BF840 Datasheet. Specs and Replacement

Type Designator: BF840  📄📄 

SMD Transistor Code: F3_NCp_NCs_NCt_NCW

Material of Transistor: Si

Polarity: NPN

Absolute Maximum Ratings

Maximum Collector Power Dissipation (Pc): 0.3 W

Maximum Collector-Base Voltage |Vcb|: 40 V

Maximum Collector-Emitter Voltage |Vce|: 40 V

Maximum Emitter-Base Voltage |Veb|: 5 V

Maximum Collector Current |Ic max|: 0.025 A

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

Electrical Characteristics

Transition Frequency (ft): 380 MHz

Forward Current Transfer Ratio (hFE), MIN: 70

Noise Figure, dB: -

Package: SOT23

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BF840 datasheet

 ..1. Size:94K  philips

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BF840

DISCRETE SEMICONDUCTORS DATA SHEET BF840 NPN medium frequency transistor Product data sheet 2004 Jan 13 Supersedes data of 1999 Apr 12 NXP Semiconductors Product data sheet NPN medium frequency transistor BF840 FEATURES PINNING Low current (max. 25 mA) PIN DESCRIPTION Low voltage (max. 40 V). 1 base 2 emitter APPLICATIONS 3 collector AM mixers IF amplifiers i... See More ⇒

 ..2. Size:46K  philips

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BF840

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 ..3. Size:268K  nxp

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BF840

Important notice Dear Customer, On 7 February 2017 the former NXP Standard Product business became a new company with the tradename Nexperia. Nexperia is an industry leading supplier of Discrete, Logic and PowerMOS semiconductors with its focus on the automotive, industrial, computing, consumer and wearable application markets In data sheets and application notes which still contain... See More ⇒

 ..4. Size:20K  siemens

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BF840

NPN Silicon RF Transistors BF 840 BF 841 Suitable for common emitter RF, IF amplifiers Low collector-base capacitance due to contact shield diffusion Low output conductance Type Marking Ordering Code Pin Configuration Package1) 1 2 3 BF 840 NC Q62702-F1240 B E C SOT-23 BF 841 ND Q62702-F1287 Maximum Ratings Parameter Symbol Values Unit Collector-emitter voltage VCE0 40 V Collect... See More ⇒

Detailed specifications: BF820S, BF821, BF821S, BF822, BF822S, BF823, BF823S, BF824, 2SC828, BF841, BF844, BF845, BF847, BF848, BF850, BF857, BF857A

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