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The BCW61BLT3 is a PNP general-purpose transistor manufactured by onsemi. It is housed in a SOT-23 (TO-236AB) surface-mount package with three terminals. The device is constructed from silicon and is designed for applications requiring high current gain and low collector-emitter saturation voltage. It operates within a temperature range of -55 °C to 150 °C junction temperature. The component is RoHS compliant and halide-free, suitable for use in AF input stages and driver applications.
Verify the specific suffix 'BLT3' against the manufacturer's official documentation to confirm the tape-and-reel packaging configuration and RoHS compliance status. Ensure the ordering code matches the required variant for your assembly process. Cross-reference the JEDEC package outline TO-236AB with your PCB footprint design to guarantee mechanical compatibility during procurement.
Select this component when low noise characteristics are critical for signal integrity in the 30 Hz to 15 kHz range. The BCW61BLT3 serves as the PNP counterpart to the NPN BCX71 series. Consider its complementary nature if designing balanced differential pairs or push-pull output stages where matched thermal tracking and symmetry are required for optimal performance.
This part belongs to the BCW/BCX family of silicon planar PNP/NPN transistors developed for audio and general-purpose applications. The BCW61BLT3 specifically addresses the need for high-gain PNP devices in compact surface-mount designs. It complements the BCX71 series, allowing designers to utilize matched pairs for high-fidelity audio processing and precise driver stages in consumer electronics.
The BCW61A is the leaded equivalent; however, the BCW61BLT3 is the RoHS-compliant, halide-free version. Verify that any substitute maintains the SOT-23 pinout and electrical characteristics for AF input stage compatibility.