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TLP222A-2 from TOSHIBA

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TLP222A-2

Manufacturer: TOSHIBA, TOHS

Photocoupler Photorelay

Partnumber Manufacturer Quantity Availability
TLP222A-2,TLP222A2 TOSHIBA, TOHS 50 In Stock

Description and Introduction

Photocoupler Photorelay The TLP222A-2 is a photocoupler (or optocoupler) manufactured by **TOSHIBA**. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Type:** Photocoupler (Optocoupler)  
- **Output Type:** Phototransistor  
- **Isolation Voltage:** 5000 Vrms (min)  
- **Collector-Emitter Voltage (VCEO):** 80 V (max)  
- **Collector Current (IC):** 50 mA (max)  
- **Current Transfer Ratio (CTR):** 50% (min) at IF = 5 mA  
- **Input Forward Current (IF):** 50 mA (max)  
- **Forward Voltage (VF):** 1.3 V (max) at IF = 20 mA  
- **Response Time (tPLH / tPHL):** 3 μs / 4 μs (typical)  
- **Operating Temperature Range:** -55°C to +110°C  
- **Package:** 4-pin DIP  

### **Descriptions:**  
- The TLP222A-2 is a high-reliability photocoupler designed for signal isolation in various electronic circuits.  
- It consists of a **GaAs infrared LED** optically coupled to a **phototransistor** for electrical isolation.  
- Suitable for **high-speed switching** applications due to its fast response time.  

### **Features:**  
- **High isolation voltage (5000 Vrms)** for safety and noise immunity.  
- **Compact DIP package** for easy PCB mounting.  
- **Wide operating temperature range** for industrial use.  
- **High current transfer ratio (CTR)** for efficient signal transmission.  
- **Compliant with safety standards** (UL, cUL, VDE).  

This device is commonly used in **power supplies, communication equipment, and industrial control systems** for electrical isolation and noise reduction.  

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Application Scenarios & Design Considerations

Photocoupler Photorelay

Alternative Part Number

  • LAA127 --: Dual-pole solid-state relay in a similar package with comparable on-resistance and isolation, suitable as a direct functional replacement.
  • AQW212 --: Dual-channel PhotoMOS relay with similar load voltage and current ratings, widely used as a cross for the TLP222A-2.
  • PVT412 --: Dual photovoltaic MOSFET relay offering comparable switching characteristics and isolation for signal-level load switching.

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