7D431K

Metal Oxide Varistors 7D Series Features  Wide operating voltage (V1mA) range from 18V to 820V  Fast responding to transient over-voltage.  Large absorbing transient energy capability.  Low clamping ratio and no following-on current. General Information  Surge protection in consumer electronics  Surge protection in industrial electronics  Relay and electromagnetic valve surge absorption General Characteristics  Transistor, diode, IC, thyristor or triac semiconductor protection  Body: Nickel Plated  Surge protection in electronic home appliances, gas  Devices with No Leads: Nickel Plated and petroleum appliances  Operating Temperature: -40ºC to +85ºC  Agency: CUL( E479668),CQC(22001337353),  Storage Temperature: -40 ºC to +125ºC TUV(J50541477) Part Number Code 7 Element Diameter D 4 7 1 K J Type Nominal Varistor Voltage Surge Series D:Disk 471=47*101V No Suffix:Standard Type Varistor Voltage Tolerance J:High Surge Type K = ±10 % Agency Information Agency Information Agency File Number CUL E479668 CQC 22001337353 TUV J50541477 Specifications are subject to change without notice. Please refer to http://www.ruilon.com.cn for current information. REVISED: 2022-05-27 Version: A1 Page 1 of 5 Metal Oxide Varistors 7D Series Electrical Characteristics Type Number Varistor Voltage Max. Allowable Voltage Max. Energy (10/1000μs) VAC(V) VDC(V) (J) (J) Standard High Surge Max. Clamping Voltage （8/20μs） Withstanding Surge Current（8/20μs） Typical Rated Capacitance Power (Reference) IP(A) VC(V) I(A) Standard I(A) High Surge (W) @1KHz(pf) / 2.5 38 250 / 0.02 3500 1.7 / 2.5 43 250 / 0.02 2800 22 2.0 / 2.5 53 250 / 0.02 2200 20 26 2.4 / 2.5 65 250 / 0.02 1800 35.2~44.8 25 31 2.8 / 2.5 77 250 / 0.02 1450 / 43~53 30 38 3.5 / 2.5 93 250 / 0.02 1150 7D560K / 51~63 35 45 4.1 / 2.5 110 250 / 0.02 1050 7D680K / 62~76 40 56 5.0 / 2.5 135 250 / 0.02 970 7D820K 7D820KJ 74~90 50 65 6.0 8.4 10 135 1200 1750 0.25 930 7D101K 7D101KJ 90~110 60 85 7.4 10 10 165 1200 1750 0.25 860 7D121K 7D121KJ 108~132 75 100 8.0 12 10 200 1200 1750 0.25 670 7D151K 7D151KJ 135~165 95 125 10 15 10 250 1200 1750 0.25 490 7D181K 7D181KJ 162~198 115 150 12 19 10 300 1200 1750 0.25 330 7D201K 7D201KJ 180~220 130 170 14 21 10 340 1200 1750 0.25 240 7D221K 7D221KJ 198~242 140 180 15 23 10 360 1200 1750 0.25 190 7D241K 7D241KJ 216~264 150 200 16 25 10 395 1200 1750 0.25 165 7D271K 7D271KJ 243~297 175 225 19 28 10 455 1200 1750 0.25 150 7D301K 7D301KJ 270~330 195 250 22 32 10 505 1200 1750 0.25 135 7D331K 7D331KJ 297~363 210 275 24 34 10 550 1200 1750 0.25 130 7D361K 7D361KJ 324~396 230 300 26 37 10 595 1200 1750 0.25 125 7D391K 7D391KJ 351~429 250 320 26 40 10 650 1200 1750 0.25 105 7D431K 7D431KJ 387~473 275 350 29 46 10 710 1200 1750 0.25 100 7D471K 7D471KJ 423~517 300 385 31 49 10 775 1200 1750 0.25 90 7D511K 7D511KJ 459~561 320 418 34 54 10 842 1200 1750 0.25 80 7D561K 7D561KJ 504~616 350 460 34 55 10 920 1200 1750 0.25 75 7D621K 7D621KJ 558~682 385 505 36 59 10 1025 1200 1750 0.25 70 7D681K 7D681KJ 612~748 420 560 36 62 10 1120 1200 1750 0.25 65 7D751K 7D751KJ 675~825 460 615 39 66 10 1240 1200 1750 0.25 61 7D781K 7D781KJ 702~858 485 640 41 68 10 1290 1200 