Overview
The SMA6T28CAY is a part of the SMA6TY Transil series from STMicroelectronics, designed to protect sensitive automotive circuits against surges and electrostatic discharges. This component is specifically engineered to meet the stringent requirements of automotive applications, ensuring reliability and stability over time. The SMA6T28CAY is packaged in the SMA (DO-214AC) package and is AEC-Q101 qualified, making it suitable for high-end automotive circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power Dissipation | 600 W (10/1000 μs), 4 kW (8/20 μs) | W |
| Stand-off Voltage | 28 V | V |
| Breakdown Voltage (VBR) at 25 °C | 26.7 - 29.5 V | V |
| Maximum Clamping Voltage (VCL) at 25 °C | 37.8 V | V |
| Leakage Current at 25 °C | 0.2 μA | 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 (10 s) | °C |
| Package Type | SMA (DO-214AC) | |
| Lead Finishing | Matte tin plating |
Key Features
- AEC-Q101 Qualified: Ensures compliance with automotive standards for reliability and performance.
- High Peak Pulse Power: 600 W (10/1000 μs) and 4 kW (8/20 μs) to protect against high-energy surges.
- Low Leakage Current: 0.2 μA at 25 °C and 1 μA at 85 °C, minimizing power consumption.
- High Junction Temperature: Operating junction temperature range of -55 to +150 °C for robust performance in extreme conditions.
- Compliance with Standards: Meets UL94 V0, J-STD-020 MSL level 1, and other industry standards for safety and reliability.
- ESD Protection: Exceeds level 4 of ISO 10605 and IEC 61000-4-2, providing robust protection against electrostatic discharges.
- Automotive Surge Protection: Designed to protect against surges defined in ISO 7637-2.
Applications
The SMA6T28CAY is primarily used in automotive applications to protect sensitive electronic circuits from voltage surges and electrostatic discharges. Specific use cases include:
- Automotive control units and sensors.
- Infotainment systems and navigation units.
- Powertrain and engine control systems.
- Advanced driver-assistance systems (ADAS).
- Other high-reliability automotive electronic systems.
Q & A
- What is the peak pulse power dissipation of the SMA6T28CAY?
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 SMA6T28CAY?
The stand-off voltage is 28 V.
- What is the maximum clamping voltage at 25 °C for the SMA6T28CAY?
The maximum clamping voltage at 25 °C is 37.8 V.
- What is the leakage current at 25 °C for the SMA6T28CAY?
The leakage current at 25 °C is 0.2 μA.
- What is the operating junction temperature range of the SMA6T28CAY?
The operating junction temperature range is -55 to +150 °C.
- Is the SMA6T28CAY AEC-Q101 qualified?
Yes, the SMA6T28CAY is AEC-Q101 qualified.
- What package type is the SMA6T28CAY available in?
The SMA6T28CAY is available in the SMA (DO-214AC) package.
- What are the key standards that the SMA6T28CAY complies with?
The SMA6T28CAY complies with UL94 V0, J-STD-020 MSL level 1, and other industry standards.
- How does the SMA6T28CAY protect against electrostatic discharges?
The SMA6T28CAY exceeds level 4 of ISO 10605 and IEC 61000-4-2, providing robust protection against electrostatic discharges.
- What are some typical applications of the SMA6T28CAY in the automotive sector?
Typical applications include automotive control units, infotainment systems, powertrain and engine control systems, and advanced driver-assistance systems (ADAS).
