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TLP781 from TOSHIBA

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TLP781

Manufacturer: TOSHIBA

Photocoupler (phototransistor output)

Partnumber Manufacturer Quantity Availability
TLP781 TOSHIBA 24000 In Stock

Description and Introduction

Photocoupler (phototransistor output) The TLP781 is an optocoupler manufactured by Toshiba. Below are its specifications, descriptions, and features based on the available knowledge:  

### **Specifications:**  
- **Isolation Voltage:** 5000 Vrms (min)  
- **Collector-Emitter Voltage (VCEO):** 80 V  
- **Collector Current (IC):** 50 mA  
- **Current Transfer Ratio (CTR):** 50% (min) at IF = 5 mA  
- **Input Forward Current (IF):** 50 mA (max)  
- **Forward Voltage (VF):** 1.15 V (typ) at IF = 5 mA  
- **Operating Temperature Range:** -55°C to +110°C  
- **Package Type:** 4-pin DIP  

### **Descriptions:**  
- The TLP781 is a photocoupler (optocoupler) consisting of a GaAs infrared LED optically coupled to a phototransistor.  
- It provides electrical isolation between input and output circuits.  
- Suitable for applications requiring high-voltage isolation and signal transmission.  

### **Features:**  
- High isolation voltage (5000 Vrms)  
- Compact DIP package  
- High current transfer ratio (CTR)  
- Reliable performance in harsh environments  
- Compatible with standard soldering processes  

This information is based on Toshiba's official documentation for the TLP781 optocoupler.

Application Scenarios & Design Considerations

Photocoupler (phototransistor output)

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