Overview
The SM15T30CAY is a high-performance Transient Voltage Suppressor (TVS) designed by STMicroelectronics for automotive applications. This component is part of the SM15TY series, which is engineered to protect sensitive automotive circuits against surges defined in ISO 7637-2 and electrostatic discharges according to ISO 10605. The SM15T30CAY features a stand-off voltage of 25.6 V and is available in an SMC package, making it compatible with high-end circuits requiring low leakage current and high junction temperature for long-term reliability and stability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Stand-off Voltage (V_RWM) | 25.6 | V |
| Peak Pulse Power Dissipation (10/1000 µs) | 1500 | W |
| Peak Pulse Power Dissipation (8/20 µs) | 10 kW | W |
| Maximum Junction Temperature (T_j) | -55 to +150 | °C |
| Maximum Lead Temperature for Soldering | 260 | °C |
| Leakage Current at 25 °C | 0.2 | µA |
| Leakage Current at 85 °C | 1 | µA |
| Package Type | SMC | |
| Compliance Standards | UL94 V0, J-STD-020 MSL level 1, JESD 22-B102 E3, MIL-STD-750 method 2026, IEC 61000-4-4 level 4, ISO10605, ISO7637-2 |
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 range: -55 to +150 °C.
- High power capability at T_j max: up to 1250 W (10/1000 µs).
- Lead finishing: matte tin plating.
- Compliance with various standards including UL94 V0, J-STD-020, JESD 22-B102 E3, MIL-STD-750, IEC 61000-4-4 level 4, ISO10605, and ISO7637-2.
- Planar technology for compatibility with high-end circuits.
Applications
The SM15T30CAY is designed for use in automotive electronics to protect against electrical surges and electrostatic discharges. It is particularly suitable for applications requiring high reliability and stability, such as:
- Automotive control units and sensors.
- Infotainment systems.
- Powertrain and safety systems.
- Other sensitive electronic circuits in vehicles.
Q & A
- What is the stand-off voltage of the SM15T30CAY?
The stand-off voltage of the SM15T30CAY is 25.6 V.
- What is the peak pulse power dissipation of the SM15T30CAY?
The peak pulse power dissipation is 1500 W (10/1000 µs) and 10 kW (8/20 µs).
- What are the operating junction temperature limits of the SM15T30CAY?
The operating junction temperature range is -55 to +150 °C.
- What is the leakage current of the SM15T30CAY at 25 °C and 85 °C?
The leakage current is 0.2 µA at 25 °C and 1 µA at 85 °C.
- Is the SM15T30CAY AEC-Q101 qualified?
Yes, the SM15T30CAY is AEC-Q101 qualified for automotive applications.
- What package type is the SM15T30CAY available in?
The SM15T30CAY is available in an SMC package.
- What standards does the SM15T30CAY comply with?
The SM15T30CAY complies with standards such as UL94 V0, J-STD-020 MSL level 1, JESD 22-B102 E3, MIL-STD-750 method 2026, IEC 61000-4-4 level 4, ISO10605, and ISO7637-2.
- What is the maximum lead temperature for soldering?
The maximum lead temperature for soldering is 260 °C.
- What technology is used in the SM15T30CAY?
The SM15T30CAY uses planar technology for high-end circuit compatibility.
- What are some typical applications of the SM15T30CAY?
Typical applications include automotive control units, infotainment systems, powertrain and safety systems, and other sensitive electronic circuits in vehicles.
