Overview
The SM15T18AHM3/I is a TransZorb® TVS (Transient Voltage Suppressor) diode produced by Vishay General Semiconductor - Diodes Division. This component is designed to protect sensitive electronic equipment from electrostatic discharges and electrical overstress. It is part of the SM15T series, which is known for its high reliability and stability in various applications, particularly in the automotive sector where it meets AEC-Q101 standards.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Vishay General Semiconductor - Diodes Division |
| Series | Automotive, AEC-Q101, SM15T, TransZorb® |
| Package | Tape & Reel (TR), DO-214AB (SMC) |
| Type | Zener (TVS) |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 15.3V |
| Voltage - Breakdown (Min) | 17.1V |
| Voltage - Clamping (Max) @ Ipp | 25.2V |
| Current - Peak Pulse (10/1000µs) | 59.5A |
| Power - Peak Pulse | 1500W (1.5kW) |
| Operating Temperature | -65°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Key Features
- High Peak Pulse Power: Up to 1500 W (10/1000 μs) and up to 10 kW (8/20 μs) for robust protection against surges.
- Low Leakage Current: 0.2 µA at 25 °C, ensuring minimal impact on the system's power consumption.
- High Junction Temperature: Operating junction temperature up to 150 °C, making it suitable for high-temperature applications.
- Surface Mount Package: DO-214AB (SMC) package for easy integration into surface mount designs.
- AEC-Q101 Qualified: Meets automotive standards for reliability and performance.
- Matte Tin Plating: Lead finishing with matte tin plating for improved solderability and reliability.
Applications
The SM15T18AHM3/I TVS diode is primarily used in automotive applications to protect sensitive electronic components from electrostatic discharges and electrical overstress. It is also suitable for use in other high-reliability environments such as industrial, computing, and consumer electronics where protection against voltage transients is crucial.
Q & A
- What is the primary function of the SM15T18AHM3/I TVS diode?
The primary function is to protect sensitive electronic equipment from electrostatic discharges and electrical overstress.
- What is the peak pulse power rating of the SM15T18AHM3/I?
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/I?
-65°C to 150°C.
- What package type does the SM15T18AHM3/I use?
DO-214AB (SMC) surface mount package.
- Is the SM15T18AHM3/I RoHS compliant?
Yes, it is ROHS3 compliant.
- What is the moisture sensitivity level (MSL) of the SM15T18AHM3/I?
MSL 1 (Unlimited).
- What are the typical applications for the SM15T18AHM3/I?
Automotive, industrial, computing, and consumer electronics.
- Does the SM15T18AHM3/I meet automotive standards?
Yes, it is AEC-Q101 qualified.
- What is the voltage - reverse standoff (typ) for the SM15T18AHM3/I?
15.3V.
- What is the current - peak pulse (10/1000µs) rating for the SM15T18AHM3/I?
59.5A.
