Overview
The SMA6T6V7AY is a part of the SMA6TY Transil series designed by STMicroelectronics. This component is an automotive-grade Transient Voltage Suppressor (TVS) packaged in an SMA (Surface Mount Assembly) package. It is engineered to protect sensitive automotive circuits against surges defined in ISO 7637-2 and electrostatic discharges according to ISO 10605. The SMA6T6V7AY utilizes planar technology, ensuring compatibility with high-end circuits that require low leakage current and high junction temperature for reliability and stability over time.
Key Specifications
| Symbol | Parameter | Value | Unit |
|---|---|---|---|
| VPP | Peak pulse voltage (ISO10605) | 30 kV (contact and air discharge) | kV |
| PPP | Peak pulse power dissipation (10/1000 µs, Tj initial = Tamb) | 600 | W |
| Tj | Operating junction temperature range | -55 to +150 | °C |
| Tstg | Storage temperature range | -65 to +150 | °C |
| TL | Maximum lead temperature for soldering during 10 s | 260 | °C |
| IRM max at VRM | Maximum leakage current at VRM | 20 µA | µA |
| VBR at IBR | Breakdown voltage at IBR | 5.00 V (min), 6.40 V (typ), 6.70 V (max) | V |
| VCL | Clamping voltage | 9.10 V (max at 25 °C) | V |
| IPP | Peak pulse current | 68.0 A (max at 25 °C) | A |
| RD | Dynamic resistance | 0.029 Ω (max at 25 °C) | Ω |
Key Features
- Automotive Grade: Designed to meet the stringent requirements of automotive applications, including compliance with ISO 7637-2 and ISO 10605 standards.
- High Surge Capability: Capable of withstanding peak pulse voltages up to 30 kV and peak pulse power dissipation of 600 W.
- Low Leakage Current: Ensures minimal current leakage, which is crucial for high-end circuits requiring low power consumption.
- High Junction Temperature: Operates reliably over a wide temperature range from -55°C to +150°C.
- Planar Technology: Enhances the device's performance and reliability in high-end circuits.
- SMA Package: Surface mount package for easy integration into modern PCB designs.
Applications
- Automotive Electronics: Protects sensitive circuits in automotive systems, including infotainment, navigation, and safety systems.
- Industrial Control Systems: Suitable for protecting against surges and ESD in industrial control and automation systems.
- Consumer Electronics: Can be used in consumer electronics to protect against voltage spikes and electrostatic discharges.
- Aerospace and Defense: Meets the rigorous standards required for aerospace and defense applications.
Q & A
- What is the SMA6T6V7AY used for?
The SMA6T6V7AY is used to protect sensitive automotive circuits against surges and electrostatic discharges.
- What are the key standards it complies with?
It complies with ISO 7637-2 for surges and ISO 10605 for electrostatic discharges.
- What is the peak pulse power dissipation of the SMA6T6V7AY?
The peak pulse power dissipation is 600 W.
- What is the operating junction temperature range of the SMA6T6V7AY?
The operating junction temperature range is from -55°C to +150°C.
- What package type is the SMA6T6V7AY available in?
The SMA6T6V7AY is available in an SMA (Surface Mount Assembly) package.
- What is the maximum leakage current at VRM for the SMA6T6V7AY?
The maximum leakage current at VRM is 20 µA.
- What is the breakdown voltage at IBR for the SMA6T6V7AY?
The breakdown voltage at IBR is 5.00 V (min), 6.40 V (typ), and 6.70 V (max).
- What is the clamping voltage of the SMA6T6V7AY?
The clamping voltage is 9.10 V (max at 25 °C).
- What are some common applications of the SMA6T6V7AY?
Common applications include automotive electronics, industrial control systems, consumer electronics, and aerospace and defense systems.
- How does the SMA6T6V7AY handle high junction temperatures?
The SMA6T6V7AY is designed to operate reliably over a wide temperature range, ensuring stability and performance even at high junction temperatures.
