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TLP741J

Photocoupler GaAs Ired & Photo-Thyristor

Partnumber Manufacturer Quantity Availability
TLP741J 33 In Stock

Description and Introduction

Photocoupler GaAs Ired & Photo-Thyristor The TLP741J is an optocoupler (optical isolator) manufactured by Toshiba. Below are its key specifications, descriptions, and features:

### **Manufacturer:**  
Toshiba  

### **Description:**  
The TLP741J is a photocoupler consisting of a GaAs infrared LED optically coupled to a phototransistor. It is designed for signal isolation in electronic circuits, providing electrical isolation between input and output.  

### **Key Features:**  
- **Isolation Voltage:** 2500 Vrms (min)  
- **Current Transfer Ratio (CTR):** 50% (min) at IF = 5mA, VCE = 5V  
- **Input-Output Capacitance:** 0.6 pF (typical)  
- **High-Speed Response:** Turn-on time (ton) – 4 μs (max), Turn-off time (toff) – 3 μs (max)  
- **Operating Temperature Range:** -55°C to +110°C  
- **Package Type:** DIP-4 (Dual In-line Package, 4-pin)  

### **Applications:**  
- Signal isolation in industrial controls  
- Noise suppression in communication circuits  
- Microprocessor system interfacing  
- Power supply feedback circuits  

### **Electrical Characteristics:**  
- **Forward Current (IF):** 50 mA (max)  
- **Collector-Emitter Voltage (VCEO):** 30 V (min)  
- **LED Forward Voltage (VF):** 1.15 V (typical) at IF = 5mA  

This optocoupler is RoHS compliant and suitable for high-reliability applications.  

Would you like additional details on any specific parameter?

Application Scenarios & Design Considerations

Photocoupler GaAs Ired & Photo-Thyristor

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