Overview
The SM15T33CAY is a high-performance Transient Voltage Suppressor (TVS) designed by STMicroelectronics for the protection of sensitive automotive circuits. This component is part of the SM15TY series, which is engineered to withstand surges defined in ISO 7637-2 and electrostatic discharges according to ISO 10605. The SM15T33CAY features a stand-off voltage of 28.2 V and is AEC-Q101 qualified, ensuring reliability and stability in high-end automotive applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power (10/1000 µs) | 1500 | W |
| Peak Pulse Power (8/20 µs) | 10 kW | W |
| Stand-off Voltage | 28.2 | V |
| Operating Junction Temperature Range | -55 to +150 | °C |
| Maximum Lead Temperature for Soldering | 260 | °C |
| Storage Temperature Range | -65 to +150 | °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 |
Key Features
- AEC-Q101 qualified for automotive reliability
- 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
- Compliance with ISO 7637-2 and ISO 10605 for surge and electrostatic discharge protection
- Unidirectional and bidirectional types available
- Lead finishing: matte tin plating
- Compliant with various standards including UL94 V0, J-STD-020, and JESD 22-B102 E3
Applications
The SM15T33CAY is designed for the protection of sensitive automotive circuits, including those in engine control units, infotainment systems, and other high-end automotive electronics. It is particularly useful in environments where electrical surges and electrostatic discharges are common, ensuring the long-term reliability and stability of the protected circuits.
Q & A
- What is the peak pulse power of the SM15T33CAY? The peak pulse power of the SM15T33CAY is 1500 W (10/1000 µs) and 10 kW (8/20 µs).
- What is the stand-off voltage of the SM15T33CAY? The stand-off voltage of the SM15T33CAY is 28.2 V.
- Is the SM15T33CAY AEC-Q101 qualified? Yes, the SM15T33CAY is AEC-Q101 qualified, ensuring its reliability in automotive applications.
- What is the maximum operating junction temperature of the SM15T33CAY? The maximum operating junction temperature is 150 °C.
- What are the compliance standards for the SM15T33CAY? The SM15T33CAY complies with standards such as UL94 V0, J-STD-020 MSL level 1, JESD 22-B102 E3, and MIL-STD-750 method 2026.
- What is the leakage current of the SM15T33CAY at 25 °C and 85 °C? The leakage current is 0.2 µA at 25 °C and 1 µA at 85 °C.
- What type of package does the SM15T33CAY come in? The SM15T33CAY comes in an SMC package.
- What are the typical applications of the SM15T33CAY? The SM15T33CAY is used to protect sensitive automotive circuits, including engine control units and infotainment systems.
- Does the SM15T33CAY protect against electrostatic discharges? Yes, the SM15T33CAY protects against electrostatic discharges according to ISO 10605.
- What is the maximum lead temperature for soldering the SM15T33CAY? The maximum lead temperature for soldering is 260 °C.
