2SC4994 PDF Specs and Replacement
Type Designator: 2SC4994
SMD Transistor Code: YS-
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 0.1 W
Maximum Collector-Base Voltage |Vcb|: 15 V
Maximum Collector-Emitter Voltage |Vce|: 8 V
Maximum Emitter-Base Voltage |Veb|: 1.5 V
Maximum Collector Current |Ic max|: 0.02 A
Max. Operating Junction Temperature (Tj): 150 °C
Electrical Characteristics
Transition Frequency (ft): 7500 MHz
Collector Capacitance (Cc): 0.4 pF
Forward Current Transfer Ratio (hFE), MIN: 50
Noise Figure, dB: -
Package: CMPAK-4
2SC4994 Substitution
2SC4994 PDF detailed specifications
2sc4994.pdf
2SC4994 Silicon NPN Epitaxial ADE-208-012 1st. Edition Application VHF / UHF wide band amplifier Features High gain bandwidth product fT = 10.5 GHz Typ High gain, low noise figure PG = 17.0 dB Typ, NF = 1.2 dB Typ at f = 900 MHz Outline CMPAK 4 2 3 1 1. Collector 4 2. Emitter 3. Base 4. Emitter 2SC4994 Absolute Maximum Ratings (Ta = 25 C) Item Symbol Ratings U... See More ⇒
2sc490 2sc491 2sc492 2sc493 2sc494 2sc495 2sc496 2sc497 2sc498 2sc499.pdf
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2sc4997.pdf
2SC4997 / 2SC4998 Transistors High-frequency Amplifier Transistor, RF switching (10V, 0.1A) 2SC4997 / 2SC4998 Features External dimensions (Units mm) 1) High transition frequency. (fT=240MHz) 2) High hFE. 2SC4997 (1) (2) (3) 0.8 Absolute maximum ratings (Ta=25 C) 1.6 Parameter Symbol Limits Unit Collector-base voltage VCBO 15 V 0.1Min. Collector-emitter voltage VCEO 10 V ... See More ⇒
2sc4993.pdf
2SC4993 Silicon NPN Epitaxial ADE-208-011 1st. Edition Application VHF / UHF wide band amplifier Features High gain bandwidth product fT = 10.5 GHz Typ High gain, low noise figure PG = 16.5 dB Typ, NF = 1.2 dB Typ at f = 900 MHz Outline MPAK-4 2 3 1 1. Collector 2. Emitter 4 3. Base 4. Emitter 2SC4993 Absolute Maximum Ratings (Ta = 25 C) Item Symbol Ratings Unit... See More ⇒
Detailed specifications: 2SC4964 , 2SC4965 , 2SC4968 , 2SC4985 , 2SC4987 , 2SC4988 , 2SC4989 , 2SC4993 , BC327 , 2SC4995 , 2SC5004 , 2SC5005 , 2SC5006 , 2SC5007 , 2SC5008 , 2SC5009 , 2SC5010 .
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