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ERZV07V680CS

ERZV07V680CS

  • 厂商:

    NAIS(松下)

  • 封装:

  • 描述:

  • 数据手册
  • 价格&库存
ERZV07V680CS 数据手册
“ZNR” Transient/Surge Absorbers (Type E) “ZNR” Transient/Surge Absorbers Type : E The ZNR Type E is capable of handling larger surge energy than Type D in applications to protect electronic equipment or semiconductor devices from switching and induced lightning surges. Features ● UL and CSA recognized components ● Very large surge withstanding capability with a compact size ● Direct mounting on boards like a power distribution board available ● Fast response to steep impulse voltage ● Low clamping voltage for better surge protection ● RoHS compliant Recommended Applications ● Transistor, diode, IC, thyristor or triac semiconductor protection ● Surge protection in industrial power plant operations ● Relay or electromagnetic valve surge absorption ● Surge absorption applications in broadcasting, communications devices, traffic/railroad, agricultural facilities, waterworks ● Surge protection of automatic control devices for power distribution line Related Standards Standard No. UL1449 Title Surge Protective Devices CSA C22.2 No.269.5 Accessories and Parts for Electronic Products (Varistor for Across-The-Line use as transient protection on 120V ac nominal system) ● Each type designation is not registered by Part Number. Note : Ask our factory for Product Specification before use. ■ As for Handling Precautions and Minimum Quantity / Packing Unit Please see Related Information Explanation of Part Numbers 1 2 3 4 E R Z C Product Code 5 6 Element Size 7 8 E K Type Tolerance 9 10 11 Nominal Varistor Voltage 12 Design No. – Y General UL/CSA Recognized Dimensions in mm (not to scale) ISO M4 (Unit : mm) 4.3 24 W H L ERZC20EK□□□(Y) 48±1 42±1 39±1 ERZC32EK□□□(Y) 60±1 55±1 51±1 H 5 L W 12 Part No. ZNR Part No. Date code 14 Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. “ZNR” Transient/Surge Absorbers (Type E) 20 Series (UL and CSA Recognized) Ratings and Characteristics(ERZC20EK) ● ● Operating Temperature Range : –40 to 85 °C Storage Temperature Range : –40 to 110 °C Part No. (UL/CSA Recognized) ERZC20EK201Y ERZC20EK241Y ERZC20EK271Y ERZC20EK361Y ERZC20EK391Y ERZC20EK431Y ERZC20EK471Y ERZC20EK511Y ERZC20EK621Y ERZC20EK681Y ERZC20EK751Y ERZC20EK781Y ERZC20EK821Y ERZC20EK911Y ERZC20EK102Y ERZC20EK112Y Type Designation 20EK201U 20EK241U 20EK271U 20EK361U 20EK391U 20EK431U 20EK471U 20EK511U 20EK621U 20EK681U 20EK751U 20EK781U 20EK821U 20EK911U 20EK102U 20EK112U Varistor Voltage Maximum Allowable Voltage V1 mA (V) ACrms (V) DC (V) 200 (185 to 225) 130 170 240 (216 to 264) 150 200 270 (247 to 303) 175 225 360 (324 to 396) 230 300 390 (351 to 429) 250 320 430 (387 to 473) 275 350 470 (423 to 517) 300 385 510 (459 to 561) 320 415 620 (558 to 682) 385 505 680 (612 to 748) 420 560 750 (675 to 825) 460 615 780 (702 to 858) 485 640 820 (738 to 902) 510 670 910 (819 to 1001) 550 745 1000 (900 to 1100) 625 825 1100 (990 to 1210) 680 895 Maximum Clamping Voltage V100 A (V) 340 395 455 595 650 710 775 845 1025 1120 1240 1290 1355 1500 1650 1815 Energy (2 ms) 1 time (J) 80 95 100 120 130 140 150 150 160 175 190 200 215 240 245 250 Maximum Rated Peak Current Voltage (8/20 μs) (UL/CSA) 1 time (A) ACrms (V) 8000 118 8000 136 8000 159 8000 209 8000 227 8000 250 8000 272 8000 291 8000 350 8000 381 8000 418 8000 440 8000 463 8000 500 8000 568 8000 600 32 Series (UL and CSA Recognized) Ratings and Characteristics(ERZC32EK) ● ● Operating Temperature Range : –40 to 85 °C Storage Temperature Range : –40 to 110 °C Part No. (UL/CSA Recognized) ERZC32EK201Y ERZC32EK241Y ERZC32EK271Y ERZC32EK361Y ERZC32EK391Y