Overview
The SM6T56CAY is a high-performance Transil™ diode designed by STMicroelectronics for protecting sensitive automotive circuits against electrical surges and electrostatic discharges. This component is part of the SM6TY series, which is specifically engineered to meet the stringent requirements of automotive electronics as defined by ISO 7637-2 and ISO 10605 standards.
The SM6T56CAY is packaged in an SMB (Small Outline Non-leaded) footprint, complying with the JEDEC registered package outline and IPC 7531 standard. This device is AEC-Q101 qualified, ensuring its reliability and performance in harsh automotive environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power | 600 W (10/1000 µs), 4 kW (8/20 µs) | W, kW |
| Stand-off Voltage | 47.6 V | V |
| Leakage Current | 0.2 µA at 25 °C, 1 µA at 85 °C | µA |
| Operating Junction Temperature | -55 to 150 °C | °C |
| Storage Temperature Range | -65 to 150 °C | °C |
| Maximum Lead Temperature for Soldering | 260 °C (during 10 s) | °C |
| Compliance Standards | ISO 10605, ISO 7637-2, IEC 61000-4-2, IEC 61000-4-4 | - |
| Package Type | SMB (JEDEC DO-214AA) | - |
| Qualification | AEC-Q101 qualified | - |
Key Features
- High Power Capability: The SM6T56CAY offers peak pulse power of 600 W (10/1000 µs) and 4 kW (8/20 µs), ensuring robust protection against surges.
- Low Leakage Current: With a leakage current of 0.2 µA at 25 °C and 1 µA at 85 °C, this device minimizes power consumption in standby conditions.
- High Junction Temperature: The device can operate up to a junction temperature of 150 °C, making it suitable for high-temperature environments.
- Compliance with Standards: Complies with ISO 10605, ISO 7637-2, and IEC 61000-4-2 standards for electrostatic discharge and surge protection.
- Automotive Grade: AEC-Q101 qualified, ensuring reliability and performance in automotive applications.
- Package and Lead Finishing: Packaged in SMB footprint with matte tin plating, and JEDEC registered package outline.
Applications
The SM6T56CAY is designed for protecting sensitive automotive circuits, including those in engine control units, infotainment systems, and other electronic control modules. It is particularly useful in applications where high surge protection and low leakage current are critical.
- Automotive electronics protection
- Engine control units
- Infotainment systems
- Electronic control modules
- Surge protection in harsh environments
Q & A
- What is the peak pulse power of the SM6T56CAY?
The peak pulse power of the SM6T56CAY is 600 W (10/1000 µs) and 4 kW (8/20 µs).
- What is the stand-off voltage of the SM6T56CAY?
The stand-off voltage of the SM6T56CAY is 47.6 V.
- What are the operating and storage temperature ranges for the SM6T56CAY?
The operating junction temperature range is -55 to 150 °C, and the storage temperature range is -65 to 150 °C.
- Is the SM6T56CAY AEC-Q101 qualified?
- What package type is the SM6T56CAY available in?
The SM6T56CAY is packaged in an SMB (JEDEC DO-214AA) footprint.
- What standards does the SM6T56CAY comply with?
The SM6T56CAY complies with ISO 10605, ISO 7637-2, and IEC 61000-4-2 standards.
- What is the maximum lead temperature for soldering?
The maximum lead temperature for soldering during 10 seconds is 260 °C.
- What is the leakage current of the SM6T56CAY at different temperatures?
The leakage current is 0.2 µA at 25 °C and 1 µA at 85 °C.
- What are the typical applications of the SM6T56CAY?
The SM6T56CAY is typically used in automotive electronics, including engine control units, infotainment systems, and other electronic control modules.
- Does the SM6T56CAY have any special certifications or compliances?
- How does the SM6T56CAY protect against electrostatic discharges?
The SM6T56CAY protects against electrostatic discharges according to ISO 10605, withstanding up to 30 kV for both air and contact discharges.
