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TCDT1102

Manufacturer: VIS, VISHAY

Optocouplers

Partnumber Manufacturer Quantity Availability
TCDT1102 VIS, VISHAY 3744 In Stock

Description and Introduction

Optocouplers The part **TCDT1102** is manufactured by **Vishay**. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Type:** Phototransistor Optocoupler  
- **Package:** 4-Pin DIP (Dual In-line Package)  
- **Input Type:** Infrared LED  
- **Output Type:** Phototransistor  
- **Isolation Voltage:** 5000 Vrms  
- **Current Transfer Ratio (CTR):** 50% (min)  
- **Collector-Emitter Voltage (VCEO):** 30 V  
- **Emitter-Collector Voltage (VECO):** 5 V  
- **Collector Current (IC):** 50 mA  
- **Power Dissipation:** 100 mW  
- **Operating Temperature Range:** -55°C to +100°C  

### **Description:**  
The **TCDT1102** is an optocoupler consisting of an infrared LED optically coupled to a phototransistor. It provides electrical isolation between input and output circuits, making it suitable for signal transmission in high-voltage environments.  

### **Features:**  
- High isolation voltage (5000 Vrms)  
- Compact 4-pin DIP package  
- Reliable signal transmission  
- Wide operating temperature range  
- High current transfer ratio (CTR)  

For detailed datasheets, refer to Vishay's official documentation.

Application Scenarios & Design Considerations

Optocouplers

Alternative Part Number

  • HCPL-3700 --: Optocoupler with similar logic-level output and isolation, widely used as a functional substitute in interface circuits.
  • PC817 --: General-purpose optocoupler with comparable isolation voltage, suitable for basic signal isolation replacement.
  • TLP521-1 --: Common single-channel optocoupler offering similar isolation and transfer characteristics for general switching applications.
  • H11A1 --: Classic 6-pin DIP optocoupler with phototransistor output, widely available and functionally similar to the TCDT1102 for general isolation applications.
  • 4N25 --: Industry-standard 6-pin DIP optocoupler with transistor output, commonly used as a drop-in replacement in low-speed isolation circuits.
  • SFH617A-2 --: Standard optocoupler with similar CTR range and DIP-4 package, widely available and a common drop-in replacement for TCDT1102.
  • PC817X2 --: Very common general-purpose optocoupler with comparable isolation voltage and CTR binning, suitable for most TCDT1102 applications.
  • LTV-817S --: Cost-effective optocoupler with similar electrical characteristics and DIP-4 footprint, good second-source option.

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