ERZC32EK431Y ERZC32EK471Y ERZC32EK511Y ERZC32EK621Y ERZC32EK681Y ERZC32EK751Y ERZC32EK781Y ERZC32EK821Y ERZC32EK911Y ERZC32EK102Y ERZC32EK112Y Type Designation 32EK201U 32EK241U 32EK271U 32EK361U 32EK391U 32EK431U 32EK471U 32EK511U 32EK621U 32EK681U 32EK751U 32EK781U 32EK821U 32EK911U 32EK102U 32EK112U Varistor Voltage Maximum Allowable Voltage V1 mA (V) ACrms (V) DC (V) 200 (185 to 225) 130 170 240 (216 to 264) 150 200 270 (247 to 303) 175 225 360 (324 to 396) 230 300 390 (351 to 429) 250 320 430 (387 to 473) 275 350 470 (423 to 517) 300 385 510 (459 to 561) 320 415 620 (558 to 682) 385 505 680 (612 to 748) 420 560 750 (675 to 825) 460 615 780 (702 to 858) 485 640 820 (738 to 902) 510 670 910 (819 to 1001) 550 745 1000 (900 to 1100) 625 825 1100 (990 to 1210) 680 895 Maximum Clamping Voltage V100 A (V) 340 395 455 595 650 710 775 845 1025 1120 1240 1290 1355 1500 1650 1815 Energy (2 ms) 1 time (J) 210 240 255 325 350 400 405 405 415 450 500 520 545 600 620 640 Maximum Rated Peak Current Voltage (8/20 μs) (UL/CSA) 1 time (A) ACrms (V) 25000 118 25000 136 25000 159 25000 209 25000 227 25000 250 25000 272 25000 291 25000 350 25000 381 25000 418 25000 440 25000 463 25000 500 25000 568 25000 600 Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 04 Nov. 2018 “ZNR” Transient/Surge Absorbers (Type E) 20 Series Ratings and Characteristics(ERZC20EK) ● ● Operating Temperature Range : –40 to 85 °C Storage Temperature Range : –40 to 110 °C Part No. Varistor Voltage Maximum Allowable Voltage V1 mA (V) ACrms (V) DC (V) ERZC20EK201 200 (185 to 225) 130 170 ERZC20EK241 240 (216 to 264) 150 200 ERZC20EK271 270 (247 to 303) 175 225 ERZC20EK361 360 (324 to 396) 230 300 ERZC20EK391 390 (351 to 429) 250 320 275 350 ERZC20EK431 430 (387 to 473) ERZC20EK471 470 (423 to 517) 300 385 ERZC20EK511 510 (459 to 561) 320 415 ERZC20EK621 620 (558 to 682) 385 505 ERZC20EK681 680 (612 to 748) 420 560 ERZC20EK751 750 (675 to 825) 460 615 ERZC20EK781 780 (702 to 858) 485 640 ERZC20EK821 820 (738 to 902) 510 670 ERZC20EK911 910 (819 to 1001) 550 745 ERZC20EK102 1000 (900 to 1100) 625 825 ERZC20EK112 1100 (990 to 1210) 680 895 Maximum Clamping Voltage Rated Power Energy (2 ms) V100 A (V) 340 395 455 595 650 710 775 845 1025 1120 1240 1290 1355 1500 1650 1815 (W) 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 (J) 80 95 100 120 130 140 150 150 160 175 190 200 215 240 245 250 Maximum Clamping Voltage Rated Power Energy (2 ms) V200 A (V) 340 395 455 595 650 710 775 845 1025 1120 1240 1290 1355 1500 1650 1815 (W) 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 (J) 210 240 255 325 350 400 405 405 415 450 500 520 545 600 620 640 Maximum Typical Peak Current Capacitance (8/20 μs) (Reference) 1 time 2 times (A) (A) at 1kHz (pF) 8000 5000 2300 8000 5000 1500 8000 5000 1400 8000 5000 1300 8000 5000 1200 8000 5000 1000 8000 5000 950 8000 5000 930 8000 5000 900 8000 5000 850 8000 5000 800 8000 5000 800 8000 5000 700 8000 5000 700 8000 5000 400 8000 5000 350 32 Series Ratings and Characteristics(ERZC32EK) ● ● Operating Temperature Range : –40 to 85 °C Storage Temperature Range : –40 to 110 °C Part No. ERZC32EK201 ERZC32EK241 ERZC32EK271 ERZC32EK361 ERZC32EK391 ERZC32EK431 ERZC32EK471 ERZC32EK511 ERZC32EK621 ERZC32EK681 ERZC32EK751 ERZC32EK781 ERZC32EK821 ERZC32EK911 ERZC32EK102 ERZC32EK112 Varistor Voltage Maximum Allowable Voltage V1 mA (V) ACrms (V) DC (V) 200 (185 to 225) 130 170 240 (216 to 264) 150 200 270 (247 to 303) 175 225 360 (324 to 396) 230 300 390 (351 to 429) 250 320 430 (387 to 473) 275 350 470 (423 to 517) 300 385 510 (459 to 561) 320 415 620 (558 to 682) 385 505 680 (612 to 748) 420 560 750 (675 to 825) 460 615 780 (702 to 858) 485 640 820 (738 to 902) 510 670 910 (819 to 1001) 550 745 1000 (900 to 1100) 625 825 1100 (990 to 1210) 680 895 Maximum Typical Peak Current Capacitance (8/20 μs) (Reference) 1 time 2 times (A) (A) at 1kHz (pF) 25000 20000 5500 25000 20000 5000 25000 20000 4200 25000 20000 3500 25000 20000 3000 25000 20000 2500 25000 20000 2500 25000 20000 2400 25000 20000 2200 25000 20000 2100 25000 20000 2000 25000 20000 1900 25000 20000 1800 25000 20000 1700 25000 20000 1000 25000 20000 800 Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 04 Nov. 2018 “ZNR” Transient/Surge Absorbers (Type E) Typical Characteristics(Type E) Voltage vs. Current (ERZC20EK201(Y) to ERZC20EK511(Y)) Max. Leakage Current Max. Clamping Voltage 2000 1000 900 800 700 600 ) 91(Y EK3 ) C20 31(Y 4 ERZ K E ) C20 71(Y ERZ EK4 C20 ) Y ( ERZ 511 0EK ZC2 ER 500 Voltage (V) ERZC20EK511(Y) ERZC20EK471(Y) ERZC20EK431(Y) ERZC20EK391(Y) ERZC20EK361(Y) ERZC20EK271(Y) ERZC20EK241(Y) 400 300 ERZC20EK201(Y) ) (Y) 1(Y 271 K36 20EK 20EERZC Y) 41( ) EK2 C20 201(Y Z R E 0EK ZC2 R E ZC ER 200 100 90 80 70 60 Test Current Waveform 10-6 to 10-3 A: Direct Current 10-1 to 104 A: 8/20 μs 50 40 30 10-6 (ERZC20EK621(Y) to ERZC20EK112(Y)) 10-5 10-4 10-3 10-2 10-1 100 Current (A) Max. Leakage Current 101 102 103 104 105 Max. Clamping Voltage 4000 ERZC20EK112(Y) ERZC20EK102(Y) ERZC20EK911(Y) ERZC20EK821(Y) ERZC20EK781(Y) ERZC20EK751(Y) ERZC20EK681(Y) 3000 Voltage (V) 2000 ERZC20EK621(Y) ) 1(Y K82 20E 81(Y) ZC 7 R K E 20E 51(Y) ZC K7 ER ) 20E 1(Y ZC R E K68 E 0 ) C2 Y Z ( 2 ER ) K11 20E 102(Y ZC K ER 0E 2 Y) ( ZC 11 K9 ER 0E C2 Z ER 1000 900 800 700 600 500 C RZ Y) 21( K6 20E 400 E 300 Test Current Waveform 10-6 to 10-3 A: Direct Current 10-1 to 104 A: 8/20 μs 200 10-6 10-5 10-4 10-3 10-2 10-1 100 Current (A) 101 102 103 104 105 Impulse Derating Curve (Relation between impulse width and surge, repetitively) (ERZC20EK201(Y) to ERZC20EK271(Y)) 10000 8000 6000 1000 800 600 400 200 100 80 60 40 20 Ti m 2 e Ti m 10 es T 10 2ime s Ti m 10 3 es Ti 10 4 mes Tim es 10 5 T 10 6 imes Tim es Impulse Current (A) Impulse Current (A) 2000 1000 800 600 400 200 100 80 60 40 20 (ERZC20EK751(Y) to ERZC20EK112(Y)) 10000 8000 6000 2 times : 5 minutes to 10 times : 2 minutes 6 to 10 times : 10 seconds 4000 2000 1 20 Series (ERZC20EK361(Y) to ERZC20EK681(Y)) 10000 8000 6000 2 times : 5 minutes to 10 times : 2 minutes 6 to 10 times : 10 seconds 4000 20 Series 1 2000 Ti m 10 2 Ti Ti e m m es es 10 2 Ti m 10 3 es Ti m es 10 4 Tim es 10 5 Ti 10 6 mes Tim es 1000 800 600 400 200 100 80 60 40 20 10 8 6 4 10 8 6 4 2 2 2 1 1 10 8 6 4 20 100 1000 Impulse Width (μs) 10000 20 2 times : 5 minutes to 10 times : 2 minutes 6 to 10 times : 10 seconds 4000 Impulse Current (A) 20 Series 2 1 Ti Ti m m 10 es Ti e m es 10 2 10 3 Tim e s T 10 4 ime Tim s 10 5 es 10 6 Tim e Tim s es 1 100 1000 Impulse Width (μs) 10000 20 100 1000 Impulse Width (μs) 10000 Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 04 Nov. 2018 “ZNR” Transient/Surge Absorbers (Type E) Typical Characteristics(Type E) Voltage vs. Current (ERZC32EK201(Y) to ERZC32EK511(Y)) Max. Leakage Current Max. Clamping Voltage ERZC32EK511(Y) ERZC32EK471(Y) ERZC32EK431(Y) ERZC32EK391(Y) ERZC32EK361(Y) 2000 1000 900 800 700 600 500 Voltage (V) ERZC32EK271(Y) ERZC32EK241(Y) ERZC32EK201(Y) Y) 71( K4 Y) 2E 31( C3 4 Z ER 32EK 1(Y) 39 ZC ER 32EK ZC Y) ER 11( K5 32E C Z ER ) 1(Y 36 Y) EK 32 271( C K Z ER C32E Y) Z 41( ER K2 Y) E 2 ( C3 K201 Z ER 32E ZC ER 400 300 200 100 90 80 70 60 50 Test Current Waveform 10-6 to 10-3 A: Direct Current 10-1 to 104 A: 8/20 μs 40 30 10-6 (ERZC32EK621(Y) to ERZC32EK112(Y)) 10-5 10-4 10-3 10-2 10-1 100 Current (A) Max. Leakage Current 4000 101 102 103 104 