Overview
The SM30T23AY is a part of the SM30TY series of Transil™ devices manufactured by STMicroelectronics. These components are designed to protect sensitive automotive circuits against surges defined in ISO 7637-2 and electrostatic discharges according to ISO 10605. The SM30T23AY utilizes planar technology, making it compatible with 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 Voltage (VPP) | ±30 | kV (ISO10605, C = 330 pF, R = 330 Ω) |
| Peak Pulse Power Dissipation (PPP) | 3000 | W (10/1000 µs) |
| Storage Temperature Range (Tstg) | -65 to +175 | °C |
| Operating Junction Temperature Range (Tj) | -55 to +175 | °C |
| Maximum Lead Temperature for Soldering (TL) | 260 | °C (during 10 s) |
| Stand-off Voltage (VRM) | 23 | V |
| Breakdown Voltage (VBR) at IBR (1 mA) | 25.3 - 26.9 | V |
| Clamping Voltage (VCL) at IPP (8/20 µs) | 34.3 - 36.9 | V |
| Leakage Current (IRM) at VRM | 0.2 µA | µA |
Key Features
- Peak pulse power dissipation of 3000 W (10/1000 µs) and up to 36 kW (8/20 µs)
- Unidirectional and bidirectional types available
- Operating junction temperature up to 175 °C
- Compliance with ISO 10605 and ISO 7637-2 standards for electrostatic discharges and surges
- JEDEC registered SMC package outline
- Resin meets UL 94, V0 standards
- AEC-Q101 qualified for automotive applications
Applications
The SM30T23AY is primarily used in automotive applications to protect sensitive circuits against electrical surges and electrostatic discharges. It is suitable for use in various automotive systems, including infotainment, safety systems, and other high-reliability applications where protection against transient voltages is crucial.
Q & A
- What is the primary function of the SM30T23AY?
The SM30T23AY is designed to protect sensitive automotive circuits against electrical surges and electrostatic discharges.
- What are the peak pulse voltage ratings for the SM30T23AY?
The SM30T23AY has a peak pulse voltage rating of ±30 kV for both contact and air discharges according to ISO 10605.
- What is the maximum peak pulse power dissipation of the SM30T23AY?
The maximum peak pulse power dissipation is 3000 W for a 10/1000 µs pulse.
- What is the operating junction temperature range of the SM30T23AY?
The operating junction temperature range is -55 to +175 °C.
- Is the SM30T23AY AEC-Q101 qualified?
- What package type is used for the SM30T23AY?
The SM30T23AY is packaged in a JEDEC registered SMC (DO-214AB) package.
- What are the storage temperature range and maximum lead temperature for soldering?
The storage temperature range is -65 to +175 °C, and the maximum lead temperature for soldering during 10 s is 260 °C.
- Does the SM30T23AY meet any specific standards for electrostatic discharges?
- What is the stand-off voltage (VRM) for the SM30T23AY?
The stand-off voltage (VRM) is 23 V.
- What is the typical breakdown voltage (VBR) at 1 mA for the SM30T23AY?
The typical breakdown voltage (VBR) at 1 mA is between 25.3 and 26.9 V.
