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IL217AT from VISHAY

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IL217AT

Manufacturer: VISHAY, INFINEON, SIEMENS, VISHAY Pb-free

PHOTOTRANSISTOR SMALL OUTLINE SURFACE MOUNT OPTOCOUPLER

Partnumber Manufacturer Quantity Availability
IL217AT VISHAY, INFINEON, SIEMENS, VISHAY Pb-free 10163 In Stock

Description and Introduction

PHOTOTRANSISTOR SMALL OUTLINE SURFACE MOUNT OPTOCOUPLER The IL217AT is a high-speed optocoupler manufactured by **Infineon Technologies**. Below are its key specifications, descriptions, and features based on available data:  

### **Specifications:**  
- **Isolation Voltage:** 5000 Vrms (min)  
- **Data Rate:** Up to 1 MBd (Mega Baud)  
- **Input Current (IF):** 5 mA (typical)  
- **Output Type:** Phototransistor  
- **Collector-Emitter Voltage (VCEO):** 70 V  
- **Operating Temperature Range:** -40°C to +100°C  
- **Package Type:** DIP-4 (Dual Inline Package, 4-pin)  
- **Current Transfer Ratio (CTR):** 20% to 300% (depends on conditions)  

### **Descriptions:**  
- The **IL217AT** is designed for high-speed digital signal isolation in industrial and automotive applications.  
- It provides **galvanic isolation** between input and output circuits, protecting sensitive electronics from high-voltage transients.  
- The optocoupler features a **GaAs infrared LED** paired with a **silicon phototransistor** for reliable signal transmission.  

### **Features:**  
- **High-speed switching** (suitable for digital communication).  
- **Low power consumption** (efficient LED drive).  
- **Wide operating temperature range** (-40°C to +100°C).  
- **Compact DIP-4 package** for easy PCB mounting.  
- **High isolation voltage** (5000 Vrms) for safety compliance.  
- **RoHS compliant** (lead-free and environmentally friendly).  

This optocoupler is commonly used in **motor control, power supplies, and industrial automation** where electrical noise isolation is critical.  

(Note: Always refer to the official **Infineon datasheet** for precise technical details before implementation.)

Application Scenarios & Design Considerations

PHOTOTRANSISTOR SMALL OUTLINE SURFACE MOUNT OPTOCOUPLER

Alternative Part Number

  • SFH618A-2 --: Optocoupler with similar CTR and isolation ratings, pin-compatible in many circuits and widely available.
  • PC817X2 --: Common phototransistor optocoupler with comparable CTR and isolation voltage, suitable drop-in replacement in most designs.
  • TLP281-2 --: Dual-channel phototransistor optocoupler with similar electrical characteristics and isolation, good second-source option.
  • PC817 --: Very common general-purpose optocoupler with comparable current transfer ratio and 5 kV isolation, suitable drop-in replacement for most IL217AT applications.
  • LTV-817 --: Low-cost equivalent optocoupler with similar CTR, isolation voltage, and DIP-4 footprint, offering a reliable second-source option.

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