Overview
The SM6T18CAY is a high-performance Transient Voltage Suppressor (TVS) designed by STMicroelectronics for automotive applications. This component is part of the SM6TY series, which is engineered to protect sensitive automotive circuits against surges defined in ISO 7637-2 and electrostatic discharges according to ISO 10605. The SM6T18CAY features a peak pulse power of 600 W (10/1000 μs) and 4 kW (8/20 μs), making it highly reliable for high-end automotive electronics.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power Dissipation (10/1000 μs) | 600 | W |
| Peak Pulse Power Dissipation (8/20 μs) | 4 kW | kW |
| Stand-off Voltage | 15.3 V | V |
| Operating Junction Temperature Range | -55 to +150 | °C |
| Storage Temperature Range | -65 to +150 | °C |
| Maximum Lead Temperature for Soldering | 260 | °C |
| Leakage Current at 25 °C | 0.2 μA | μA |
| Leakage Current at 85 °C | 1 μA | μA |
| Compliance Standards | UL94 V0, J-STD-020 MSL level 1, J-STD-002, JESD 22-B102 E3, MIL-STD-750 method 2026, IEC 61000-4-4 level 4, ISO10605, ISO7637-2 |
Key Features
- AEC-Q101 Qualified: Ensures the component meets stringent automotive standards.
- High Peak Pulse Power: 600 W (10/1000 μs) and 4 kW (8/20 μs) for robust surge protection.
- Low Leakage Current: 0.2 μA at 25 °C and 1 μA at 85 °C, minimizing power consumption.
- High Operating Junction Temperature: Up to 150 °C for reliability in harsh environments.
- Unidirectional and Bidirectional Types: Available to suit different circuit protection needs.
- Compliance with Multiple Standards: Meets UL94 V0, J-STD-020, J-STD-002, and other relevant standards.
- ECOPACK Packaging: Environmentally friendly packaging options available.
Applications
The SM6T18CAY is designed for use in automotive electronics, particularly in systems that require protection against electrical surges and electrostatic discharges. Common applications include:
- Automotive control units and sensors.
- Infotainment and navigation systems.
- Powertrain and engine control systems.
- Advanced driver-assistance systems (ADAS).
- Other sensitive electronic circuits in vehicles.
Q & A
- What is the peak pulse power dissipation of the SM6T18CAY?
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 SM6T18CAY?
The stand-off voltage is 15.3 V.
- What are the operating and storage temperature ranges for the SM6T18CAY?
The operating junction temperature range is -55 to +150 °C, and the storage temperature range is -65 to +150 °C.
- Is the SM6T18CAY AEC-Q101 qualified?
Yes, the SM6T18CAY is AEC-Q101 qualified.
- What types of TVS are available in the SM6TY series?
Both unidirectional and bidirectional types are available.
- What are the compliance standards for the SM6T18CAY?
The component complies with UL94 V0, J-STD-020 MSL level 1, J-STD-002, JESD 22-B102 E3, MIL-STD-750 method 2026, IEC 61000-4-4 level 4, ISO10605, and ISO7637-2.
- What is the maximum lead temperature for soldering?
The maximum lead temperature for soldering is 260 °C.
- What is the leakage current at 25 °C and 85 °C?
The leakage current is 0.2 μA at 25 °C and 1 μA at 85 °C.
- What kind of packaging is available for the SM6T18CAY?
The component is available in ECOPACK packaging, which is environmentally friendly.
- What are common applications for the SM6T18CAY?
Common applications include automotive control units, infotainment systems, powertrain control systems, ADAS, and other sensitive electronic circuits in vehicles.
