Overview
The SM6T18A-E3/52 is a surface-mount transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM6T series, which is designed to provide protection against voltage transients in various electronic systems. The SM6T18A-E3/52 is particularly suited for applications requiring high reliability and robust protection against transient voltages.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reverse Stand-Off Voltage (VWM) | 15.3 | V |
| Breakdown Voltage (VBR) | 17.1 - 19.4 | V |
| Peak Pulse Power (PPPM) | 600 | W |
| Maximum Reverse Leakage at VWM (ID) | 1.0 | μA |
| Maximum Clamping Voltage (VC) at IPPM (10/1000 μs) | 32.5 | V |
| Peak Pulse Current (IFSM) (10/1000 μs) | 123 A (8/20 μs) | A |
| Maximum Junction Temperature (TJ) | 150 | °C |
| Package | DO-214AA (SMB) | |
| Mounting Type | Surface Mount | |
| Operating Temperature | -55°C to 150°C | °C |
Key Features
- Low profile package ideal for automated placement.
- Glass passivated chip junction for enhanced reliability.
- Available in unidirectional and bidirectional configurations.
- Low inductance design.
- 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.
- Molding compound meets UL 94 V-0 flammability rating.
- Terminals are matte tin plated and solderable per J-STD-002 and JESD 22-B102.
Applications
The SM6T18A-E3/52 is used in various applications to protect sensitive electronics against voltage transients. These include:
- Automotive systems
- Industrial control systems
- Consumer electronics
- Computer systems
- Telecommunication equipment
- Protection of ICs, MOSFETs, and signal lines of sensor units.
Q & A
- What is the primary function of the SM6T18A-E3/52?
The primary function is to protect electronic circuits from voltage transients and surges.
- What are the available configurations for the SM6T series?
The SM6T series is available in both unidirectional and bidirectional configurations.
- What is the peak pulse power capability of the SM6T18A-E3/52?
The peak pulse power capability is 600 W.
- What is the maximum junction temperature for the SM6T18A-E3/52?
The maximum junction temperature is 150 °C.
- Is the SM6T18A-E3/52 RoHS-compliant?
- What is the package type of the SM6T18A-E3/52?
The package type is DO-214AA (SMB).
- What are the typical applications for the SM6T18A-E3/52?
Typical applications include automotive, industrial, consumer electronics, computer systems, and telecommunication equipment.
- Does the SM6T18A-E3/52 meet automotive standards?
- What is the operating temperature range for the SM6T18A-E3/52?
The operating temperature range is -55°C to 150°C.
- How is the polarity indicated for unidirectional devices?
The polarity is indicated by a band on the cathode end for unidirectional devices.
