Overview
The SM15T100CA is a Transient Voltage Suppressor (TVS) device produced by STMicroelectronics. It is designed to protect sensitive equipment against electrostatic discharges and electrical overstress. This component is part of the SM15T TVS series, which is known for its high reliability and stability in various applications.
The SM15T100CA is particularly suited for protecting against surges below 1500 W with a 10/1000 μs waveform, making it ideal for use in high-end equipment and Switch-Mode Power Supplies (SMPS) where low leakage current and high junction temperature are critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power (10/1000 μs) | 1500 | W |
| Peak Pulse Power (8/20 μs) | Up to 10 kW | W |
| Stand-off Voltage Range | 5 V to 188 V | V |
| Directionality | Unidirectional and Bidirectional | |
| Leakage Current at 25 °C | 0.2 µA | µA |
| Operating Junction Temperature (Tj) | -55 to 150 °C | °C |
| Package | SMC (DO-214AB) | |
| Lead Finishing | Matte Tin Plating | |
| RoHS Compliance Grade | Ecopack2 |
Key Features
- High power capability: Up to 1500 W peak pulse power with a 10/1000 μs waveform and up to 10 kW with an 8/20 μs waveform.
- Low leakage current: 0.2 µA at 25 °C.
- High operating junction temperature: Up to 150 °C.
- Low profile package: Suitable for surface-mounted applications to optimize board space.
- Unidirectional and bidirectional types available.
- 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.
Applications
The SM15T100CA is used in various applications to protect sensitive electronics against voltage transients. These include:
- Protection against electrostatic discharges (ESD) and electrical overstress (EOS) in high-end equipment.
- Switch-Mode Power Supplies (SMPS) where low leakage current and high junction temperature are required.
- Industrial, consumer, computer, automotive, and telecommunication systems.
- Protection of ICs, MOSFETs, and signal lines of sensor units.
- Lightning-induced transient protection and switching transients induced by large coils or industrial motors.
Q & A
- What is the peak pulse power of the SM15T100CA?
The SM15T100CA has a peak pulse power of 1500 W with a 10/1000 μs waveform and up to 10 kW with an 8/20 μs waveform.
- What is the operating junction temperature range of the SM15T100CA?
The operating junction temperature range is -55 to 150 °C.
- What types of directionality are available for the SM15T100CA?
The SM15T100CA is available in both unidirectional and bidirectional types.
- What is the leakage current of the SM15T100CA at 25 °C?
The leakage current is 0.2 µA at 25 °C.
- What package type is used for the SM15T100CA?
The SM15T100CA uses an SMC (DO-214AB) package.
- Is the SM15T100CA RoHS compliant?
- What are some common applications of the SM15T100CA?
Common applications include protection in SMPS, industrial, consumer, computer, automotive, and telecommunication systems.
- Does the SM15T100CA meet any specific automotive standards?
- What is the maximum forward surge current for the SM15T100CA?
The maximum forward surge current is 200 A for a 10 ms single half sine-wave pulse.
- How does the SM15T100CA protect against transients?
The SM15T100CA protects against voltage transients induced by lightning, switching transients from large coils or industrial motors, and electrostatic discharges.
