2SD2678 Specs and Replacement

Type Designator: 2SD2678

SMD Transistor Code: XX

Material of Transistor: Si

Polarity: NPN

Absolute Maximum Ratings

Maximum Collector Power Dissipation (Pc): 2 W

Maximum Collector-Base Voltage |Vcb|: 15 V

Maximum Collector-Emitter Voltage |Vce|: 12 V

Maximum Emitter-Base Voltage |Veb|: 6 V

Maximum Collector Current |Ic max|: 3 A

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

Electrical Characteristics

Transition Frequency (ft): 360 MHz

Collector Capacitance (Cc): 20 pF

Forward Current Transfer Ratio (hFE), MIN: 270

Noise Figure, dB: -

Package: MPT3

 2SD2678 Substitution

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2SD2678 datasheet

 ..1. Size:76K  rohm

2sd2678.pdf pdf_icon

2SD2678

2SD2678 Transistors 3A / 12V Bipolar transistor 2SD2678 Applications Dimensions (Unit mm) Low frequency amplification, driver MPT3 Features 1) Collector current is high. 2) Low collector-emitter saturation voltage. (VCE(sat) 250mV at IC = 1.5A, IB = 30mA) (1)Base (2)Collector Structure (3)Emitter Abbreviated symbol XX NPN epitaxial planar silicon transistor... See More ⇒

 8.1. Size:59K  rohm

2sd2670.pdf pdf_icon

2SD2678

2SD2670 Transistors Low frequency amplifier 2SD2670 External dimensions (Unit mm) Application Low frequency amplifier TSMT3 Driver 1.0MAX 2.9 0.85 0.4 0.7 ( ) 3 Features 1) A collector current is large. ( ) ( ) 1 2 2) VCE(sat) max.250mV 0.95 0.95 0.16 At lc=1.5A / lB=30mA 1.9 (1) Base (2) Emitter Each lead has same dimensions (3) Collector Abso... See More ⇒

 8.2. Size:66K  rohm

2sd2671.pdf pdf_icon

2SD2678

2SD2671 Transistors Low frequency amplifier 2SD2671 External dimensions (Unit mm) Application Low frequency amplifier TSMT3 Driver 1.0MAX 2.9 0.85 0.4 0.7 ( ) 3 Features 1) A collector current is large. 2) VCE(sat) max. 370mV (1) (2) 0.95 0.95 At lc=1.5A / lB=75mA 0.16 1.9 (1) Base (2) Emitter Each lead has same dimensions (3) Collector Absolute maxi... See More ⇒

 8.3. Size:67K  rohm

2sd2675.pdf pdf_icon

2SD2678

2SD2675 Transistors General purpose amplification (30V, 1A) 2SD2675 External dimensions (Unit mm) Application Low frequency amplifier TSMT3 1.0MAX 2.9 0.85 Features 0.7 0.4 (3) 1) A collector current is large. 2) Collector saturation voltage is low. 1 2 VCE(sat) max.350mV ( ) ( ) 0.95 0.95 0.16 At IC = 500mA / IB = 25mA 1.9 (1) Base (2) Emitter Each lead... See More ⇒

Detailed specifications: 2SD2645, 2SD2646, 2SD2648, 2SD2649, 2SD2650, 2SD2651, 2SD2659, 2SD2663, S9014, 2SD2679, 2SD2687S, 2SD2688LS, 2SD2689LS, CBSL100, NESG2101M05, NESG2101M16, NESG210719

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