1500 W peak pulse in a DO-214AB footprint
The 1.5SMC130CAHM3/I: It clamps transients at 179 V max while conducting 8.4 A peak pulse current, and its 111 V reverse standoff voltage means it sits across a 100–110 V rail without leaking. AEC-Q101 qualification confirms the part meets automotive stress and reliability screening — suitable for under-hood ECUs, battery-management sense lines, and 48 V mild-hybrid bus protection where the ambient temperature range spans -65 °C to 150 °C.
Clamping voltage and breakdown window
For a 111 V nominal rail, the 124 V breakdown provides margin above the steady-state operating level, so the diode stays off during normal conditions and only conducts during overvoltage events.
Automotive qualification and active lifecycle
The TransZorb® series is Vishay's trademarked TVS platform, and the 1.5SMC family covers a wide standoff range from 5 V to 440 V — the 130CA variant here targets the 100–120 V protection tier common in automotive 48 V bus clamps and telecom line-card secondary protection.