Overview
The SM15T12A is a Transient Voltage Suppressor (TVS) device from STMicroelectronics, designed to protect sensitive electronic equipment against electrostatic discharges and electrical overstress. This component is part of the SM15T TVS series, which complies with various international standards including IEC 61000-4-2, MIL STD 883 Method 3015, and IEC 61000-4-4 and 5. The SM15T12A is particularly suited for applications requiring high reliability and stability, especially in high-end equipment and Switch-Mode Power Supplies (SMPS).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power (10/1000 μs) | 1500 W | W |
| Peak Pulse Power (8/20 μs) | Up to 10 kW | kW |
| Stand-off Voltage (VRM) | 10.2 V | V |
| Operating Junction Temperature (Tjmax) | 150 °C | °C |
| Leakage Current at 25 °C | 0.2 µA | µA |
| Directionality | Unidirectional | |
| Package | SMC (DO-214AB) | |
| Lead Finishing | Matte tin plating |
Key Features
- High power capability: Up to 1500 W (10/1000 μs) and up to 10 kW (8/20 μs).
- Low leakage current: 0.2 µA at 25 °C.
- High operating junction temperature: Up to 150 °C.
- Available in unidirectional and bidirectional types.
- Low profile package: Ideal for automated placement and high-density designs.
- Compliance with various standards: IEC 61000-4-2, MIL STD 883 Method 3015, UL94 V0, J-STD-020 MSL level 1, and more.
- Lead finishing: Matte tin plating.
Applications
The SM15T12A is used in various applications to protect sensitive electronics against voltage transients. These include:
- Protection against voltage transients induced by inductive load switching and lightning in ICs, MOSFETs, and signal lines of sensor units.
- Consumer electronics: To safeguard against transient voltages that could damage sensitive components.
- Computer and industrial equipment: For robust protection against electrical overstress and electrostatic discharges.
- Automotive and telecommunication systems: Where high reliability and stability are crucial.
Q & A
- What is the peak pulse power of the SM15T12A?
The peak pulse power of the SM15T12A is 1500 W for a 10/1000 μs waveform and up to 10 kW for an 8/20 μs waveform.
- What is the stand-off voltage of the SM15T12A?
The stand-off voltage (VRM) of the SM15T12A is 10.2 V.
- What is the maximum operating junction temperature of the SM15T12A?
The maximum operating junction temperature (Tjmax) is 150 °C.
- What is the leakage current of the SM15T12A at 25 °C?
The leakage current at 25 °C is 0.2 µA.
- In what package is the SM15T12A available?
The SM15T12A is available in the SMC (DO-214AB) package.
- Is the SM15T12A available in both unidirectional and bidirectional types?
Yes, the SM15T series, including the SM15T12A, is available in both unidirectional and bidirectional types.
- What are some of the standards that the SM15T12A complies with?
The SM15T12A complies with standards such as IEC 61000-4-2, MIL STD 883 Method 3015, UL94 V0, J-STD-020 MSL level 1, and more.
- What is the lead finishing of the SM15T12A?
The lead finishing of the SM15T12A is matte tin plating.
- What are typical applications for the SM15T12A?
Typical applications include protection against voltage transients in ICs, MOSFETs, signal lines of sensor units, consumer electronics, computer and industrial equipment, automotive, and telecommunication systems.
- Is the SM15T12A AEC-Q101 qualified?
No specific information is provided for the SM15T12A being AEC-Q101 qualified, but other models in the series may have this qualification.
