DDTC123YCA-TP

Overview

The DDTC123YCA-TP is an NPN digital transistor manufactured by Micro Commercial Components (MCC). It features epitaxial planar die construction and built-in biasing resistors within a SOT-23 surface-mount package. The device supports a supply voltage of 50 V, with a maximum output current of 500 mA and power dissipation of 200 mW. Electrical characteristics include a typical DC current gain of 56, input resistance of 2.2 kΩ, and transition frequency of 200 MHz. It operates within a temperature range of -55°C to +150°C.

Feature Summary

• Epitaxial planar die construction for reliable performance
• Integrated biasing resistors simplify circuit design
• Halogen-free 'Green' device compliant with environmental standards
• Moisture sensitivity level 1 for robust storage handling

Applications

• General-purpose switching applications
• Driver circuits for low-power loads
• Logic interface and level shifting

Procurement Notes

Verify the authenticity of the component by purchasing directly from Micro Commercial Components or their authorized distributors. Counterfeit parts pose significant risks; unauthorized sources do not provide warranty coverage. Ensure the ordering suffix matches the required tape and reel quantity of 3000 pieces per reel as specified in the manufacturer's documentation.

Selection Notes

Select this NPN digital transistor when a compact solution with integrated biasing is required. The SOT-23 package suits space-constrained designs. Verify that the 50 V supply voltage and 500 mA output current meet the specific load requirements. Consider the 2.2 kΩ input resistance for appropriate drive current calculations in the target application circuit.

Part Context

This component belongs to the DDTC123YCA series of NPN digital transistors produced by MCC. It is part of a family of pre-biased devices designed to replace discrete resistor-transistor combinations. The standard marking for this device on the package is '134'.

Replacement Considerations

Direct substitutes must match the NPN polarity, SOT-23 package, and electrical ratings. Verify pinout compatibility and internal resistor values (R1 and R2) before substitution.