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TLP634GB from TOSHIBA

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TLP634GB

Manufacturer: TOSHIBA, TOS, TOSH

60mA; 150mW; GaAs IRED & photo-transistor

Partnumber Manufacturer Quantity Availability
TLP634GB TOSHIBA, TOS, TOSH 2116 In Stock

Description and Introduction

60mA; 150mW; GaAs IRED & photo-transistor The TLP634GB is an optocoupler manufactured by TOSHIBA. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Type**: Phototransistor Output Optocoupler  
- **Isolation Voltage**: 5000 Vrms (min)  
- **Collector-Emitter Voltage (VCEO)**: 30 V (max)  
- **Emitter-Collector Voltage (VECO)**: 5 V (max)  
- **Collector Current (IC)**: 50 mA (max)  
- **Current Transfer Ratio (CTR)**: 50% (min) at IF = 5 mA, VCE = 5 V  
- **Input Forward Current (IF)**: 50 mA (max)  
- **Reverse Input Voltage (VR)**: 5 V (max)  
- **Power Dissipation**: 100 mW (max)  
- **Operating Temperature Range**: -55°C to +110°C  
- **Package**: DIP4 (4-pin Dual In-line Package)  

### **Descriptions:**  
- The TLP634GB is a high-reliability optocoupler designed for signal isolation in electronic circuits.  
- It consists of a GaAs infrared LED optically coupled to a phototransistor.  
- Suitable for applications requiring electrical isolation between input and output circuits.  

### **Features:**  
- **High Isolation Voltage**: 5000 Vrms ensures strong electrical isolation.  
- **Compact DIP4 Package**: Space-saving design for PCB mounting.  
- **Wide Operating Temperature Range**: Reliable performance in harsh environments.  
- **High CTR (Current Transfer Ratio)**: Ensures efficient signal transmission.  
- **Fast Response Time**: Suitable for high-speed switching applications.  

This information is strictly based on the manufacturer's datasheet and does not include any additional recommendations or usage guidance.

Application Scenarios & Design Considerations

60mA; 150mW; GaAs IRED & photo-transistor

Alternative Part Number

  • PC817X2NSZ0F --: Standard DIP-8 dual optocoupler with similar CTR and isolation ratings, widely available and pin-compatible replacement for general switching applications.
  • LTV-827 --: Dual-channel DIP-8 phototransistor optocoupler with comparable current transfer ratio and isolation voltage, direct functional substitute.
  • EL827 --: Dual-channel DIP-8 optocoupler offering similar CTR grades and 5 kV isolation, suitable drop-in alternative for the TLP634.
  • EL817 --: Popular general-purpose optocoupler with similar CTR and isolation ratings, low cost and broad availability as an alternative to Toshiba parts.
  • LTV-817 --: Industry-standard optocoupler with comparable current transfer ratio and isolation voltage, suitable for similar switching and isolation circuits.
  • HCPL-4506 --: Optocoupler with similar gate-drive function and high-speed output, widely used as a TLP634 replacement in industrial inverter designs.
  • PC923 --: Dedicated IGBT/MOSFET gate-drive optocoupler with comparable isolation and output drive, commonly cross-referenced to the TLP634 series.
  • HCPL-3120 --: 2.5A gate-drive optocoupler offering similar isolation voltage and drive capability, suitable when higher output current is acceptable.

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