The 1.5SMC51AHR7G: The single unidirectional channel protects one DC rail; for dual-rail or AC circuits, a bidirectional variant from the same series would be needed. The package supports tape-and-reel delivery for automated pick-and-place assembly.

1.5SMC51AHR7G TVS Diode, 1500W, AEC-Q101, DO-214AB
Taiwan Semiconductor Corporation 1.5SMC series Zener TVS diode, automotive grade AEC-Q101, 1500W peak pulse power, 43.6V reverse standoff, DO-214AB (SMC) surface mount, tape and reel.
Specifications
| Parameter | Value |
|---|---|
| Type | Zener |
| Series | 1.5SMC |
| Mounting | Surface Mount |
| Voltage - breakdown | 48.5V |
| Voltage - clamping (Max) @ ipp | 70.1V |
| Voltage - reverse standoff | 43.6V |
| Current - peak pulse (10/1000μs) | 22A |
| Power - peak pulse | 1500W (1.5kW) |
| Power line protection | No |
| Operating temperature | -55°C ~ 150°C (TJ) |
| Grade | Automotive |
| Package | Tape & Reel (TR) |
| Qualification | AEC-Q101 |
| Case | DO-214AB, SMC |
| Unidirectional channels | 1 |
Product details
Frequently asked questions
What is the 1.5SMC51AHR7G used for?
Typical applications include protecting automotive ECUs, infotainment modules, and sensor interfaces from load-dump, inductive-load switching, and ESD events.
Is the 1.5SMC51AHR7G AEC-Q101 qualified?
Yes. The part carries AEC-Q101 qualification, the automotive discrete semiconductor reliability standard. This means it has passed the required temperature cycling, humidity, and operating-life tests for use in automotive-grade assemblies, and PPAP documentation is typically available from the manufacturer.