DIMENSION
ELECTRICAL CHARACTERISTICS
Part No. |
Varistor Voltage |
Maximum Allowable Voltage |
Maximum Clamping Voltage |
Withstanding Surge Current |
Rated Wattage |
Energy |
Typical Capacitance |
Datasheet Download |
V1mA
(V) |
AC
(V) |
DC
(V) |
V100A (V) |
Imax
(8/20μs)
(A) |
Vn(40 times)
(1.2/50μs & 8/20μs)
(A) |
(W) |
(10/1000μs)(J) |
1kHz
(PF) |
HEL 20D431KH |
430(387~473) |
275 |
350 |
710 |
10000 |
10kV/5kA |
1 |
380 |
1100 |
|
HEL 20D471KH |
470(423~517) |
300 |
385 |
775 |
10000 |
10kV/5kA |
1 |
405 |
1050 |
|
HEL 20D511KH |
510(459~561) |
320 |
418 |
842 |
10000 |
10kV/5kA |
1 |
445 |
1000 |
|
HEL 20D561KH |
560(504~616) |
350 |
460 |
920 |
10000 |
10kV/5kA |
1 |
475 |
970 |
|
HEL 20D621KH |
620(558~682) |
385 |
505 |
1025 |
10000 |
10kV/5kA |
1 |
490 |
950 |
|
HEL 20D681KH |
680(612~748) |
420 |
560 |
1120 |
10000 |
10kV/5kA |
1 |
500 |
900 |
|
HEL 20D751KH |
750(675~825) |
460 |
615 |
1240 |
10000 |
10kV/5kA |
1 |
525 |
850 |
|
HEL 20D781KH |
780(702~858) |
485 |
640 |
1290 |
10000 |
10kV/5kA |
1 |
530 |
750 |
|
HEL 20D821KH |
820(738~902) |
510 |
670 |
1355 |
10000 |
10kV/5kA |
1 |
545 |
700 |
|
HEL 20D911KH |
910(819~1001) |
550 |
745 |
1500 |
10000 |
10kV/5kA |
1 |
595 |
600 |
|
HEL 20D951KH |
950(855~1045) |
580 |
780 |
1570 |
10000 |
10kV/5kA |
1 |
610 |
580 |
|
HEL 20D102KH |
1000(900~1100) |
625 |
825 |
1650 |
10000 |
10kV/5kA |
1 |
650 |
500 |
|
HEL 20D112KH |
1100(990~1210) |
680 |
895 |
1815 |
10000 |
10kV/5kA |
1 |
720 |
450 |
|
HEL 20D152KH |
1500(1350~1650) |
900 |
1220 |
2475 |
10000 |
10kV/5kA |
1 |
790 |
400 |
|
HEL 20D182KH |
1800(1620~1980) |
1000 |
1465 |
2970 |
10000 |
10kV/5kA |
1 |
850 |
220 |
|
Classification according to 8/20μs Surge current

Safety regulation certification and Corresponding models
Derating curves & V/I characteristics
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