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2SD1803S-H is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists onsemi. Its product description is TRANS NPN 50V 5A TP. Review the specifications below when checking this part for your BOM.
The onsemi 2SD1803S-H is an NPN bipolar junction transistor housed in a TP package (SC-64/TO-251). It supports a maximum collector current of 5 A and a collector-emitter voltage of 50 V. The device features a gain-bandwidth product of 180 MHz and a collector dissipation rating of 20 W at 25°C case temperature. It operates up to a junction temperature of 150°C.
Verify the specific suffix 'H' indicates lead-free and halogen-free compliance during sourcing. Confirm the TP package type matches the required footprint. Ensure the component meets RoHS standards if applicable to the target assembly process.
Select this component for circuits requiring robust high-current handling within a compact surface-mount form factor. Evaluate thermal management requirements, as power dissipation drops significantly below case temperatures. Consider the low saturation voltage for improved efficiency in switching loads.
This part belongs to the 2SB1203/2SD1803 series, which includes complementary PNP and NPN transistors. The series is designed for general-purpose high-current switching. The 'S' designation typically denotes the TO-251 (TP) package variant within this family.
Public confirmed substitute: 2SD1803T-H.
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