Overview
The SMA6T39CAY is a high-performance Transil series component designed by STMicroelectronics, specifically tailored for automotive applications. This 600 W Transient Voltage Suppressor (TVS) is packaged in the SMA format and is engineered to protect sensitive automotive circuits against surges defined in ISO 7637-2 and electrostatic discharges according to ISO 10605. The device utilizes planar technology, ensuring compatibility with high-end circuits that require low leakage current and high junction temperature stability.
Key Specifications
| Symbol | Parameter | Value | Unit |
|---|---|---|---|
| VPP | Peak pulse voltage (ISO10605, C = 330 pF, R = 330 Ω) | 30 | 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 | 0.2 µA | µA |
| VBR at IBR | Breakdown voltage at IBR | 33.3 V (Typ.) | V |
| VCL | Clamping voltage | 53.9 V (Max.) | V |
| IPP | Peak pulse current | 11.1 A (Max.) | A |
| RD | Dynamic resistance | 1.16 Ω (Max.) | Ω |
Key Features
- High Surge Capability: The SMA6T39CAY can withstand peak pulse voltages up to 30 kV (air and contact discharge) and peak pulse power dissipation of 600 W.
- Automotive Compliance: Designed to meet the surge requirements defined in ISO 7637-2 and electrostatic discharge standards of ISO 10605.
- Planar Technology: Ensures low leakage current and high junction temperature stability, making it suitable for high-end automotive circuits.
- Compact SMA Package: The component is packaged in a small SMA format, ideal for space-constrained applications.
- Environmental Compliance: Available in ECOPACK packages, which meet various environmental standards.
Applications
- Automotive Electronics: Protects sensitive circuits in automotive systems against voltage surges and electrostatic discharges.
- Power Supplies: Used in power supply circuits to protect against transient voltages.
- Communication Systems: Protects communication equipment from voltage spikes and surges.
- Industrial Control Systems: Provides protection against transient voltages in industrial control and automation systems.
Q & A
- What is the peak pulse power dissipation of the SMA6T39CAY?
The peak pulse power dissipation is 600 W for a 10/1000 µs pulse duration.
- What are the operating and storage temperature ranges for the SMA6T39CAY?
The operating junction temperature range is -55 to +150 °C, and the storage temperature range is -65 to +150 °C.
- What is the maximum lead temperature for soldering?
The maximum lead temperature for soldering during 10 seconds is 260 °C.
- What are the key standards this component complies with?
The SMA6T39CAY complies with ISO 7637-2 for surge protection and ISO 10605 for electrostatic discharge protection.
- What is the breakdown voltage of the SMA6T39CAY?
The breakdown voltage (VBR) is typically 33.3 V.
- What is the clamping voltage of the SMA6T39CAY?
The clamping voltage (VCL) is up to 53.9 V.
- What is the dynamic resistance of the SMA6T39CAY?
The dynamic resistance (RD) is up to 1.16 Ω.
- What package type is the SMA6T39CAY available in?
The component is packaged in the SMA format.
- Is the SMA6T39CAY environmentally compliant?
Yes, it is available in ECOPACK packages that meet various environmental standards.
- What are some common applications of the SMA6T39CAY?
Common applications include automotive electronics, power supplies, communication systems, and industrial control systems.
