20D561K

Metal Oxide Varistors 20D Series Features l Wide operating voltage (V1mA) range from 18V to 1800V l Fast responding to transient over-voltage. l Large absorbing transient energy capability. l Low clamping ratio and no following-on current. General Information l Surge protection in consumer electronics General Characteristics l Surge protection in industrial electronics l Relay and electromagnetic valve surge absorption l Body: Nickel Plated l Transistor, diode, IC, thyristor or triac semiconductor l Devices with No Leads: Nickel Plated l Operating Temperature: -40ºC to +85ºC protection l Storage Temperature: -40 ºC to +125ºC l Surge protection in electronic home appliances, gas l Axial Devices: Tin Plated and petroleum appliances Part Number Code 2 0 Element Diameter D Type 4 7 1 K Surge Series Nominal Varistor Voltage D:Disk J 1 No Suffix:Standard Type 471=47*10 V Varistor Voltage Tolerance J:High Surge Type K = ±10 % Specifications are subject to change without notice. Please refer to http://www.ruilon.com.cn for current information. Revised: 2018-07-17 Page:1 Metal Oxide Varistors 20D Series Electrical Characteristics Type Number Varistor Voltage Max. Allowable Voltage Max. Energy (2ms) VAC(V) VDC(V) (J) (J) Standard High Surge Standard High Surge V1mA(V) 20D180K / 16~20 11 14 5.4 20D220K / 20~24 14 18 20D270K / 24~30 17 20D330K / 30~36 20 20D390K / 35~43 20D470K / 20D560K Max. Clamping Voltage （8/20μs） Withstanding Surge Current（8/20μs） I(A) I(A) Standard High Surge IP(A) VC(V) / 25 38 2000 6.6 / 25 43 22 8.1 / 25 26 9.9 / 25 25 31 11.7 / 42~52 30 38 14.1 / 50~62 35 45 20D680K / 61~75 40 20D820K 20D820KJ 74~90 20D101K 20D101KJ 20D121K Typical Rated Capacitance Power (Reference) (W) @1KHz(pf) / 0.2 39000 2000 / 0.2 32000 53 2000 / 0.2 22000 65 2000 / 0.2 18000 25 77 2000 / 0.2 16000 / 25 93 2000 / 0.2 14000 16.8 / 25 110 2000 / 0.2 12000 56 20.4 / 25 135 2000 / 0.2 10000 50 65 24.6 30.8 100 135 6500 10000 1.0 5800 90~110 60 85 30.0 37.5 100 165 6500 10000 1.0 4800 20D121KJ 108~132 75 100 36.0 45.0 100 200 6500 10000 1.0 3800 20D151K 20D151KJ 135~165 95 125 45.0 56.3 100 250 6500 10000 1.0 3000 20D181K 20D181KJ 162~198 115 150 54.0 67.5 100 300 6500 10000 1.0 2600 20D201K 20D201KJ 185~225 130 170 60.0 75.0 100 340 6500 10000 1.0 2400 20D221K 20D221KJ 198~242 140 180 66.0 82.5 100 360 6500 10000 1.0 1800 20D241K 20D241KJ 216~264 150 200 72.0 90.0 100 395 6500 10000 1.0 1500 20D271K 20D271KJ 243~297 175 225 81.0 101.3 100 455 6500 10000 1.0 1400 20D301K 20D301KJ 270~330 195 250 90.0 112.5 100 505 6500 10000 1.0 1350 20D331K 20D331KJ 297~363 210 275 99.0 123.8 100 550 6500 10000 1.0 1300 20D361K 20D361KJ 324~396 230 300 108.0 135.0 100 595 6500 10000 1.0 1250 20D391K 20D391KJ 351~429 250 320 117.0 146.3 100 650 6500 10000 1.0 1180 20D431K 20D431KJ 387~473 275 350 129.0 161.3 100 710 6500 10000 1.0 1100 20D471K 20D471KJ 423~517 300 385 141.0 176.3 100 775 6500 10000 1.0 1050 20D511K 20D511KJ 459~561 320 418 153.0 191.3 100 842 6500 10000 1.0 1000 20D561K 20D561KJ 504~616 350 460 168.0 210.0 100 920 6500 10000 1.0 970 20D621K 20D621KJ 558~682 385 505 186.0 232.5 100 1025 6500 10000 1.0 950 20D681K 20D681KJ 612~748 420 560 186.0 232.5 100 1120 6500 10000 1.0 900 20D751K 20D751KJ 675~825 460 615 186.0 232.5 100 1240 6500 10000 1.0 850 20D781K 20D781KJ 702~858 485 640 187.2 234.0 100 1290 6500 10000 1.0 750 20D821K 20D821KJ 738~902 510 670 196.8 246.0 100 1355 6500 10000 1.0 700 20D911K 20D911KJ 819~1001 550 745 218.4 273.0 100 1500 6500 10000 1.0 600 20D951K 20D951KJ 855~1045 580 780 228.0 285.0 100 1570 6500 10000 1.0 580 20D102K 20D102KJ 900~1100 625 825 240.0 300.0 100 1650 6500 10000 1.0 500 20D112K 20D112KJ 990~1210 680 895 264.0 330.0 100 1815 6500 10000 1.0 450 20D122K 20D122KJ 1080~1320 740 975 288 360 100 2010 6500 10000 1.0 440 20D152K 20D152KJ 1350~1650 900 1220 359.0 449.0 100 2475 6500 10000 1.0 400 20D182K 20D182KJ 1620~1980 1000 1465 432.0 540.0 100 2970 6500 10000 1.0 220 Note: The energy (10/1000μs) is about 1.4 times of energy(2ms) Specifications are subject to change without notice. Please refer to http://www.ruilon.com.cn for current information. Revised: 2018-07-17 Page:2 Metal Oxide Varistors 20D Series Electrical Ratings 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. 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 C O1 T t 30% max. T1 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. Surge Life 180K to 680K 100A (8/20μs) 820K to 182K 200A (8/20μs) 20Φ series Specifications are subject to change without notice. Please refer to http://www.ruilon.com.cn for current information. Revised: 2018-07-17 ΔVb ≤ ±10% Vb Page:3 Metal Oxide Varistors 20D Series Soldering Recommendation Wave Lead Free Soldering Recommendation Item Conditions Peak Temperature 265ºC Dipping Time 10 seconds (max.) Soldering 1 time 300 Maximum Wave 265°C Preheating Soldering Cooling Temperature(°C) 250 200 150 100 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 Millimeter Inches H(max) 26.0 1.024 L(min) 15.0 0.591 D(max) 23.0 0.906 D1(±1.0) 10.0 0.394 T(max) TABLE 2 d(±0.1) 1.0 0.039 Packaging Quantity: 250pcs/bag TABLE 2---T(max.) Model Millimeters Inches Model Millimeters Inches 180K~390K 8.5 0.335 431K~561K 11.0 0.433 470K~680K 9.0 0.354 621K~781K 11.5 0.453 820K~151K 9.5 0.374 821K~122K 12.0 0.472 181K~271K 10.0 0.394 152K 12.5 0.492 331K~391K 10.5 0.413 182K 13.0 0.512 Specifications are subject to change without notice. Please refer to http://www.ruilon.com.cn for current information. Revised: 2018-07-17 Page:4