Overview
The SM6T15AY is an automotive-grade Transient Voltage Suppressor (TVS) produced by STMicroelectronics. It 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. This component is particularly suited for high-end circuits requiring low leakage current and high junction temperature for long-term reliability and stability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power Dissipation (10/1000 µs) | 600 | W |
| Peak Pulse Power Dissipation (8/20 µs) | 4 kW | kW |
| Stand-off Voltage | 12.8 V | 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 | SMB | |
| Lead Finishing | Matte tin plating |
Key Features
- AEC-Q101 qualified for automotive applications.
- High power capability: up to 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.
- Operating junction temperature up to 150 °C.
- Compliance with ISO 7637-2 and ISO 10605 for surge and electrostatic discharge protection.
- Available in unidirectional and bidirectional types.
- UL94, V0 compliant and meets J-STD-020 MSL level 1.
- J-STD-002, JESD 22-B102 E3 and MIL-STD-750, method 2026 solderable matte tin plated leads.
- JESD-201 class 2 whisker test compliant.
Applications
The SM6T15AY is designed for use in automotive electronics to protect sensitive circuits from electrical surges and electrostatic discharges. It is suitable for various automotive applications, including:
- Engine control units
- Infotainment systems
- Safety systems (e.g., airbag, ABS)
- Body control modules
- Other high-reliability automotive electronic systems.
Q & A
- What is the peak pulse power dissipation of the SM6T15AY?
The peak pulse power dissipation is 600 W (10/1000 µs) and 4 kW (8/20 µs).
- What is the stand-off voltage of the SM6T15AY?
The stand-off voltage is 12.8 V.
- What is the operating junction temperature range of the SM6T15AY?
The operating junction temperature range is -55 to +150 °C.
- Is the SM6T15AY AEC-Q101 qualified?
- What type of package does the SM6T15AY come in?
The SM6T15AY comes in an SMB package.
- What is the leakage current at 25 °C and 85 °C?
The leakage current is 0.2 µA at 25 °C and 1 µA at 85 °C.
- Is the SM6T15AY compliant with ISO 7637-2 and ISO 10605?
- What is the maximum lead temperature for soldering?
The maximum lead temperature for soldering is 260 °C.
- Does the SM6T15AY meet J-STD-020 MSL level 1?
- What are some typical applications of the SM6T15AY in automotive electronics?
Typical applications include engine control units, infotainment systems, safety systems, and body control modules.
