BCY79 vs 2N1991 feature comparison

BCY79 TT Electronics Power and Hybrid / Semelab Limited

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2N1991 Crimson Semiconductor Inc

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Rohs Code Yes
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer SEMELAB LTD CRIMSON SEMICONDUCTOR INC
Part Package Code BCY
Package Description CYLINDRICAL, O-MBCY-W3
Pin Count 3
Reach Compliance Code compliant unknown
ECCN Code EAR99 EAR99
Collector Current-Max (IC) 0.2 A
Collector-Emitter Voltage-Max 45 V 20 V
Configuration SINGLE SINGLE
DC Current Gain-Min (hFE) 80 15
JEDEC-95 Code TO-18 TO-5
JESD-30 Code O-MBCY-W3 O-MBCY-W3
Number of Elements 1 1
Number of Terminals 3 3
Package Body Material METAL METAL
Package Shape ROUND ROUND
Package Style CYLINDRICAL CYLINDRICAL
Polarity/Channel Type PNP PNP
Qualification Status Not Qualified Not Qualified
Surface Mount NO NO
Terminal Form WIRE WIRE
Terminal Position BOTTOM BOTTOM
Transistor Element Material SILICON SILICON
Transition Frequency-Nom (fT) 180 MHz 40 MHz
Base Number Matches 14 1
Collector-Base Capacitance-Max 45 pF
Operating Temperature-Max 150 °C
Power Dissipation-Max (Abs) 0.6 W

Compare BCY79 with alternatives

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