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The BCW31,215 is an NPN general-purpose transistor manufactured by Nexperia. It is housed in a plastic SOT-23 surface-mount package with three pins. The device supports a maximum DC collector current of 100 mA and features low voltage ratings, including a collector-emitter voltage (VCEO) of 32 V and a collector-base voltage (VCBO) of 32 V. The emitter-base voltage (VEBO) is rated at 5 V. Electrical performance includes a minimum DC current gain (hFE) of 190 and a maximum transition frequency (ft) of 100 MHz. Thermal limits specify a maximum power dissipation of 250 mW, with an operating temperature range from -65°C to 150°C.
Verify the specific ordering suffix against official Nexperia documentation to confirm tape-and-reel packaging details. Ensure the component meets required automotive or industrial qualification standards if applicable. Cross-reference datasheet revision dates to guarantee parameter accuracy during procurement.
Select this component for designs requiring small-signal NPN amplification or switching within low-voltage constraints. Consider the SOT-23 footprint for space-limited PCB layouts. Evaluate thermal management requirements given the 250 mW power dissipation limit and ensure the application operates within the specified temperature range.
The BCW31 belongs to the BCW series of NPN general-purpose transistors. It is part of a family that includes complementary PNP devices such as the BCW29 and BCW30. This series is designed for versatile use in consumer electronics and industrial equipment where reliable low-power switching and amplification are required.
Check for direct equivalents like the BCW32 or BCW33, which share similar characteristics but may differ in current gain ranges. Verify pinout compatibility and electrical parameters before substitution.