Overview
The SM15T200A is a Transient Voltage Suppressor (TVS) diode produced by STMicroelectronics. It is part of the SM15T TVS series designed to protect sensitive equipment against electrostatic discharges and electrical overstress. This component is particularly suited for applications requiring high reliability and stability, especially in high-end equipment and Switch-Mode Power Supplies (SMPS).
The SM15T200A features a planar technology that ensures low leakage current and high junction temperature capabilities, making it ideal for various industrial and automotive applications.
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 |
| Maximum Reverse Stand-off Voltage (VWM) | 171 | V |
| Low Leakage Current | 0.2 µA at 25 °C | µA |
| Operating Junction Temperature (TJ) | -55 to 150 °C | °C |
| Directionality | Unidirectional | |
| Package | SMC (DO-214AB) | |
| Lead Finishing | Matte tin plating | |
| Power Dissipation on Infinite Heatsink | 6.5 W at TA = 50 °C | W |
| Peak Forward Surge Current (10 ms single half sine-wave) | 200 A (unidirectional only) | A |
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.
- Available in unidirectional and bidirectional types.
- Low inductance and excellent clamping capability.
- Ideal for automated placement due to its low profile package.
- 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 SM15T200A is used in various applications to protect sensitive electronics against voltage transients. These include:
- Protection against inductive load switching and lightning-induced transients in consumer electronics.
- Protection of ICs, MOSFETs, and signal lines in computer and industrial equipment.
- Automotive applications, especially those requiring AEC-Q101 qualification.
- Telecommunication equipment where high reliability and stability are crucial.
Q & A
- What is the peak pulse power capability of the SM15T200A?
The SM15T200A has a peak pulse power capability of 1500 W with a 10/1000 μs waveform and up to 10 kW with an 8/20 μs waveform.
- What is the maximum operating junction temperature of the SM15T200A?
The maximum operating junction temperature is 150 °C.
- Is the SM15T200A available in both unidirectional and bidirectional types?
- What is the leakage current of the SM15T200A at 25 °C?
The leakage current is 0.2 µA at 25 °C.
- What package type does the SM15T200A use?
The SM15T200A is packaged in an SMC (DO-214AB) package.
- Is the SM15T200A RoHS-compliant?
- What are the typical applications of the SM15T200A?
The SM15T200A is typically used in consumer electronics, computer and industrial equipment, automotive systems, and telecommunication devices to protect against voltage transients.
- Does the SM15T200A meet any specific automotive standards?
- What is the power dissipation capability of the SM15T200A on an infinite heatsink?
The power dissipation capability is 6.5 W at TA = 50 °C.
- What is the peak forward surge current rating of the SM15T200A?
The peak forward surge current rating is 200 A for unidirectional types with a 10 ms single half sine-wave.
