Overview
The SM30T39CAY is a high-performance Transil™ device from STMicroelectronics, designed to protect sensitive automotive circuits against surges and electrostatic discharges. This component is part of the SM30TY series, which is engineered to meet the stringent requirements of automotive applications. The SM30T39CAY utilizes planar technology, ensuring low leakage current and high junction temperature tolerance, which are crucial for long-term reliability and stability in high-end circuits.
Key Specifications
| Symbol | Parameter | Value | Unit |
|---|---|---|---|
| VPP | Peak pulse voltage (ISO10605) | ±30 | kV |
| PPP | Peak pulse power dissipation (10/1000 µs) | 3000 | W |
| Tstg | Storage temperature range | -65 to +175 | °C |
| Tj | Operating junction temperature range | -55 to +175 | °C |
| TL | Maximum lead temperature for soldering during 10 s | 260 | °C |
| VBR | Breakdown voltage at IBR (1 mA) | 36.7 - 38.6 - 40.5 | V |
| VCL | Clamping voltage (8/20 µs) | 53.3 | V |
| IPP | Peak pulse current (8/20 µs) | 76 | A |
| RD | Dynamic resistance | 0.261 mΩ | mΩ |
Key Features
- High Surge Protection: Capable of withstanding peak pulse power of 3000 W (10/1000 µs) and up to 36 kW (8/20 µs).
- Electrostatic Discharge (ESD) Protection: Compliant with ISO 10605, exceeding level 4 with 30 kV air and contact discharge capabilities.
- Automotive Compliance: Designed to protect against surges defined in ISO 7637-2 and meets AEC-Q101 qualification standards.
- Planar Technology: Ensures low leakage current and high junction temperature tolerance, making it suitable for high-end circuits.
- Unidirectional and Bidirectional Types: Available in both unidirectional and bidirectional configurations to suit various application needs.
- Environmental Compliance: Packaged in SMC (JEDEC DO-214AB) with ECOPACK options for environmental compliance).
Applications
- Automotive Electronics: Protects sensitive circuits in automotive systems against voltage surges and ESD).
- High-Reliability Systems: Suitable for applications requiring high junction temperature tolerance and low leakage current, such as in aerospace, industrial, and medical devices.
- Power Supply Protection: Can be used to protect power supply lines and other critical components from transient voltage surges.
Q & A
- What is the peak pulse power dissipation of the SM30T39CAY?
The peak pulse power dissipation is 3000 W (10/1000 µs)).
- What are the ESD protection capabilities of the SM30T39CAY?
The device can withstand 30 kV air and contact discharge as per ISO 10605).
- What is the operating junction temperature range of the SM30T39CAY?
The operating junction temperature range is -55 to +175 °C).
- Is the SM30T39CAY compliant with automotive standards?
Yes, it is designed to protect against surges defined in ISO 7637-2 and meets AEC-Q101 qualification standards).
- What package type is the SM30T39CAY available in?
The device is packaged in SMC (JEDEC DO-214AB)).
- What is the breakdown voltage range of the SM30T39CAY?
The breakdown voltage range is 36.7 - 38.6 - 40.5 V).
- What is the clamping voltage of the SM30T39CAY?
The clamping voltage is 53.3 V (8/20 µs)).
- What is the dynamic resistance of the SM30T39CAY?
The dynamic resistance is 0.261 mΩ).
- Is the SM30T39CAY available in both unidirectional and bidirectional configurations?
Yes, it is available in both unidirectional and bidirectional types).
- What is the storage temperature range of the SM30T39CAY?
The storage temperature range is -65 to +175 °C).
