IC Phoenix logo

Home ›  T  › T49 > TLP331

TLP331 from TOSHIBA

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

TLP331

Manufacturer: TOSHIBA, TOS

Photocoupler GaAs Ired & Photo .Transistor

Partnumber Manufacturer Quantity Availability
TLP331 TOSHIBA, TOS 1050 In Stock

Description and Introduction

Photocoupler GaAs Ired & Photo .Transistor The TLP331 is a photocoupler (optocoupler) manufactured by Toshiba. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:** Toshiba  
### **Part Number:** TLP331  

#### **Descriptions:**  
- The TLP331 is a **photocoupler** (also known as an optocoupler or optoisolator) that consists of a **GaAs infrared LED** and a **phototransistor** in a compact package.  
- It is designed for **signal isolation** in electronic circuits, providing electrical isolation between input and output.  

#### **Key Features:**  
- **High isolation voltage** (typically 3750 Vrms)  
- **High current transfer ratio (CTR)**  
- **Fast switching speed**  
- **Compact package (4-pin DIP)**  
- **Low power consumption**  
- **Wide operating temperature range**  

#### **Specifications:**  
- **Input (LED) Characteristics:**  
  - Forward current (IF): **20 mA (max)**  
  - Forward voltage (VF): **1.25 V (typ)**  
- **Output (Phototransistor) Characteristics:**  
  - Collector-emitter voltage (VCEO): **80 V (max)**  
  - Collector current (IC): **50 mA (max)**  
- **Switching Speed:**  
  - Turn-on time (ton): **4 μs (max)**  
  - Turn-off time (toff): **3 μs (max)**  
- **Isolation Voltage:** **3750 Vrms (min)**  
- **Operating Temperature Range:** **-55°C to +110°C**  

This information is based on Toshiba's official datasheet for the TLP331 photocoupler.

Application Scenarios & Design Considerations

Photocoupler GaAs Ired & Photo .Transistor

Alternative Part Number

  • PC817 --: Industry-standard general-purpose optocoupler with similar CTR and isolation ratings, widely available and pin-compatible in most circuits.
  • EL817 --: Direct functional equivalent optocoupler with comparable current transfer ratio and 5kV isolation, commonly used as a drop-in replacement.
  • LTV-817 --: Similar single-channel phototransistor optocoupler with matching isolation voltage and CTR range, suitable for signal isolation applications.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips