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) |
V10A (V) |
Imax
(8/20μs)
(A) |
Vn(40 times)
(1.2/50μs & 8/20μs)
(A) |
(W) |
(10/1000μs)(J) |
1kHz
(PF) |
HEL 7D431KH |
430(387~473) |
275 |
350 |
710 |
1750 |
2kV/1kA |
0.25 |
46 |
100 |
|
HEL 7D471KH |
470(423~517) |
300 |
385 |
775 |
1750 |
2kV/1kA |
0.25 |
49 |
90 |
|
HEL 7D511KH |
510(459~561) |
320 |
418 |
842 |
1750 |
2kV/1kA |
0.25 |
54 |
80 |
|
HEL 7D561KH |
560(504~616) |
350 |
460 |
920 |
1750 |
2kV/1kA |
0.25 |
55 |
75 |
|
HEL 7D621KH |
620(558~682) |
385 |
505 |
1025 |
1750 |
2kV/1kA |
0.25 |
59 |
70 |
|
HEL 7D681KH |
680(612~748) |
420 |
560 |
1120 |
1750 |
2kV/1kA |
0.25 |
62 |
65 |
|
HEL 7D751KH |
750(675~825) |
460 |
615 |
1240 |
1750 |
2kV/1kA |
0.25 |
66 |
61 |
|
HEL 7D781KH |
780(702~858) |
485 |
640 |
1290 |
1750 |
2kV/1kA |
0.25 |
68 |
54 |
|
HEL 7D821KH |
820(738~902) |
510 |
670 |
1355 |
1750 |
2kV/1kA |
0.25 |
71 |
48 |
|
Classification according to 8/20μs Surge current

Safety regulation certification and Corresponding models
Derating curves & V/I characteristics
齐齐哈尔市|
武川县|
鹿泉市|
修水县|
玉门市|
含山县|
望城县|
新干县|
图木舒克市|
鹤山市|
盐津县|
昌都县|
北海市|
高密市|
富锦市|
武功县|
都昌县|
岐山县|
怀柔区|
修水县|
江川县|
台中县|
灌云县|
达拉特旗|
宁陵县|
汶上县|
金乡县|
康保县|
漯河市|
垣曲县|
清镇市|
石渠县|
阿瓦提县|
洞口县|
宜兴市|
青岛市|
万安县|
高雄市|
林州市|
台东县|
济源市|