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The DDTC124TCA-7-F is an NPN pre-biased transistor from Diodes Incorporated, housed in a SOT23 package. It features a built-in base resistor (R1) with a nominal value of 22 kΩ. The device supports a maximum collector-emitter voltage (VCEO) of 50 V and a continuous collector current (IC) of 100 mA. Electrical characteristics include a minimum DC current gain (hFE) of 100 at IC = 1 mA and VCE = 5 V, and a typical 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.
Verify the specific part number against official manufacturer documentation to ensure authenticity. Confirm that the component meets required environmental standards such as RoHS 3 compliance. Check datasheet revisions for any updates to electrical parameters or mechanical dimensions before finalizing procurement specifications.
Select this component when an NPN digital transistor with a 22 kΩ base resistor is required. Ensure the application voltage does not exceed the 50 V collector-emitter rating. Verify that the thermal management strategy accommodates the 200 mW power dissipation limit within the specified ambient temperature range.
This component belongs to the DDTC R1-ONLY SERIES CA family produced by Diodes Incorporated. It serves as the NPN counterpart to the DDTA series PNP devices. The product utilizes a standard SOT23 surface-mount package, facilitating automated assembly and compact PCB layout designs.
Direct substitutes within the same series include DDTC114TCA-7-F and DDTC144TCA-7-F, which share identical packaging and general characteristics but differ in their internal base resistor values.