ERZC32EK112(Y) ERZC32EK102(Y) ERZC32EK911(Y) ERZC32EK821(Y) ERZC32EK781(Y) ERZC32EK751(Y) ERZC32EK681(Y) ERZC32EK621(Y) Max. Clamping Voltage 3000 Voltage (V) 2000 105 ) 2(Y 11 ) EK 2(Y 32 K10 Y) C Z E 1( ER C32 K91 Z E ER C32 Z ) ER 1(Y 78 ) EK 51(Y 2 ) 3 7 ZC EK 1(Y ER C32 K68 Z E ) ER C32 Z 1(Y 82 ER EK 2 3 ZC ER ) 1(Y 62 EK 2 3 ZC ER 1000 900 800 700 600 500 400 300 Test Current Waveform 10-6 to 10-3 A: Direct Current 10-1 to 104 A: 8/20 μs 200 10-6 10-5 10-4 10-3 10-2 10-1 100 Current (A) 101 103 102 104 105 Impulse Derating Curve (Relation between impulse width and surge, repetitively) 32 Series 32 Series 2 times : 5 minutes to 10 times : 2 minutes 6 to 10 times : 10 seconds 20000 10000 8000 6000 e 10 s 2000 Ti m 40 20 es 10 2 Tim 10 3 es Tim es 10 4 10 5 10 6 2 Ti 1 m e Tim es Tim 1000 800 600 400 200 100 80 60 es 40 es 20 es 4000 Ti 10 e 2000 m 1000 800 600 Ti es 10 2 Tim 10 3 es Tim es 10 4 10 5 10 6 Tim 2 m Tim Tim es 400 Tim 10 8 6 4 4 4 2 2 10000 20 m Ti es m es 10 4 10 8 6 100 1000 Impulse Width (μs) 1 10 2 0 T i 10 3 10 8 6 20 es 100 80 60 20 es m 200 40 es Ti e Impulse Current (A) m 200 100 80 60 4000 Ti m 10000 8000 6000 m 400 10000 8000 6000 2 times : 5 minutes to 10 times : 2 minutes 6 to 10 times : 10 seconds 20000 Ti 1000 800 600 Ti (ERZC32EK751(Y) to ERZC32EK112(Y)) 1 2000 1 2 32 Series 2 times : 5 minutes to 10 times : 2 minutes 6 to 10 times : 10 seconds 20000 Impulse Current (A) 4000 (ERZC32EK361(Y) to ERZC32EK681(Y)) Impulse Current (A) (ERZC32EK201(Y) to ERZC32EK271(Y)) Tim 10 5 10 6 es Tim es es Tim Tim es 2 100 1000 Impulse Width (μs) 10000 20 100 1000 Impulse Width (μs) 10000 Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 04 Nov. 2018 “ZNR” Transient/Surge Absorbers (Type E) Performance Characteristicsv (Type E) Electrical Characteristics Test Methods/Description Specifications Standard Test Condition Electrical characteristics shall be measured at following conditions (Temperature: 5 to 35 °C,Humidity: Max. 85 %) ——— Varistor Voltage The voltage between two terminals with the specified measuring current CmA DC applied is called Vc or VCmA. The measurement shall be made as fast as possible to avoid heat affection. Maximum Allowable Voltage The maximum sinusoidal wave voltage (rms) or the maximum DC voltage that can be applied continuously. Clamping Voltage The maximum voltage between two terminals with the specified standard impulse current (8/20 μs). Rated Power The maximum power that can be applied within the specified To meet the ambient temperature. specified value. Energy The maximum energy within the varistor voltage change of ±10 % when one impulse of 2 ms is applied. Maximum Peak Current The maximum current within the varistor voltage change of ±10 % 2 times with the standard impulse current (8/20 μs) applied two times with an interval of 5 minutes. 1 time Temperature Coefficient of Varistor Voltage Impulse Life The maximum current within the varistor voltage change of ±10 % with the standard impulse current (8/20 μs) applied one time. VC at 70 °C – VC at 20 °C 1 × × 100 (%/°C) 50 VC at 20 °C 0 to –0.05 %/°C max. The change of Vc shall be measured after the impulse listed below is applied 10000 times continuously with the interval of ten seconds at room temperature. ΔV1 mA /V1 mA < ±10 % 20 Series 32 Series 200 A (8/20 μs) 300 A (8/20 μs) Mechanical Withstanding Voltage The commercial frequency voltage of AC 2.5 kV shall be applied No remarkable between terminals and the bottom of the unit for one minute. damage (Body Insulation) Robustness of Terminations (Tensile) After gradually applying the load of 49 N (5 kgf) and keeping the unit fixed for 10 seconds in an axial direction, the terminal