Overview
The SM6T39A-M3/5B is a surface-mount transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM6T series, known for its high reliability and robust protection against voltage transients. The SM6T39A-M3/5B is designed to protect sensitive electronics from voltage spikes and surges, making it an essential component in various industrial, automotive, and consumer applications.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Working Voltage | VWM | 33.3 | V |
| Breakdown Voltage (Unidirectional) | VBR | 37.1 - 41.0 | V |
| Clamping Voltage (10/1000 μs) | VC | 53.9 | V |
| Peak Pulse Current (10/1000 μs) | IPPM | 600 | A |
| Power Dissipation on Infinite Heatsink | PD | 5.0 | W |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Package | SMB (DO-214AA) | ||
| Polarity | Unidirectional, Bidirectional |
Key Features
- Low profile package ideal for automated placement.
- Glass passivated chip junction for high reliability.
- Low inductance design.
- Meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C.
- AEC-Q101 qualified for automotive applications.
- RoHS-compliant and halogen-free options available.
- Molding compound meets UL 94 V-0 flammability rating.
- Terminals are matte tin plated and solderable per J-STD-002 and JESD 22-B102.
Applications
The SM6T39A-M3/5B is used in various applications to protect sensitive electronics against voltage transients. These include:
- Industrial equipment.
- Automotive systems.
- Consumer electronics.
- Computer and telecommunication systems.
- Protection of ICs, MOSFETs, and signal lines of sensor units.
Q & A
- What is the primary function of the SM6T39A-M3/5B? The primary function is to protect sensitive electronics from voltage transients and surges.
- What are the key applications of the SM6T39A-M3/5B? It is used in industrial, automotive, consumer electronics, computer, and telecommunication systems.
- What is the working voltage of the SM6T39A-M3/5B? The working voltage is 33.3 V.
- What is the breakdown voltage range for the SM6T39A-M3/5B? The breakdown voltage range is 37.1 to 41.0 V.
- Is the SM6T39A-M3/5B AEC-Q101 qualified? Yes, it is AEC-Q101 qualified for automotive applications.
- What is the package type of the SM6T39A-M3/5B? The package type is SMB (DO-214AA).
- What are the polarity options for the SM6T39A-M3/5B? It is available in both unidirectional and bidirectional configurations.
- What is the maximum operating junction temperature for the SM6T39A-M3/5B? The maximum operating junction temperature is 150 °C.
- Is the SM6T39A-M3/5B RoHS-compliant? Yes, it is RoHS-compliant and also available in halogen-free options.
- What is the typical thermal resistance of the SM6T39A-M3/5B? The typical thermal resistance, junction to ambient, is 100 °C/W.
