Overview
The SM15T150CA-E3/57T is a Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division. This component is designed to protect sensitive electronics from voltage transients induced by inductive load switching and lightning. It is part of the SM15T series, which offers a range of voltage ratings and is packaged in the SMC (DO-214AB) format. The SM15T150CA-E3/57T is particularly suited for applications requiring high surge current capability and low leakage current.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Stand-Off Voltage (VWM) | VWM | 128 | V |
| Reverse Breakdown Voltage (VBR) | VBR | 143 | V |
| Clamp Voltage (VC) at IPPM (10/1000 μs) | VC | 207 | V |
| Peak Pulse Current (IPPM) | IPPM | 7.2 | A |
| Peak Pulse Power Dissipation | PPPM | 1500 W (1.5 kW) | W |
| Power Dissipation on Infinite Heatsink | PD | 6.5 | W |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 °C | °C |
| Package | SMC (DO-214AB) |
Key Features
- High Surge Current Capability: The SM15T150CA-E3/57T can handle peak pulse currents up to 7.2 A and peak pulse power dissipation of 1500 W (1.5 kW).
- Low Leakage Current: This TVS diode has a low reverse leakage current, making it suitable for applications where minimal current draw is critical.
- Bidirectional Protection: Available in both unidirectional and bidirectional configurations, providing flexibility in circuit design.
- Wide Operating Temperature Range: The component operates over a temperature range of -65 to +150 °C, making it suitable for a variety of environmental conditions.
- Compact Package: The SMC (DO-214AB) package is compact and suitable for surface mount applications, saving board space.
Applications
- Industrial and Automotive Electronics: Protects against voltage transients in industrial control systems, automotive electronics, and other high-reliability applications.
- Telecommunications and Networking Equipment: Used to safeguard sensitive components in telecommunications and networking equipment from power surges and lightning strikes.
- Consumer Electronics: Provides protection in consumer electronics such as smartphones, laptops, and other portable devices.
- Military and Aerospace: Suitable for use in military and aerospace applications where high reliability and robust protection against voltage transients are essential.
Q & A
- What is the primary function of the SM15T150CA-E3/57T TVS diode? The primary function is to protect sensitive electronics from voltage transients induced by inductive load switching and lightning.
- What is the reverse stand-off voltage (VWM) of the SM15T150CA-E3/57T? The reverse stand-off voltage (VWM) is 128 V.
- What is the peak pulse current (IPPM) rating of this TVS diode? The peak pulse current (IPPM) rating is 7.2 A.
- What is the package type of the SM15T150CA-E3/57T? The package type is SMC (DO-214AB).
- What is the operating temperature range of this component? The operating temperature range is -65 to +150 °C.
- Is the SM15T150CA-E3/57T available in both unidirectional and bidirectional configurations? Yes, it is available in both unidirectional and bidirectional configurations.
- What is the peak pulse power dissipation of the SM15T150CA-E3/57T? The peak pulse power dissipation is 1500 W (1.5 kW).
- What are some common applications for the SM15T150CA-E3/57T? Common applications include industrial and automotive electronics, telecommunications and networking equipment, consumer electronics, and military and aerospace applications.
- How does the SM15T150CA-E3/57T protect against voltage transients? It protects against voltage transients by clamping the voltage to a safe level, preventing damage to sensitive components.
- What is the typical thermal resistance of the SM15T150CA-E3/57T? The typical thermal resistance, junction to ambient air, is 75 °C/W.