shall be visually examined for any damage. Vibration After repeadly applying a single harmonic vibration (amplitude: No remarkable 0.75 mm): double amplitude: 1.5 mm with 1 minute vibration damage frequency cycles (10 Hz to 55 Hz to 10 Hz) to each of three perpendicular directions for 2 hours. Thereafter, the damage of the terminals is visually examined. Environmental Dry Heat/ High Temperature Storage The specimen shall be subjected to 110±3 °C for 500 hours in a thermostatic bath without load and then stored at room temperature and humidity for one to two hours. Thereafter, the change of Vc shall be measured. Step 1 2 3 4 Temperature (°C) –25 –30 Room Temp. 85+30 Room Temp. Period (minutes) 30+30 3 max. 30+30 3 max. ΔV1 mA /V1 mA < ±5 % Temperature Cycle The temperature cycle shown below shall be repeated five No remarkable times and then stored at room temperature and humidity for damage one to two hours. The change of Vc and mechanical damage ΔV1 mA 1 mA /V < ±5 % shall be examined. Dry Heat Load/ High Temperature Load After being continuously applied the Maximum Allowable Voltage at 85±5 °C for 500 hours, the specimen shall be stored at room ΔV1 mA /V1 mA ±10 % < temperature and humidity for one to two hours. Thereafter, the change of Vc shall be measured. The specimen shall be subjected to 40±2 °C, 90 to 95 %RH for Damp Heat/Humidity 1000 hours without load and then stored at room temperature ΔV1 mA /V1 mA ±5 % < (Steady State) and humidity for one to two hours. Thereafter, the change of Vc shall be measured. Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. 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The precautions for this product are described below, understand the content thoroughly before usage. For more questions, contact us. If there's any uncertainty/doubt/products safety items, please contact us. When a dogma shall be occurred about safety for this products, be sure to inform us rapidly, operate your technical examination. 1. Operating Conditions precautions to be strictly observed 1.1 Confirmation of performance ratings Use the ZNR within its rated range of performance such as the Max. allowable voltage, withstanding surge current, withstanding energy, impulse life(surge life), average pulse power, and operating temperature range. If used outside the range, the ZNR can be degrade and have element fracture, which may result in smoking and ignition. 1.2 To avoid accidents due to unexpected phenomena, take the following measures 1) Across-the-line use When the ZNR is used across a line, put a current fuse in series with the ZNR (Refer to Table 1). 2) Use between line to ground (1) If the case that the ZNR is used between a line to the ground, the short-circuit of the ZNR may not blow the current fuse because of grounding resistance, which may cause smoking and ignition of the ZNR’s exterior resin. As the measure against it, install an earth leakage breaker on the power supply side of the ZNR position. If no earth leakage breaker is installed, use a thermal fuse together wth a current fuse in series. (Refer to Table 1.) (2) If the case that the ZNR is used between a live part to metal case, an electric shock may develop at a shortcircuit of the ZNR ; hence, ground the metal case to the ground or keep it from the human body. 3) In the event of fracture of the ZNR, its pieces may scatter ; hence, put the case or cover of the set product in place. 4) Do not install the ZNR near combustible substances(polyvinyl chloride wires, resin moldings, etc.). If it is difficult to do, install a nonflammable cover. 1.3 The live part shall be equipped with a protective cover for preventing electric shock. 