Overview
The SM6T30AY is a high-performance Transil diode designed by STMicroelectronics for automotive applications. This component is part of the SM6TY series, which is engineered to protect sensitive automotive circuits against electrical surges and electrostatic discharges. The SM6T30AY utilizes planar technology, ensuring compatibility with high-end circuits that require low leakage current and high junction temperature for long-term reliability and stability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power | 600 W (10/1000 µs), 4 kW (8/20 µs) | W |
| Stand-off Voltage | 25.6 V | V |
| Leakage Current | 0.2 µA at 25 °C, 1 µA at 85 °C | µA |
| Operating Junction Temperature Range | -55 to 150 °C | °C |
| Storage Temperature Range | -65 to 150 °C | °C |
| Maximum Lead Temperature for Soldering | 260 °C (during 10 s) | °C |
| Package Type | SMB (JEDEC DO-214AA) | |
| Compliance Standards | ISO 10605, ISO 7637-2, UL94 V0, J-STD-020 MSL level 1 |
Key Features
- AEC-Q101 qualified for automotive applications.
- High peak pulse power capability: 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.
- Compliant with ISO 10605 and ISO 7637-2 standards for electrostatic discharges and electrical surges.
- Resin meets UL 94, V0, and leads are matte tin plated.
- JEDEC registered package outline and IPC 7531 footprint.
Applications
The SM6T30AY is designed to protect sensitive automotive circuits from electrical surges and electrostatic discharges. It is particularly useful in high-end automotive electronics where reliability and stability are crucial. Typical applications include:
- Protection of automotive electronic control units (ECUs).
- Surge protection in automotive power systems.
- Protection against electrostatic discharges in automotive wiring and connectors.
- Use in advanced driver-assistance systems (ADAS) and other safety-critical automotive systems.
Q & A
- What is the peak pulse power rating of the SM6T30AY?
The SM6T30AY has a peak pulse power rating of 600 W (10/1000 µs) and 4 kW (8/20 µs).
- What is the stand-off voltage of the SM6T30AY?
The stand-off voltage of the SM6T30AY is 25.6 V.
- What are the leakage current specifications for the SM6T30AY?
The leakage current is 0.2 µA at 25 °C and 1 µA at 85 °C.
- What is the operating junction temperature range for the SM6T30AY?
The operating junction temperature range is -55 to 150 °C.
- Is the SM6T30AY compliant with automotive standards?
Yes, the SM6T30AY is AEC-Q101 qualified and complies with ISO 10605 and ISO 7637-2 standards.
- What type of package does the SM6T30AY use?
The SM6T30AY is packaged in an SMB (JEDEC DO-214AA) package.
- What is the maximum lead temperature for soldering the SM6T30AY?
The maximum lead temperature for soldering is 260 °C for 10 seconds.
- Does the SM6T30AY meet UL94 V0 standards?
Yes, the resin of the SM6T30AY meets UL94 V0 standards.
- What are typical applications for the SM6T30AY?
Typical applications include protection of automotive ECUs, surge protection in automotive power systems, and protection against electrostatic discharges in automotive wiring and connectors.
- Is the SM6T30AY suitable for high-end automotive electronics?
Yes, the SM6T30AY is designed for high-end automotive electronics where low leakage current and high junction temperature are required for long-term reliability and stability.
