ACPL-C87A-500E

Product Overview

Category

ACPL-C87A-500E belongs to the category of optocouplers or optoisolators.

Use

Optocouplers are electronic components used to transfer electrical signals between two isolated circuits. They provide electrical isolation and protect sensitive components from high voltages or noise.

Characteristics

• Optocouplers consist of an LED (light-emitting diode) and a phototransistor or photodiode.
• They can transmit signals across an isolation barrier, typically using light as the medium.
• Optocouplers offer high voltage isolation and noise immunity.
• They are commonly used in applications requiring signal isolation, such as power supplies, motor control, and communication systems.

Package

The ACPL-C87A-500E optocoupler is available in a compact package, suitable for surface mount technology (SMT).

Essence

The essence of the ACPL-C87A-500E optocoupler lies in its ability to provide galvanic isolation between input and output circuits, ensuring safe signal transmission.

Packaging/Quantity

The ACPL-C87A-500E optocoupler is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Isolation Voltage: 5000 Vrms
• Input Current: 5 mA
• Output Voltage: 30 V
• Operating Temperature Range: -40°C to +105°C
• Rise/Fall Time: 10 μs

Detailed Pin Configuration

The ACPL-C87A-500E optocoupler has a 4-pin configuration:

1. Pin 1: Anode (LED Anode)
2. Pin 2: Cathode (LED Cathode)
3. Pin 3: Collector (Phototransistor Collector)
4. Pin 4: Emitter (Phototransistor Emitter)

Functional Features

• High isolation voltage ensures reliable signal transmission.
• Fast response time allows for efficient data transfer.
• Compact package enables space-saving designs.
• Low power consumption makes it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Provides galvanic isolation, protecting sensitive components.
• Offers high voltage isolation and noise immunity.
• Compact size allows for versatile integration.
• Suitable for a wide range of applications.

Disadvantages

• Limited operating temperature range (-40°C to +105°C).
• Rise/fall time may not be suitable for high-speed applications.

Working Principles

The ACPL-C87A-500E optocoupler operates based on the principle of optical coupling. When an electrical signal is applied to the input LED, it emits light. This light is then detected by the phototransistor or photodiode in the output circuit, generating a corresponding electrical signal. The input and output circuits are electrically isolated, ensuring safe signal transmission.

Detailed Application Field Plans

The ACPL-C87A-500E optocoupler finds applications in various fields, including:

1. Power Supplies: Isolating control signals in switch-mode power supplies.
2. Motor Control: Protecting control circuitry in motor drives.
3. Communication Systems: Isolating signals in communication interfaces.
4. Industrial Automation: Ensuring signal integrity in PLCs (Programmable Logic Controllers) and industrial control systems.

Detailed and Complete Alternative Models

1. ACPL-C87B-500E: Similar to ACPL-C87A-500E with extended operating temperature range (-40°C to +125°C).
2. ACPL-C87C-500E: Higher voltage rating (10,000 Vrms) for increased isolation capabilities.
3. ACPL-C87D-500E: Faster rise/fall time (5 μs) for high-speed applications.

These alternative models offer similar functionality with slight variations in specifications to cater to specific application requirements.

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