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| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
5,000 pcs
|
5000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
13 pcs
|
13 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| AEC Qualified | |
| Applications | |
| Automotive Grade | |
| Current | |
| Mounting Type | |
| Operating Temperature | |
| Power | |
| Power Line Protection | |
| Reverse Standoff Voltage | |
| Supplier Device Package | |
| Tape & Reel | |
| Type | |
| Unidirectional Channels | |
| Voltage |
The SM4T28AY is a unidirectional TVS diode from STMicroelectronics designed for automotive applications. It features a reverse standoff voltage of 24V and a clamping voltage of 50V, providing transient voltage protection for sensitive electronics.
With a peak pulse power rating of 400W (8/20µs waveform) and a peak pulse current capability of 46A, this device safeguards circuits against voltage spikes. It is not intended for power line protection, making it suitable for signal and data line applications.
The SM4T28AY is housed in a surface-mount DO-214AC (SMA) package and operates over a temperature range of -55°C to 150°C. It is RoHS3 compliant and REACH unaffected, supporting lead-free soldering processes.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.98 | $0.98 |
| 10+ | $0.79 | $0.79 |
| 100+ | $0.49 | $0.49 |
| 500+ | $0.38 | $0.38 |
| 1,000+ | $0.33 | $0.33 |
| 5,000+ | $0.33 | $0.33 |
| 25,000+ | $0.32 | $0.32 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The clamping voltage is 50V.
The peak pulse current is 46A under 8/20µs test condition.
It is available in a DO-214AC, SMA surface-mount package.
Yes, it is specifically designed for automotive applications.
The operating temperature range is -55°C to 150°C (junction).