Overview
The SM15T39AHM3/I is a transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, which is designed to provide protection against voltage transients induced by inductive load switching and lightning in various electronic systems.
Vishay General Semiconductor is a leading manufacturer of discrete semiconductor components, known for its innovative products such as the TRANSZORB® TVS devices. The SM15T series, including the SM15T39AHM3/I, is AEC-Q101 qualified, making it suitable for automotive and other demanding applications.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Stand-Off Voltage (VWM) | VWM | 39 V | V |
| Breakdown Voltage (VBR) | VBR | 43.6 V to 47.4 V | V |
| Peak Pulse Power Dissipation | PPPM | 1500 W | W |
| Peak Pulse Current (IPP) | IPP | See datasheet for specific values | A |
| Power Dissipation on Infinite Heatsink | PD | 6.5 W | W |
| Peak Forward Surge Current | IFSM | 200 A (10 ms single half sine-wave) | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 °C | °C |
| Package Type | SMC (DO-214AB) |
Key Features
- Low Profile Package: Ideal for automated placement and space-saving designs.
- High Peak Pulse Power Capability: 1500 W with a 10/1000 μs waveform, providing robust protection against voltage transients.
- Excellent Clamping Capability: Effective in limiting voltage spikes to safe levels.
- Low Inductance: Minimizes the impact of inductive loads on the component's performance.
- AEC-Q101 Qualified: Suitable for automotive and other high-reliability applications.
- Glass Passivated Chip Junction: Enhances the component's reliability and durability.
- Available in Unidirectional and Bidirectional Configurations: Flexible options to suit various application needs.
Applications
- Automotive Systems: Protection against load dump, voltage transients in ECUs, and other automotive electronics.
- Consumer Electronics: Protection of sensitive electronics from voltage spikes and transients.
- Industrial and Telecommunication Systems: Protection against switching transients induced by large coils or industrial motors.
- Computer and Computing Systems: Protection of signal lines and ICs from voltage transients.
- Sensor Units and Other Sensitive Electronics: General protection against voltage transients and spikes.
Q & A
- What is the SM15T39AHM3/I used for?
The SM15T39AHM3/I is used to protect electronic systems against voltage transients induced by inductive load switching and lightning.
- What is the peak pulse power dissipation of the SM15T39AHM3/I?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the operating junction temperature range of the SM15T39AHM3/I?
The operating junction temperature range is -65 to +150 °C.
- Is the SM15T39AHM3/I AEC-Q101 qualified?
- What package type does the SM15T39AHM3/I come in?
The SM15T39AHM3/I comes in an SMC (DO-214AB) package.
- What are the key features of the SM15T39AHM3/I?
- What are some common applications of the SM15T39AHM3/I?
- How does the SM15T39AHM3/I protect against voltage transients?
- What is the significance of the glass passivated chip junction in the SM15T39AHM3/I?
- Is the SM15T39AHM3/I available in both unidirectional and bidirectional configurations?
