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ILD621GB from SIEMENS

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ILD621GB

Manufacturer: SIEMENS, SIEMNS, VISHAY, INFINEON

Optocoupler, Phototransistor Output (Dual, Quad Channel)

Partnumber Manufacturer Quantity Availability
ILD621GB SIEMENS, SIEMNS, VISHAY, INFINEON 295 In Stock

Description and Introduction

Optocoupler, Phototransistor Output (Dual, Quad Channel) The **ILD621GB** is a **photoelectric sensor** manufactured by **Siemens**. Below are the factual specifications, descriptions, and features based on available knowledge:  

### **Specifications:**  
- **Type:** Photoelectric sensor (retro-reflective)  
- **Operating Principle:** Retro-reflective with background suppression  
- **Light Source:** Red light (typically LED-based)  
- **Sensing Range:** Up to **6 meters** (depending on reflector type)  
- **Output Type:** PNP or NPN (configurable)  
- **Switching Function:** Light ON/Dark ON (selectable)  
- **Housing Material:** Plastic (typically polycarbonate)  
- **Protection Rating:** **IP67** (dustproof and waterproof)  
- **Connection Type:** M12 plug or cable connection  
- **Supply Voltage:** Typically **10–30 V DC**  
- **Switching Frequency:** Up to **1 kHz**  
- **Ambient Temperature Range:** **-25°C to +55°C**  

### **Descriptions:**  
- Designed for **industrial automation** applications.  
- Suitable for **object detection** in harsh environments.  
- Features **background suppression** to avoid false triggering.  
- Adjustable sensitivity for reliable detection.  

### **Features:**  
- **High sensing range** (up to 6 m with reflector).  
- **Robust housing** for industrial use.  
- **Easy alignment** due to visible red light beam.  
- **Flexible mounting options** (bracket or direct mounting).  
- **Configurable output logic** (Light ON/Dark ON).  

For exact technical details, always refer to the **official Siemens datasheet** for the **ILD621GB**.

Application Scenarios & Design Considerations

Optocoupler, Phototransistor Output (Dual, Quad Channel)

Alternative Part Number

  • SFH620A-2 --: Optocoupler with similar CTR range and phototransistor output, widely available and pin-compatible replacement for the ILD621GB.
  • PC817X2 --: Dual-channel phototransistor optocoupler with comparable isolation and CTR, commonly used as a cross-reference for Siemens ILD-series parts.
  • LTV-827 --: Dual optocoupler with similar electrical characteristics and isolation rating, suitable as a functional substitute.
  • PC817X2NSZ0F --: Dual optocoupler in DIP-8 with comparable current transfer ratio and isolation voltage, suitable as a functional replacement.
  • TLP281-2 --: Dual-channel phototransistor optocoupler offering similar CTR range and 5 kV isolation, commonly used as an alternative to ILD621GB.
  • LTV-827S --: Dual-channel optocoupler with similar CTR and isolation ratings, pin-compatible in many circuits and widely available as a direct functional substitute.

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