Overview
The SM6T39CA-E3/5B is a surface-mount Transient Voltage Suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM6T series, designed to provide protection against voltage transients in various electronic systems. It is available in both unidirectional and bidirectional configurations, making it versatile for different application needs.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Power Dissipation (10/1000 μs waveform) | PPPM | 600 | W |
| Stand-Off Voltage (VWM) | VWM | 33.3 | V |
| Breakdown Voltage (VBR) | VBR | 37.1 - 41.0 | V |
| Clamping Voltage (VC) at IPPM (10/1000 μs) | VC | 53.9 | V |
| Peak Pulse Current (IPPM) | IPPM | 11.1 | A |
| Power Dissipation on Infinite Heatsink | PD | 5.0 | W |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Package Type | SMB (DO-214AA) |
Key Features
- Low profile package ideal for automated placement.
- Glass passivated chip junction for enhanced reliability.
- Available in both unidirectional and bidirectional configurations.
- 600 W peak pulse power capability with a 10/1000 μs waveform.
- Excellent clamping capability and low inductance.
- 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.
Applications
The SM6T39CA-E3/5B is used in sensitive electronics to protect against voltage transients induced by inductive load switching and lightning. It is suitable for various industries including consumer electronics, computers, industrial equipment, automotive systems, and telecommunications. Specifically, it can be used to protect ICs, MOSFETs, and signal lines of sensor units.
Q & A
- What is the peak power dissipation of the SM6T39CA-E3/5B? The peak power dissipation is 600 W with a 10/1000 μs waveform.
- What are the stand-off and breakdown voltages of this TVS diode? The stand-off voltage (VWM) is 33.3 V, and the breakdown voltage (VBR) ranges from 37.1 V to 41.0 V.
- What is the clamping voltage of the SM6T39CA-E3/5B? The clamping voltage (VC) at IPPM (10/1000 μs) is 53.9 V.
- Is the SM6T39CA-E3/5B suitable for automotive applications? Yes, it is AEC-Q101 qualified for automotive use.
- What is the operating temperature range of this component? The operating junction and storage temperature range is -65 °C to +150 °C.
- What package type does the SM6T39CA-E3/5B come in? It comes in an SMB (DO-214AA) package.
- Is the SM6T39CA-E3/5B RoHS-compliant? Yes, it is RoHS-compliant and also available in halogen-free versions.
- What are some typical applications of the SM6T39CA-E3/5B? It is used to protect against voltage transients in consumer electronics, computers, industrial equipment, automotive systems, and telecommunications.
- Can the SM6T39CA-E3/5B be used in bidirectional configurations? Yes, it is available in both unidirectional and bidirectional configurations.
- What is the maximum forward surge current for this TVS diode? The maximum forward surge current (IFSM) for unidirectional types is 100 A.
