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TIL191 from TI,Texas Instruments

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TIL191

Manufacturer: TI

5V; 50mA high density mounting phototransistor optically coupled isolator

Partnumber Manufacturer Quantity Availability
TIL191 TI 129 In Stock

Description and Introduction

5V; 50mA high density mounting phototransistor optically coupled isolator Here is the factual information about part **TIL191** from the manufacturer **TI (Texas Instruments)**:

### **Specifications:**
- **Type:** Optocoupler (Optoisolator)  
- **Input Type:** Infrared LED  
- **Output Type:** Phototransistor  
- **Isolation Voltage:** 2500 Vrms (min)  
- **Collector-Emitter Voltage (VCEO):** 30 V (max)  
- **Collector Current (IC):** 50 mA (max)  
- **Current Transfer Ratio (CTR):** 20% (min) at IF = 10 mA  
- **Forward Current (IF):** 60 mA (max)  
- **Rise Time (tr):** 3 μs (typical)  
- **Fall Time (tf):** 4 μs (typical)  
- **Operating Temperature Range:** -55°C to +100°C  

### **Descriptions:**
The **TIL191** is an optocoupler that provides electrical isolation between input and output circuits using an infrared LED and a phototransistor. It is commonly used for signal isolation, noise suppression, and interfacing in industrial and consumer electronics applications.

### **Features:**
- High isolation voltage (2500 Vrms)  
- Fast response time (μs range)  
- Compact 6-pin DIP package  
- Reliable performance over a wide temperature range  
- Compatible with standard PCB assembly processes  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and application notes, refer to the official **TI datasheet for TIL191**.

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