Overview
The SM15T220AHE3/9AT is a Transient Voltage Suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is designed to protect sensitive electronics from voltage transients induced by inductive load switching and lightning. It is part of the SM15T series, known for its high reliability and robust protection capabilities.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Reverse Stand-Off Voltage (VWM) | VWM | 188 | V |
| Breakdown Voltage (VBR) | VBR | 209 - 231 | V |
| Maximum Clamping Voltage (VC) at IPPM (10/1000 μs) | VC | 328 | V |
| Peak Pulse Current (IPPM) (10/1000 μs waveform) | IPPM | See datasheet for specific values | A |
| Power Dissipation on Infinite Heatsink at TA = 50 °C | PD | 6.5 | W |
| Peak Forward Surge Current (IFSM) (10 ms single half sine-wave) | IFSM | 200 | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| 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 and low inductance.
- Meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C.
- AEC-Q101 qualified for automotive applications.
- RoHS-compliant and halogen-free options available.
- Matte tin plated leads, solderable per J-STD-002 and JESD 22-B102.
Applications
The SM15T220AHE3/9AT is used in various applications to protect sensitive electronics against voltage transients. These 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 primary function of the SM15T220AHE3/9AT? The primary function is to protect sensitive electronics from voltage transients induced by inductive load switching and lightning.
- What is the peak power dissipation of the SM15T220AHE3/9AT? The peak power dissipation is 1500 W with a 10/1000 μs waveform.
- What are the available configurations of the SM15T220AHE3/9AT? It is available in both unidirectional and bidirectional configurations.
- Is the SM15T220AHE3/9AT RoHS-compliant? Yes, it is RoHS-compliant and also available in halogen-free versions.
- What is the operating junction and storage temperature range of the SM15T220AHE3/9AT? The range is -65 to +150 °C.
- What package type is used for the SM15T220AHE3/9AT? It uses the SMC (DO-214AB) package.
- Is the SM15T220AHE3/9AT suitable for automotive applications? Yes, it is AEC-Q101 qualified for automotive use.
- What is the maximum clamping voltage of the SM15T220AHE3/9AT? The maximum clamping voltage is 328 V at IPPM (10/1000 μs waveform).
- What is the power dissipation on an infinite heatsink at TA = 50 °C? The power dissipation is 6.5 W.
- What is the peak forward surge current rating of the SM15T220AHE3/9AT? The peak forward surge current is 200 A for a 10 ms single half sine-wave.
