DMC266040R

Overview

The DMC266040R is a dual NPN pre-biased digital transistor manufactured by Panasonic Electronic Components. It integrates two NPN transistors with internal biasing resistors in a Mini6-G4-B surface-mount package, measuring 2.9x2.8mm. Key electrical parameters include a collector-emitter voltage (VCEO) of 50 V and a continuous collector current of 100 mA. The device features an input resistor (R1) of 10 kOhms and an emitter-base resistor (R2) of 47 kOhms. Maximum power dissipation is rated at 300 mW, with a maximum operating temperature of +150°C.

Feature Summary

• Integrates dual NPN bipolar transistors with built-in biasing resistors to simplify circuit design.
• Utilizes a compact Mini6-G4-B surface-mount package for space-constrained applications.
• Provides high thermal stability with a maximum operating temperature rating of +150°C.

Applications

• Signal switching circuits
• Driver circuits for low-power loads
• Logic interface buffering

Procurement Notes

Verify component authenticity through authorized Panasonic distributors or certified suppliers. Confirm the specific ordering suffix matches the required tape-and-reel configuration. Ensure compliance with RoHS directives as indicated in official documentation. Request manufacturer datasheets to validate electrical characteristics against application requirements before finalizing procurement orders.

Selection Notes

Select this component when dual NPN switching functionality with integrated biasing is required in a minimal footprint. The 10 kOhm input resistor suits standard logic levels, while the 50 V rating supports moderate voltage applications. Consider the 100 mA current limit and 300 mW power dissipation constraints during thermal management planning for dense PCB layouts.

Part Context

This part belongs to Panasonic's series of pre-biased composite transistors designed for digital switching applications. These devices replace discrete resistor-transistor networks, reducing component count and assembly time. The Mini6 package variant offers enhanced thermal performance compared to smaller SOT-23 alternatives, suitable for industrial and consumer electronics requiring reliable signal processing.

Replacement Considerations

Cross-reference with Panasonic DMC264000R for similar dual configurations, noting potential differences in polarity or resistor values. Verify pinout compatibility and electrical ratings before substituting. Consult official replacement lists for discontinued variants to ensure functional equivalence without redesigning surrounding circuitry.