Overview
The SM6T22AHM3/H is a surface-mount transient voltage suppressor (TVS) produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM6T series, known for its high reliability and robust protection against voltage transients. The SM6T22AHM3/H is designed to protect sensitive electronics from voltage spikes and surges, making it an essential component in various electronic systems.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Pulse Power Dissipation | PPPM | 600 | W |
| Peak Pulse Current | IPPM | See datasheet for specific values | A |
| Power Dissipation on Infinite Heatsink | PD | 5.0 | W |
| Peak Forward Surge Current (10 ms single half sine-wave) | IFSM | 100 | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Reverse Stand-Off Voltage | VWM | 188 | V |
| Breakdown Voltage (VBR) | VBR | 220 | V |
| Package Type | SMB (DO-214AA) | ||
| Material Compliance | RoHS-compliant, halogen-free |
Key Features
- Low profile package ideal for automated placement.
- Glass passivated chip junction for enhanced reliability.
- Available in unidirectional and bidirectional configurations.
- 600 W peak pulse power capability with a 10/1000 μs waveform.
- 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.
- Matte tin plated leads, solderable per J-STD-002 and JESD 22-B102.
Applications
The SM6T22AHM3/H is used in various applications to protect sensitive electronics against voltage transients. These include:
- Protection against voltage transients induced by inductive load switching.
- Protection of ICs, MOSFETs, and signal lines in sensor units.
- Consumer electronics, such as TVs and audio equipment.
- Computer and industrial equipment.
- Automotive systems, including ECU protection and load dump protection.
- Telecommunication equipment.
Q & A
- What is the peak pulse power dissipation of the SM6T22AHM3/H?
The peak pulse power dissipation is 600 W with a 10/1000 μs waveform.
- What are the operating junction and storage temperature ranges for this component?
The operating junction and storage temperature ranges are -65 to +150 °C.
- Is the SM6T22AHM3/H RoHS-compliant and halogen-free?
- What is the package type of the SM6T22AHM3/H?
The package type is SMB (DO-214AA).
- Is the SM6T22AHM3/H suitable for automotive applications?
- What are the typical applications of the SM6T22AHM3/H?
It is used to protect sensitive electronics from voltage transients in consumer, computer, industrial, automotive, and telecommunication systems.
- What is the maximum reverse leakage current at the stand-off voltage?
The maximum reverse leakage current at the stand-off voltage (VWM) is specified in the datasheet, typically in the range of a few microamperes.
- Does the SM6T22AHM3/H have low inductance?
- How is the component marked for polarity?
For unidirectional types, the band denotes the cathode end. Bidirectional types have no marking.
- What is the thermal resistance of the SM6T22AHM3/H?
The typical thermal resistance, junction to ambient air, is 100 °C/W.