1750 0.25 54 7D821K 7D821KJ 738~902 510 670 43 71 10 1355 1200 1750 0.25 48 Standard High Surge V1mA(V) 7D180K / 15~22 11 14 1.3 7D220K / 20~26 14 18 7D270K / 24.3~31.1 17 7D330K / 29.7~37.9 7D390K / 7D470K Specifications are subject to change without notice. Please refer to http://www.ruilon.com.cn for current information. REVISED: 2022-05-27 Version: A1 Page 2 of 5 Metal Oxide Varistors 7D Series Items Test Condition/Description Requirement Varistor Voltage The voltage between two terminals with the specified measuring current 1mA.DC applied is called Vb. Maximum Allowable Voltage The recommended maximum sine wave voltage (RMS) or the Maximum DC voltage can be applied continuously. Electrical Ratings The maximum voltage between two terminals with the specification standard impulse current. Applied waveform: 8/20μs I 1.0 0.9 Maximum Clamping Voltage B 0.5 To meet the Specified value T2 0.1 0.0 O1 C T t T1 30% max. T1=1.25*T=8μs±20% T2=20μs±20% Rated Wattage The maximum average power that can be applied within the specified ambient temperature. Energy The maximum energy within the varistor voltage change of ±10% when one impulse of 10/1000μs or 2ms is applied. Withstanding Surge Current The maximum current within the varistor voltage change of ±10% with the standard impulse current (8/20μs) applied one time. The change of Vb shall be measured after the impulse listed below which is applied 10,000 times continuously with the interval of ten seconds at room temperature. 7Φ series 180K to 680K 15A (8/20μs) 820K to821K 50A (8/20μs) ΔVb ≤ ± 10% Vb Surge Life Specifications are subject to change without notice. Please refer to http://www.ruilon.com.cn for current information. REVISED: 2022-05-27 Version: A1 Page 3 of 5 Metal Oxide Varistors 7D Series Soldering Recommendation Wave Lead Free Soldering Recommendation 300 Preheating Temperature(°C) 250 Soldering Maximum Wave 265°C Cooling Item Conditions Peak Temperature 265ºC Dipping Time 10 seconds (max.) Soldering 1 time 200 150 100 50 0 0 0.5 1 1.5 2 2.5 Time(minutes) 3 3.5 4 Recommendation Reworking Conditions with Soldering Iron Item Conditions Temperature of Soldering Iron-tip 360ºC (max.) Soldering Time 3 seconds (max.) Distance from Varistor 2mm (min.) Dimensions TABLE 1 Symbol Millimeters Inches H(max.) 12.0 0.472 L(min.) 15.0 0.591 D(max.) 9.0 0.354 D1(±1.0) 5.0 0.197 K(max.) 2.0 0.079 T(max.) TABLE 2 d(±0.1) 0.6 0.024 Packaging Quantity: 1000pcs/bag TABLE 2---T(max.) Model Millimeters Inches Model Millimeters Inches 18V~39V 3.9 0.154 330V~390V 4.9 0.193 47V~68V 4.4 0.173 430V~560V 5.7 0.224 82V~150V 3.9 0.154 620V~780V 6.5 0.256 180V~270V 4.3 0.169 820V 6.8 0.268 Specifications are subject to change without notice. Please refer to http://www.ruilon.com.cn for current information. REVISED: 2022-05-27 Version: A1 Page 4 of 5 Metal Oxide Varistors 7D Series 编带包装数量 Taping Packaging Quantity 系列 Series 压敏电压 Varstor Voltage 数量（K）/内盒 QTY(k)/Lnner Box 数量（K)/箱 QTY(k)/Carton 180K～471K 1.5 15 511K～821K 1 10 7D Specifications are subject to change without notice. Please refer to http://www.ruilon.com.cn for current information. REVISED: 2022-05-27 Version: A1 Page 5 of 5