The 40D varistor large current series produced by Ruilongyuan Electronics is a semiconductor voltage-limiting surge device made of zinc monoxide as a raw material at high temperature. It is widely used for its excellent nonlinear characteristics and strong surge absorption capacity. Used in electronic circuits for overvoltage protection, voltage range: 240～1600V, can withstand 40kA surge energy.
| Type Number | VaristorVoltage | Max. AllowableVoltage | Max. Energy(10/1000μs) |
Max. ClampingVoltage (8/20μs) |
Withstanding Surge Current |
||
|---|---|---|---|---|---|---|---|
| V1mA(V) | VAC(V) | VDC(V) | (J) | IP(A) | VC(V) | I(A) | |
| 40D241K | 216~264 | 150 | 200 | 480 | 300 | 395 | 40000 |
| 40D391K | 351~429 | 250 | 320 | 830 | 300 | 650 | 40000 |
| 40D431K | 410~496 | 275 | 350 | 645 | 300 | 710 | 40000 |
| 40D471K | 423~517 | 300 | 385 | 1000 | 300 | 775 | 40000 |
| 40D511K | 459~561 | 320 | 415 | 1060 | 300 | 845 | 40000 |
| 40D681K | 612~748 | 420 | 560 | 1250 | 300 | 1120 | 40000 |
| 40D781K | 702~858 | 485 | 640 | 1350 | 300 | 1290 | 40000 |
| 40D821K | 738~902 | 510 | 670 | 1395 | 300 | 1355 | 40000 |
| 40D911K | 819~1001 | 550 | 745 | 1475 | 300 | 1500 | 40000 |
| 40D102K | 900~1100 | 625 | 825 | 1550 | 300 | 1650 | 40000 |
| 40D112K | 990~1210 | 680 | 895 | 1700 | 300 | 1815 | 40000 |
| 40D122K | 1080~1320 | 750 | 980 | 1750 | 300 | 1980 | 40000 |
| 40D162K | 1550~1760 | 1000 | 1320 | 2000 | 300 | 2460 | 40000 |
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