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STMicroelectronics 1-Element Bi-Directional TVS Diode 400W 2-Pin DO-214 SM4T47CAY
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Package | DO-214AC (SMA) |
| Height | 2.45mm |
| Length | 4.6mm |
| Model | SM4T47CAY |
| 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 | 84V |
| Automotive Standard | AEC-Q101 |
| Diode Configuration | Single |
| Direction Type | Bi-Directional |
| Minimum Breakdown Voltage Vbr | 44.4V |
| Maximum Reverse Stand-off Voltage Vwm | 40V |
| Peak Pulse Power Dissipation Pppm | 400W |
| Test Current It | 1mA |
| Maximum Peak Pulse Current Ippm | 27A |
| Maximum Reverse Leakage Current | 1μA |
Key Features
- Provides bi-directional transient voltage suppression for sensitive automotive and industrial circuits.
- Supports a peak pulse power dissipation of 400 watts.
- Features a minimum breakdown voltage of 44.4 V and maximum reverse stand-off voltage of 40 V.
- Operates reliably in temperatures from -55°C to 150°C.
- Compliant with automotive standard AEC-Q101 for high-reliability applications.
- Compact surface mount design with DO-214 package dimensions 4.6mm length, 2.9mm width, and 2.45mm height.
- Maximum peak pulse current rating of 27 A ensures robust surge handling.
- Low maximum reverse leakage current of 1 μA reduces power losses in circuits.
Product Description
STMicroelectronics SM4T47CAY is a 1-element bi-directional Transient Voltage Suppressor (TVS) diode designed to protect sensitive automotive and industrial electronic circuits from voltage surges and electrostatic discharges. It offers a peak pulse power dissipation rating of 400 watts, suitable for high-energy transient suppression.
Encapsulated in a compact DO-214 surface mount package, this diode features a minimum breakdown voltage of 44.4 volts and a maximum reverse stand-off voltage of 40 volts. The device is capable of handling peak pulse currents up to 27 amps and has a clamping voltage of 84 volts, ensuring effective voltage surge absorption and circuit protection.
Its operational temperature range from -55°C to 150°C meets the rigorous demands of automotive environments. The SM4T47CAY diode complies with the automotive industry standard AEC-Q101 and meets surge testing requirements per ISO 7637-2 and electrostatic discharge standards ISO 10605.
The device has a low maximum reverse leakage current of 1 microampere, contributing to efficient performance in low-power circuits. Its dimensions include a length of 4.6 mm, width of 2.9 mm, and height of 2.45 mm, making it suitable for compact PCB layouts.
Typical applications include transient voltage suppression in automotive systems, industrial electronics, power supplies, and consumer electronics where robust surge protection is critical.
Provides bi-directional transient voltage suppression for sensitive automotive and industrial circuits. Supports a peak pulse power dissipation of 400 watts. Features a minimum breakdown voltage of 44.4 V and maximum reverse stand-off voltage of 40 V.
Operates reliably in temperatures from -55°C to 150°C. Compliant with automotive standard AEC-Q101 for high-reliability applications. Compact surface mount design with DO-214 package dimensions 4.6mm length, 2.9mm width, and 2.45mm height.
Maximum peak pulse current rating of 27 A ensures robust surge handling. Low maximum reverse leakage current of 1 μA reduces power losses in circuits. Provides protection against surges according to ISO 7637-2 and electrostatic discharge per ISO 10605.
Explore STMicroelectronics TVS Diodes and related electronic components conveniently on EnvMart for industrial and automotive applications.
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Frequently Asked Questions
The SM4T47CAY diode supports a peak pulse power dissipation of 400 watts.
It features a minimum breakdown voltage of 44.4 volts.
The maximum reverse stand-off voltage is 40 volts.
It operates reliably in temperatures ranging from -55°C to 150°C.
The maximum peak pulse current rating is 27 amps.
The dimensions of the DO-214 package are 4.6 mm in length, 2.9 mm in width, and 2.45 mm in height.
It complies with the automotive standard AEC-Q101 for high-reliability applications.
The clamping voltage for this model is 84 volts.
The maximum reverse leakage current is 1 microampere.
This diode utilizes a surface mount design.
It is suitable for transient voltage suppression in automotive systems, industrial electronics, power supplies, and consumer electronics.
This diode has one element per chip.
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