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STMicroelectronics 1-Element Uni-Directional TVS Diode 400 W Peak Pulse Power, 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 designed for unidirectional transient voltage suppression.
- Provides peak pulse power dissipation of 400 watts to protect sensitive automotive electronics.
- Minimum breakdown voltage of 14.4 volts and maximum reverse stand-off voltage of 13 volts.
- Package type DO-214AC (SMA) with 2-pin configuration ideal for surface mounting.
- Clamping voltage of 27.2 volts ensures swift suppression of voltage spikes.
- Operating temperature range from -55°C to 150°C for reliability in harsh environments.
- Compliant with automotive standard AEC-Q101 for quality and durability.
- Compact dimensions with length 4.6 mm, width 2.9 mm, and height 2.45 mm.
Product Description
STMicroelectronics SM4T15AY is a robust 1-element, uni-directional transient voltage suppressor (TVS) diode designed to protect sensitive automotive and industrial circuits from transient voltage spikes and electrostatic discharges. It features a surface mount DO-214 package optimized for PCB assembly and offers high peak pulse power capability of 400 W, making it suitable for demanding automotive environments.
This TVS diode has a minimum breakdown voltage of 14.4 V and a maximum reverse stand-off voltage of 13 V, providing reliable clamping voltage at 27.2 V to safeguard devices from surge voltages. Its operational temperature range from -55°C to 150°C ensures dependable performance under extreme temperature conditions often encountered in automotive and industrial applications.
The SM4T15AY meets the stringent AEC-Q101 automotive standard, guaranteeing quality and robustness required for automotive electronics protection. The compact DO-214AC (SMA) package with dimensions 4.6 mm length, 2.9 mm width, and 2.45 mm height allows easy surface mounting on PCBs with a 2-pin configuration.
Single-element diode with uni-directional configuration for efficient surge suppression. Designed to withstand peak pulse currents up to 85 A ensuring protection against high-energy transients. Minimizes reverse leakage current, maintaining low power consumption during normal operation.
Supports automotive and industrial applications compliant with ISO 7637-2 and ISO 10605 standards for surge and ESD protection.
This TVS diode is essential for safeguarding sensitive electronics in automotive systems, industrial control units, and power management circuits against damaging transient voltages. Its compact form factor and certified reliability make it an ideal choice for high-quality circuit protection in harsh operational scenarios.
Explore our collection of discrete semiconductors and Transient Voltage Suppressors for advanced automotive and industrial electronics protection solutions.
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Frequently Asked Questions
This model has a peak pulse power dissipation of 400 watts, making it suitable for protecting sensitive electronics from transient voltage spikes.
The minimum breakdown voltage is 14.4 volts, ensuring effective clamping during voltage spikes.
The package dimensions are 4.6 mm in length, 2.9 mm in width, and 2.45 mm in height, allowing for compact surface mounting.
The clamping voltage of 27.2 volts ensures swift suppression of voltage spikes, protecting sensitive components from damage.
It complies with the AEC-Q101 automotive standard, ensuring quality and durability for automotive applications.
The SM4T15AY features a single element configuration, designed specifically for uni-directional transient voltage suppression.
It can withstand a maximum peak pulse current of 85 A, providing robust protection against high-energy transients.
This unit is designed for surface mounting, making it suitable for PCB assembly.
It is suitable for protecting sensitive electronics in automotive systems, industrial control units, and power management circuits.
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