Overview
The SM6T220A-M3/52 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 SM6T series, which offers a broad range of voltage ratings and is suitable for various applications across consumer, computer, industrial, automotive, and telecommunication sectors.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Working Voltage (VWM) | 188 | V |
| Breakdown Voltage (VBR) | 209 - 231 | V |
| Clamping Voltage (VC) | 388 | V |
| Peak Pulse Power (PPPM) | 600 | W |
| Steady State Power Dissipation (PD) | 5.0 | W |
| Peak Forward Surge Current (IFSM) | 100 | A |
| Maximum Junction Temperature (TJ) | 150 | °C |
| Polarity | Unidirectional, Bidirectional | |
| Package | SMB (DO-214AA) | |
| Termination Style | SMD/SMT |
Key Features
- Low profile package ideal for automated placement.
- Glass passivated chip junction.
- Low inductance.
- Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C.
- AEC-Q101 qualified available (automotive grade).
- RoHS-compliant and halogen-free options available.
- Molding compound meets UL 94 V-0 flammability rating.
- Matte tin plated leads, solderable per J-STD-002 and JESD 22-B102.
Applications
The SM6T220A-M3/52 is used in various applications to protect against voltage transients, including:
- Sensitive electronics in consumer devices.
- ICs, MOSFETs, and signal lines of sensor units in computer and industrial equipment.
- Automotive systems requiring protection against transient voltages.
- Telecommunication devices needing robust transient voltage suppression.
Q & A
- What is the primary function of the SM6T220A-M3/52?
The primary function is to protect sensitive electronics from voltage transients induced by inductive load switching and lightning. - What are the voltage ratings for this TVS diode?
The working voltage (VWM) is 188 V, and the breakdown voltage (VBR) ranges from 209 to 231 V. - What is the clamping voltage of the SM6T220A-M3/52?
The clamping voltage is 388 V. - Is the SM6T220A-M3/52 RoHS-compliant?
Yes, it is RoHS-compliant and also available in halogen-free versions. - What is the maximum junction temperature for this diode?
The maximum junction temperature (TJ) is 150 °C. - What package type does the SM6T220A-M3/52 use?
The package type is SMB (DO-214AA). - Is the SM6T220A-M3/52 suitable for automotive applications?
Yes, it is AEC-Q101 qualified, making it suitable for automotive applications. - What is the peak forward surge current rating for this diode?
The peak forward surge current (IFSM) is 100 A. - What are the termination styles available for this component?
The termination style is SMD/SMT. - Does the SM6T220A-M3/52 meet any specific flammability standards?
Yes, the molding compound meets UL 94 V-0 flammability rating.
