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| Datasheet File OCR Text: |
| 2SC4901 Silicon NPN Epitaxial Application UHF / VHF wide band amplifier Features * High gain bandwidth product fT = 9 GHz Typ * High gain, low noise figure PG = 13.0 dB Typ, NF = 1.2 dB Typ at f = 900 MHz Outline 2SC4901 Absolute Maximum Ratings (Ta = 25C) Item Collector to base voltage Collector to emitter voltage Emitter to base voltage Collector current Collector power dissipation Junction temperature Storage temperature Symbol VCBO VCEO VEBO IC PC Tj Tstg Ratings 15 9 1.5 50 100 150 -55 to +150 Unit V V V mA mW C C Electrical Characteristics (Ta = 25C) Item Collector to base breakdown voltage Collector cutoff current Symbol V(BR)CBO I CBO I CEO Emitter cutoff current DC current transfer ratio Collector output capacitance Gain bandwidth product Power gain Noise figure Note: Marking is "YK-". I EBO hFE Cob fT PG NF Min 15 -- -- -- 50 -- 6.0 10.0 -- Typ -- -- -- -- 120 0.9 9.0 13.0 1.2 Max -- 10 1 10 250 1.4 -- -- 2.5 pF GHz dB dB Unit V A mA A Test conditions I C = 10 A, IE = 0 VCB = 12 V, IE = 0 VCE = 9 V, RBE = VEB = 1.5 V, IC = 0 VCE = 5 V, IC = 20 mA VCB = 5 V, IE = 0, f = 1 MHz VCE = 5 V, IC = 20 mA VCE = 5 V, IC = 20 mA, f = 900 MHz VCE = 5 V, IC = 5 mA, f = 900 MHz 2 |
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