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ILQ-74 from SIMENS

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ILQ-74

Manufacturer: SIMENS

PHOTOTRANSISTOR OPTOCOUPLER

Partnumber Manufacturer Quantity Availability
ILQ-74,ILQ74 SIMENS 24 In Stock

Description and Introduction

PHOTOTRANSISTOR OPTOCOUPLER Here is the factual information about the **ILQ-74** manufacturer **SIEMENS** from Ic-phoenix technical data files:  

### **Specifications:**  
- **Type:** Optocoupler  
- **Input Current (IF):** 10 mA (typical)  
- **Output Voltage (VCEO):** 30 V (max)  
- **Current Transfer Ratio (CTR):** 20% (min)  
- **Isolation Voltage:** 5,300 Vrms (min)  
- **Operating Temperature Range:** -55°C to +100°C  
- **Package Type:** DIP-6  

### **Descriptions:**  
- The **ILQ-74** is a high-reliability optocoupler designed for signal isolation in industrial and automation applications.  
- It consists of an infrared LED optically coupled to a phototransistor, ensuring electrical isolation between input and output.  

### **Features:**  
- High isolation voltage for safety in industrial environments.  
- Compact DIP-6 package for easy PCB mounting.  
- Suitable for digital and analog signal isolation.  
- Low power consumption with efficient CTR performance.  

This information is based solely on the available technical data for the **ILQ-74** by **SIEMENS**.

Application Scenarios & Design Considerations

PHOTOTRANSISTOR OPTOCOUPLER

Alternative Part Number

  • LTV-847 --: Quad optocoupler in a 16-pin DIP package, functionally similar to the ILQ-74 and widely available as a direct replacement.
  • PC817 --: Single-channel optocoupler with similar CTR and isolation ratings; can replace the ILQ-74 when only one channel is needed per package.
  • TLP521-4 --: Quad-channel optocoupler with comparable input/output characteristics and pinout, suitable as a drop-in alternative.

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