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The DTC114EET1 is an NPN Silicon Surface Mount Transistor with a monolithic bias resistor network, designed to replace discrete devices and external bias resistors. It integrates a series base resistor (R1) and a base-emitter resistor (R2), both nominally 10 kΩ, into a single SC-75/SOT-416 package. Key electrical ratings include a collector-emitter voltage (VCEO) of 50 Vdc, a collector current (IC) of 100 mAdc, and a total device dissipation (PD) of 200 mW on an FR-4 board at 25°C. The DC current gain (hFE) has a minimum value of 35 at IC = 5.0 mA and VCE = 10 V. The junction temperature range spans from -55°C to +150°C.
Verify the specific ordering suffix against the manufacturer's documentation to confirm package type and shipping configuration. Confirm that the component marking matches the specified device code for the DTC114EET1 series. Ensure the procurement channel provides traceability to the original manufacturer, Semiconductor Components Industries, LLC (onsemi). Check for RoHS compliance status if required by the design specifications.
Select this component when circuit design requires simplification through the integration of bias resistors. The 10 kΩ resistor ratio makes it suitable for standard logic interface applications. Consider the SC-75/SOT-416 package dimensions for PCB layout constraints. Verify that the 50 V collector-emitter voltage rating meets the system's maximum operating voltage requirements.
This component belongs to the DTC114EET1 Series of Bias Resistor Transistors manufactured by onsemi. It is part of a broader family of digital transistors designed to reduce board space and component count. The series includes various resistor ratios and configurations, such as the DTC124EET1 and DTC144EET1, offering flexibility for different biasing needs within surface mount applications.
Compatible substitutes include the DTC114EET1G (Pb-Free version) from onsemi. Other manufacturers may offer equivalent NPN digital transistors in the SOT-416 package with similar 10kΩ/10kΩ resistor values, but verification of pinout and electrical characteristics is required.