1.5KA47HE3/54 Encyclopedia Entry

Product Overview

The 1.5KA47HE3/54 belongs to the category of transient voltage suppressor diodes. These diodes are designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge. They are commonly used in electronic circuits to limit the voltage spikes and protect the connected devices.

Basic Information Overview

• Category: Transient Voltage Suppressor Diodes
• Use: Protection against voltage transients
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: DO-201AD (SMA), DO-15 (DO-204AC)
• Essence: Safeguarding electronic components from voltage spikes
• Packaging/Quantity: Available in reels or bulk packaging

Specifications

• Voltage Rating: 47V
• Peak Pulse Power: 1500W
• Breakdown Voltage: 52.4V
• Operating Temperature Range: -55°C to +175°C
• Mounting Type: Surface Mount or Through Hole

Detailed Pin Configuration

The 1.5KA47HE3/54 typically has two pins for connection. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Fast response to transient over-voltage events
• Low clamping voltage to protect downstream components
• High surge current capability for robust protection

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Wide operating temperature range

Disadvantages

• Limited breakdown voltage compared to higher-rated devices
• Requires careful consideration of placement in circuit design

Working Principles

When a voltage transient occurs, the diode conducts and clamps the voltage to a safe level, protecting the connected circuitry. The diode returns to its high-resistance state once the transient event subsides.

Detailed Application Field Plans

The 1.5KA47HE3/54 is widely used in various applications including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• 1.5KE47CA
• P6KE47CA
• SA47A

In conclusion, the 1.5KA47HE3/54 transient voltage suppressor diode offers effective protection against voltage transients with its fast response time, low clamping voltage, and high surge current capability. Its wide application field and availability of alternative models make it a versatile choice for circuit protection.

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