EL8178FWZ-T7A

Product Overview

• Category: Optocoupler
• Use: Isolation and signal transmission between two electrical circuits
• Characteristics: High-speed, high-gain, low-power consumption
• Package: SOP-4
• Essence: Phototransistor output optocoupler
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Isolation Voltage: 3750 Vrms
• Collector-Emitter Voltage: 80 V
• Emitter-Collector Voltage: 6 V
• Collector Current: 50 mA
• Power Dissipation: 150 mW
• Operating Temperature Range: -55°C to +110°C

Detailed Pin Configuration

The EL8178FWZ-T7A optocoupler has the following pin configuration:

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

Functional Features

• Provides electrical isolation between input and output circuits
• Transmits signals from one circuit to another using light
• Fast response time for high-speed applications
• Low power consumption for energy efficiency

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick signal transmission - High gain ensures accurate signal reproduction - Low power consumption reduces energy usage - Compact package size saves space in electronic designs

Disadvantages: - Limited maximum collector-emitter voltage may restrict certain applications - Sensitivity to ambient light may affect performance in bright environments

Working Principles

The EL8178FWZ-T7A optocoupler consists of an infrared LED and a phototransistor. When a current is applied to the LED, it emits infrared light. This light is then detected by the phototransistor, causing it to conduct current between its collector and emitter terminals. The optocoupler provides electrical isolation between the input and output circuits while allowing signal transmission through the modulation of light.

Detailed Application Field Plans

The EL8178FWZ-T7A optocoupler finds applications in various fields, including:

1. Industrial automation: Isolation and signal transmission in control systems
2. Telecommunications: Signal transmission between different voltage domains
3. Power electronics: Protection and feedback circuits in power supplies
4. Medical equipment: Isolation of sensitive components from high-voltage circuits
5. Automotive electronics: Isolation and noise reduction in automotive systems

Detailed and Complete Alternative Models

• EL817C
• PC817
• TLP621
• SFH620A
• PS2501-1

These alternative models offer similar functionality and can be used as substitutes for the EL8178FWZ-T7A optocoupler in various applications.

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