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STMicroelectronics Automotive 1-Element Bi-Directional TVS Diode 400W 2-Pin DO-214 SM4T28CAY
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Package | DO-214AC (SMA) |
| Height | 2.45mm |
| Length | 4.6mm |
| Model | SM4T28CAY |
| Width | 2.9mm |
| Mount Type | Surface |
| Series | SM4TxxCAY |
| 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 | 50V |
| Automotive Standard | AEC-Q101 |
| Diode Configuration | Single |
| Direction Type | Bi-Directional |
| Minimum Breakdown Voltage Vbr | 26.7V |
| Maximum Reverse Stand-off Voltage Vwm | 24V |
| Peak Pulse Power Dissipation Pppm | 400W |
| Test Current It | 1mA |
| Maximum Peak Pulse Current Ippm | 46A |
| Maximum Reverse Leakage Current | 1μA |
Key Features
- Provides high pulse power dissipation of 400 watts for transient voltage suppression.
- Bi-directional diode configuration suitable for protecting sensitive automotive circuits.
- Minimum breakdown voltage of 26.7 volts with a maximum stand-off voltage of 24 volts.
- Compact surface mount DO-214 package with dimensions 4.6mm length, 2.9mm width, and 2.45mm height.
- Operating temperature range from -55°C to 150°C for robust automotive applications.
- Low reverse leakage current of 1 microampere enhances circuit reliability.
- Qualified to automotive standard AEC-Q101 ensuring high quality and durability.
- Peak pulse current capacity up to 46 amperes for high surge protection.
Product Description
STMicroelectronics SM4T28CAY is an automotive-grade 1-element bi-directional TVS (Transient Voltage Suppressor) diode designed for protecting sensitive electronic circuits against voltage surges.
It features a surface-mount DO-214AC (SMA) package, measuring 4.6mm in length, 2.9mm in width, and 2.45mm in height, enabling compact PCB integration.
With a peak pulse power dissipation of 400 watts, this TVS diode efficiently clamps voltage spikes to a maximum clamping voltage of 50 volts, thus safeguarding automotive electronic components.
The device supports a wide operating temperature range from -55°C to 150°C, making it suitable for demanding automotive and industrial environments.
It complies with the AEC-Q101 automotive standard and is designed to withstand surges defined in ISO 7637-2 and electrostatic discharges per ISO 10605, offering reliable protection in automotive applications.
High pulse power dissipation of 400W for effective transient suppression. Bi-directional diode configuration for flexible circuit protection. Compact DO-214 surface mount package. Wide temperature range from -55°C to 150°C.
Low leakage current minimizing power loss. Qualified to stringent automotive standards (AEC-Q101). Peak pulse current handling up to 46A for surge resilience.
This TVS diode is ideal for safeguarding automotive electronics, industrial circuits, and sensitive discrete semiconductor applications from transient voltage threats, ensuring long-term reliability and compliance with automotive industry requirements.
Explore the full range of STMicroelectronics TVS diodes at EnvMart for guaranteed quality and performance.
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Frequently Asked Questions
The SM4T28CAY has a peak pulse power dissipation of 400 watts, which is effective for transient voltage suppression.
This model operates within a temperature range of -55°C to 150°C, making it suitable for demanding automotive applications.
The DO-214AC package measures 4.6mm in length, 2.9mm in width, and 2.45mm in height.
The minimum breakdown voltage of this diode is 26.7 volts.
The maximum reverse stand-off voltage for the SM4T28CAY is 24 volts.
This model can handle a maximum peak pulse current of 46 amperes, providing high surge protection.
The SM4T28CAY is qualified to the AEC-Q101 automotive standard, ensuring high quality and reliability.
The maximum reverse leakage current for this diode is 1 microampere, which enhances circuit reliability.
Yes, this model features a bi-directional diode configuration suitable for protecting sensitive automotive circuits.
This diode supports surface mounting, making it suitable for compact PCB integration.
The clamping voltage for this diode is 50 volts, which helps in clamping voltage spikes effectively.
The SM4T28CAY is a 1-element diode, designed for transient voltage suppression applications.
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