Overview
The SM15T12AHM3/I is a transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, known for its high reliability and robust protection against voltage transients. The SM15T12AHM3/I is specifically designed to protect sensitive electronics from voltage spikes and surges, making it an essential component in various industrial, automotive, and consumer applications.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | 90 | A |
| Power Dissipation on Infinite Heatsink at TA = 50 °C | PD | 6.5 | W |
| Peak Forward Surge Current (10 ms single half sine-wave) | IFSM | 200 | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Reverse Stand-Off Voltage | VWM | 10.2 | V |
| Breakdown Voltage (Unidirectional) | VBR | 12.6 | V |
| Clamping Voltage at IPPM (10/1000 μs) | VC | 16.7 | V |
| Package Type | DO-214AB (SMC) |
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.
- Excellent Clamping Capability: Effective in protecting against voltage transients.
- Low Inductance: Minimizes the impact of inductive loads.
- AEC-Q101 Qualified: Suitable for automotive applications.
- Meets MSL Level 1: Compliant with J-STD-020, with a maximum peak temperature of 260 °C.
- Available in Unidirectional and Bidirectional Configurations: Versatile for various application needs.
Applications
The SM15T12AHM3/I is used in a variety of applications to protect sensitive electronics against voltage transients. These include:
- Industrial equipment: Protection against transients induced by large coils or industrial motors.
- Automotive systems: Protection from load dump and other transient conditions.
- Consumer electronics: Protection of ICs, MOSFETs, and signal lines in consumer devices.
- Telecommunication equipment: Protection against voltage spikes and surges.
- Computer systems: Protection of sensitive components from transient voltages.
Q & A
- What is the peak power dissipation of the SM15T12AHM3/I?
The peak power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the maximum peak pulse current for the SM15T12AHM3/I?
The maximum peak pulse current is 90 A.
- What is the operating junction and storage temperature range for this component?
The operating junction and storage temperature range is -65 to +150 °C.
- Is the SM15T12AHM3/I AEC-Q101 qualified?
- What package type does the SM15T12AHM3/I use?
The package type is DO-214AB (SMC).
- What are the typical applications of the SM15T12AHM3/I?
Typical applications include protection in industrial, automotive, consumer electronics, telecommunication equipment, and computer systems.
- What is the clamping voltage at IPPM for the SM15T12AHM3/I?
The clamping voltage at IPPM (10/1000 μs) is 16.7 V.
- Does the SM15T12AHM3/I meet MSL Level 1?
- Is the SM15T12AHM3/I available in both unidirectional and bidirectional configurations?
- What is the reverse stand-off voltage for the SM15T12AHM3/I?
The reverse stand-off voltage (VWM) is 10.2 V.
