Overview
The SM15T12AHE3/9AT is a Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This component is designed to provide protection against voltage transients and electrostatic discharges (ESD) in various electronic systems. It is part of Vishay's extensive portfolio of discrete semiconductors, which are widely used in industrial, computing, automotive, consumer, telecommunications, military, aerospace, and medical markets.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage Clamp (Vc) | 16.7 | V |
| Peak Pulse Current (Ipp) | 90 | A |
| Power Dissipation | 1.5 | kW |
| Breakdown Voltage (Vbr) | 12 | V (5% tolerance) |
| Package Type | DO-214AB (SMCJ) | |
| Qualification | AEC-Q101 Qualified |
Key Features
- High Power Dissipation: Capable of handling up to 1.5 kW of power, making it suitable for high-energy transient protection.
- Low Leakage Current: Ensures minimal current draw under normal operating conditions.
- AEC-Q101 Qualified: Meets the stringent requirements for automotive applications, ensuring reliability and performance in harsh environments.
- Surface Mount Package: DO-214AB (SMCJ) package for easy integration into surface mount PCB designs.
- ESD Protection: Provides robust protection against electrostatic discharges.
Applications
- Automotive Systems: Suitable for use in automotive electronics due to its AEC-Q101 qualification.
- Industrial Control Systems: Protects against voltage transients in industrial control and automation systems.
- Telecommunications Equipment: Used to safeguard telecommunications equipment from power surges and ESD.
- Consumer Electronics: Provides protection in consumer electronic devices such as smartphones, tablets, and laptops.
- Aerospace and Military: Meets the high reliability standards required for aerospace and military applications.
Q & A
- What is the primary function of the SM15T12AHE3/9AT diode?
The primary function of the SM15T12AHE3/9AT diode is to provide transient voltage suppression and ESD protection in electronic systems.
- What is the voltage clamp rating of the SM15T12AHE3/9AT?
The voltage clamp rating of the SM15T12AHE3/9AT is 16.7 V.
- What is the peak pulse current (Ipp) rating of this diode?
The peak pulse current (Ipp) rating of the SM15T12AHE3/9AT is 90 A.
- What type of package does the SM15T12AHE3/9AT come in?
The SM15T12AHE3/9AT comes in a DO-214AB (SMCJ) surface mount package.
- Is the SM15T12AHE3/9AT qualified for automotive use?
Yes, the SM15T12AHE3/9AT is AEC-Q101 qualified, making it suitable for automotive applications.
- What is the power dissipation capability of the SM15T12AHE3/9AT?
The SM15T12AHE3/9AT can handle up to 1.5 kW of power dissipation.
- What are some common applications for the SM15T12AHE3/9AT?
Common applications include automotive systems, industrial control systems, telecommunications equipment, consumer electronics, and aerospace and military systems.
- Why is the SM15T12AHE3/9AT important in electronic designs?
The SM15T12AHE3/9AT is important because it provides robust protection against voltage transients and ESD, ensuring the reliability and longevity of electronic systems.
- How does the SM15T12AHE3/9AT protect against ESD?
The SM15T12AHE3/9AT protects against ESD by clamping voltage spikes to a safe level, preventing damage to sensitive electronic components.
- Where can I purchase the SM15T12AHE3/9AT?
The SM15T12AHE3/9AT can be purchased from distributors such as Digi-Key, Mouser Electronics, and other authorized Vishay distributors.
