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SFH6343 from INFINEON

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SFH6343

Manufacturer: INFINEON

HIGH SPEED OPTOCOUPLER

Partnumber Manufacturer Quantity Availability
SFH6343 INFINEON 910 In Stock

Description and Introduction

HIGH SPEED OPTOCOUPLER The SFH6343 is an optocoupler manufactured by **Infineon Technologies**. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Isolation Voltage:** 5300 VRMS (min)  
- **Input Current (IF):** 10 mA (typical)  
- **Forward Voltage (VF):** 1.5 V (typical at IF = 10 mA)  
- **Output Collector Current (IC):** 50 mA (max)  
- **Collector-Emitter Voltage (VCEO):** 70 V (max)  
- **Current Transfer Ratio (CTR):** 50% (min at IF = 10 mA, VCE = 5 V)  
- **Switching Speed (ton/toff):** 4 µs / 3 µs (typical)  
- **Operating Temperature Range:** -55°C to +110°C  

### **Description:**  
The SFH6343 is a high-speed **optocoupler** with a **GaAs infrared LED** input and a **phototransistor output**. It provides **galvanic isolation** between input and output circuits, making it suitable for applications requiring high-voltage isolation and noise immunity.  

### **Features:**  
- **High isolation voltage (5300 VRMS)**  
- **High-speed switching (4 µs rise time, 3 µs fall time)**  
- **Compact DIP-6 package**  
- **Wide operating temperature range (-55°C to +110°C)**  
- **Low CTR degradation over time**  
- **Suitable for digital signal transmission**  

This information is based solely on Infineon's datasheet for the SFH6343 optocoupler.

Application Scenarios & Design Considerations

HIGH SPEED OPTOCOUPLER

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