TDK-EPC has released a sample kit with the SHCV series (super high capacitance varistors) of components for protection from overvoltage (ESD) and attenuation of radio frequency interference (RFI). The SHCV series was developed especially for automotive electronics and is qualified to AEC-Q200 Rev-C. In addition to protecting automobile electrical systems in stress conditions such as load dump and jump start, the CTVS components are suitable for the interference suppression of brushed DC motors, relays and electromagnetic actuators.
The leaded components contained in the sample kit cover the operating voltage range from 16 to 45 V d.c. and are designed for current surges of between 100 and 1200 A at a standard pulse of 8/20 μs. Depending on the type, a maximum energy of 12 J per pulse can be absorbed for at least 10 pulses. The capacitances range between 0,47 and 4,7 μF. Up to a temperature of 125°C, no derating is required.
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