Overview
The SM15T7V5A is a Transient Voltage Suppressor (TVS) diode from STMicroelectronics, designed to protect sensitive electronic 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 SM15T7V5A 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 |
| 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 | |
| Low Leakage Current | 0.2 µA at 25 °C | µA |
| Operating Junction Temperature Range | -55 to 150 °C | °C |
| Maximum Junction Temperature | 150 °C | °C |
| Lead Finishing | Matte tin plating | |
| Package | SMC (DO-214AB) | |
| RoHS Compliance | 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.
- Available in unidirectional and bidirectional types.
- Low inductance and excellent clamping capability.
- Meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C.
- AEC-Q101 qualified for automotive applications.
- Lead finishing: Matte tin plated leads, solderable per J-STD-002 and JESD 22-B102.
Applications
The SM15T7V5A is used to protect sensitive electronics against voltage transients induced by inductive load switching, lightning, and other electrical overstress conditions. Typical applications include:
- Consumer electronics
- Computer systems
- Industrial equipment
- Automotive systems
- Telecommunication devices
- Protection of ICs, MOSFETs, and signal lines in sensor units.
Q & A
- What is the peak pulse power capability of the SM15T7V5A?
The SM15T7V5A 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 are the operating junction temperature limits for the SM15T7V5A?
The operating junction temperature range is from -55 °C to 150 °C. - Is the SM15T7V5A available in both unidirectional and bidirectional types?
Yes, the SM15T7V5A is available in both unidirectional and bidirectional configurations. - What is the leakage current of the SM15T7V5A at 25 °C?
The leakage current is 0.2 µA at 25 °C. - What is the package type of the SM15T7V5A?
The SM15T7V5A comes in an SMC (DO-214AB) package. - Is the SM15T7V5A RoHS compliant?
Yes, the SM15T7V5A is RoHS compliant and meets the Ecopack2 standards. - What are the typical applications of the SM15T7V5A?
The SM15T7V5A is used in consumer electronics, computer systems, industrial equipment, automotive systems, and telecommunication devices to protect against voltage transients. - Does the SM15T7V5A meet automotive standards?
Yes, the SM15T7V5A is AEC-Q101 qualified for automotive applications. - What is the lead finishing of the SM15T7V5A?
The leads are finished with matte tin plating and are solderable per J-STD-002 and JESD 22-B102. - What is the maximum junction temperature for the SM15T7V5A?
The maximum junction temperature is 150 °C.
