Zener TVS, 1500W peak pulse, DO-214AB
SMCJ6.5E3/TR13 is a unidirectional Zener transient voltage suppressor from Microchip Technology, rated for 1500W (1.5kW) peak pulse power per the 10/1000µs waveform. The 6.5V reverse standoff voltage and 7.22V minimum breakdown mean it stays transparent on a 5V rail but clamps transients at 12.3V maximum — a clean fit for protecting 5V logic or bias supplies from surges up to 122A peak pulse current.
Clamping voltage and surge current
The 12.3V clamping voltage at 122A peak pulse current defines the voltage the protected circuitry sees during a surge — for a 5V rail, that's a 7.3V margin above the supply, well within the typical absolute maximum of downstream 5V ICs. The 1500W rating gives headroom for industrial or automotive transients without needing a larger package.
