Surge rating and operating bias
The 1N6142AUS is a bidirectional Zener TVS diode rated for 1500W peak pulse power under the 10/1000 µs waveform, clamping at 14.5V maximum at 103.4A peak pulse current. The 7.6V reverse standoff voltage lets it sit on a 7.6V rail without conducting, then avalanche at 9.5V minimum breakdown to shunt transients. The SQ-MELF C package (surface-mount) keeps the thermal path short to the board copper.
Package and mounting
The SQ-MELF C package is a surface-mount ceramic barrel with end-cap terminations. The solder joint wets to the board pad on both ends; the ceramic body handles reflow profiles typical for lead-free assembly. No exposed paddle — the thermal path is through the end caps and the board copper. For automated pick-and-place, verify the feeder setup accommodates the MELF shape; some nozzles need a vacuum cup that matches the cylindrical body.
Lifecycle and supply posture
The base product number 1N6142 covers the family; the AUS suffix denotes the SQ-MELF package variant. Sourced per RFQ; confirm the BOM quantity and target delivery window at quote time.