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TCDT1124G from VISHAY

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TCDT1124G

Manufacturer: VISHAY, VIS

Optocouplers

Partnumber Manufacturer Quantity Availability
TCDT1124G VISHAY, VIS 1640 In Stock

Description and Introduction

Optocouplers **Part Number:** TCDT1124G  
**Manufacturer:** VISHAY  

### **Specifications:**  
- **Type:** Digital Optocoupler  
- **Input Type:** DC  
- **Output Type:** Phototransistor  
- **Isolation Voltage:** 3750 Vrms  
- **Current Transfer Ratio (CTR):** 50% (min) at 5mA  
- **Input Forward Current (IF):** 60 mA (max)  
- **Reverse Voltage (VR):** 5 V  
- **Collector-Emitter Voltage (VCEO):** 70 V  
- **Operating Temperature Range:** -55°C to +110°C  
- **Package:** 4-Pin DIP  

### **Descriptions:**  
The TCDT1124G is a digital optocoupler from Vishay, designed for signal isolation in electronic circuits. It features a GaAs infrared LED coupled with a phototransistor, providing high isolation voltage and reliable performance in various applications.  

### **Features:**  
- High isolation voltage (3750 Vrms)  
- High current transfer ratio (CTR)  
- Compact 4-pin DIP package  
- Wide operating temperature range  
- Suitable for digital signal isolation  

This optocoupler is commonly used in power supplies, industrial controls, and communication systems for electrical isolation and noise reduction.

Application Scenarios & Design Considerations

Optocouplers

Alternative Part Number

  • SFH617A-3 --: Standard optocoupler with similar CTR and isolation ratings, widely available and pin-compatible in many designs.
  • PC817X3NSZ0F --: Common general-purpose optocoupler with comparable current transfer ratio and isolation voltage, good drop-in alternative.
  • LTV-817S-TA1 --: Low-cost optocoupler with similar CTR binning and isolation performance, suitable for equivalent circuit use.
  • H11A1 --: Standard optocoupler with phototransistor output, widely available and functionally similar to the TCDT1124G for basic isolation applications.
  • 4N25 --: Classic 6-pin phototransistor optocoupler with similar CTR and isolation ratings, commonly used as a drop-in substitute in many circuits.
  • PC817 --: Popular general-purpose phototransistor optocoupler with comparable isolation voltage and current transfer ratio, suitable for signal isolation.

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