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TLP621

Photocoupler GaAs Ired & Photo -Transistor

Partnumber Manufacturer Quantity Availability
TLP621 13800 In Stock

Description and Introduction

Photocoupler GaAs Ired & Photo -Transistor The TLP621 is an optocoupler (photocoupler) manufactured by Toshiba. Below are its key specifications, descriptions, and features:

### **Manufacturer Specifications:**  
- **Isolation Voltage:** 5,000 Vrms (min)  
- **Current Transfer Ratio (CTR):** 50% (min) at IF = 5 mA, VCE = 5 V  
- **Input Forward Current (IF):** 50 mA (max)  
- **Reverse Voltage (VR):** 5 V (max)  
- **Collector-Emitter Voltage (VCEO):** 55 V (min)  
- **Emitter-Collector Voltage (VECO):** 7 V (min)  
- **Operating Temperature Range:** -55°C to +110°C  
- **Switching Speed (Turn-On Time / Turn-Off Time):** 4 μs / 3 μs (typical)  

### **Descriptions:**  
- The TLP621 consists of a GaAs infrared LED optically coupled to a silicon phototransistor.  
- It is designed for signal transmission between circuits while maintaining electrical isolation.  
- Available in a 4-pin DIP (Dual Inline Package) configuration.  

### **Features:**  
- **High Isolation Voltage:** Ensures reliable electrical separation between input and output.  
- **Compact Design:** Suitable for space-constrained applications.  
- **Wide Operating Temperature Range:** Supports industrial and automotive environments.  
- **Low CTR Degradation:** Provides stable performance over time.  
- **Compliant with Safety Standards:** Meets UL, cUL, and VDE certifications.  

This information is based solely on the manufacturer's datasheet for the TLP621 optocoupler.

Application Scenarios & Design Considerations

Photocoupler GaAs Ired & Photo -Transistor

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