Overview
The SM15T39A-M3/9AT is a surface mount 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 features a low profile SMC (DO-214AB) package, making it ideal for automated placement in various electronic devices.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Stand-Off Voltage | VWM | 33.3 | V |
| Breakdown Voltage (VBR) | VBR | 37.1 - 41.0 | V |
| Maximum Clamping Voltage (10/1000 μs) | VC | 53.9 | V |
| Maximum Reverse Leakage at VWM | ID | 1.0 | μA |
| Peak Pulse Current (10/1000 μs) | IPPM | 28 | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Package Type | SMC (DO-214AB) |
Key Features
- Low profile package suitable for automated placement
- Available in unidirectional and bidirectional configurations
- 1500 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
- Matt tin plated leads, solderable per J-STD-002 and JESD 22-B102
Applications
The SM15T39A-M3/9AT is used in various applications to protect sensitive electronics against voltage transients. These include:
- Consumer electronics
- Computer systems
- Industrial equipment
- Automotive systems
- Telecommunication devices
- Protection of ICs, MOSFETs, and signal lines of sensor units
Q & A
- What is the peak power dissipation of the SM15T39A-M3/9AT?
The peak power dissipation is 1500 W with a 10/1000 μs waveform. - What is the stand-off voltage (VWM) of this component?
The stand-off voltage (VWM) is 33.3 V. - What is the breakdown voltage (VBR) range for this TVS diode?
The breakdown voltage (VBR) range is 37.1 to 41.0 V. - What is the maximum clamping voltage (VC) for this component?
The maximum clamping voltage (VC) is 53.9 V for a 10/1000 μs waveform. - Is the SM15T39A-M3/9AT RoHS-compliant?
Yes, the SM15T39A-M3/9AT is RoHS-compliant and also available in halogen-free options. - What is the operating junction and storage temperature range for this component?
The operating junction and storage temperature range is -65 to +150 °C. - What package type does the SM15T39A-M3/9AT use?
The package type is SMC (DO-214AB). - Is the SM15T39A-M3/9AT suitable for automotive applications?
Yes, it is AEC-Q101 qualified for automotive applications. - What are the typical applications of the SM15T39A-M3/9AT?
It is used to protect sensitive electronics in consumer, computer, industrial, automotive, and telecommunication systems. - What is the failure mode of the SM15T39A-M3/9AT in an overstress condition?
In an overstress condition, the failure mode is a short circuit.
