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The onsemi BC847BLT3G is an NPN silicon general-purpose transistor from the BC846ALT1G series, packaged in a surface-mount SOT-23 (TO-236AB) configuration. It features a collector-emitter voltage of 45 V and a continuous collector current rating of 100 mA. The device offers a minimum DC current gain of 200 at 2.0 mA and operates within a junction temperature range of -55°C to +150°C. Key electrical characteristics include a transition frequency of 100 MHz and low saturation voltages for efficient switching.
Verify the complete part number includes the LT3G suffix to confirm the specific B-grade gain bin and 10,000-unit tape and reel packaging format. Confirm that the ordering code matches the official onsemi publication list to ensure correct marking codes and package dimensions. Cross-reference datasheet revision dates to validate thermal resistance values and maximum ratings against current manufacturing standards.
Select this component when a moderate 45 V collector-emitter breakdown voltage is required alongside high current gain. The B-grade specification ensures a minimum hFE of 200, making it suitable for applications demanding reliable amplification without excessive base drive current. Consider the SOT-23 footprint for space-constrained designs where leaded alternatives are unsuitable.
This device belongs to the BC846ALT1G series, which groups NPN transistors with varying voltage ratings. While sharing identical physical packages and thermal profiles, the BC847 variant specifically provides a 45 V VCEO rating, distinguishing it from the 65 V BC846 and 30 V BC848 models within the same family.
BC847BLT1G serves as the equivalent alternative packaged in cut tape rather than tape and reel.