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SFH610A-4 from VISHAY

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SFH610A-4

Manufacturer: VISHAY, SIEMENS

Optocouplers

Partnumber Manufacturer Quantity Availability
SFH610A-4,SFH610A4 VISHAY, SIEMENS 621 In Stock

Description and Introduction

Optocouplers The SFH610A-4 is an optocoupler (or optoisolator) manufactured by **Vishay Semiconductors**. Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Isolation Voltage:** 5300 Vrms (minimum)  
- **Current Transfer Ratio (CTR):** 20% to 40% (at IF = 10 mA, VCE = 5 V)  
- **Input Forward Current (IF):** 60 mA (maximum)  
- **Reverse Voltage (VR):** 6 V  
- **Collector-Emitter Voltage (VCEO):** 70 V  
- **Emitter-Collector Voltage (VECO):** 7 V  
- **Operating Temperature Range:** -55°C to +110°C  
- **Package Type:** DIP-6 (Dual In-line Package, 6-pin)  

### **Description:**  
The SFH610A-4 is a **phototransistor-based optocoupler** designed for signal isolation in electronic circuits. It consists of an **infrared LED** optically coupled to a **silicon NPN phototransistor**, providing electrical isolation between input and output.  

### **Features:**  
- **High isolation voltage** (5300 Vrms) for safety in high-voltage applications.  
- **Compact DIP-6 package** for easy PCB mounting.  
- **Fast switching response** (typical rise/fall time in microseconds).  
- **Wide operating temperature range** (-55°C to +110°C).  
- **Low power consumption** due to efficient LED-phototransistor coupling.  
- **Compliant with industry standards** for optocoupler performance.  

This optocoupler is commonly used in **power supplies, industrial controls, and communication systems** where electrical isolation is required.  

(Note: Always refer to the official datasheet for precise technical details.)

Application Scenarios & Design Considerations

Optocouplers

Alternative Part Number

  • PC817C --: Industry-standard optocoupler with similar CTR range and pinout, widely available and cost-effective direct substitute.
  • LTV-817S --: Equivalent 4-pin DIP optocoupler with comparable isolation voltage and current transfer ratio, pin-compatible replacement.
  • EL817 --: Common optocoupler alternative with similar electrical characteristics and package, suitable for general isolation applications.
  • EL817C --: Pin-compatible optocoupler offering similar CTR binning and isolation ratings for general-purpose isolation.

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