1.5KA9.1HE3/51 Product Overview

Product Identification

The 1.5KA9.1HE3/51 belongs to the category of semiconductor devices and is specifically a TVS (Transient Voltage Suppressor) diode. It is commonly used for surge protection in electronic circuits.

Basic Information Overview

• Category: Semiconductor Devices
• Use: Surge protection in electronic circuits
• Characteristics: Fast response time, high surge current capability
• Package: SMC (DO-214AB)
• Essence: Protecting sensitive electronic components from voltage spikes
• Packaging/Quantity: Typically available in reels of 3000 units

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 9.1V
• Polarity: Unidirectional
• Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 1.5KA9.1HE3/51 typically has two pins, with the cathode connected to the semiconductor substrate and the anode connected to the top contact.

Functional Features

• Rapid response to transient overvoltage events
• Low clamping voltage to protect downstream components
• High surge current capability for robust protection

Advantages and Disadvantages

Advantages

• Effective protection against voltage surges
• Fast response time
• Compact package size

Disadvantages

• Unidirectional protection only
• Limited breakdown voltage options

Working Principles

When a voltage surge occurs, the TVS diode conducts and clamps the voltage to a safe level, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

The 1.5KA9.1HE3/51 is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the 1.5KA9.1HE3/51 include: - 1.5KE6.8A - P6SMBJ9.0A - SMAJ9.0A

In conclusion, the 1.5KA9.1HE3/51 TVS diode offers effective surge protection for electronic circuits, with fast response times and high surge current capability. While it has limitations such as unidirectional protection and limited breakdown voltage options, it is widely used in various applications across different industries.

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