Overview
The SM15T15A is a Transient Voltage Suppressor (TVS) diode produced by STMicroelectronics. It is designed to protect sensitive equipment against electrostatic discharges and electrical overstress. The device complies with various international standards, including IEC 61000-4-2, MIL STD 883 Method 3015, and IEC 61000-4-4 and 5. This TVS diode is particularly suited for high-end equipment and Switch-Mode Power Supplies (SMPS) where low leakage current and high junction temperature are crucial for reliability and stability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power Dissipation (10/1000 µs) | 1500 | W |
| Peak Pulse Power Dissipation (8/20 µs) | up to 10 kW | |
| Maximum Reverse Stand-off Voltage | 12.8 | V |
| Minimum Breakdown Voltage | 14.3 | V |
| Maximum Clamping Voltage | 27.2 | V |
| Maximum Peak Pulse Current | 368 | A |
| Low Leakage Current at 25 °C | 0.2 µA | |
| Operating Junction Temperature Range | -55 to +150 | °C |
| Package Type | SMC | |
| Dimensions | 7.15 x 6.25 x 2.45 mm | |
| Directionality | Uni-Directional |
Key Features
- High peak pulse power dissipation: 1500 W (10/1000 µs) and up to 10 kW (8/20 µs).
- Low leakage current: 0.2 µA at 25 °C and 1 µA at 85 °C.
- High operating junction temperature: up to 150 °C.
- Unidirectional and bidirectional types available.
- Compliance with IEC 61000-4-2, MIL STD 883 Method 3015, and IEC 61000-4-4 and 5 standards.
- Planar technology for high reliability and stability in high-end equipment and SMPS.
- JEDEC registered package outline and IPC 7531 footprint.
- RoHS compliant and meets UL 94, V0 resin standards.
Applications
The SM15T15A TVS diode is designed for use in various applications where protection against electrostatic discharges and electrical overstress is critical. These include:
- High-end electronic equipment requiring low leakage current and high junction temperature stability.
- Switch-Mode Power Supplies (SMPS) where reliability and stability are paramount.
- Industrial and commercial systems susceptible to transient voltages.
- Automotive and aerospace applications where compliance with stringent standards is necessary.
Q & A
- What is the peak pulse power dissipation of the SM15T15A? The peak pulse power dissipation is 1500 W (10/1000 µs) and up to 10 kW (8/20 µs).
- What is the maximum reverse stand-off voltage of the SM15T15A? The maximum reverse stand-off voltage is 12.8 V.
- What is the operating junction temperature range of the SM15T15A? The operating junction temperature range is -55 to +150 °C.
- Is the SM15T15A RoHS compliant? Yes, the SM15T15A is RoHS compliant and meets the Ecopack2 standards.
- What package type is the SM15T15A available in? The SM15T15A is available in the SMC package type.
- What are the dimensions of the SM15T15A? The dimensions are 7.15 x 6.25 x 2.45 mm.
- Is the SM15T15A unidirectional or bidirectional? The SM15T15A is available in unidirectional types.
- What standards does the SM15T15A comply with? The SM15T15A complies with IEC 61000-4-2, MIL STD 883 Method 3015, and IEC 61000-4-4 and 5 standards.
- What is the maximum peak pulse current of the SM15T15A? The maximum peak pulse current is 368 A.
- What is the low leakage current of the SM15T15A at 25 °C? The low leakage current is 0.2 µA at 25 °C.
