Overview
The SM15T100A is a Transient Voltage Suppressor (TVS) device from STMicroelectronics, designed to protect sensitive equipment against electrostatic discharges and electrical overstress. This component is part of the SM15T TVS series, which is engineered to meet stringent standards such as IEC 61000-4-2, MIL STD 883 Method 3015, and IEC 61000-4-4 and 5. The SM15T100A 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 Range | 5 V to 188 V | V |
| Working Voltage (VWM) | 85.5 V | V |
| Breakdown Voltage (VBR) | 95 V | V |
| Clamping Voltage (VC) at IPPM (10/1000 μs) | 137 V | V |
| Leakage Current at 25 °C | 0.2 µA | µA |
| Operating Junction Temperature Range | -55 °C to 150 °C | °C |
| Package | SMC (DO-214AB) | |
| Directionality | Unidirectional |
Key Features
- High peak pulse 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: SMC (DO-214AB)
- Ideal for automated placement
- Glass passivated chip junction
- Excellent clamping capability and low inductance
- Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C
- AEC-Q101 qualified for automotive applications
- RoHS-compliant and halogen-free options available
Applications
The SM15T100A is used to protect sensitive electronics against voltage transients induced by various sources. Typical applications include:
- Protection against lightning-induced transients and conducted electrical overstress
- Protection of ICs, MOSFETs, and signal lines in consumer, computer, industrial, automotive, and telecommunication systems
- Protection against switching transients induced by large coils or industrial motors
Q & A
- What is the peak pulse power rating of the SM15T100A?
The SM15T100A has a peak pulse power rating of 1500 W for a 10/1000 μs waveform and up to 10 kW for an 8/20 μs waveform.
- What is the working voltage (VWM) of the SM15T100A?
The working voltage (VWM) of the SM15T100A is 85.5 V.
- What is the clamping voltage of the SM15T100A?
The clamping voltage (VC) at IPPM (10/1000 μs) for the SM15T100A is 137 V.
- What is the leakage current of the SM15T100A at 25 °C?
The leakage current at 25 °C for the SM15T100A is 0.2 µA.
- What is the operating junction temperature range of the SM15T100A?
The operating junction temperature range of the SM15T100A is -55 °C to 150 °C.
- In what package is the SM15T100A available?
The SM15T100A is available in the SMC (DO-214AB) package.
- Is the SM15T100A available in bidirectional types?
- Is the SM15T100A RoHS-compliant?
- What are the typical applications of the SM15T100A?
The SM15T100A is used to protect sensitive electronics against voltage transients in consumer, computer, industrial, automotive, and telecommunication systems.
- Is the SM15T100A AEC-Q101 qualified?
