ACPL-C797T-500E

Product Overview

Category

ACPL-C797T-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 a light-emitting diode (LED) and a phototransistor or photodiode.
• They can transmit signals across an isolation barrier, typically using light as the medium.
• Optocouplers offer high voltage isolation, fast response times, and low power consumption.
• They are commonly used in applications requiring signal isolation, such as in power supplies, motor control, and communication systems.

Package

The ACPL-C797T-500E optocoupler is available in a compact package, suitable for surface mount technology (SMT) assembly.

Essence

The essence of the ACPL-C797T-500E optocoupler lies in its ability to provide galvanic isolation between input and output circuits, ensuring safe and reliable signal transmission.

Packaging/Quantity

The ACPL-C797T-500E optocoupler is typically packaged in reels or tubes, with a quantity of 500 units per package.

Specifications

• Isolation Voltage: 5000 Vrms
• Current Transfer Ratio: 50% to 600%
• Collector-Emitter Voltage: 70 V
• Operating Temperature Range: -40°C to +100°C
• Rise and Fall Time: 10 μs (max)
• Forward Current: 5 mA (typ)

Detailed Pin Configuration

The ACPL-C797T-500E optocoupler has a 4-pin configuration:

1. Pin 1: Anode (A1)
2. Pin 2: Cathode (K1)
3. Pin 3: Collector (C1)
4. Pin 4: Emitter (E1)

Functional Features

• High isolation voltage ensures protection against voltage spikes and noise.
• Wide operating temperature range allows for versatile usage in various environments.
• Fast rise and fall times enable efficient signal transmission.
• Compact package facilitates space-saving designs.

Advantages and Disadvantages

Advantages

• Provides galvanic isolation, protecting sensitive components.
• Low power consumption.
• Fast response times.
• Suitable for SMT assembly.

Disadvantages

• Limited current transfer ratio range.
• Requires careful handling due to sensitivity to static electricity.

Working Principles

The ACPL-C797T-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-C797T-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 data communication interfaces.
4. Industrial Automation: Ensuring safety and reliability in control systems.

Detailed and Complete Alternative Models

1. ACPL-C790T-500E: Similar optocoupler with higher current transfer ratio.
2. ACPL-C798T-500E: Similar optocoupler with lower collector-emitter voltage rating.
3. ACPL-C799T-500E: Similar optocoupler with extended temperature range.

(Note: The above alternative models are for illustrative purposes and may not represent an exhaustive list.)

In conclusion, the ACPL-C797T-500E optocoupler is a versatile component that provides galvanic isolation and efficient signal transmission. Its compact package, wide operating temperature range, and high isolation voltage make it suitable for various applications in power supplies, motor control, communication systems, and industrial automation. While it has advantages such as low power consumption and fast response times, it also has limitations regarding its current transfer ratio range and sensitivity to static electricity. Engineers can consider alternative models based on specific requirements.