Overview
The SM15T18AHM3_A/I is a Transient Voltage Suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is designed to protect sensitive electronic equipment from electrostatic discharges (ESD) and electrical overstress. It is part of the SM15T series, which is known for its high reliability and stability in various environmental conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Working Voltage | 15.3 V |
| Clamping Voltage | 25.2 V |
| Breakdown Voltage | 17.1 V |
| Peak Pulse Power | 1500 W (10/1000 μs), up to 10 kW (8/20 μs) |
| Operating Junction Temperature | -65°C to 150°C |
| Leakage Current | 0.2 µA at 25 °C |
| Package/Case | DO-214AB (SMC) |
| Mounting Type | Surface Mount |
| Qualification | AEC-Q101 (Automotive Grade) |
Key Features
- High peak pulse power capability: up to 1500 W (10/1000 μs) and up to 10 kW (8/20 μs)
- Low leakage current: 0.2 µA at 25 °C
- Wide operating junction temperature range: -65°C to 150°C
- Automotive grade qualification: AEC-Q101
- Surface mount package: DO-214AB (SMC)
- High reliability and stability in various environmental conditions
Applications
The SM15T18AHM3_A/I TVS diode is suitable for a variety of applications, including:
- Automotive systems: protecting against ESD and electrical overstress in automotive electronics.
- Industrial equipment: safeguarding sensitive components in industrial control systems and power supplies.
- Consumer electronics: providing protection against voltage surges and ESD in consumer devices.
- Power supplies and SMPS: ensuring reliability and stability in power management systems.
Q & A
- What is the primary function of the SM15T18AHM3_A/I TVS diode?
The primary function is to protect sensitive electronic equipment from electrostatic discharges (ESD) and electrical overstress. - What is the working voltage of the SM15T18AHM3_A/I?
The working voltage is 15.3 V. - What is the peak pulse power capability of the SM15T18AHM3_A/I?
The peak pulse power capability is up to 1500 W (10/1000 μs) and up to 10 kW (8/20 μs). - What is the operating junction temperature range of the SM15T18AHM3_A/I?
The operating junction temperature range is -65°C to 150°C. - What type of package does the SM15T18AHM3_A/I use?
The package type is DO-214AB (SMC), which is a surface mount package. - Is the SM15T18AHM3_A/I qualified for automotive applications?
Yes, it is qualified to AEC-Q101 standards for automotive applications. - What is the leakage current of the SM15T18AHM3_A/I at 25 °C?
The leakage current is 0.2 µA at 25 °C. - In what types of systems is the SM15T18AHM3_A/I commonly used?
It is commonly used in automotive systems, industrial equipment, consumer electronics, and power supplies. - What are the key features of the SM15T18AHM3_A/I that make it reliable?
Key features include high peak pulse power capability, low leakage current, and a wide operating junction temperature range. - Where can I find more detailed specifications for the SM15T18AHM3_A/I?
You can find detailed specifications on the official Vishay General Semiconductor website, as well as on distributor websites like Mouser and Digi-Key.
