Overview
The SM15T39A is a high-performance Transient Voltage Suppressor (TVS) device from Vishay General Semiconductor, designed to protect sensitive electronic equipment from voltage transients and electrostatic discharges. This component is part of the SM15T series, which offers robust protection against various types of transient threats, including lightning-induced transients and switching transients from inductive loads.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | See datasheet for specific values | A |
| Power Dissipation on Infinite Heatsink at TA = 50 °C | PD | 6.5 | W |
| Peak Forward Surge Current (10 ms single half sine-wave) | IFSM | 200 | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Stand-Off Voltage (VWM) | VWM | 33.3 | V |
| Breakdown Voltage (VBR) | VBR | 37.1 to 41.0 | V |
| Maximum Reverse Leakage at VWM | ID | 1.0 | μA |
| Maximum Clamping Voltage at IPPM (10/1000 μs) | VC | 53.9 | V |
| Package Type | SMC (DO-214AB) |
Key Features
- Low Profile Package: Ideal for automated placement and space-saving designs.
- Glass Passivated Chip Junction: Ensures high reliability and stability.
- Unidirectional and Bidirectional Options: Available for various application needs.
- High Peak Pulse Power Capability: 1500 W with a 10/1000 μs waveform.
- Excellent Clamping Capability: Effective in limiting voltage transients.
- Low Inductance: Minimizes the impact of high-frequency transients.
- AEC-Q101 Qualified: Suitable for automotive applications.
- RoHS and Halogen-Free Compliant: Meets environmental and safety standards.
Applications
The SM15T39A is used in a variety of applications to protect sensitive electronics against voltage transients, including consumer electronics, computer systems, industrial equipment, automotive systems, and telecommunication devices.
Q & A
- What is the peak power dissipation of the SM15T39A?
The peak power dissipation of the SM15T39A is 1500 W with a 10/1000 μs waveform.
- What are the operating temperature ranges for the SM15T39A?
The operating junction and storage temperature range is -65 to +150 °C.
- Is the SM15T39A suitable for automotive applications?
Yes, the SM15T39A is AEC-Q101 qualified, making it suitable for automotive applications.
- What is the stand-off voltage (VWM) of the SM15T39A?
The stand-off voltage (VWM) of the SM15T39A is 33.3 V.
- What is the maximum reverse leakage current at VWM for the SM15T39A?
The maximum reverse leakage current at VWM is 1.0 μA.
- What package type is the SM15T39A available in?
The SM15T39A is available in the SMC (DO-214AB) package type.
- Is the SM15T39A RoHS and halogen-free compliant?
Yes, the SM15T39A is RoHS and halogen-free compliant.
- What are some typical applications of the SM15T39A?
Typical applications include protection in consumer electronics, computer systems, industrial equipment, automotive systems, and telecommunication devices.
- What is the maximum clamping voltage of the SM15T39A?
The maximum clamping voltage at IPPM (10/1000 μs) is 53.9 V.
- What is the peak forward surge current rating of the SM15T39A?
The peak forward surge current rating is 200 A for a 10 ms single half sine-wave.
