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STMicroelectronics 1-Element Bi-Directional TVS Diode 400 W Peak Pulse Power, Surface Mount DO-214 SM4T14CAY
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Package | DO-214AC (SMA) |
| Height | 2.45mm |
| Length | 4.6mm |
| Model | SM4T14CAY |
| 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 | 25.3V |
| Automotive Standard | AEC-Q101 |
| Diode Configuration | Single |
| Direction Type | Bi-Directional |
| Minimum Breakdown Voltage Vbr | 13.3V |
| Maximum Reverse Stand-off Voltage Vwm | 12V |
| Peak Pulse Power Dissipation Pppm | 400W |
| Test Current It | 1mA |
| Maximum Peak Pulse Current Ippm | 91A |
| Maximum Reverse Leakage Current | 1μA |
Key Features
- The diode features a bi-directional configuration for surge protection.
- It has a minimum breakdown voltage of 13.3 V and a maximum reverse stand-off voltage of 12 V.
- The package type is DO-214 (SMA) with 2 pins for surface mounting.
- The device supports a maximum peak pulse current of 91 A and a clamping voltage of 25.3 V.
- Operational temperature ranges from -55 °C to 150 °C, suitable for automotive environments.
- The product complies with the automotive standard AEC-Q101 for reliability.
- The dimensions are compact with length 4.6 mm, width 2.9 mm, and height 2.45 mm.
- Its maximum reverse leakage current is 1 μA, ensuring low leakage during normal operation.
Product Description
STMicroelectronics SM4T14CAY is a single-element, bi-directional transient voltage suppressor diode designed for high peak pulse power dissipation of 400 W. The device comes in a compact DO-214AC (SMA) package suitable for surface mounting, with a 2-pin configuration.
This transient voltage suppressor (TVS) diode is engineered specifically to protect automotive and sensitive electronic circuits against voltage surges as specified by ISO 7637-2 and electrostatic discharge with reference to ISO 10605. Compliance with the automotive standard AEC-Q101 ensures high reliability in automotive applications.
With a minimum breakdown voltage of 13.3 V and a maximum reverse stand-off voltage of 12 V, the SM4T14CAY offers efficient clamping voltage protection at 25.3 V, handling surge currents up to 91 A. Its low maximum reverse leakage current of 1 μA helps maintain circuit integrity during normal operation.
The diode is built to operate over a wide temperature range from -55 °C to 150 °C, making it suitable for harsh automotive environments. Its dimensions are compact and efficient, measuring 4.6 mm in length, 2.9 mm in width, and 2.45 mm in height, facilitating ease of PCB mounting.
The diode features a bi-directional design to protect circuits from voltage spikes in both polarities. Package type DO-214AC (SMA) provides a robust surface mount footprint. Rated for 400 W peak pulse power dissipation ensuring effective transient suppression capability.
Meets rigorous automotive standards ensuring reliability in critical applications. Compact dimensions enable flexible placement on automotive and industrial PCBs. Low leakage and high peak current handling lead to reliable transient protection.
This SM4T14CAY TVS diode is ideal for use in automotive electronic control units, power management circuits, and any application requiring transient voltage protection. Explore more STMicroelectronics products and Transient Voltage Suppressors at EnvMart to suit your electronic design needs.
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Frequently Asked Questions
The SM4T14CAY has a peak pulse power dissipation rating of 400 W.
The maximum reverse stand-off voltage for this model is 12 V.
The clamping voltage of this diode is 25.3 V.
It can handle a maximum peak pulse current of 91 A.
The dimensions of this diode are 4.6 mm in length, 2.9 mm in width, and 2.45 mm in height.
The operational temperature range for the SM4T14CAY is from -55 °C to 150 °C.
This model supports surface mounting with a DO-214AC (SMA) package.
Yes, it complies with the automotive standard AEC-Q101 for reliability.
The maximum reverse leakage current is 1 μA.
This diode features a single element configuration.
The minimum breakdown voltage is 13.3 V.
This diode is suitable for protecting automotive electronic control units and power management circuits against voltage surges.
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