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SFH617A-3 from SHARP

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SFH617A-3

Manufacturer: SHARP

6V; 50mA low input phototransistor optically coupled isolator

Partnumber Manufacturer Quantity Availability
SFH617A-3,SFH617A3 SHARP 796 In Stock

Description and Introduction

6V; 50mA low input phototransistor optically coupled isolator The **SFH617A-3** is an optocoupler manufactured by **SHARP**. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Type:** Phototransistor Output Optocoupler  
- **Isolation Voltage:** 5,000 Vrms (min)  
- **Collector-Emitter Voltage (VCEO):** 70 V  
- **Collector Current (IC):** 50 mA (max)  
- **Current Transfer Ratio (CTR):** 50% (min) at IF = 5 mA, VCE = 5 V  
- **Input Forward Current (IF):** 60 mA (max)  
- **Forward Voltage (VF):** 1.25 V (typ) at IF = 10 mA  
- **Response Time (tr/tf):** 3 μs / 4.7 μs (typ)  
- **Operating Temperature Range:** -55°C to +100°C  

### **Description:**  
The **SFH617A-3** is a high-reliability optocoupler designed for signal isolation in electronic circuits. It consists of an infrared LED optically coupled to a phototransistor, providing electrical isolation between input and output.  

### **Features:**  
- **High Isolation Voltage:** 5,000 Vrms for safety in high-voltage applications.  
- **Compact DIP-4 Package:** Standard 4-pin dual in-line package.  
- **High CTR:** Ensures efficient signal transfer.  
- **Fast Switching Speed:** Suitable for digital signal isolation.  
- **Wide Operating Temperature Range:** Reliable performance in harsh environments.  

This optocoupler is commonly used in power supply feedback circuits, industrial controls, and communication interfaces where electrical isolation is required.  

(Note: All details are based on manufacturer specifications.)

Application Scenarios & Design Considerations

6V; 50mA low input phototransistor optically coupled isolator

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