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SFH618A-5 from INFINEON

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SFH618A-5

Manufacturer: INFINEON

Optocouplers
Partnumber Manufacturer Quantity Availability
SFH618A-5,SFH618A5 INFINEON 1420 In Stock

Description and Introduction

Optocouplers The SFH618A-5 is an optocoupler manufactured by Infineon. Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Isolation Voltage:** 5300 VRMS  
- **Current Transfer Ratio (CTR):** 130% (min) at 5 mA forward current (IF))  
- **Forward Current (IF):** 60 mA (max)  
- **Collector-Emitter Voltage (VCEO):** 70 V  
- **Operating Temperature Range:** -55°C to +110°C  
- **Switching Time (ton/toff):** 4 μs / 3 μs (typical)  
- **Package:** DIP-6  

### **Description:**  
The SFH618A-5 is a high-reliability optocoupler with a GaAs infrared LED optically coupled to a phototransistor. It provides electrical isolation between input and output circuits, making it suitable for signal transmission in high-voltage environments.  

### **Features:**  
- High isolation voltage (5300 VRMS)  
- High current transfer ratio (CTR) for efficient signal transmission  
- Compact DIP-6 package  
- Wide operating temperature range (-55°C to +110°C)  
- Fast switching times for digital applications  
- Compliant with safety standards (UL, CSA, VDE)  

This information is based on Infineon's official datasheet for the SFH618A-5 optocoupler.

Application Scenarios & Design Considerations

Optocouplers

Alternative Part Number

  • PC817X5NSZ0F --: Industry-standard general-purpose optocoupler with CTR bin comparable to the SFH618A-5; widely available and pin-compatible in DIP-4.
  • LTV-817S-TA1 --: Low-cost DIP-4 phototransistor optocoupler with similar CTR range and isolation ratings, suitable as a drop-in replacement.
  • EL817(C)-V --: Popular 5-pin DIP optocoupler with CTR grade matching the -5 bin, offering similar current transfer ratio and isolation performance.
  • EL817S1(C)(TU)-F --: Reliable DIP optocoupler with similar CTR binning and 5kV isolation, suitable as a drop-in alternative for many designs.

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