1.4 If ZNR is shorted out and happen smoke or ignition, please cut provided current to ZNR immediately. ● Recommendation fuse Series ERZC20EK□□□ ERZC32□K□□□ ERZVS34C□□□ ERZC40CK□□□ Current Fuse 10 A max. 20 A max. 20 A max. 20 A max. ( Line - Line ) Thermal. Fuse 100 to 120 °C 5 A 100 to 120 °C 10 A 100 to 120 °C 10 A 100 to 120 °C 10 A ( Line - Ground ) ◆ Fuses shall use rated voltages ap pro pri ate for circuits. ◆ Finally, confi rm that the secondary disaster does not occur even if the ZNR mounted on equipment breaks. ◆ Set a thermal fuse to get high thermal conductivity with ZNR. 2. Application notes 2.1 Pay attention to the following items to avoid the shortened life and failure of the ZNR 1) Circuit conditions (1) Select a ZNR of which the maximum voltage including fluctuations in source voltage allows for the maximum permissible circuit voltage. 01. Oct. 2019 “ZNR” Transient/Surge Absorbers (2) In cases that surges are intermittently applied at short intervals (for example, in the case that the voltage of the noise simulator test is impressed), do not cause them to exceed the ZNR's rated pulse power. (3) Select a ZNR recommended in Table 1. ①Across-the-Line Use Because the primary line voltage temporarily rises due to load unbalance of separately wired loads, short circuit between the live line and the neutral line or LC resonance at switching for a capacitate load, ZNR with * are recommended for AC100V or AC120V applications. ②Line to ground Use ・When DC500V insulation resistance test of the circuits employing ZNR is conducted, the ZNR shall be  removed after getting approval from the customer, or the ZNR ** with the Maximum Allowable voltage  exceeding to the test voltage shall be applied. ・When AC1000V dielectric with standing test is conducted, ZNR shall be removed after getting approval from the customer according to the relevant regulations, or the ZNR *** with the Maximum Allowable  voltage exceeding to the test voltage shall be applied. 2) Operating environments (1) The ZNR is designed and manufactured for application in general purpose electronic devices. The ZNR shall not be exposed to the weather, except for usage inside unit. (2) Do not use the ZNR in places exposed to temperatures beyond the operating temperature range, such as places exposed to sunlight and vicinities of heating equipment. (3) Do not use the ZNR in places exposed to high temperatures and high humidity, such as places exposed directly to rain, wind, dew condensation, and vapor. (4) Do not use the ZNR in dusty and salinity environment and atmospheres polluted by corrosive gases, in liquids such as water, oil, chemical, organic solvent. 3) Processing conditions (1) Do not wash the ZNR by such solvents(thinner, acetone, etc.) as its exterior resin deteriorates. (2) Do not apply a strong vibration or shock (by falling, etc.) to the ZNR, cracking to its exterior resin and element may occur. (3) When coating the ZNR with resin(including molding), do not use such resin. (4) Do not bend the ZNR lead wires at the position close to its ZNR exterior resin, or apply external force to the position. (5) When soldering the ZNR lead wires, follow the recommended condition and do not melt the solder and insulating materials constituting the ZNR. (6) Keep the wiring of the ZNR as short and straight as possible. 4)  Long-term storage (1) Do not store the ZNR under high temperature and high humidity. Store it indoor environment at a temperature up to 40 °C and at humidity below 75 %RH, and use it within two years. Before using the ZNR that has been stored for a long period(two years or longer), confirm the solderability. (2) Avoid atmospheres full of corrosive gases (hydrogen sulfide, sulfurous acid, chlorine, ammonia, etc.). (3) Avoid direct sunlight and dew condensation. 