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TD62781APG from TOSHIBA

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TD62781APG

Manufacturer: TOSHIBA, TOSH

Source-type darlington driver (with pull-down resistor)

Partnumber Manufacturer Quantity Availability
TD62781APG TOSHIBA, TOSH 141 In Stock

Description and Introduction

Source-type darlington driver (with pull-down resistor) The TD62781APG is a high-voltage, high-current Darlington transistor array manufactured by Toshiba. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Toshiba  
- **Type:** Darlington Transistor Array  
- **Package:** DIP-18  
- **Number of Channels:** 8  
- **Output Voltage (Max):** 50V  
- **Output Current (Max per Channel):** 500mA  
- **Input Voltage (Max):** 5V (TTL/CMOS compatible)  
- **Input Current (Max):** 2.5mA  
- **Power Dissipation (Max):** 2.25W  
- **Operating Temperature Range:** -20°C to +85°C  

### **Descriptions:**  
- The TD62781APG consists of eight Darlington pairs with common emitters, each capable of driving high-voltage and high-current loads.  
- It is designed for interfacing between low-level logic (TTL/CMOS) and high-power devices such as relays, solenoids, and lamps.  
- Each channel includes a suppression diode for inductive load protection.  

### **Features:**  
- **High-Voltage Output (50V Max)**  
- **High-Current Output (500mA per Channel)**  
- **TTL/CMOS-Compatible Inputs**  
- **Built-in Clamp Diodes for Inductive Load Protection**  
- **Common Emitter Configuration**  
- **Wide Operating Temperature Range (-20°C to +85°C)**  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Source-type darlington driver (with pull-down resistor)

Alternative Part Number

  • ULN2803APG --: Octal high-voltage high-current Darlington transistor array in a DIP-18 package, functionally equivalent to the TD62781APG and widely available as a direct replacement.
  • ULN2803A --: Industry-standard 8-channel Darlington sink driver with the same pinout and electrical ratings, suitable for driving relays and lamps in place of the original device.
  • MC1413BDG --: Seven-channel Darlington array with integrated suppression diodes, pin-compatible with common Darlington driver arrays and a practical substitute for the TD62781APG in most applications.
  • MC1413BPG --: Seven-channel high-voltage Darlington sink driver in DIP-16, functionally similar for relay and lamp driving applications where one channel less is acceptable.

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