Overview
The SM15T22AHM3/I is a surface mount 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 various electronic systems. It is particularly suited for applications requiring high peak pulse power capability and excellent clamping characteristics.
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 | 49 | A |
| Maximum Clamping Voltage (10/1000 μs waveform) | VC | 30.6 | V |
| Reverse Stand-Off Voltage (VWM) | VWM | 22 | V |
| Breakdown Voltage (VBR) | VBR | 24.5 to 27.5 | 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 | DO-214AB (SMC) |
Key Features
- Low profile package ideal for automated placement.
- Glass passivated chip junction for reliability.
- Available in unidirectional and bidirectional configurations.
- Excellent clamping capability and low inductance.
- Meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C.
- AEC-Q101 qualified for automotive applications.
Applications
The SM15T22AHM3/I is used in sensitive electronics to protect against voltage transients induced by inductive load switching and lightning. Typical applications include:
- Consumer electronics
- Computer systems
- Industrial equipment
- Automotive systems
- Telecommunication devices
- Protection of ICs, MOSFETs, and signal lines of sensor units.
Q & A
- What is the peak pulse power dissipation of the SM15T22AHM3/I? The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the maximum clamping voltage of the SM15T22AHM3/I? The maximum clamping voltage is 30.6 V.
- What is the reverse stand-off voltage (VWM) of the SM15T22AHM3/I? The reverse stand-off voltage (VWM) is 22 V.
- What is the operating junction and storage temperature range of the SM15T22AHM3/I? The operating junction and storage temperature range is -65 to +150 °C.
- Is the SM15T22AHM3/I AEC-Q101 qualified? Yes, it is AEC-Q101 qualified for automotive applications.
- What package type does the SM15T22AHM3/I use? The SM15T22AHM3/I uses the DO-214AB (SMC) package.
- What are the typical applications of the SM15T22AHM3/I? Typical applications include consumer electronics, computer systems, industrial equipment, automotive systems, and telecommunication devices.
- What is the peak forward surge current rating of the SM15T22AHM3/I? The peak forward surge current rating is 200 A for a 10 ms single half sine-wave.
- Does the SM15T22AHM3/I meet MSL level 1? Yes, it meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C.
- What is the power dissipation on an infinite heatsink at TA = 50 °C for the SM15T22AHM3/I? The power dissipation on an infinite heatsink at TA = 50 °C is 6.5 W.
