Overview
The SM6T18AHM3/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 SM6T18AHM3/I is particularly suited for applications requiring high reliability and stability in various environments, including consumer, computer, industrial, automotive, and telecommunication sectors.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Stand-off Voltage (VWM) | 16.7 to 18.9 | V |
| Breakdown Voltage (VBR) | 18.8 to 20.9 | V |
| Peak Pulse Power (PPPM) | 600 | W (10/1000 μs) |
| Peak Pulse Current (IPPM) | 24 | A (10/1000 μs) |
| Power Dissipation (PD) | 5.0 | W |
| Forward Surge Current (IFSM) | 100 | A (10 ms single half sine-wave) |
| Operating Junction Temperature (TJ) | -65 to +150 | °C |
| Package | SMB (DO-214AA) | |
| Lead Finishing | Matte tin plated |
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 Inductance: Suitable for high-speed applications.
- AEC-Q101 Qualified: Available for automotive applications, ensuring high reliability under harsh conditions.
- RoHS and Halogen-Free Compliance: Meets environmental standards with M3 and HE3 suffix options.
- UL 94 V-0 Flammability Rating: Ensures safety in various applications.
Applications
The SM6T18AHM3/I TVS diode is used in a variety of applications to protect sensitive electronics against voltage transients and electrostatic discharges. These include:
- Automotive Systems: Protection against load dump and other transient voltages.
- Consumer Electronics: Protection of sensitive ICs and signal lines.
- Industrial Equipment: Protection against electrical overstress and surges.
- Telecommunication Equipment: Protection of signal lines and sensitive components.
- Computer Systems: Protection of ICs, MOSFETs, and other sensitive components.
Q & A
- What is the peak pulse power capability of the SM6T18AHM3/I?
The SM6T18AHM3/I has a peak pulse power capability of 600 W with a 10/1000 μs waveform.
- What is the breakdown voltage range for the SM6T18AHM3/I?
The breakdown voltage (VBR) range for the SM6T18AHM3/I is from 18.8 V to 20.9 V.
- What is the operating junction temperature range for this component?
The operating junction temperature range is from -65 °C to +150 °C.
- Is the SM6T18AHM3/I AEC-Q101 qualified?
- What package type is used for the SM6T18AHM3/I?
The component is packaged in an SMB (DO-214AA) package.
- What are the lead finishing options for this component?
The leads are matte tin plated, ensuring good solderability.
- Does the SM6T18AHM3/I meet environmental standards?
- What are some typical applications for the SM6T18AHM3/I?
It is used in automotive, consumer electronics, industrial equipment, telecommunication equipment, and computer systems to protect against voltage transients and electrostatic discharges.
- What is the forward surge current rating for the SM6T18AHM3/I?
The forward surge current rating is 100 A for a 10 ms single half sine-wave.
- Does the SM6T18AHM3/I have low inductance?
