Overview
The SM15T39A-E3/57T is a Transient Voltage Suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, known for its high reliability and robust protection against voltage transients. The SM15T39A-E3/57T is designed to protect sensitive electronics from voltage spikes and surges, making it an essential component in various electronic systems.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Stand-Off Voltage (VWM) | VWM | 33.3 | V |
| Breakdown Voltage (VBR) | VBR | 37.1 - 41.0 | V |
| Peak Pulse Power Capability | PPPM | 1500 | W |
| Peak Pulse Current (IPPM) | IPPM | 28 | A |
| Maximum Clamping Voltage (VC) | VC | 53.9 | V |
| Power Dissipation | PD | 6.5 | W |
| Peak Forward Surge Current (IFSM) | IFSM | 200 | A |
| Operating Junction Temperature | TJ | -65 to +150 | °C |
| Package Type | DO-214AB (SMCJ) |
Key Features
- Low profile package, ideal for automated placement
- Glass passivated chip junction for enhanced reliability
- 1500 W peak pulse power capability with a 10/1000 μs waveform
- Excellent clamping capability to protect against voltage transients
- Low inductance for better performance in high-frequency applications
- Meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C
- AEC-Q101 qualified for automotive applications
Applications
The SM15T39A-E3/57T is used in various applications to protect sensitive electronics against voltage transients. These include:
- Protection of ICs, MOSFETs, and signal lines in consumer electronics
- Industrial control systems and motor drives
- Automotive systems, including those requiring AEC-Q101 qualification
- Telecommunication equipment and networks
- Computer and computing peripherals
Q & A
- What is the primary function of the SM15T39A-E3/57T?
The primary function of the SM15T39A-E3/57T is to protect sensitive electronics from voltage transients and surges.
- What is the peak pulse power capability of the SM15T39A-E3/57T?
The peak pulse power capability is 1500 W with a 10/1000 μs waveform.
- What is the maximum clamping voltage of the SM15T39A-E3/57T?
The maximum clamping voltage is 53.9 V.
- What is the operating junction temperature range of the SM15T39A-E3/57T?
The operating junction temperature range is -65 to +150 °C.
- Is the SM15T39A-E3/57T AEC-Q101 qualified?
- What package type does the SM15T39A-E3/57T use?
The SM15T39A-E3/57T uses the DO-214AB (SMCJ) package type.
- What are some common applications of the SM15T39A-E3/57T?
- What is the power dissipation of the SM15T39A-E3/57T on an infinite heatsink at 50 °C?
The power dissipation is 6.5 W.
- What is the peak forward surge current of the SM15T39A-E3/57T?
The peak forward surge current is 200 A for a 10 ms single half sine-wave.
- Is the SM15T39A-E3/57T suitable for automated placement?
