2N871

High-gain NPN silicon planar small-signal transistor housed in a metal TO-18 can, optimized for ultra-low noise preamplifier input stages and high-impedance instrumentation. Equivalents: BC109, NTE123A. Real-Life Examples: Vintage studio microphone preamplifiers, high-end classic analog mixing consoles, and laboratory signal wavemeters. 5961-00-764-8620