Overview
The SM15T15AHM3/I is a transient voltage suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, designed to provide protection against voltage transients in sensitive electronic circuits. The SM15T15AHM3/I is particularly useful in applications where protection against inductive load switching and lightning-induced transients is crucial.
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 | 71 | 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 |
| Stand-Off Voltage | VWM | 12.8 | V |
| Breakdown Voltage (Unidirectional) | VBR | 14.3 to 15.8 | V |
| Maximum Reverse Leakage at VWM | ID | 1.0 | μA |
| Maximum Clamping Voltage at IPPM (10/1000 μs) | VC | 21.2 | V |
| Package | SMC (DO-214AB) |
Key Features
- Low profile package ideal for automated placement
- Glass passivated chip junction for reliability
- Available in unidirectional and bidirectional configurations
- Excellent clamping capability to protect against voltage transients
- Low inductance for better performance in high-frequency applications
- Meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C
- AEC-Q101 qualified for automotive applications
Applications
The SM15T15AHM3/I is used in various applications to protect sensitive electronics against voltage transients. These include:
- Protection of ICs, MOSFETs, and signal lines in consumer electronics
- Industrial applications involving inductive load switching
- Automotive systems requiring protection against transient voltages
- Telecommunication equipment and sensor units
- Computer and computing peripherals
Q & A
- What is the peak pulse power dissipation of the SM15T15AHM3/I?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the maximum clamping voltage of the SM15T15AHM3/I?
The maximum clamping voltage is 21.2 V at IPPM (10/1000 μs).
- What is the operating junction and storage temperature range of the SM15T15AHM3/I?
The operating junction and storage temperature range is -65 to +150 °C.
- Is the SM15T15AHM3/I AEC-Q101 qualified?
- What package type is the SM15T15AHM3/I available in?
The SM15T15AHM3/I is available in the SMC (DO-214AB) package.
- What are the typical applications of the SM15T15AHM3/I?
Typical applications include protection of ICs, MOSFETs, and signal lines in consumer electronics, industrial applications, automotive systems, and telecommunication equipment.
- What is the peak forward surge current of the SM15T15AHM3/I?
The peak forward surge current is 200 A for a 10 ms single half sine-wave.
- What is the stand-off voltage (VWM) of the SM15T15AHM3/I?
The stand-off voltage (VWM) is 12.8 V.
- What is the maximum reverse leakage at VWM for the SM15T15AHM3/I?
The maximum reverse leakage at VWM is 1.0 μA.
- Is the SM15T15AHM3/I suitable for high-frequency applications?
