Overview
The SM15T75AY is a high-performance Transient Voltage Suppressor (TVS) diode designed by STMicroelectronics for automotive applications. This component is part of the SM15TxxAY series, which is engineered to protect sensitive automotive circuits against surges and electrostatic discharges. The SM15T75AY is AEC-Q101 qualified, ensuring it meets stringent automotive standards for reliability and performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power Dissipation (10/1000 µs) | 1500 | W |
| Peak Pulse Power Dissipation (8/20 µs) | 10 kW | W |
| Stand-off Voltage | 64.1 - 78.8 | V |
| Operating Junction Temperature Range | -55 to +150 | °C |
| Storage Temperature Range | -65 to +150 | °C |
| Maximum Lead Temperature for Soldering | 260 | °C |
| Leakage Current at 25 °C | 0.2 µA | µA |
| Leakage Current at 85 °C | 1 µA | µA |
| Package Type | SMC | |
| Package Weight | 0.25 g | g |
Key Features
- AEC-Q101 qualified for automotive applications.
- High peak pulse power dissipation: 1500 W (10/1000 µs) and 10 kW (8/20 µs).
- Low leakage current: 0.2 µA at 25 °C and 1 µA at 85 °C.
- Operating junction temperature up to 150 °C.
- Compliant with various standards including UL94 V0, J-STD-020 MSL level 1, and ISO10605.
- Available in unidirectional and bidirectional types.
- Lead finishing: matte tin plating.
Applications
The SM15T75AY is designed to protect sensitive automotive circuits against electrical surges and electrostatic discharges as defined in ISO 7637-2 and ISO 10605. It is suitable for use in high-end automotive electronics where low leakage current and high junction temperature are critical for long-term reliability and stability.
Q & A
- What is the peak pulse power dissipation of the SM15T75AY? The peak pulse power dissipation is 1500 W (10/1000 µs) and 10 kW (8/20 µs).
- What is the operating junction temperature range of the SM15T75AY? The operating junction temperature range is -55 to +150 °C.
- Is the SM15T75AY AEC-Q101 qualified? Yes, the SM15T75AY is AEC-Q101 qualified for automotive applications.
- What is the leakage current of the SM15T75AY at 25 °C and 85 °C? The leakage current is 0.2 µA at 25 °C and 1 µA at 85 °C.
- What package type is the SM15T75AY available in? The SM15T75AY is available in the SMC package type.
- What are the compliance standards for the SM15T75AY? The SM15T75AY complies with standards such as UL94 V0, J-STD-020 MSL level 1, and ISO10605.
- What is the maximum lead temperature for soldering the SM15T75AY? The maximum lead temperature for soldering is 260 °C.
- Is the SM15T75AY available in both unidirectional and bidirectional types? Yes, the SM15T75AY is available in both unidirectional and bidirectional types.
- What is the stand-off voltage range of the SM15T75AY? The stand-off voltage range is from 64.1 V to 78.8 V.
- What is the storage temperature range for the SM15T75AY? The storage temperature range is -65 to +150 °C.
