Overview
The SM6T39AHE3_A/I 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 a variety of electronic systems. The SM6T39AHE3_A/I is known for its high reliability and robust performance, making it suitable for use in sensitive electronics across multiple industries.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Power Dissipation (10/1000 μs waveform) | PPPM | 600 | W |
| Stand-Off Voltage (VWM) | VWM | 33.3 | V |
| Breakdown Voltage (VBR) | VBR | 37.1 - 41.0 | V |
| Maximum Reverse Leakage at VWM (ID) | ID | 1.0 | μA |
| Maximum Clamping Voltage (VC) at IPPM (10/1000 μs) | VC | 53.9 | V |
| Maximum Clamping Voltage (VC) at IPPM (8/20 μs) | VC | 69.7 | V |
| Peak Pulse Current (IPPM) | IPPM | See datasheet for specific values | A |
| Power Dissipation on Infinite Heatsink at TA = 50 °C | 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 |
| Package | SMB (DO-214AA) |
Key Features
- Low Profile Package: Ideal for automated placement and space-saving designs.
- Glass Passivated Chip Junction: Ensures high reliability and stability.
- High Peak Pulse Power Capability: 600 W with a 10/1000 μs waveform.
- Excellent Clamping Capability: Effective in protecting against voltage transients.
- Low Inductance: Minimizes interference and improves signal integrity.
- AEC-Q101 Qualified: Suitable for automotive applications, ensuring high reliability and performance.
- RoHS Compliant and Halogen-Free: Meets environmental and safety standards.
Applications
The SM6T39AHE3_A/I is used in various applications to protect sensitive electronics against voltage transients. These include:
- Consumer Electronics: Protection of ICs, MOSFETs, and signal lines.
- Automotive Systems: Protection against load dump and other transient voltages in ECUs, LED headlights, and dashboard displays.
- Industrial and Telecommunication Equipment: Protection of sensitive components from inductive load switching and lightning-induced surges.
- Computing and Data Centers: Protection of server components and data lines from transient voltages.
Q & A
- What is the peak power dissipation of the SM6T39AHE3_A/I?
The peak power dissipation is 600 W with a 10/1000 μs waveform. - What is the stand-off voltage (VWM) of this component?
The stand-off voltage (VWM) is 33.3 V. - What is the breakdown voltage (VBR) range for this diode?
The breakdown voltage (VBR) range is 37.1 to 41.0 V. - Is the SM6T39AHE3_A/I AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified, making it suitable for automotive applications. - What is the package type of the SM6T39AHE3_A/I?
The package type is SMB (DO-214AA). - What is the maximum operating junction temperature?
The maximum operating junction temperature is 150 °C. - Is the SM6T39AHE3_A/I RoHS compliant and halogen-free?
Yes, it is RoHS compliant and halogen-free. - What are the typical applications of the SM6T39AHE3_A/I?
Typical applications include protection in consumer electronics, automotive systems, industrial equipment, and telecommunication devices. - What is the maximum forward surge current for this diode?
The maximum forward surge current is 100 A for a 10 ms single half sine-wave. - What is the thermal resistance from junction to ambient air?
The typical thermal resistance from junction to ambient air is 100 °C/W.
