Overview
The SM6T220A-E3/5B is a surface-mount transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM6T series, designed to protect sensitive electronic equipment against electrostatic discharges, voltage transients, and electrical overstress. The SM6T220A-E3/5B is particularly suited for high-reliability applications, including automotive, industrial, and telecommunication systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power (10/1000 μs) | 600 W | W |
| Peak Pulse Power (8/20 μs) | 4 kW | W |
| Stand-off Voltage (VWM) | 188 V | V |
| Breakdown Voltage (VBR) | 220 V | V |
| Average Power Dissipation (PD) | 5.0 W | W |
| Maximum Junction Temperature (TJ max) | 150 °C | °C |
| Leakage Current at 25 °C | 0.2 μA | μA |
| Leakage Current at 85 °C | 1 μA | μA |
| Package Type | SMB (DO-214AA) | |
| Terminals | Matte tin plated leads | |
| Flammability Rating | UL 94 V-0 |
Key Features
- Low profile package ideal for automated placement
- Glass passivated chip junction for high reliability
- Available in unidirectional and bidirectional types
- Low inductance and low leakage current
- Meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C
- AEC-Q101 qualified for automotive applications (HE3 suffix)
- Compliant with J-STD-002, JESD 22-B102, and IPC7531 footprint standards
- High power capability at TJ max.: up to 350 W (10/1000 µs)
Applications
The SM6T220A-E3/5B is used in various applications to protect sensitive electronics against voltage transients and electrostatic discharges. These include:
- Automotive systems
- Industrial equipment
- Telecommunication devices
- Consumer electronics
- Computer and sensor units
- Protection against inductive load switching and lightning surges
Q & A
- What is the peak pulse power of the SM6T220A-E3/5B?
The peak pulse power is 600 W (10/1000 μs) and 4 kW (8/20 μs). - What is the stand-off voltage range of the SM6T series?
The stand-off voltage range is from 5 V to 188 V. - What are the package and terminal specifications?
The package is SMB (DO-214AA) with matte tin plated leads, solderable per J-STD-002 and JESD 22-B102. - Is the SM6T220A-E3/5B RoHS compliant?
Yes, it is RoHS compliant with the E3 suffix indicating commercial grade and HE3 suffix indicating high reliability/automotive grade. - What is the maximum junction temperature?
The maximum junction temperature is 150 °C. - What standards does the SM6T220A-E3/5B comply with?
It complies with UL94 V-0, J-STD-020 MSL level 1, J-STD-002, JESD 22-B102, and IEC 61000-4-2 and IEC 61000-4-4 standards. - What are the typical applications of the SM6T220A-E3/5B?
It is used in sensitive electronics protection against voltage transients induced by inductive load switching and lightning, in ICs, MOSFETs, signal lines of sensor units, and in consumer, computer, industrial, automotive, and telecommunication applications. - Does the SM6T220A-E3/5B have AEC-Q101 qualification?
Yes, the HE3 suffix indicates AEC-Q101 qualification for automotive applications. - What is the leakage current at 25 °C and 85 °C?
The leakage current is 0.2 μA at 25 °C and 1 μA at 85 °C. - What is the thermal resistance of the SM6T220A-E3/5B?
The thermal resistance, junction to ambient air, is 100 °C/W, and junction to leads is 20 °C/W.
