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The DTC143EUBHZGTL is a single NPN digital transistor manufactured by ROHM Semiconductor, featuring built-in bias resistors. It is housed in an SOT-323FL (UMT3F) surface-mount package with three terminals. Key electrical parameters include a collector-emitter voltage (VCEO) of 50 V and a continuous collector current of 100 mA. The device incorporates a typical base input resistor (R1) of 4.7 kOhms and an emitter-base resistor (R2) of 4.7 kOhms. Power dissipation is rated at 200 mW, with a maximum operating temperature of +150°C. The DC current gain (hFE) is specified as 20 to 68 under standard test conditions.
Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status via official datasheets. Check manufacturing date codes against project timelines. Ensure storage conditions meet moisture sensitivity level requirements prior to assembly.
Select this component when a 50V NPN digital transistor with matched 4.7kOhm bias resistors is required. The SOT-323FL package offers a smaller footprint compared to standard SOT-23 variants. Verify that the 200mW power dissipation rating meets thermal management needs for the specific application environment.
This part belongs to ROHM's DTC143 series of pre-biased transistors. It serves as a replacement for legacy components like the DTC143EUBHZG, which is marked as not recommended for new designs. The EUB suffix indicates the specific SOT-323FL package type used in this variant.
The DTC143EU3HZGT106 is listed as a recommended alternative with similar specifications but utilizes an SOT-323 package instead of SOT-323FL.