Overview
The SM15T68AHM3/I is a transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, designed to provide protection against voltage transients in various electronic systems. The SM15T68AHM3/I is particularly suited for applications requiring high peak pulse power capability and excellent clamping characteristics.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | 16.3 | A |
| Stand-Off Voltage | VWM | 92 | V |
| Breakdown Voltage (Unidirectional) | VBR | 100 | V |
| Maximum Clamping Voltage (10/1000 μs) | VC | 120 | V |
| Power Dissipation on Infinite Heatsink | PD | 6.5 | W |
| Peak Forward Surge Current (10 ms single half sine-wave) | IFSM | 200 | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Package Type | SMC (DO-214AB) |
Key Features
- Low Profile Package: Ideal for automated placement and space-saving designs.
- High Peak Pulse Power Capability: 1500 W with a 10/1000 μs waveform.
- Excellent Clamping Capability: Effective in protecting against voltage transients.
- Low Inductance: Minimizes the impact of inductive loads.
- AEC-Q101 Qualified: Suitable for automotive applications.
- Glass Passivated Chip Junction: Enhances reliability and performance.
- Available in Unidirectional and Bidirectional Configurations: Versatile for various application needs.
Applications
The SM15T68AHM3/I is used in a variety of applications to protect sensitive electronics against voltage transients. These include:
- Automotive Systems: Protection against load dump and other transient events.
- Consumer Electronics: Protection of ICs, MOSFETs, and signal lines in consumer devices.
- Industrial Equipment: Protection against transients induced by large coils or industrial motors.
- Telecommunications: Protection of signal lines and sensitive electronics in telecommunication systems.
- Computing Systems: Protection of ICs and other sensitive components in computing hardware.
Q & A
- What is the peak power dissipation of the SM15T68AHM3/I?
The peak power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the stand-off voltage of the SM15T68AHM3/I?
The stand-off voltage (VWM) is 92 V.
- What is the maximum clamping voltage of the SM15T68AHM3/I?
The maximum clamping voltage (VC) is approximately 120 V for a 10/1000 μs waveform.
- What is the package type of the SM15T68AHM3/I?
The package type is SMC (DO-214AB).
- Is the SM15T68AHM3/I AEC-Q101 qualified?
- What is the operating junction and storage temperature range of the SM15T68AHM3/I?
The operating junction and storage temperature range is -65 to +150 °C.
- What are the typical applications of the SM15T68AHM3/I?
Typical applications include protection against voltage transients in automotive, consumer electronics, industrial equipment, telecommunications, and computing systems.
- What is the peak forward surge current of the SM15T68AHM3/I?
The peak forward surge current (IFSM) is 200 A for a 10 ms single half sine-wave.
- Does the SM15T68AHM3/I come in both unidirectional and bidirectional configurations?
- What is the thermal resistance of the SM15T68AHM3/I?
The typical thermal resistance, junction to ambient air (RθJA), is 75 °C/W.
