Overview
The SM6T39AHM3/I is a 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 from voltage transients and electrostatic discharges. The SM6T39AHM3/I is particularly suited for applications requiring high reliability and stability in various environments, including consumer, computer, industrial, automotive, and telecommunications sectors.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Stand-off Voltage | VWM | 33.3 V to 41.0 V | V |
| Breakdown Voltage | VBR | 37.1 V to 41.0 V | V |
| Peak Pulse Power | PPPM | 600 W (10/1000 μs) | W |
| Peak Pulse Current | IPPM | 11.1 A (10/1000 μs) | A |
| Power Dissipation | PD | 5.0 W | W |
| Operating Junction Temperature | TJ | -65 °C to +150 °C | °C |
| Package | SMB (DO-214AA) | ||
| Polarity | Unidirectional |
Key Features
- Low Profile Package: Ideal for automated placement and space-saving designs.
- Glass Passivated Chip Junction: Ensures high reliability and stability.
- High Power Capability: 600 W peak pulse power with a 10/1000 μs waveform.
- Low Leakage Current: 0.2 μA at 25 °C and 1 μA at 85 °C.
- High Temperature Operation: Operating junction temperature up to 150 °C.
- Compliance with Standards: Meets MSL level 1, per J-STD-020, and other industry standards like UL94 V-0, J-STD-002, and JESD 22-B102 E3.
- AEC-Q101 Qualified: Available for automotive applications with the HM3 suffix.
Applications
The SM6T39AHM3/I is used in various applications to protect sensitive electronics against voltage transients and electrostatic discharges. These include:
- Consumer electronics
- Computer systems
- Industrial equipment
- Automotive systems (e.g., protection from load dump)
- Telecommunications equipment
- Protection of ICs, MOSFETs, and signal lines in sensor units
Q & A
- What is the primary function of the SM6T39AHM3/I?
The primary function of the SM6T39AHM3/I is to protect sensitive electronic equipment from voltage transients and electrostatic discharges.
- What is the peak pulse power capability of the SM6T39AHM3/I?
The SM6T39AHM3/I has a peak pulse power capability of 600 W with a 10/1000 μs waveform.
- What is the operating junction temperature range of the SM6T39AHM3/I?
The operating junction temperature range is -65 °C to +150 °C.
- What package type is the SM6T39AHM3/I available in?
The SM6T39AHM3/I is available in the SMB (DO-214AA) package.
- Is the SM6T39AHM3/I AEC-Q101 qualified?
- What are the typical applications of the SM6T39AHM3/I?
The SM6T39AHM3/I is used in consumer electronics, computer systems, industrial equipment, automotive systems, and telecommunications equipment.
- What standards does the SM6T39AHM3/I comply with?
The SM6T39AHM3/I complies with standards such as MSL level 1, per J-STD-020, UL94 V-0, J-STD-002, and JESD 22-B102 E3.
- What is the leakage current of the SM6T39AHM3/I at 25 °C and 85 °C?
The leakage current is 0.2 μA at 25 °C and 1 μA at 85 °C.
- Can the SM6T39AHM3/I be used in bidirectional applications?
No, the SM6T39AHM3/I is a unidirectional device. For bidirectional applications, devices with the CA suffix should be used.
- What is the power dissipation of the SM6T39AHM3/I on an infinite heatsink at TA = 50 °C?
The power dissipation is 5.0 W.
