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SFH615A-3

Optocouplers

Partnumber Manufacturer Quantity Availability
SFH615A-3,SFH615A3 1989 In Stock

Description and Introduction

Optocouplers The SFH615A-3 is an optocoupler manufactured by **Vishay Semiconductor Opto Division**. Here are its key specifications, descriptions, and features:

### **Descriptions:**  
- The SFH615A-3 is a **phototransistor optocoupler** designed for signal isolation in electronic circuits.  
- It consists of a **GaAs infrared LED** optically coupled to a **silicon NPN phototransistor**.  
- Provides **electrical isolation** between input and output circuits.  

### **Features:**  
- **High current transfer ratio (CTR):** Minimum 34% at 5mA input current.  
- **Isolation voltage:** 5300 Vrms (1 minute, according to UL 1577).  
- **Low coupling capacitance:** Typically 0.6 pF.  
- **Fast switching times:**  
  - Turn-on time (tON): 4 µs (max)  
  - Turn-off time (tOFF): 18 µs (max)  
- **Operating temperature range:** -55°C to +100°C.  
- **Package type:** DIP-6 (6-pin dual in-line package).  

### **Applications:**  
- Signal isolation in industrial controls.  
- Power supply feedback circuits.  
- Microprocessor system interfaces.  
- Medical and telecommunications equipment.  

Would you like additional details on any specific parameter?

Application Scenarios & Design Considerations

Optocouplers

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