BCY58 BCY59
LOW NOISE AUDIO
AMPLIFIERS
DESCRIPTION The BCY58 and BCY59 are silicon planar epitaxial NPN transistors in Jedec TO-18 metal case.
They are intended for use in audio input stages, driver stages and low-noise input stages.
The complementary PNP types are respectively the BCY78 and BCY79.
TO-18
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Value Symbol V CES V CEO V EBO IC IB Pt o t T s t g, T j January 1989 Parameter Collector-emitter
Voltage (V BE = 0) Collector-emitter
Voltage (I B = 0) Emitter-base
Voltage (I C = 0) Collector Current Base Current Total Power Dissipation at T amb ≤ 25 °C at T c as e ≤ 45 °C Storage and Junction Temperature BCY58 32 32 7 200 50 0.
39 1 – ...