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STMicroelectronics 1-Element Uni-Directional TVS Diode 400 W Surface Mount DO-214 SM4T15AY
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Package | DO-214AC (SMA) |
| Height | 2.45mm |
| Length | 4.6mm |
| Model | SM4T15AY |
| Width | 2.9mm |
| Mount Type | Surface |
| Series | SM4TxxAY |
| Maximum Operating Temperature | 150°C |
| Package Type | DO-214 |
| Minimum Operating Temperature | -55°C |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Clamping Voltage VC | 27.2V |
| Automotive Standard | AEC-Q101 |
| Diode Configuration | Single |
| Direction Type | Uni-Directional |
| Minimum Breakdown Voltage Vbr | 14.4V |
| Maximum Reverse Stand-off Voltage Vwm | 13V |
| Peak Pulse Power Dissipation Pppm | 400W |
| Test Current It | 1mA |
| Maximum Peak Pulse Current Ippm | 85A |
| Maximum Reverse Leakage Current | 1μA |
Key Features
- Single diode configuration suitable for transient voltage suppression.
- Uni-directional direction type for precise clamping.
- Surface mount package type DO-214 ensures compact footprint.
- Minimum breakdown voltage of 14.4 V with clamping voltage at 27.2 V.
- Maximum reverse stand-off voltage of 13 V for circuit protection.
- Peak pulse power dissipation rated at 400 W with max peak pulse current of 85 A.
- Temperature range from -55°C to 150°C facilitates automotive-grade reliability.
- Complies with automotive standard AEC-Q101 for harsh environments.
Product Description
STMicroelectronics SM4T15AY is a reliable 1-element uni-directional Transient Voltage Suppressor (TVS) diode designed to protect sensitive automotive and industrial circuits from transient voltage surges and electrostatic discharges. With a peak pulse power dissipation of 400 W, this surface-mounted diode in a DO-214 package offers robust voltage clamping and circuit protection for a wide range of automotive and industrial applications.
The device features a minimum breakdown voltage of 14.4 V and a maximum reverse stand-off voltage of 13 V, ensuring effective suppression of voltage spikes. Its clamping voltage is rated at 27.2 V, and it can handle peak pulse currents up to 85 A, making it suitable for ISO 7637-2 surge protection in automotive systems. Operating reliably across a temperature range from -55°C to 150°C, the SM4T15AY is qualified per the stringent AEC-Q101 automotive standard, assuring performance in harsh environmental conditions.
Compact dimensions (4.6 mm length, 2.9 mm width, 2.45 mm height) and surface mount DO-214 packaging facilitate easy PCB integration while minimizing space. The device has a low maximum reverse leakage current of 1 μA, which helps reduce power loss during normal operation. This TVS diode is ideal for protecting power lines, data lines, and other sensitive electronics in automotive, industrial automation, and transportation sectors.
Single diode configuration suitable for transient voltage suppression. Uni-directional direction type for precise clamping. Surface mount DO-214 package for compact PCB footprint. Minimum breakdown voltage of 14.4 V with high peak pulse power handling of 400 W.
Maximum reverse stand-off voltage of 13 V and clamping voltage of 27.2 V. Operates reliably from -55°C to 150°C with automotive AEC-Q101 qualification. Low maximum reverse leakage current of 1 μA for energy efficiency. Compact size supports use in automotive and industrial circuit protection.
Designed to protect against transient surges from ISO 7637-2 and electrostatic discharges per ISO 10605. Compliant with automotive-grade specifications ensuring durability and safety.
This product is categorized under TVS Diodes within discrete semiconductor components, suitable for use in automotive electronics, industrial automation, and general transient voltage suppression applications. Explore the extensive range of STMicroelectronics automotive TVS Diodes for additional voltages and configurations on EnvMart.
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Frequently Asked Questions
The peak pulse power dissipation is rated at 400 W.
The clamping voltage is rated at 27.2 V.
This model has dimensions of 4.6 mm in length, 2.9 mm in width, and 2.45 mm in height.
The minimum breakdown voltage is 14.4 V.
It operates reliably within a temperature range from -55°C to 150°C.
The maximum peak pulse current is 85 A.
The package type is DO-214.
It complies with the automotive standard AEC-Q101.
This diode configuration consists of a single element.
It is suitable for protecting power lines, data lines, and other sensitive electronics in automotive and industrial applications.
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