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SFH619A

Optocoupler, Photodarlington Output, High Gain, 300 V BVCEO

Partnumber Manufacturer Quantity Availability
SFH619A 1000 In Stock

Description and Introduction

Optocoupler, Photodarlington Output, High Gain, 300 V BVCEO The SFH619A is an optocoupler manufactured by Vishay Semiconductors. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Isolation Voltage:** 5300 VRMS  
- **Collector-Emitter Voltage (VCEO):** 70 V  
- **Collector Current (IC):** 50 mA  
- **Current Transfer Ratio (CTR):** 50% (minimum at IF = 5 mA, VCE = 5 V)  
- **Input Forward Current (IF):** 60 mA (maximum)  
- **Forward Voltage (VF):** 1.65 V (typical at IF = 10 mA)  
- **Switching Time (ton/toff):** 4 µs / 3 µs  
- **Operating Temperature Range:** -55°C to +100°C  

### **Description:**  
The SFH619A is a high-reliability optocoupler featuring a gallium arsenide (GaAs) infrared LED optically coupled to a silicon phototransistor. It provides electrical isolation between input and output circuits, making it suitable for applications requiring signal isolation and noise immunity.  

### **Features:**  
- High isolation voltage (5300 VRMS)  
- Compact DIP-6 package  
- High current transfer ratio (CTR)  
- Fast switching times  
- Wide operating temperature range  
- Compliant with safety standards (UL, CSA, VDE)  

This optocoupler is commonly used in power supplies, industrial controls, and communication systems for signal isolation and noise suppression.

Application Scenarios & Design Considerations

Optocoupler, Photodarlington Output, High Gain, 300 V BVCEO

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