Overview
The SM6T15CAY is an automotive-grade Transient Voltage Suppressor (TVS) diode produced by STMicroelectronics. This component is part of the SM6TY series, designed to protect sensitive automotive circuits against surges defined in ISO 7637-2 and electrostatic discharges according to ISO 10605. The SM6T15CAY features a stand-off voltage of 12.8 V and is AEC-Q101 qualified, ensuring high reliability and stability in harsh automotive environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Stand-off Voltage (VRM) | 12.8 | V |
| Peak Pulse Power Dissipation (10/1000 µs) | 600 | W |
| Peak Pulse Power Dissipation (8/20 µs) | 4 kW | kW |
| Leakage Current at 25 °C | 0.2 | µA |
| Operating Junction Temperature Range | -55 to +150 | °C |
| Storage Temperature Range | -65 to +150 | °C |
| Maximum Lead Temperature for Soldering | 260 | °C |
| Package Type | SMB | |
| Lead Finishing | Matte Tin Plating |
Key Features
- AEC-Q101 qualified for automotive applications.
- High peak pulse power dissipation: 600 W (10/1000 µs) and 4 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.
- Compliance with various standards: UL94 V0, J-STD-020 MSL level 1, J-STD-002, JESD 22-B102 E3, and MIL-STD-750 method 2026.
- Protection against electrostatic discharges: exceeds level 4 of IEC 61000-4-2 and ISO 10605.
- Planar technology for compatibility with high-end circuits.
Applications
The SM6T15CAY is designed for use in automotive systems to protect sensitive circuits from voltage surges and electrostatic discharges. It is particularly suited for applications such as:
- Automotive electronic control units (ECUs).
- Sensor and actuator protection.
- Infotainment and navigation systems.
- Powertrain and body electronics.
Q & A
- What is the stand-off voltage of the SM6T15CAY?
The stand-off voltage of the SM6T15CAY is 12.8 V.
- What is the peak pulse power dissipation of the SM6T15CAY?
The peak pulse power dissipation is 600 W (10/1000 µs) and 4 kW (8/20 µs).
- Is the SM6T15CAY AEC-Q101 qualified?
Yes, the SM6T15CAY is AEC-Q101 qualified.
- What is the operating junction temperature range of the SM6T15CAY?
The operating junction temperature range is -55 to +150 °C.
- What standards does the SM6T15CAY comply with?
The SM6T15CAY complies with standards such as UL94 V0, J-STD-020 MSL level 1, J-STD-002, JESD 22-B102 E3, and MIL-STD-750 method 2026.
- What type of package does the SM6T15CAY come in?
The SM6T15CAY comes in an SMB package.
- What is the maximum lead temperature for soldering?
The maximum lead temperature for soldering is 260 °C.
- Does the SM6T15CAY protect against electrostatic discharges?
Yes, it exceeds level 4 of IEC 61000-4-2 and ISO 10605 for electrostatic discharge protection.
- What technology is used in the SM6T15CAY?
The SM6T15CAY uses Planar technology for compatibility with high-end circuits.
- What are some common applications of the SM6T15CAY?
Common applications include automotive electronic control units (ECUs), sensor and actuator protection, infotainment and navigation systems, and powertrain and body electronics.
