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Failsafe Chip Varistors for Automotive Battery Cables
TDK’s chip varistors are available in multiple sizes and are suited for a wide temperature range of -55°C to +150°C
TDK Corporation presents a range of open-mode chip varistors for use in electronic automotive assemblies directly connected to the battery. The chip varistors offer reliable protection against transient surge voltages according to ISO 7637-2, and they also meet the failsafe requirements according to the VW standard VW 80808. Short-circuits are avoided even in the case of excessive bending stress, which is particularly important for unswitched battery terminals (e.g. terminal 30).
The surge protection components are designed for an operating voltage of 14 VRMS or a maximum direct voltage of 16 VDC. The three types of the B725*0G1140S862 series are designed for surge currents of 120 A, 200 A, and 400 A, with each being 8/20 µs. Depending on the surge current capability, the chip varistors are available in the sizes EIA 0805, 1206, and 1210 and are suitable for a wide temperature range of -55°C to +150°C.
- Failsafe, thanks to open-mode design
- Fulfilment of failsafe requirements according to VW standard VW 80808-1, 2020-03 edition
- Qualified according to AEC-Q200 and VW standard VW 80808-2, 2020-03 edition
- Reliable protection against transients according to ISO 7637-2
- Wide temperature range: -55°C to +150°C
- Automotive applications which are directly connected to the battery
Open Mode Failsafe Chip Varistors
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
 |  | B72510G1140S862 | AECQ200,VW80808-2, 120A,16V,0805 | 711 - Immediate | $1.64 | View Details |
| | B72520G1140S862 | AECQ200,VW80808-2, 200A,16V,1206 | 2544 - Immediate | $1.71 | View Details |
| | B72530G1140S862 | AECQ200,VW80808-2, 400A,16V,1210 | 1346 - Immediate | $2.50 | View Details |
Israel