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SFH6186-4 from INTERSIL

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SFH6186-4

Manufacturer: INTERSIL, infineon

Optocouplers

Partnumber Manufacturer Quantity Availability
SFH6186-4,SFH61864 INTERSIL, infineon 187 In Stock

Description and Introduction

Optocouplers The SFH6186-4 is a high-speed optocoupler manufactured by **INTERSIL** (now part of **Renesas Electronics**). Below are the key specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Isolation Voltage:** 5300 Vrms (min)  
- **Input Current (Forward Current - IF):** 5 mA (typical)  
- **Output Current (Collector Current - IC):** 50 mA (max)  
- **Current Transfer Ratio (CTR):** 50% (min) at IF = 5 mA  
- **Switching Speed (Propagation Delay):** 3 µs (max)  
- **Rise/Fall Time:** 0.5 µs (typical)  
- **Operating Temperature Range:** -55°C to +100°C  
- **Package Type:** DIP-6 (Dual Inline Package)  

### **Description:**  
The SFH6186-4 is a **high-speed optocoupler** designed for signal isolation in industrial, medical, and communication applications. It consists of an **infrared LED** optically coupled to a **phototransistor**, providing electrical isolation between input and output circuits.  

### **Features:**  
- **High-speed switching** for digital signal transmission  
- **Low power consumption**  
- **High isolation voltage (5300 Vrms)**  
- **Wide operating temperature range**  
- **Compact DIP-6 package**  
- **Compliant with safety standards (UL, CSA, VDE)**  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Optocouplers

Alternative Part Number

  • PC817C --: Industry-standard 4-pin DIP optocoupler with similar CTR range and isolation, widely available and pin-compatible for most designs.
  • LTV-817S --: Low-cost 4-pin DIP phototransistor optocoupler with comparable CTR and isolation voltage, suitable drop-in replacement in many circuits.
  • EL817 --: Common 4-pin DIP optocoupler with similar current transfer ratio and isolation ratings, good second-source option.
  • TLP281-4 --: Quad-channel phototransistor optocoupler with similar CTR and isolation ratings, widely available and pin-compatible in many designs.
  • PC817 --: Single-channel phototransistor optocoupler with comparable CTR and isolation voltage, suitable when channel count can be adapted.
  • LTV-847 --: Quad phototransistor optocoupler offering similar CTR and isolation performance as a cost-effective alternative.

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