Overview
The SM15T12AHM3/H is a surface mount transient voltage suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, which is designed to protect sensitive electronics from voltage transients induced by inductive load switching and lightning. The SM15T12AHM3/H is known for its high peak pulse power capability and excellent clamping characteristics, making it suitable for a wide range of applications including consumer, computer, industrial, automotive, and telecommunication systems.
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 table 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) | IFSM | 200 | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Reverse Stand-Off Voltage (VWM) | VWM | 10.2 | V |
| Breakdown Voltage (VBR) | VBR | 12.6 | V |
| Maximum Clamping Voltage (VC) at IPPM (10/1000 μs) | VC | 18.6 | V |
| 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.
- Excellent Clamping Capability: Effective in protecting against voltage transients.
- Low Inductance: Minimizes the impact of inductive loads.
- AEC-Q101 Qualified: Available for automotive applications with specific ordering codes.
- 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 different application needs.
Applications
The SM15T12AHM3/H is used in various applications to protect sensitive electronics against voltage transients. These include:
- Consumer electronics
- Computer systems
- Industrial control systems
- Automotive systems
- Telecommunication equipment
- Protection of ICs, MOSFETs, and signal lines of sensor units
Q & A
- What is the peak pulse power dissipation of the SM15T12AHM3/H?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the maximum operating junction temperature for this component?
The maximum operating junction temperature is 150 °C.
- Is the SM15T12AHM3/H AEC-Q101 qualified?
- What is the package type of the SM15T12AHM3/H?
The package type is SMC (DO-214AB).
- What are the typical applications of the SM15T12AHM3/H?
It is used to protect sensitive electronics in consumer, computer, industrial, automotive, and telecommunication systems.
- What is the reverse stand-off voltage (VWM) of the SM15T12AHM3/H?
The reverse stand-off voltage (VWM) is 10.2 V.
- Does the SM15T12AHM3/H meet MSL level 1?
- What is the peak forward surge current rating of the SM15T12AHM3/H?
The peak forward surge current rating is 200 A for a 10 ms single half sine-wave.
- Is the SM15T12AHM3/H available in both unidirectional and bidirectional configurations?
- What is the maximum clamping voltage (VC) at IPPM (10/1000 μs) for the SM15T12AHM3/H?
The maximum clamping voltage (VC) at IPPM (10/1000 μs) is 18.6 V.
