DTC113ZUA-HF

Overview

The DTC113ZUA-HF is an NPN digital transistor from Comchip Technology, integrating a single NPN bipolar junction transistor with a built-in base bias resistor network. This component is housed in a compact SOT-523 surface-mount package, designed for space-constrained printed circuit board applications. It features a maximum collector-emitter voltage (VCEO) of 50 V and a continuous collector current rating of 100 mA. The device includes a typical input resistance of 10 kOhms, facilitating direct interface with logic gates without external components. Key electrical specifications include a minimum DC current gain (hFE) of 100 at specified test conditions and a power dissipation capability of 200 mW. The unit operates within a temperature range of -55°C to +150°C, ensuring reliability in various industrial environments.

Feature Summary

• Integrated base bias resistor network eliminates the need for external resistors, simplifying circuit design and reducing component count.
• Compact SOT-523 surface-mount package enables high-density PCB layout and automated assembly processes.
• High switching speed and low input current requirements allow efficient interfacing with standard logic families.

Applications

• Logic level shifting and voltage translation between different logic families.
• Driver circuits for small-signal loads such as LEDs or relay coils.
• Switching applications in portable consumer electronics and battery-powered devices.

Procurement Notes

Verify the complete part number including suffixes to ensure correct packaging and tape/reel specifications. Confirm RoHS compliance status through official manufacturer documentation prior to procurement. Ensure storage conditions adhere to moisture sensitivity levels defined in the datasheet to prevent package damage during soldering.

Selection Notes

Select this component when a compact NPN switch with integrated biasing is required. Verify that the 10 kOhm internal resistance matches the driving source impedance. Ensure the 50 V voltage rating exceeds the maximum circuit operating voltage. Check thermal constraints to confirm the 200 mW power dissipation limit is sufficient for the intended duty cycle.

Part Context

This part belongs to Comchip Technology's series of digital transistors, which combine discrete transistors with on-chip resistors. These devices are engineered to replace multiple discrete components, offering improved performance consistency and reduced board space compared to traditional BJT configurations with external biasing networks.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided reference data. Cross-referencing requires matching NPN polarity, SOT-523 package, 50 V VCEO, 100 mA IC, and 10 kOhm base resistance specifications from alternative manufacturers.