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The BCX71J,235 is a PNP general-purpose transistor manufactured by Nexperia in a plastic SOT-23 (TO-236AB) surface-mounted package. It features a maximum collector current of 100 mA and a collector-emitter voltage of -45 V. The device exhibits a transition frequency of 100 MHz and low noise characteristics suitable for sensitive applications. DC current gain ranges from 250 to 460 at an IC of -2 mA. Total power dissipation is rated at 250 mW with a junction temperature limit of 150 °C.
Verify the specific ordering suffix matches the required tape-and-reel quantity configuration. Confirm that the component status aligns with production availability requirements. Ensure the datasheet version corresponds to the latest revision before finalizing design specifications. Cross-reference the marking code BJ* with the physical component received.
Select this component when a PNP transistor with low noise characteristics is required for low-frequency signal processing. The BCX71J offers a moderate DC current gain range compared to other series variants. Consider the SOT-23 package constraints for thermal management and PCB layout space. Verify compatibility with the NPN BCX70 series if complementary pairs are needed.
This part belongs to the BCX71 series of PNP general-purpose transistors. It serves as the complement to the BCX70 series NPN transistors. The series is designed for low current and low voltage applications. The BCX71J variant specifically targets applications requiring defined gain ranges within the general-purpose category.
BCX71H, BCX71K
The marking code for the BCX71J is BJ.
The typical noise figure is 2 dB at IC = -200 μA, VCE = -5 V, RS = 2 kΩ, f = 1 kHz, and B = 200 Hz.
The collector-base cut-off current (ICBO) is typically less than or equal to 20 nA at IE = 0 and VCB = -45 V.