Automotive-grade transient suppressor — 600W peak pulse, 128V standoff
The P6SMB150AT3 is a Zener TVS diode from onsemi's P6SMB series, designed to clamp transients on 128V rails in automotive electronics.
Peak pulse current is 2.9A for the 10/1000 µs waveform.
onsemi lists the P6SMB150AT3 as Obsolete. For BOM lines that cannot migrate, independent distribution is the channel — we source and quote to order against your quantity. The DO-214AA SMB package is surface-mount, compatible with standard reflow profiles. If you are qualifying a replacement, look for a TVS with the same package, 128V standoff, and 600W rating — onsemi's P6SMB series includes active variants, but verify pinout and capacitance match.
