Overview
The SM6T47CAY is a transient voltage suppressor (TVS) diode from STMicroelectronics, designed to protect sensitive automotive circuits against surges and electrostatic discharges. This component is part of the SM6TY series, which complies with automotive standards such as ISO 7637-2 and ISO 10605. The SM6T47CAY utilizes planar technology, making it suitable for high-end circuits that require low leakage current and high junction temperature for long-term reliability and stability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power | 600 W (10/1000 μs), 4 kW (8/20 μs) | W |
| Stand-off Voltage | 40 V | V |
| Clamping Voltage Max | 84 V | V |
| Minimum Breakdown Voltage | 44.4 V | V |
| Maximum Breakdown Voltage | 49 V | V |
| Leakage Current | 0.2 μA at 25 °C, 1 μA at 85 °C | μA |
| Operating Junction Temperature | -55 °C to 150 °C | °C |
| Package Type | DO-214AA (SMB) | |
| Number of Pins | 2 | |
| Mounting Type | Surface Mount | |
| Qualification | AEC-Q101 | |
| RoHS Compliance | Yes |
Key Features
- AEC-Q101 qualified for automotive applications.
- High peak pulse power: 600 W (10/1000 μs) and 4 kW (8/20 μs).
- Low leakage current: 0.2 μA at 25 °C and 1 μA at 85 °C.
- High operating junction temperature: up to 150 °C.
- High power capability at Tj max: up to 515 W (10/1000 μs).
- Unidirectional and bidirectional types available.
- Compliant with ISO 10605 and ISO 7637-2 standards for electrostatic discharges and surges.
- Lead finishing: matte tin plating.
- JEDEC registered package outline and IPC 7531 footprint.
Applications
The SM6T47CAY is designed to protect sensitive automotive circuits from various types of electrical surges and electrostatic discharges. It is particularly useful in applications such as:
- Automotive electronic systems (e.g., infotainment, navigation, and control systems).
- Protection against ISO 7637-2 defined surges.
- Protection against electrostatic discharges according to ISO 10605.
- High-end automotive circuits requiring low leakage current and high junction temperature stability.
Q & A
- What is the peak pulse power of the SM6T47CAY?
The peak pulse power of the SM6T47CAY is 600 W (10/1000 μs) and 4 kW (8/20 μs).
- What is the stand-off voltage of the SM6T47CAY?
The stand-off voltage of the SM6T47CAY is 40 V.
- What is the maximum clamping voltage of the SM6T47CAY?
The maximum clamping voltage of the SM6T47CAY is 84 V.
- What is the leakage current of the SM6T47CAY at different temperatures?
The leakage current is 0.2 μA at 25 °C and 1 μA at 85 °C.
- What is the operating junction temperature range of the SM6T47CAY?
The operating junction temperature range is -55 °C to 150 °C.
- What package type is the SM6T47CAY available in?
The SM6T47CAY is available in the DO-214AA (SMB) package type.
- Is the SM6T47CAY RoHS compliant?
Yes, the SM6T47CAY is RoHS compliant.
- What standards does the SM6T47CAY comply with?
The SM6T47CAY complies with ISO 10605, ISO 7637-2, and is AEC-Q101 qualified.
- What are the typical applications of the SM6T47CAY?
The SM6T47CAY is typically used in automotive electronic systems to protect against surges and electrostatic discharges.
- What is the lead finishing of the SM6T47CAY?
The lead finishing of the SM6T47CAY is matte tin plating.
