This is mainly used for voltage clamping when the circuit is subjected to overvoltage and absorbs excess current to protect sensitive devices.
Item No :
Overvoltage-protection style varistorSize / Dimension :
7.5-24mmVaristor voltage :
33-1800 VVaristor voltage tolerance :
J:±5%,K:±10%, L:±15%Insulation resistance :
≥500 MΩTemperature Range :
-40~85℃Lead Style :
straight,spireResponse time :
＜25 nsRated Power :
0.01-1.4 WEpoxy Varistor Compact Overvoltage Protection
Product Description
Varistor is a resistive device with nonlinear volt-ampere characteristics. It is mainly used for voltage clamping when the circuit is subjected to overvoltage and absorbs excess current to protect sensitive devices.
Product Features
●Epoxy resin insulation encapsulation, small size.
●large flow capacity and energy tolerance.
Product Specifications
| No(mm) |
Dmax
|
Hmax
|
T
|
F
|
d |
Lmin
|
| D5 | 7.5 | 10 | 4.5 | 5±1 | φ0.6± 0.1 | 25 |
| D7 | 9 | 12 | 5 | 5±1 | φ0.6± 0.1 | 25 |
| D10 | 14 | 17 | 5.2 | 7.5±1 | φ0.7± 0.1 | 25 |
| D14 | 17.5 | 20.5 | 5.2 | 7.5±1 | φ0.7± 0.1 | 20 |
| D20 | 24 | 28 | 6.1 | 10±1 | φ1.0± 0.1 | 25 |
Why Choose us?
20+ Years Industry Experience
Founded in 2002. Four self-built factories.
Shiheng Electronics delivers high-precision NTC thermistors engineered for surge suppression, fast temperature sensing, and long-term reliability. Our products are built for demanding environments — from EV battery packs and HVAC systems to industrial power supplies and consumer electronics.
With in-house manufacturing and custom design capabilities, we provide tailored thermal solutions that help you prevent failures, extend product life, and improve system efficiency. Partner with Shiheng for components that perform when it matters most.
Tags :
Tel : +8615150650428
Email : GlobalSales@shiheng.com.cn
WhatsApp Asia : +86 15150650428
WhatsApp America : +86 15190476914
WhatsApp Europe : +86 15190478070
No. 18, Jinyang Road, Hushu Street, Jiangning District, Nanjing City, Jiangsu Province
© 2025 Nanjing Shiheng Electronics Co., Ltd.