2.2 The recommended fuse position is shown in Table.1, "Example of ZNR application", however, if the load current of protected equipment is larger than that of the above recommended fuse rated current, install a current fuse at the position shown below. Current Fuse Power Source Side ZNR Protected Equipment 01. Oct. 2019 “ZNR” Transient/Surge Absorbers 3.  Notices 3.1 In cases that the ZNR is used in equipment (aerospace equipment, medical equipment, etc.) requiring extremely high reliability, ask us for selection of part No., and protection coordination, etc. in advance. 3.2 There is possibility that the ZNR will unexpectedly smoke or ignite because of abnormal rise of the circuit voltage and invasion of excessive surge. To prevent that accident from spreading over the equipment and not to expand the damage, use multiplex protection such as the adoption of frame-retardant materials for  housing parts and structural parts. 3.3. We don’t bear any responsibility for product malfunction or abnormal conditions which caused by using  beyond the descriptions in this product specification. 3.4 Package marking includes the product number, quantity, and country of origin. As a rule, country of origin  should be indicated in English. 4. Applicable laws and regulations , others 4.1 This product not been manufactured with any ozone depleting chemical controlled under the Montreal Protocol. 4.1  Specified brominated flame retardants (including PBB (polybromobiphenyl) and PBDE (polybromodiphenyl ether)) are not intentionally used in the components of this product. 4.3 This product comply with RoHS(Restriction of the use of certain Hazardous Substance in electrical and electronic equipment) (DIRECTIVE 2011/65/EU and 2015/863/EU). 4.4 All the materials used in this part are registered material under the Law Concerning the Examination and Regulationof Manufacture, etc. of Chemical Substance. 4.5 If you need the notice by letter of “A preliminary judgement on the Laws of Japan foreign exchange and Foreign Trade Control”, be sure to let us know. 4.6 These products are not dangerous goods on the transportation as identified by UN(United nations) numbers or UN classification. 5. Others 5.1 As to the disposal of ZNR, check the method of disposal in each country or origin where the ZNR are incorporated in your products to be used. 5.2 The technical information in this specification provides example of our products’ typical operations and application circuit. We do not guarantee the non-infringement of third party’s intellectual property rights and we do not grant any license, right or interest in our intellectual property. 01. Oct. 2019 “ZNR” Transient/Surge Absorbers Table 1 Example of ZNR application Across-the-Line/Line to Line Protection DC/AC Single-phase f Line to Line and Line to Ground Protection DC/AC Single-phase f ZNR1 ZNR1 Protected Equipmen Protected Connections example Equipmen ZNR2 Thermal coupling Thermal Fuse f : fuse AC 3-phase f : fuse AC 3-phase f f ZNR3 ZNR3 Protected Protected Equipment Equipmen ZNR4 Thermal coupling f : fuse Selection Examples ZNR ZNR 1 ZNR 3 Across the Line Use/Line to Line Nominal Part Number of ZNR Type E, CK, SC Line Voltage 201 AC 100 V 241 271 AC 120 V AC 200 V ~ AC 220 V AC 240 V ERZC□□EK ERZC□□CK ERZVS34C f : fuse ZNR 471 Line to Ground Use Nominal Part Number of ZNR Type E, CK, SC Line Voltage 471 511 821 and more ** AC 100 V ~ AC 220 V 241 271* Thermal Fuse ERZC□□EK ERZC□□CK ERZVS34C ZNR 2 ZNR 4 AC 240 V 511 821 and more ** 511 01. Oct. 2019
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