Overview
The SM15T68CAHE3_A/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 high overvoltage protection through clamping action. It is particularly suited for applications requiring robust protection against voltage transients, such as those induced by inductive load switching and lightning.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Reverse Standoff (Typ) | 58.1 | V |
| Voltage - Clamping (Max) @ Ipp | 121 | V |
| Voltage - Breakdown (Min) | 64.6 | V |
| Peak Power Dissipation (10/1000 μs waveform) | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | 83 | A |
| Operating Temperature Range | -40°C to 150°C | |
| Package / Case | DO-214AB, SMC | |
| Mounting Type | Surface Mount | |
| Power Dissipation on Infinite Heatsink at TA = 50°C | 6.5 | W |
| Peak Forward Surge Current (10 ms single half sine-wave) | 200 | A |
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, providing robust protection against transient voltages.
- Excellent Clamping Capability: Effective in clamping voltage transients to a safe level.
- Low Inductance: Minimizes the impact of inductive effects in high-frequency applications.
- AEC-Q101 Qualified: Suitable for automotive applications, ensuring reliability and performance under stringent conditions.
- Glass Passivated Chip Junction: Enhances reliability and durability.
- Available in Unidirectional and Bidirectional Configurations: Flexible options to suit various application needs.
Applications
The SM15T68CAHE3_A/I TVS diode is designed for use in sensitive electronics to protect against voltage transients induced by inductive load switching and lightning. Typical applications include:
- Automotive Systems: Protection from load dump and other transient voltages in automotive electronics.
- Consumer Electronics: Protection of ICs, MOSFETs, and signal lines in consumer devices.
- Industrial and Telecommunication Equipment: Protection against voltage transients in industrial and telecommunication systems.
- Computer Systems: Protection of sensitive components in computer hardware.
Q & A
- What is the primary function of the SM15T68CAHE3_A/I TVS diode?
The primary function is to provide high overvoltage protection by clamping action, protecting sensitive electronics from voltage transients. - What is the peak power dissipation of the SM15T68CAHE3_A/I?
The peak power dissipation is 1500 W with a 10/1000 μs waveform. - What is the operating temperature range of the SM15T68CAHE3_A/I?
The operating temperature range is -40°C to 150°C. - Is the SM15T68CAHE3_A/I AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified, making it suitable for automotive applications. - What type of package does the SM15T68CAHE3_A/I use?
The package type is DO-214AB, SMC. - What is the peak pulse current rating of the SM15T68CAHE3_A/I?
The peak pulse current rating is 83 A with a 10/1000 μs waveform. - What are the typical applications of the SM15T68CAHE3_A/I?
Typical applications include automotive systems, consumer electronics, industrial and telecommunication equipment, and computer systems. - Does the SM15T68CAHE3_A/I have low inductance?
Yes, it has low inductance, which is beneficial in high-frequency applications. - Is the SM15T68CAHE3_A/I available in both unidirectional and bidirectional configurations?
Yes, it is available in both unidirectional and bidirectional configurations. - What is the maximum clamping voltage of the SM15T68CAHE3_A/I?
The maximum clamping voltage is 121 V at Ipp.
