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TLP521-1- from TOS,TOSHIBA

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TLP521-1-

Manufacturer: TOS

Photocoupler GaAs Ired & Photo -Transistor

Partnumber Manufacturer Quantity Availability
TLP521-1-,TLP5211 TOS 381 In Stock

Description and Introduction

Photocoupler GaAs Ired & Photo -Transistor The TLP521-1 is an optocoupler manufactured by Toshiba. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Manufacturer:** Toshiba  
### **Part Number:** TLP521-1  

### **Description:**  
The TLP521-1 is a **photocoupler (optoisolator)** consisting of a **GaAs infrared LED** optically coupled to a **phototransistor**. It provides electrical isolation between input and output circuits, making it suitable for noise suppression and signal isolation in various applications.  

### **Key Features:**  
- **High isolation voltage:** 5000 Vrms (min)  
- **Current transfer ratio (CTR):** 50% (min) at IF = 5 mA, VCE = 5 V  
- **Input-output capacitance:** 0.6 pF (typ)  
- **Operating temperature range:** -55°C to +110°C  
- **Low power consumption**  
- **Compact 4-pin DIP package**  
- **Compliant with safety standards (UL, CSA, VDE, etc.)**  

### **Electrical Specifications:**  
- **Forward current (IF):** 50 mA (max)  
- **Reverse voltage (VR):** 5 V (max)  
- **Collector-emitter voltage (VCEO):** 55 V (max)  
- **Emitter-collector voltage (VECO):** 7 V (max)  
- **Turn-on time (ton):** 3 μs (max)  
- **Turn-off time (toff):** 4 μs (max)  

### **Applications:**  
- **Signal isolation in digital circuits**  
- **Noise suppression in industrial controls**  
- **Switching power supplies**  
- **Microprocessor system interfaces**  
- **Automotive and medical electronics**  

This information is based on Toshiba's official datasheet for the TLP521-1 optocoupler.

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