ZHT431F02TC - English Editing Encyclopedia Entry

Product Overview

Category

ZHT431F02TC belongs to the category of voltage references.

Use

It is primarily used as a precision shunt regulator in various electronic circuits.

Characteristics

• Provides stable and accurate voltage reference.
• Low temperature coefficient.
• High accuracy and precision.
• Wide operating voltage range.
• Low power consumption.

Package

ZHT431F02TC is available in a small surface-mount package, making it suitable for compact electronic devices.

Essence

The essence of ZHT431F02TC lies in its ability to provide a stable and precise voltage reference, ensuring reliable performance of electronic circuits.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 36V
• Output Voltage Range: 1.24V to 20V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ZHT431F02TC features a three-pin configuration:

1. Reference Input (REF): This pin is connected to an external resistor divider network to set the desired output voltage.
2. Cathode (CATH): The regulated output voltage is obtained from this pin.
3. Anode (ANOD): Connected to the ground or negative terminal of the power supply.

Functional Features

• Voltage Regulation: ZHT431F02TC maintains a constant output voltage regardless of input voltage fluctuations.
• Current Limiting: It incorporates current limiting functionality to protect the circuit from excessive current flow.
• Low Dropout Voltage: The device operates efficiently even when the input voltage is close to the output voltage.

Advantages and Disadvantages

Advantages

• High accuracy and precision ensure reliable performance.
• Wide operating voltage range allows for versatile applications.
• Low power consumption minimizes energy usage.
• Small package size enables integration into compact electronic devices.

Disadvantages

• Limited output current capability.
• Requires an external resistor divider network for voltage setting.

Working Principles

ZHT431F02TC operates based on the principle of a shunt regulator. It compares the reference voltage at the REF pin with the voltage across the cathode and anode pins. By adjusting the current flowing through the device, it regulates the output voltage to match the reference voltage.

Detailed Application Field Plans

ZHT431F02TC finds extensive application in various electronic systems, including: 1. Power supplies and voltage regulators. 2. Battery charging circuits. 3. Audio amplifiers and preamplifiers. 4. Instrumentation and measurement equipment. 5. Automotive electronics. 6. Industrial control systems.

Detailed and Complete Alternative Models

1. LM4040: A popular alternative voltage reference with similar specifications and features.
2. TL431: Another widely used shunt regulator offering comparable performance.
3. LT1236: Precision voltage reference suitable for demanding applications.

These alternative models provide similar functionality and can be considered as substitutes for ZHT431F02TC in different applications.

Word count: 413 words