Overview
The SM15T39A-M3/57T is a transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, designed to provide protection against voltage transients in sensitive electronic circuits. It is particularly useful in applications where protection against inductive load switching and lightning-induced voltage surges is necessary.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Stand-Off Voltage (VWM) | VWM | 33.3 | V |
| Breakdown Voltage (VBR) | VBR | 37.1 - 41.0 | V |
| Peak Pulse Power (PPPM) | PPPM | 1500 | W |
| Peak Pulse Current (IPPM) | IPPM | 28 A | A |
| Clamping Voltage (VC) at IPPM (10/1000 μs) | VC | 53.9 | V |
| Power Dissipation on Infinite Heatsink | PD | 6.5 | W |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Package | 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.
- Available in Unidirectional and Bidirectional: Offers flexibility for various application needs.
- High Peak Pulse Power Capability: 1500 W peak pulse power with a 10/1000 μs waveform.
- Excellent Clamping Capability: Effective in protecting against voltage transients.
- Low Inductance: Minimizes interference and ensures efficient operation.
- AEC-Q101 Qualified: Suitable for automotive applications.
- RoHS-Compliant and Halogen-Free: Meets environmental and safety standards.
Applications
The SM15T39A-M3/57T is used in various applications to protect sensitive electronics against voltage transients, including:
- Consumer electronics
- Computer systems
- Industrial control systems
- Automotive systems
- Telecommunication equipment
- Protection of ICs, MOSFETs, and signal lines of sensor units
Q & A
- What is the primary function of the SM15T39A-M3/57T?
The primary function is to protect sensitive electronics against voltage transients induced by inductive load switching and lightning.
- What is the peak pulse power capability of this diode?
The peak pulse power capability is 1500 W with a 10/1000 μs waveform.
- What are the operating temperature ranges for this component?
The operating junction and storage temperature range is -65 to +150 °C.
- Is the SM15T39A-M3/57T RoHS-compliant and halogen-free?
- What package type does the SM15T39A-M3/57T use?
The package type is SMC (DO-214AB).
- What is the clamping voltage at IPPM (10/1000 μs) for this diode?
The clamping voltage at IPPM (10/1000 μs) is 53.9 V.
- Is the SM15T39A-M3/57T suitable for automotive applications?
- What is the peak pulse current (IPPM) rating of this diode?
The peak pulse current (IPPM) rating is 28 A.
- What are some typical applications for this TVS diode?
Typical applications include consumer electronics, computer systems, industrial control systems, automotive systems, and telecommunication equipment.
- What is the stand-off voltage (VWM) for the SM15T39A-M3/57T?
The stand-off voltage (VWM) is 33.3 V.
