ACPL-C87B-500E

Product Overview

Category

ACPL-C87B-500E belongs to the category of optocouplers or optoisolators.

Use

Optocouplers are electronic devices that provide electrical isolation between input and output circuits. They are commonly used to transfer signals between two circuits while keeping them electrically isolated, protecting sensitive components from voltage spikes or noise.

Characteristics

• Optocoupler Type: ACPL-C87B-500E
• Package Type: DIP (Dual Inline Package)
• Essence: Phototransistor Output Optocoupler
• Packaging/Quantity: 50 pieces per package

Specifications

The specifications for ACPL-C87B-500E are as follows:

• Isolation Voltage: 3750 Vrms
• Collector-Emitter Voltage: 70 V
• Current Transfer Ratio (CTR): 100% to 200%
• Maximum Forward Current: 60 mA
• Rise Time: 3 µs
• Fall Time: 2 µs
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The pin configuration for ACPL-C87B-500E is as follows:

```

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| | | LED | |___________|

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| | | Phototrans| | istor | |___________| ```

Functional Features

• High isolation voltage ensures reliable signal transmission.
• Phototransistor output provides high current transfer ratio.
• Fast response time allows for quick signal transmission.
• Wide operating temperature range enables usage in various environments.

Advantages and Disadvantages

Advantages

• Provides electrical isolation between input and output circuits.
• Protects sensitive components from voltage spikes or noise.
• Allows for signal transfer between different voltage levels.
• Compact and easy to integrate into electronic circuits.

Disadvantages

• Limited maximum forward current may restrict usage in high-power applications.
• Rise and fall times may affect the speed of signal transmission in certain applications.

Working Principles

ACPL-C87B-500E works based on the principle of optoelectronics. When an input signal is applied to the LED (Light Emitting Diode), it emits light. This light is then detected by the phototransistor, which generates a corresponding output signal. The electrical isolation between the input and output sides ensures that any noise or voltage spikes on one side do not affect the other side.

Detailed Application Field Plans

ACPL-C87B-500E finds applications in various fields, including:

1. Industrial Automation: Used for signal isolation and level shifting in control systems.
2. Power Electronics: Provides isolation in motor drives, power inverters, and switch-mode power supplies.
3. Telecommunications: Used for signal transmission and protection in communication systems.
4. Medical Equipment: Ensures safety and isolation in patient monitoring devices and medical instruments.
5. Automotive Electronics: Provides isolation in automotive control systems and battery management.

Detailed and Complete Alternative Models

Some alternative models to ACPL-C87B-500E include:

1. PC817: A widely used general-purpose optocoupler with similar characteristics.
2. TLP521: Optocoupler with higher isolation voltage and faster response time.
3. HCPL-4506: Optocoupler with higher current transfer ratio and extended temperature range.

These alternative models can be considered based on specific application requirements and desired specifications.

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