What this part is and where it fits
The LM195K/883 is a power NPN bipolar transistor from National Semiconductor, packaged in Bulk form. This is a through-hole power transistor intended for linear and switching applications where a single NPN device handles moderate to high collector current and dissipation. Typical deployment includes power-supply pass elements, motor-drive output stages, and industrial relay drivers where a robust silicon die in a hermetic-style package is preferred over surface-mount alternatives. The Bulk packaging indicates loose-tube or tray delivery, consistent with a larger through-hole power package rather than tape-and-reel.
Package and handling note
Bulk packaging means the part ships in loose tubes or trays, not on a reel. This is standard for TO-3, TO-204, or similar metal-can power packages. The lead form is likely a two-lead base-emitter-collector pattern with the case as collector — confirm the pinout against your PCB footprint before soldering. No surface-mount reflow profile applies; hand-solder or wave-solder with a preheat zone that avoids thermal shock to the hermetic seal.
Sourcing this part
The LM195K/883 is available through independent distribution channels. We source and quote this part to order against an RFQ — availability and current pricing are confirmed at quote time. Submit an RFQ for your target quantity and we will return a firm price and delivery commitment. Because the part is active and not on allocation, lead times typically align with standard factory cycles, but confirm at quote for your volume.