IC Phoenix logo

Home ›  T  › T49 > TLP251F

TLP251F from TOS,TOSHIBA

Fast Delivery, Competitive Price @IC-phoenix

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

TLP251F

Manufacturer: TOS, TOSHIBA.

Photocoupler GaAlAs Ired & Photo IC

Partnumber Manufacturer Quantity Availability
TLP251F TOS, TOSHIBA. 106 In Stock

Description and Introduction

Photocoupler GaAlAs Ired & Photo IC The TLP251F is an optocoupler manufactured by Toshiba. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Isolation Voltage:** 5000 Vrms (min)  
- **Supply Voltage (VCC):** 10 V to 30 V  
- **Output Current (IO):** 25 mA (max)  
- **Input Forward Current (IF):** 5 mA (typ), 20 mA (max)  
- **Current Transfer Ratio (CTR):** 50% (min) at IF = 5 mA  
- **Propagation Delay Time (tPLH, tPHL):** 3 µs (max)  
- **Operating Temperature Range:** -40°C to +100°C  
- **Package:** DIP-6  

### **Description:**  
The TLP251F is a photocoupler (optocoupler) with a built-in infrared LED and a phototransistor detector. It provides electrical isolation between input and output circuits, making it suitable for applications requiring noise immunity and safety isolation.  

### **Features:**  
- High isolation voltage (5000 Vrms)  
- Low input current requirement (5 mA typ)  
- High-speed response (3 µs max propagation delay)  
- Compact DIP-6 package  
- Compatible with CMOS and TTL logic levels  
- UL, cUL, and VDE recognized  

This device is commonly used in power supply feedback circuits, motor control, and industrial automation systems.  

(Note: Always refer to the official Toshiba datasheet for the most accurate and updated information.)

Application Scenarios & Design Considerations

Photocoupler GaAlAs Ired & Photo IC

Alternative Part Number

  • HCPL-4504 --: Optocoupler with similar gate-drive function and isolation, widely used as a TLP251 replacement in inverter and IGBT drive circuits.
  • PC923 --: Dedicated IGBT/MOSFET gate-drive optocoupler with comparable output drive and isolation ratings, a common cross-reference for the TLP251 series.
  • FOD3150 --: Gate-drive optocoupler offering similar isolation voltage and output current capability, suitable as a functional substitute.

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