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IL4108 from VISHAY

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IL4108

Manufacturer: VISHAY

Optocoupler, Phototriac Output, Zero Crossing, High dV/dt, Low Input Current

Partnumber Manufacturer Quantity Availability
IL4108 VISHAY 140 In Stock

Description and Introduction

Optocoupler, Phototriac Output, Zero Crossing, High dV/dt, Low Input Current Here are the factual details about the **IL4108** manufacturer **VISHAY** from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** VISHAY  
- **Part Number:** IL4108  
- **Type:** Optocoupler (Optoisolator)  
- **Input Type:** LED (Infrared)  
- **Output Type:** Phototransistor  
- **Isolation Voltage:** 5000 Vrms  
- **Collector-Emitter Voltage (VCEO):** 70 V  
- **Collector Current (IC):** 50 mA  
- **Current Transfer Ratio (CTR):** 20% to 300% (at IF = 10 mA, VCE = 5 V)  
- **Rise Time (tr):** 3 μs  
- **Fall Time (tf):** 2.5 μs  
- **Operating Temperature Range:** -55°C to +100°C  
- **Package Type:** DIP-6 (Dual In-Line Package, 6-pin)  

### **Descriptions:**  
- The **IL4108** is an optocoupler designed to provide electrical isolation between input and output circuits.  
- It consists of an infrared LED optically coupled to a phototransistor.  
- Used in applications requiring signal isolation, noise immunity, and voltage level shifting.  

### **Features:**  
- High isolation voltage (5000 Vrms)  
- High current transfer ratio (CTR) range  
- Fast switching times (suitable for digital applications)  
- Wide operating temperature range  
- Compact DIP-6 package  

This information is based solely on the provided knowledge base. Let me know if you need further details.

Application Scenarios & Design Considerations

Optocoupler, Phototriac Output, Zero Crossing, High dV/dt, Low Input Current

Alternative Part Number

  • H11L1 --: Optocoupler with Schmitt-trigger output, functionally similar to the IL4108 for isolated logic interface applications.
  • TLP2761 --: High-speed logic-output optocoupler offering comparable isolation and switching performance as a cross-manufacturer alternative.
  • 6N137 --: Widely available high-speed optocoupler with logic output, suitable replacement when isolation and speed are the key requirements.
Partnumber Manufacturer Quantity Availability
IL4108 INFINEON 340 In Stock

Description and Introduction

Optocoupler, Phototriac Output, Zero Crossing, High dV/dt, Low Input Current The part **IL4108** from **Infineon** is a **phototriac output optocoupler** designed for interfacing between low-voltage control circuits and high-voltage AC loads. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Isolation Voltage:** 5300 Vrms  
- **Output Type:** Phototriac  
- **Output Voltage (VDRM):** 800 V  
- **Peak Output Current (ITSM):** 1 A  
- **Trigger LED Current (IFT):** 10 mA (typical)  
- **Turn-On Time (tON):** 10 µs (max)  
- **Turn-Off Time (tOFF):** 100 µs (max)  
- **Operating Temperature Range:** -40°C to +100°C  
- **Package:** DIP-6  

### **Descriptions:**  
- Designed for **AC load switching** in applications like solid-state relays, motor controls, and lighting systems.  
- Provides **galvanic isolation** between control and load circuits.  
- Includes a **GaAs infrared LED** optically coupled to a **silicon phototriac**.  

### **Features:**  
- **High isolation voltage** for safety compliance.  
- **Zero-crossing detection** for reduced EMI.  
- **Low trigger current** for efficient control.  
- **Compact DIP-6 package** for easy PCB mounting.  

This optocoupler is commonly used in **industrial automation, home appliances, and power control systems**.

Application Scenarios & Design Considerations

Optocoupler, Phototriac Output, Zero Crossing, High dV/dt, Low Input Current

Alternative Part Number

  • TLP521-1 --: Industry-standard single-channel optocoupler with similar CTR and isolation ratings, widely available and pin-compatible in most circuits.
  • PC817 --: Very common general-purpose optocoupler offering comparable isolation voltage and current transfer ratio, a low-cost drop-in substitute.
  • H11A1 --: Classic 6-pin optocoupler with similar isolation and CTR characteristics, suitable when a through-hole DIP alternative is acceptable.

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