Overview
The SM15T18CAHM3/I is a transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, designed to provide protection against voltage transients in various electronic systems. The SM15T18CAHM3/I is particularly suited for applications requiring high peak pulse power capability and excellent clamping performance.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | See datasheet for specific values | A |
| Power Dissipation on Infinite Heatsink at TA = 50 °C | PD | 6.5 | W |
| Peak Forward Surge Current (10 ms single half sine-wave, unidirectional only) | IFSM | 200 | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Reverse Standoff Voltage (Typical) | VWM | 17.1 V | V |
| Clamp Voltage at IPPM (10/1000 μs) | VC | 25.2 V | V |
| Package Type | SMC (DO-214AB) |
Key Features
- High Peak Pulse Power Capability: The SM15T18CAHM3/I can handle up to 1500 W of peak pulse power with a 10/1000 μs waveform.
- Excellent Clamping Performance: Provides effective protection against voltage transients with a low clamping voltage.
- Low Profile Package: The SMC (DO-214AB) package is ideal for automated placement and saves space in designs.
- Glass Passivated Chip Junction: Ensures reliability and stability in various operating conditions.
- Low Inductance: Minimizes the impact of inductive effects in high-frequency applications.
- AEC-Q101 Qualified: Suitable for automotive applications, ensuring compliance with stringent automotive standards.
- High Temperature Capability: Operates within a temperature range of -65 °C to +150 °C.
Applications
- Automotive Systems: Protection against load dump, voltage transients in ECUs, and other automotive electronics.
- Consumer Electronics: Protection of sensitive electronics from voltage transients induced by inductive load switching and lightning.
- Industrial and Telecommunication Systems: Protection of ICs, MOSFETs, and signal lines in industrial and telecommunication equipment.
- Computing and Data Centers: Protection of server components and data storage systems from transient voltages.
Q & A
- What is the peak pulse power dissipation of the SM15T18CAHM3/I?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the typical reverse standoff voltage for the SM15T18CAHM3/I?
The typical reverse standoff voltage is 17.1 V.
- What is the clamp voltage at IPPM for the SM15T18CAHM3/I?
The clamp voltage at IPPM is 25.2 V.
- What package type is used for the SM15T18CAHM3/I?
The package type is SMC (DO-214AB).
- Is the SM15T18CAHM3/I AEC-Q101 qualified?
- What is the operating temperature range for the SM15T18CAHM3/I?
The operating temperature range is -65 °C to +150 °C.
- What are some common applications for the SM15T18CAHM3/I?
Common applications include automotive systems, consumer electronics, industrial and telecommunication systems, and computing and data centers.
- What is the peak forward surge current rating for the SM15T18CAHM3/I?
The peak forward surge current rating is 200 A for a 10 ms single half sine-wave.
- Does the SM15T18CAHM3/I have low inductance?
- Is the SM15T18CAHM3/I suitable for automated placement?
