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MPSA45 TIN/LEAD is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists Central Semiconductor Corp. Its product description is 350V 300MA 625MW TH TRANSISTOR-S. Review the specifications below when checking this part for your BOM.
The MPSA45 TIN/LEAD is a silicon NPN single bipolar junction transistor manufactured by Central Semiconductor. It utilizes a TO-92-3 through-hole package and operates within a temperature range of -65°C to +150°C. Key electrical ratings include a collector-emitter voltage (VCEO) of 300 V, a collector-base voltage (VCBO) of 300 V, and an emitter-base voltage (VEBO) of 6 V. The device supports a continuous collector current of 500 mA with a power dissipation capacity of 625 mW. It features a minimum DC current gain (hFE) of 25 at 1 mA and 10 V, and a transition frequency (fT) of 50 MHz.
Verify the specific ordering suffix against official manufacturer documentation to confirm lead-free or tin/lead composition requirements. Ensure that the requested variant matches the exact electrical specifications and packaging format required for your design. Cross-reference datasheet revisions to confirm compliance with current environmental regulations before finalizing procurement orders.
Select this component when high collector-emitter voltage ratings are required in a standard small-signal package. Evaluate the thermal management requirements based on the 625 mW power dissipation limit. Confirm that the 500 mA continuous current rating aligns with the circuit load demands and that the TO-92-3 footprint fits the available board space constraints.
This part belongs to the MPSA42/MPSA45 series of high-voltage NPN transistors from Central Semiconductor. These devices are designed as complementary pairs to PNP counterparts like the MPSA92. They serve as reliable discrete semiconductor solutions for general-purpose electronics requiring robust voltage handling capabilities in compact form factors.
Public confirmed substitute part numbers: MPSA42.
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