Overview
The SM15T12AHM3_A/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 in various electronic systems. The SM15T12AHM3_A/I is particularly suited for applications requiring high peak pulse current and power dissipation capabilities.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Pulse Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | 461 | A |
| Stand-Off Voltage (VWM) | VWM | 11.4 - 12.6 | V |
| Breakdown Voltage (VBR) | VBR | 12.8 - 14.3 | V |
| Maximum Clamping Voltage (VC) at IPPM (10/1000 μs) | VC | 16.7 | V |
| 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 |
| 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 peak pulse power dissipation with a 10/1000 μs waveform.
- Excellent Clamping Capability: Effective in clamping voltage transients to protect sensitive electronics.
- Low Inductance: Minimizes the impact of inductive effects in high-frequency applications.
- AEC-Q101 Qualified: Available in automotive ordering codes, ensuring reliability in automotive applications.
- Glass Passivated Chip Junction: Enhances the component's durability and reliability.
- Meets MSL Level 1: Compliant with J-STD-020, with a maximum peak reflow temperature of 260 °C.
Applications
The SM15T12AHM3_A/I TVS diode is used in various applications to protect sensitive electronics against voltage transients. These include:
- Industrial and Automotive Systems: Protection against transients induced by inductive load switching and lightning.
- Consumer Electronics: Safeguarding ICs, MOSFETs, and signal lines in consumer devices.
- Computer and Telecommunication Systems: Ensuring the reliability of electronic components in computing and telecommunication equipment.
- Sensor Units: Protecting signal lines of sensor units from voltage transients.
Q & A
- What is the peak pulse power dissipation of the SM15T12AHM3_A/I?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the maximum clamping voltage of the SM15T12AHM3_A/I?
The maximum clamping voltage is 16.7 V at the peak pulse current.
- What is the operating junction and storage temperature range of the SM15T12AHM3_A/I?
The operating junction and storage temperature range is -65 to +150 °C.
- Is the SM15T12AHM3_A/I AEC-Q101 qualified?
- What is the package type of the SM15T12AHM3_A/I?
The package type is DO-214AB (SMC).
- What are the typical applications of the SM15T12AHM3_A/I?
Typical applications include protection in industrial, automotive, consumer electronics, computer, and telecommunication systems.
- What is the peak forward surge current of the SM15T12AHM3_A/I?
The peak forward surge current is 200 A for a 10 ms single half sine-wave.
- Does the SM15T12AHM3_A/I meet MSL level 1?
- What is the typical thermal resistance of the SM15T12AHM3_A/I?
The typical thermal resistance, junction to ambient air, is 75 °C/W.
- Is the SM15T12AHM3_A/I available in both unidirectional and bidirectional configurations?
