EL8178BIW-T7

Product Overview

Category: Optocoupler
Use: Signal isolation and voltage level shifting
Characteristics: High-speed, high-gain, low-power consumption
Package: 4-pin DIP (Dual Inline Package)
Essence: Phototransistor output optocoupler
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Isolation Voltage: 3750 Vrms
• Collector-Emitter Voltage: 80 V
• Current Transfer Ratio: 50% to 600%
• Rise Time: 18 µs
• Fall Time: 15 µs
• Power Dissipation: 70 mW
• Operating Temperature Range: -55°C to +110°C

Detailed Pin Configuration

1. Anode (A)
2. Cathode (K)
3. Emitter (E)
4. Collector (C)

Functional Features

• High-speed response time
• High current transfer ratio
• Low input current requirement
• Low power consumption
• Wide operating temperature range

Advantages

• Provides electrical isolation between input and output circuits
• Allows voltage level shifting between different systems
• Suitable for applications requiring signal amplification
• Compact and easy to integrate into circuit designs
• Reliable performance in harsh environments

Disadvantages

• Limited maximum collector-emitter voltage
• Sensitivity to ambient light interference
• Requires careful handling during installation due to its delicate nature

Working Principles

The EL8178BIW-T7 is an optocoupler that utilizes a phototransistor to provide electrical isolation between the input and output circuits. When an input current flows through the LED (Anode and Cathode), it emits light that activates the phototransistor. The activated phototransistor allows current to flow between the Collector and Emitter, providing signal transfer and isolation.

Detailed Application Field Plans

The EL8178BIW-T7 is commonly used in various applications, including:

1. Industrial automation: Signal isolation in control systems, PLCs (Programmable Logic Controllers), and motor drives.
2. Telecommunications: Voltage level shifting in communication interfaces, such as RS-232 and RS-485.
3. Power electronics: Isolation and voltage level shifting in power supplies, inverters, and converters.
4. Medical equipment: Signal isolation in patient monitoring devices and medical imaging systems.
5. Automotive electronics: Isolation and signal amplification in automotive control modules and sensors.

Detailed and Complete Alternative Models

1. EL8178BIW
2. EL8178BIW-TA3
3. EL8178BIW-TD3
4. EL8178BIW-TG3
5. EL8178BIW-TP3

These alternative models offer similar functionality and characteristics, providing flexibility for different design requirements.

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