1.5KE12AE3/TR13 - Product Overview and Analysis

Introduction

The 1.5KE12AE3/TR13 is a transient voltage suppressor diode designed to protect electronic circuits from overvoltage transients. This entry provides an in-depth analysis of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Product Category and Use

The 1.5KE12AE3/TR13 belongs to the category of transient voltage suppressor diodes and is primarily used for surge protection in electronic circuits. It is commonly employed in applications where protection against voltage transients is essential, such as in power supplies, telecommunications equipment, industrial controls, and automotive electronics.

Characteristics

• Voltage Suppression: The 1.5KE12AE3/TR13 is capable of suppressing transient voltages up to 12V.
• Fast Response Time: It offers a fast response time to clamp transient voltages, thereby safeguarding sensitive components.
• Low Leakage Current: The diode exhibits low leakage current, ensuring minimal power dissipation during normal operation.
• High Surge Capability: It possesses high surge capability, making it suitable for withstanding large transient currents.

Package and Quantity

The 1.5KE12AE3/TR13 is typically available in a DO-201 package, which is a molded plastic case with axial leads. It is commonly supplied in reels or bulk packaging, with quantities varying based on the supplier and customer requirements.

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 12V
• Operating Temperature Range: -55°C to +175°C
• Reverse Standoff Voltage: 10.5V
• Maximum Clamping Voltage: 19.9V at 100A

Detailed Pin Configuration

The 1.5KE12AE3/TR13 features a standard axial lead configuration with two leads for connection to the circuit. The anode and cathode terminals are clearly marked for proper orientation during installation.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
• Fast Response: Rapidly responds to transient events, limiting the duration of overvoltage conditions.
• Low Capacitance: Exhibits low capacitance to minimize signal distortion in high-speed data lines.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Low leakage current
• High surge capability

Disadvantages

• Limited to specific voltage ratings
• Requires careful consideration of reverse standoff voltage

Working Principles

The 1.5KE12AE3/TR13 operates based on the principle of avalanche breakdown, where it rapidly conducts when subjected to overvoltage conditions, diverting excess energy away from the protected circuitry. This prevents damage to sensitive components by limiting the voltage across them.

Application Field Plans

The 1.5KE12AE3/TR13 finds extensive use in various applications, including: - Power supply units - Telecommunications equipment - Industrial control systems - Automotive electronics - Consumer electronics

Alternative Models

For applications requiring different voltage ratings or form factors, several alternative models can be considered, including: - 1.5KE6.8AE3/TR13 (6.8V rating) - 1.5KE15AE3/TR13 (15V rating) - SMAJ12A (Surface Mount Package)

In conclusion, the 1.5KE12AE3/TR13 transient voltage suppressor diode offers effective protection against voltage transients, with fast response times and low leakage current. Its application spans across diverse industries, and alternative models provide flexibility for varying requirements.

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