DCX144EH-7

Overview

The DCX144EH-7 is a complementary NPN/PNP pre-biased small signal transistor manufactured by Diodes Incorporated. It features built-in biasing resistors, with both R1 and R2 specified at 47kΩ. The device is housed in an SOT563 package and supports a supply voltage of ±50V. Maximum output current is rated at 100mA per section, with a total power dissipation of 150mW. The gain-bandwidth product is typically 250MHz, and the operating temperature range spans from -55°C to +150°C.

Feature Summary

• Complementary NPN and PNP configuration within a single surface-mount package
• Integrated base and emitter biasing resistors for simplified circuit design
• Lead-free construction fully compliant with RoHS 3 directives

Applications

• General-purpose switching applications requiring integrated biasing
• Driver circuits for low-power loads
• Logic interface buffering between different voltage domains

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm that the ordering suffix '-7' corresponds to the standard tape and reel packaging format containing 3,000 units per reel. Ensure compliance with specific environmental requirements such as halogen-free status if mandated by the end-product specifications.

Selection Notes

Select this component when a matched NPN/PNP pair with fixed 47kΩ biasing resistors is required. The SOT563 package offers space efficiency compared to discrete resistor-transistor combinations. Verify that the 150mW total power dissipation rating accommodates the thermal constraints of the target application environment.

Part Context

This part belongs to the DCX (xxxx) H series of complementary pre-biased transistors. The 'H' suffix indicates the specific pinout and electrical characteristics defined in datasheet DS30422. It shares the same physical footprint and general functionality as other variants in the series, distinguished primarily by internal resistor values.

Replacement Considerations

Direct substitutes include other DCX144EH-7 units from Diodes Incorporated or equivalent complementary pre-biased transistors in SOT563 packages with matching 47kΩ resistor values and ±50V ratings.