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| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
10,000 pcs
|
10000 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 SM4T12AY is a unidirectional TVS (Transient Voltage Suppression) diode designed by STMicroelectronics for protecting sensitive electronics from voltage transients. It features a reverse standoff voltage of 10V and a clamping voltage of 21.7V at a peak pulse current of 106A (8/20µs waveform). With a peak pulse power rating of 400W, this diode is suitable for automotive applications requiring robust surge protection.
The device is housed in a compact DO-214AC (SMA) surface-mount package, enabling efficient use of board space. It operates over a wide temperature range of -55°C to 150°C (junction temperature). The SM4T12AY is RoHS3 compliant and has an MSL of Level 1 (unlimited). It is designed for unidirectional protection and does not include power line protection features.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.80 | $0.80 |
| 10+ | $0.56 | $0.56 |
| 100+ | $0.36 | $0.36 |
| 500+ | $0.28 | $0.28 |
| 1,000+ | $0.23 | $0.23 |
| 2,500+ | $0.18 | $0.18 |
| 5,000+ | $0.18 | $0.18 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
10V.
21.7V.
106A (8/20µs waveform).
400W.
DO-214AC (SMA) surface-mount package.
-55°C to 150°C (junction temperature).
Yes, it is rated for automotive applications.