The ASMCJ78CA-HF from Comchip Technology is a bidirectional TVS diode rated 1500 W with a 78 V standoff, a 126 V clamp and an 11.9 A peak pulse current, in a surface-mount DO-214AB (SMC) package.
The ASMCJ78A-HF from Comchip Technology is a unidirectional 78 V, 1500 W transient voltage suppressor (TVS) diode with a 126 V clamp voltage and 11.9 A peak pulse current, in a surface-mount DO-214AB (SMC) package.