2SC4257 Datasheet. Specs and Replacement

Type Designator: 2SC4257  📄📄 

Material of Transistor: Si

Polarity: NPN

Absolute Maximum Ratings

Maximum Collector Power Dissipation (Pc): 1.75 W

Maximum Collector-Base Voltage |Vcb|: 1500 V

Maximum Collector-Emitter Voltage |Vce|: 1200 V

Maximum Emitter-Base Voltage |Veb|: 5 V

Maximum Collector Current |Ic max|: 0.03 A

Max. Operating Junction Temperature (Tj): 150 °C

Electrical Characteristics

Transition Frequency (ft): 6 MHz

Collector Capacitance (Cc): 2 pF

Forward Current Transfer Ratio (hFE), MIN: 10

Noise Figure, dB: -

Package: TO220

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2SC4257 datasheet

 ..1. Size:81K  sanyo

2sc4257.pdf pdf_icon

2SC4257

Ordering number EN2925A NPN Triple Diffused Planar Silicon Transistor 2SC4257 1200V/30mA High-Voltage Amplifier, High-Voltage Switching Applications Features Package Dimensions High breakdown voltage. unit mm Small Cob. 2010C Wide ASO. [2SC4257] High reliability (Adoption of HVP process). 10.2 4.5 3.6 5.1 1.3 1.2 1 Base 0.8 0.4 2 Collector 1 2 3 3 E... See More ⇒

 8.1. Size:124K  toshiba

2sc4250fv.pdf pdf_icon

2SC4257

2SC4250FV TOSHIBA Transistor Silicon NPN Epitaxial Planar Type 2SC4250FV TV VHF Mixer Applications Unit mm 1.2 0.05 Low reverse transfer capacitance Cre = 0.45 pF (typ.) 0.8 0.05 Absolute Maximum Ratings (Ta = 25 C) 1 Characteristic Symbol Rating Unit 2 3 Collector-base voltage VCBO 30 V Collector-emitter voltage VCEO 20 V Emitter-base voltage VEBO 3 V Coll... See More ⇒

 8.2. Size:301K  toshiba

2sc4252.pdf pdf_icon

2SC4257

2SC4252 TOSHIBA Transistor Silicon NPN Epitaxial Planar Type 2SC4252 TV Tuner, VHF Oscillator Applications Unit mm (common collector) Transition frequency is high and dependent on current excellently. Maximum Ratings (Ta = = 25 C) = = Characteristics Symbol Rating Unit Collector-base voltage VCBO 20 V Collector-emitter voltage VCEO 12 V Emitter-base voltage VEBO 3 V... See More ⇒

 8.3. Size:296K  toshiba

2sc4251.pdf pdf_icon

2SC4257

2SC4251 TOSHIBA Transistor Silicon NPN Epitaxial Planar Type 2SC4251 TV Tuner, VHF Oscillator Applications Unit mm Maximum Ratings (Ta = = 25 C) = = Characteristics Symbol Rating Unit Collector-base voltage VCBO 30 V Collector-emitter voltage VCEO 15 V Emitter-base voltage VEBO 3 V Collector current IC 50 mA Base current IB 25 mA Collector power dissipation PC 100 mW Ju... See More ⇒

Detailed specifications: 2SC425, 2SC4250, 2SC4251, 2SC4252, 2SC4253, 2SC4254, 2SC4255, 2SC4256, 431, 2SC4258, 2SC4259, 2SC426, 2SC4260, 2SC4261, 2SC4262, 2SC4263, 2SC4264

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