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TLP270G from TOS,TOSHIBA

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TLP270G

Manufacturer: TOS, ST

Photocoupler GaAs Ired & Photo .MOS FET / Photo .Transistor

Partnumber Manufacturer Quantity Availability
TLP270G TOS, ST 4850 In Stock

Description and Introduction

Photocoupler GaAs Ired & Photo .MOS FET / Photo .Transistor The TLP270G is an optocoupler manufactured by Toshiba. Here are its specifications, descriptions, and features:  

### **Manufacturer:** Toshiba  
### **Part Number:** TLP270G  

### **Description:**  
The TLP270G is a high-speed photocoupler (optocoupler) with a GaAlAs infrared LED optically coupled to a high-speed photodetector. It is designed for high-speed signal transmission while providing electrical isolation between input and output.  

### **Key Features:**  
- **High-speed response:** Propagation delay time (tPLH) of 0.5 µs (max)  
- **High isolation voltage:** 3750 Vrms (min)  
- **Low input current:** Forward current (IF) of 5 mA (max)  
- **Wide operating temperature range:** -40°C to +100°C  
- **Compact package:** SO6 (small outline package)  
- **High common-mode transient immunity (CMTI):** 15 kV/µs (min)  
- **Low power consumption**  
- **Compliant with safety standards:** UL, cUL, VDE  

### **Applications:**  
- Industrial automation  
- Isolated communication interfaces  
- Power supply feedback circuits  
- Microcontroller interfacing  
- Noise-sensitive signal isolation  

### **Electrical Specifications (Typical):**  
- **Forward Voltage (VF):** 1.25 V (at IF = 5 mA)  
- **Output Current (IO):** 5 mA  
- **Current Transfer Ratio (CTR):** 50% (min)  
- **Rise/Fall Time (tr/tf):** 0.5 µs (max)  

For detailed specifications, refer to the official Toshiba datasheet.

Application Scenarios & Design Considerations

Photocoupler GaAs Ired & Photo .MOS FET / Photo .Transistor

Alternative Part Number

  • PC817 --: Industry-standard optocoupler with similar CTR and isolation ratings, widely available and pin-compatible in many designs.
  • EL817 --: General-purpose phototransistor optocoupler comparable to TLP270G in CTR and isolation voltage, low cost and easy to source.
  • LTV-817 --: Equivalent single-channel optocoupler with similar current transfer ratio and 5kV isolation, suitable drop-in replacement.
  • SFH615A-2 --: Industry-standard optocoupler with similar CTR and isolation ratings, widely available and pin-compatible in most circuits.
  • PC817X2 --: Common general-purpose optocoupler with comparable current transfer ratio and isolation voltage, suitable drop-in replacement.

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