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TCDT1122 from VISHAY

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TCDT1122

Manufacturer: VISHAY

Optocouplers

Partnumber Manufacturer Quantity Availability
TCDT1122 VISHAY 17000 In Stock

Description and Introduction

Optocouplers **Part Number:** TCDT1122  
**Manufacturer:** VISHAY  

### **Specifications:**  
- **Type:** Optocoupler (Optoisolator)  
- **Input Type:** Infrared LED  
- **Output Type:** Phototransistor  
- **Isolation Voltage:** 5000 Vrms  
- **Collector-Emitter Voltage (VCEO):** 70 V  
- **Collector Current (IC):** 50 mA  
- **Current Transfer Ratio (CTR):** 50% (min) at 5 mA forward current  
- **Forward Current (IF):** 60 mA (max)  
- **Rise Time (tr):** 3 µs (typical)  
- **Fall Time (tf):** 2 µs (typical)  
- **Operating Temperature Range:** -55°C to +110°C  
- **Package Type:** DIP-4  

### **Descriptions:**  
The TCDT1122 is a high-reliability optocoupler featuring an infrared LED optically coupled to a phototransistor. It provides electrical isolation between input and output circuits, making it suitable for noise immunity and signal isolation applications.  

### **Features:**  
- High isolation voltage (5000 Vrms)  
- High current transfer ratio (CTR)  
- Fast switching speed  
- Wide operating temperature range  
- Compact DIP-4 package  
- Compliant with RoHS standards  

This optocoupler is commonly used in power supply feedback, industrial controls, and communication interfaces where electrical isolation is required.

Application Scenarios & Design Considerations

Optocouplers

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