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ILD615-3 from SIEMENS

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ILD615-3

Manufacturer: SIEMENS, INFINEON

PHOTOTRANSISTOR OPTOCOUPLER

Partnumber Manufacturer Quantity Availability
ILD615-3,ILD6153 SIEMENS, INFINEON 750 In Stock

Description and Introduction

PHOTOTRANSISTOR OPTOCOUPLER The ILD615-3 is a reflective optical sensor manufactured by Vishay Semiconductors. Below are the manufacturer's specifications, descriptions, and features:  

### **Manufacturer Specifications:**  
- **Type:** Reflective Optical Sensor  
- **Package:** 3-Pin SMD (Surface-Mount Device)  
- **Operating Wavelength:** 950 nm (Infrared)  
- **Emitter Type:** Infrared LED  
- **Detector Type:** Phototransistor  
- **Sensing Distance:** Up to a few millimeters (depends on reflectivity)  
- **Operating Temperature Range:** -25°C to +85°C  
- **Storage Temperature Range:** -40°C to +100°C  
- **Forward Voltage (Emitter):** Typically 1.25 V (at 20 mA)  
- **Reverse Voltage (Detector):** 5 V max  
- **Output Type:** Digital (Phototransistor output)  

### **Description:**  
The ILD615-3 is a compact reflective optical sensor that combines an infrared LED emitter and a phototransistor detector in a single SMD package. It is designed for proximity sensing, object detection, and reflective surface applications. The sensor detects the presence or absence of an object by measuring the reflected IR light.  

### **Features:**  
- **Compact SMD Design:** 3-pin surface-mount package for easy PCB integration.  
- **High Sensitivity:** Phototransistor provides reliable detection.  
- **Infrared Operation:** 950 nm wavelength for reduced ambient light interference.  
- **Low Power Consumption:** Suitable for battery-operated devices.  
- **Fast Response Time:** Enables quick detection in applications like encoders or position sensing.  
- **Reliable Performance:** Stable operation across a wide temperature range.  

For exact performance characteristics, refer to the official Vishay datasheet.

Application Scenarios & Design Considerations

PHOTOTRANSISTOR OPTOCOUPLER

Alternative Part Number

  • LTV-827 --: Dual-channel optocoupler with similar CTR and isolation ratings, widely available and pin-compatible in most circuits.
  • PC817 --: Single-channel optocoupler with comparable CTR and isolation voltage; can replace one channel of the dual device.
  • TLP521-2 --: Dual-channel optocoupler with similar current transfer ratio and isolation, suitable as a functional substitute.
  • H11B3 --: Optocoupler with photodarlington output and similar CTR range, commonly used as a direct substitute for ILD615-3 in dual-channel isolation circuits.
  • 4N35 --: Standard phototransistor optocoupler with comparable isolation ratings and pinout, often used as a replacement when exact CTR matching is not critical.
  • HCPL-2531 --: Dual-channel optocoupler with similar CTR and isolation ratings, widely available and pin-compatible in many designs.
  • PC817X2NSZ0F --: Dual optocoupler in a single package offering comparable current transfer ratio and isolation voltage for signal isolation.
  • TLP281-4 --: Multi-channel optocoupler with similar CTR range and isolation performance, suitable as a functional replacement.

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