The 1N6147AUS is a bidirectional Zener TVS diode from Microchip Technology, rated for 1500W peak pulse power at 10/1000µs waveform. It clamps transients at 22.3V max when the surge current hits 67.3A, with a 12.2V reverse standoff voltage that lets it sit on a 12V rail without conducting during normal operation. The -55°C to 175°C junction temperature range means this part is comfortable in avionics, downhole instrumentation, or any environment where the board sees wide thermal swings. The SQ-MELF C package is a surface-mount ceramic barrel — hand-solderable with care, but the metalized ends need a good reflow profile to avoid cold joints.
Sourcing and production status
No end-of-life notice or successor has been issued, so this part is a safe choice for new designs and long-life programs. Availability is confirmed through our supply chain — quoted to order against your BOM quantity.