DTC124GUAT106

Overview

The DTC124GUAT106 is an NPN digital transistor with integrated bias resistors, manufactured by Rohm Semiconductor. It features a collector-emitter breakdown voltage of 50 V and a maximum continuous collector current of 100 mA. The device includes a single internal resistor (R2) with a value of 22 kOhms. Key electrical characteristics include a DC current gain (hFE) of at least 56 at 5 mA and 5 V, and a saturation voltage of no more than 300 mV at 500 µA base current and 10 mA collector current. It operates within a temperature range of -55°C to +100°C, dissipates up to 200 mW, and has a transition frequency of 250 MHz. The component is housed in a UMT3 (SC-70/SOT-323) surface-mount package.

Feature Summary

• Integrates an NPN bipolar junction transistor with a built-in 22 kOhm base resistor for simplified circuit design.
• Optimized for high-speed switching applications with a transition frequency of 250 MHz.
• Provides low saturation voltage to minimize power loss during conduction states.

Applications

• General-purpose switching circuits
• Driver stages for relays or small loads
• Logic level translation interfaces

Procurement Notes

Verify the complete part number including the suffix AT106 to ensure correct packaging and tape-and-reel specifications. Confirm that the UMT3 package footprint matches the target PCB layout. Check RoHS compliance status if required by specific manufacturing standards. Ensure the supplier provides valid traceability documentation for quality assurance purposes.

Selection Notes

Select this component when an NPN configuration with a fixed 22 kOhm base resistor is required. Verify that the 50 V collector-emitter voltage rating exceeds the maximum circuit voltage. Ensure the 100 mA collector current limit accommodates the load requirements. Consider the 200 mW power dissipation capability relative to the thermal environment and duty cycle of the application.

Part Context

This part belongs to the DTC124 series of pre-biased transistors from Rohm Semiconductor. The series offers various resistor combinations and transistor polarities. The GUAT106 suffix indicates specific packaging and handling attributes consistent with Rohm's standard product line for surface-mount digital transistors.

Replacement Considerations

Cross-reference with other manufacturers offering NPN digital transistors in SC-70 packages with similar 22 kOhm base resistance and 50 V ratings. Verify pinout compatibility and electrical parameter equivalence before substitution.