DDTC142TC-TP

Overview

The DDTC142TC-TP is an NPN digital transistor from Micro Commercial Components, housed in a SOT-23 package. It integrates biasing resistors with an epitaxial planar die construction for simplified circuit design. Key electrical parameters include a maximum supply voltage of 50V and an output current capability of 500mA. The device features a typical transition frequency of 200MHz and an input resistance ranging from 0.35kΩ to 0.59kΩ. It operates within a junction temperature range up to 150°C and dissipates up to 200mW of power. The component is RoHS compliant and moisture sensitivity level 1 rated.

Feature Summary

• Integrates built-in biasing resistors to reduce external component count
• Utilizes epitaxial planar die construction for reliable performance
• Halogen-free 'Green' device compliant with environmental standards
• Epoxy meets UL 94 V-0 flammability rating

Applications

• General-purpose switching applications
• Driver circuits for low-power loads
• Logic interface buffering

Procurement Notes

Verify the part number suffix -TP indicates tape and reel packaging containing 3000 pieces per reel. Confirm RoHS compliance via the 'P' suffix designation if required by specific manufacturing standards. Ensure sourcing from authorized distributors to guarantee genuine parts and full traceability as per manufacturer guidelines.

Selection Notes

Select this component when a compact NPN digital transistor solution is needed with integrated biasing. The SOT-23 package suits space-constrained designs. Consider the 50V supply voltage limit and 500mA output current capacity against load requirements. The 200MHz transition frequency supports moderate-speed switching applications effectively.

Part Context

This device belongs to the DDTC series of NPN digital transistors manufactured by Micro Commercial Components. These components are designed to replace discrete resistor-transistor networks, simplifying PCB layout. The DDTC142TC variant specifically offers defined input resistance and gain characteristics suitable for standard logic interfacing tasks.

Replacement Considerations

Consult official MCC documentation or equivalent manufacturer datasheets for direct pin-compatible substitutes. Verify that alternative components match the SOT-23 package, NPN configuration, and electrical limits such as 50V VCC and 500mA IO before implementation.