ACPL-C79A-500E

Product Overview

Category

ACPL-C79A-500E belongs to the category of optocouplers or optoisolators.

Use

This product is commonly used for electrical isolation and signal transmission between two circuits. It provides protection against voltage spikes, noise, and other electrical disturbances.

Characteristics

• Optocoupler type: ACPL-C79A-500E
• Package: 8-pin DIP (Dual Inline Package)
• Essence: Phototransistor output optocoupler
• Packaging/Quantity: Available in reels, with a quantity of 1000 units per reel

Specifications

The specifications of ACPL-C79A-500E are as follows:

• Isolation voltage: 3750 Vrms
• Current transfer ratio: 50% to 600%
• Collector-emitter voltage: 70 V
• Collector current: 50 mA
• Rise time: 3 µs
• Fall time: 2 µs
• Operating temperature range: -40°C to +100°C

Pin Configuration

The pin configuration of ACPL-C79A-500E is as follows:

1. Anode (Pin 1)
2. Cathode (Pin 2)
3. NC (No Connection)
4. Emitter (Pin 4)
5. Collector (Pin 5)
6. Base (Pin 6)
7. NC (No Connection)
8. NC (No Connection)

Functional Features

ACPL-C79A-500E offers the following functional features:

• High isolation voltage for enhanced safety and protection.
• Phototransistor output allows for easy interfacing with digital or analog circuits.
• Fast response time ensures efficient signal transmission.
• Compact package design enables space-saving integration into various applications.

Advantages and Disadvantages

Advantages: - Provides electrical isolation between input and output circuits. - Protects sensitive components from voltage spikes and noise. - Suitable for a wide range of applications due to its versatile nature.

Disadvantages: - Limited operating temperature range may restrict usage in extreme environments. - Requires careful handling during installation to prevent damage to the optocoupler.

Working Principles

ACPL-C79A-500E operates based on the principle of optical coupling. When an input signal is applied to the LED (Light Emitting Diode) side, it emits light that activates the phototransistor on the output side. This optical coupling ensures electrical isolation while allowing signal transmission.

Detailed Application Field Plans

ACPL-C79A-500E finds application in various fields, including:

1. Industrial automation: Used for isolating control signals in motor drives, power supplies, and PLC (Programmable Logic Controller) systems.
2. Telecommunications: Ensures signal integrity and protection in communication equipment, such as modems, routers, and switches.
3. Medical devices: Provides isolation in patient monitoring systems, medical imaging equipment, and laboratory instruments.
4. Automotive electronics: Used for isolating signals in automotive control modules, battery management systems, and electric vehicle charging stations.

Detailed and Complete Alternative Models

Some alternative models similar to ACPL-C79A-500E are:

1. PC817: A widely used 4-pin optocoupler with similar characteristics and package type.
2. TLP621: Another 8-pin optocoupler with higher isolation voltage and faster response time.
3. SFH617A: A compact 6-pin optocoupler suitable for space-constrained applications.

These alternative models can be considered based on specific requirements and compatibility with the target application.

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