Overview
The SM6T22A-E3/5B is a surface-mount transient voltage suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division. This component is part of the SM6T series, known for its robust protection against voltage transients. It is designed to safeguard sensitive electronics from voltage spikes induced by inductive load switching and lightning.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SMB (DO-214AA) |
| VWM (Reverse Stand-Off Voltage) | 22 V |
| VBR (Breakdown Voltage) | 24.4 V to 27 V (unidirectional), 24.4 V to 27 V (bidirectional) |
| PPPM (Peak Pulse Power) | 600 W |
| PD (Power Dissipation) | 5.0 W |
| IFSM (Peak Forward Surge Current) | 100 A (unidirectional only) |
| TJ (Maximum Junction Temperature) | 150 °C |
| Polarity | Unidirectional, Bidirectional |
| Terminals | Matte tin plated leads, solderable per J-STD-002 and JESD 22-B102 |
| Compliance | RoHS-compliant, commercial grade (E3 suffix), AEC-Q101 qualified (HE3 suffix) |
Key Features
- Low profile package ideal for automated placement
- Glass passivated chip junction for reliable operation
- Low inductance design
- Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C
- AEC-Q101 qualified for automotive applications (HE3 suffix)
- RoHS-compliant and halogen-free options available
- Molding compound meets UL 94 V-0 flammability rating
Applications
The SM6T22A-E3/5B is used in various applications to protect sensitive electronics against voltage transients. These include:
- Consumer electronics
- Computer systems
- Industrial control systems
- Automotive systems
- Telecommunication equipment
- Protection of ICs, MOSFETs, and signal lines of sensor units
Q & A
- What is the primary function of the SM6T22A-E3/5B?
The primary function is to protect sensitive electronics from voltage transients and spikes.
- What package type does the SM6T22A-E3/5B use?
The component uses an SMB (DO-214AA) package.
- What is the peak pulse power capability of the SM6T22A-E3/5B?
The peak pulse power capability is 600 W.
- Is the SM6T22A-E3/5B RoHS-compliant?
Yes, it is RoHS-compliant and also available in halogen-free versions.
- What are the temperature ratings for the SM6T22A-E3/5B?
The maximum junction temperature is 150 °C.
- Can the SM6T22A-E3/5B be used in automotive applications?
Yes, it is AEC-Q101 qualified for automotive use (HE3 suffix).
- What are the typical applications for the SM6T22A-E3/5B?
It is used in consumer, computer, industrial, automotive, and telecommunication systems to protect against voltage transients.
- How are the terminals of the SM6T22A-E3/5B plated?
The terminals are matte tin plated and solderable per J-STD-002 and JESD 22-B102.
- Does the SM6T22A-E3/5B meet any specific flammability standards?
Yes, the molding compound meets UL 94 V-0 flammability rating.
- How is the polarity indicated for unidirectional types?
The polarity is indicated by a band on the cathode end for unidirectional types.
