DDTC114WUA-7-F

Overview

The DDTC114WUA-7-F is a single NPN pre-biased transistor manufactured by Diodes Incorporated, housed in an SOT323 surface-mount package. It features built-in biasing resistors with nominal values of R1 = 10 kΩ and R2 = 4.7 kΩ. The device supports a maximum supply voltage (VCC) of 50 V and a continuous collector current (IC) of 100 mA. Electrical characteristics include a minimum DC current gain (hFE) of 24 at VOUT = 5 V and IOUT = 10 mA, and a transition frequency (fT) of 250 MHz. Power dissipation is rated at 200 mW, with an operating temperature range spanning from -55 °C to +150 °C.

Feature Summary

• Epitaxial planar die construction for reliable performance
• Integrated base and emitter biasing resistors simplify circuit design
• Surface mount package optimized for automated assembly processes

Applications

• General-purpose switching applications
• Driver circuits for logic interfaces
• Level shifting between different voltage domains

Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to confirm packaging details such as reel size and tape width. Confirm compliance requirements including RoHS and halogen-free status directly with the supplier or through certified datasheets before procurement. Ensure that storage conditions adhere to moisture sensitivity level guidelines to prevent package damage during soldering.

Selection Notes

Select this component when a compact NPN solution with fixed internal biasing is required for space-constrained designs. Verify that the 10 kΩ input resistor and 4.7 kΩ emitter resistor align with the target drive current and logic levels. Consider the 200 mW power dissipation limit and thermal resistance when designing for high ambient temperatures or dense PCB layouts.

Part Context

This part belongs to the DDTC series of pre-biased transistors from Diodes Incorporated, specifically utilizing the 'UA' suffix designation for the SOT323 package format. The '114' identifier within the model number corresponds to the specific ratio of internal resistors (R1=10kΩ, R2=4.7kΩ). This series provides a consolidated alternative to discrete resistor and transistor combinations.

Replacement Considerations

Direct replacements must match the SOT323 footprint, NPN polarity, and identical internal resistor values (10 kΩ and 4.7 kΩ). Verify that substitute components meet or exceed the 50 V voltage rating, 100 mA current capacity, and 200 mW power dissipation specifications to ensure functional compatibility.