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TLP521GB from TOSHIBA

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TLP521GB

Manufacturer: TOSHIBA, TOS

HIGH DENSITY MOUNTING PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS

Partnumber Manufacturer Quantity Availability
TLP521GB TOSHIBA, TOS 3843 In Stock

Description and Introduction

HIGH DENSITY MOUNTING PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS The TLP521GB is an optocoupler manufactured by Toshiba. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Toshiba  
- **Type:** Phototransistor Output Optocoupler  
- **Isolation Voltage:** 5000 Vrms (min)  
- **Collector-Emitter Voltage (VCEO):** 55 V (max)  
- **Emitter-Collector Voltage (VECO):** 7 V (max)  
- **Collector Current (IC):** 50 mA (max)  
- **Current Transfer Ratio (CTR):**  
  - 100% (min) at IF = 5 mA, VCE = 5 V  
  - 600% (max) at IF = 5 mA, VCE = 5 V  
- **Input Forward Current (IF):** 50 mA (max)  
- **Reverse Input Voltage (VR):** 5 V (max)  
- **Operating Temperature Range:** -55°C to +110°C  
- **Package:** DIP-4  

### **Descriptions:**  
- The TLP521GB is a high-reliability photocoupler with a GaAs infrared LED optically coupled to a phototransistor.  
- It provides electrical isolation between input and output circuits.  
- Suitable for high-voltage applications requiring signal transmission with isolation.  

### **Features:**  
- **High Isolation Voltage:** 5000 Vrms ensures strong electrical isolation.  
- **High Current Transfer Ratio (CTR):** Ensures efficient signal transmission.  
- **Wide Operating Temperature Range:** Reliable performance in harsh environments.  
- **Compact DIP-4 Package:** Easy to integrate into various circuit designs.  
- **UL, CSA, and VDE Recognized:** Complies with international safety standards.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

HIGH DENSITY MOUNTING PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS

Alternative Part Number

  • PC817X1NSZ0F --: Industry-standard general-purpose optocoupler with CTR grade comparable to TLP521GB, widely available and pin-compatible in DIP-4 packages.
  • EL817 --: Direct DIP-4 phototransistor optocoupler with similar CTR binning and isolation ratings, commonly used as a drop-in replacement for TLP521 series.
  • LTV-817 --: Popular DIP-4 optocoupler with equivalent CTR ranges and 5kV isolation, offering a cost-effective alternative to the TLP521GB.

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