NOISE GENERAL PURPOSE AUDIO AMPLIFIERS DESCRIPTION BC177, BC178 B

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NOISE GENERAL PURPOSE AUDIO AMPLIFIERS DESCRIPTION BC177, BC178 B

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BC177 BC178-BC179
NOISE GENERAL PURPOSE AUDIO AMPLIFIERS
DESCRIPTION BC177, BC178 BC179 silicon planar epitaxial transistors TO-18 metal case.They suitable driver audio stages, noise input audio stages power, high gain general purpose transistors. complementary types respectively BC107, BC108 BC109.
TO-18
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol January 1989 Parameter Collector-emitter Voltage Collector-emitter Voltage Emitter-base Voltage Collector Current Collector Peak Current Total Power Dissipation Storage Temperature Junction Temperature Value BC177 BC178 BC179 Unit
BC177-BC178-B179
THERMAL DATA
-amb Thermal Resistance Junction-case Thermal Resistance Junction-ambient °C/W °C/W
ELECTRICAL CHARACTERISTICS unless otherwise specified)
Symbol (BR)CE Parameter Collector Cutoff Current Collector-emitter Breakdown Voltage Collector-emitter Breakdown Voltage Emitter-base Breakdown Voltage Collector-emitter Saturation Voltage Base-emitter Voltage Base-emitter Saturation Voltage Small Signal Current Gain Test Conditions BC177 BC178 BC179 BC177 BC178 BC179 Min. Typ. Max. Unit
R)CES
BC177 BC177 BC178 BC178 BC179
Pulsed pulsed duration duty cycle
BC177-BC178-BC179
ELECTRICAL CHARACTERISTICS (continued)
Symbol Parameter Transition Frequency Collector-base Capacitance Noise Figure Test Conditions BC177 BC178 BC179 Input Impedance Reverse Voltage Ratio BC177 BC177 BC178 BC178 BC179 Min. Typ. Max. Unit
BC177 BC177 BC178 BC178 BC179 2.7x10- 4.5x10- 2.7x10- 4.5x10- 4.5x10-
Output Admittance
BC177 BC177 BC178 BC178 BC179
Transconductance.
Normalized Current Gain.
BC177-BC178-B179
Collector-emitter Saturation Voltage. Normalized Parameters.
Normalized Parameters.
Collector-base Capacitance.
Transition Frequency.
Power Rating Chart.
BC177-BC178-BC179
TO-18 MECHANICAL DATA
DIM. MIN. 2.54 1.16 TYP. 12.7 0.49 0.100 0.047 0.045 MAX. MIN. TYP. 0.500 0.019 0.208 0.193 0.228 MAX. inch
0016043
BC177-BC178-B179
Information furnished believed accurate reliable. However, SGS-THOMSON Microelectronics assumes responsability consequences such information infringement patents other rights third parties which results from use. license granted implication otherwise under patent patent rights SGS-THOMSON Microelectronics. Specifications mentioned this publication subject change without notice. This publication supersedes replaces information previously supplied. SGS-THOMSON Microelectronics products authorized critical components life support devices systems without express written approval SGS-THOMSON Microelectonics. 1994 SGS-THOMSON Microelectronics Rights Reserved SGS-THOMSON Microelectronics GROUP COMPANIES Australia Brazil France Germany Hong Kong Italy Japan Korea Malaysia Malta Morocco Netherlands Singapore Spain Sweden Switzerland Taiwan Thailand United Kingdom U.S.A

NOISE GENERAL PURPOSE AUDIO AMPLIFIERS DESCRIPTION BC177, BC178 B

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