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The RN2301,LF is a digital transistor manufactured by Toshiba Semiconductor and Storage. It features an NPN transistor integrated with a single base resistor in a compact surface-mount package. The device provides a typical input resistance of 10 kΩ and supports a maximum collector-emitter voltage (VCEO) of 50 V. It operates within a temperature range of -55°C to +150°C and offers a minimum DC current gain (hFE) of 100 at a collector current of 5 mA. The component is RoHS compliant and designed for use in switching applications requiring high reliability and low power consumption.
Verify the specific ordering code suffix to ensure compliance with environmental directives such as RoHS. Confirm that the 'LF' designation indicates lead-free composition consistent with current manufacturing standards. Cross-reference the manufacturer's latest datasheet revision to validate electrical characteristics against your design requirements before finalizing procurement.
Select this component when a pre-biased NPN transistor is required to reduce external component count. Ensure the application voltage does not exceed the 50 V VCEO rating. Consider the SOT-323 footprint constraints during layout. Verify that the 10 kΩ internal base resistance aligns with the drive signal capabilities of the preceding logic stage.
The RN2301 belongs to Toshiba’s RN series of bias-equipped transistors. This series integrates resistors directly onto the silicon die or within the package to simplify biasing networks. The RN2301 specifically denotes an NPN configuration with a single base resistor, distinguishing it from PNP variants or dual-resistor models within the same family.
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Toshiba’s official replacement guide or distributor cross-reference tools for verified equivalents.