DTC123JCA-HF

Overview

The DTC123JCA-HF is a digital transistor manufactured by Comchip Technology, featuring an NPN silicon bipolar junction transistor integrated with thin-film bias resistors. It operates with a maximum DC collector current of 100 mA and a collector-emitter breakdown voltage of 50 V. The device utilizes the SOT-23 surface-mount package and dissipates up to 200 mW of power. Key electrical specifications include a transition frequency of 250 MHz and a maximum collector cutoff current of 500 nA. The built-in resistor configuration allows for simplified circuit design by eliminating the need for external input components.

Feature Summary

• Integrates NPN transistor with isolated thin-film bias resistors
• Enables inverter circuit configuration without external input resistors
• Minimizes parasitic effects through complete resistor isolation
• Simplifies design by requiring only on/off condition settings

Applications

• Low-voltage logic interface circuits
• Inverter circuit configurations
• Digital switching applications

Procurement Notes

Verify the manufacturer part number DTC123JCA-HF against official Comchip Technology documentation to ensure authenticity. Confirm that the component matches the specified SOT-23 package and NPN polarity. Check for RoHS compliance status as indicated in official datasheets. Ensure the supplier provides valid traceability records consistent with the manufacturer's standards.

Selection Notes

Select this component when a pre-biased NPN solution is required to reduce board space and assembly complexity. The integrated thin-film resistors offer high precision and stability compared to discrete alternatives. Consider the 50 V breakdown voltage and 100 mA current rating to ensure compatibility with the target circuit's electrical requirements. The SOT-23 package is suitable for dense surface-mount layouts.

Part Context

This component belongs to the family of digital transistors produced by Comchip Technology. These devices combine a single bipolar transistor with internal biasing networks. The specific model DTC123JCA-HF represents an NPN variant designed for general-purpose switching and logic applications. It serves as a compact alternative to discrete resistor-transistor combinations.

Replacement Considerations

Public confirmed substitute part numbers include RN1405 and LXHF. Verify pinout compatibility and electrical parameters before substitution.