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TLP531BL from TOS,TOSHIBA

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TLP531BL

Manufacturer: TOS, TOSHIBA

IRed & photo−transistor, for programmable controllers, AC / DC−input module and solid state relay

Partnumber Manufacturer Quantity Availability
TLP531BL TOS, TOSHIBA 3677 In Stock

Description and Introduction

IRed & photo−transistor, for programmable controllers, AC / DC−input module and solid state relay The TLP531BL is an optocoupler manufactured by Toshiba. Below are its specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Isolation Voltage:** 5000 Vrms (min)  
- **Operating Temperature Range:** -40°C to +100°C  
- **Input Forward Current (IF):** 16 mA (max)  
- **Output Collector-Emitter Voltage (VCEO):** 80 V (min)  
- **Current Transfer Ratio (CTR):** 50% (min) at IF = 5 mA  
- **Turn-On Time (ton):** 4 μs (max)  
- **Turn-Off Time (toff):** 3 μs (max)  
- **Package Type:** DIP-6  

### **Descriptions:**  
- The TLP531BL is a photocoupler (optocoupler) consisting of a GaAlAs infrared LED and a phototransistor.  
- It provides electrical isolation between input and output circuits.  
- Suitable for high-speed digital signal transmission and noise suppression in industrial and consumer applications.  

### **Features:**  
- **High Isolation Voltage:** Ensures safety in high-voltage applications.  
- **High-Speed Switching:** Suitable for fast signal transmission.  
- **Compact DIP-6 Package:** Space-saving design.  
- **Wide Operating Temperature Range:** Reliable performance in harsh environments.  
- **Low Input Current Requirement:** Energy-efficient operation.  

This information is based on Toshiba's datasheet for the TLP531BL optocoupler.

Application Scenarios & Design Considerations

IRed & photo−transistor, for programmable controllers, AC / DC−input module and solid state relay

Alternative Part Number

  • PC817X1NSZ0F --: Standard 4-pin DIP photocoupler with similar CTR and isolation ratings, widely available and pin-compatible replacement.
  • EL817 --: General-purpose DIP-4 optocoupler with comparable current transfer ratio and isolation voltage, common low-cost alternative.
  • LTV-817 --: DIP-4 phototransistor optocoupler with similar CTR range and 5 kV isolation, suitable drop-in substitute for TLP531BL.

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