2SD637 Datasheet and Replacement
Type Designator: 2SD637
Material of Transistor: Si
Polarity: NPN
Maximum Collector Power Dissipation (Pc): 0.4 W
Maximum Collector-Base Voltage |Vcb|: 60 V
Maximum Collector-Emitter Voltage |Vce|: 50 V
Maximum Emitter-Base Voltage |Veb|: 7 V
Maximum Collector Current |Ic max|: 0.1 A
Max. Operating Junction Temperature (Tj): 135 °C
Transition Frequency (ft): 75 MHz
Collector Capacitance (Cc): 3.5 pF
Forward Current Transfer Ratio (hFE), MIN: 160
Noise Figure, dB: -
Package: SC71
2SD637 Substitution
2SD637 Datasheet (PDF)
2sd636 2sd637.pdf

Maintenance/DiscontinuedMaintenance/Discontinued includes following four Product lifecycle stage.(planed maintenance type, maintenance type, planed discontinued typed, discontinued type)Maintenance/DiscontinuedMaintenance/Discontinued includes following four Product lifecycle stage.(planed maintenance type, maintenance type, planed discontinued typed, discontinued type)Mainten
2sd637 e.pdf

Transistor2SD637Silicon NPN epitaxial planer typeFor low-power general amplificationUnit: mm6.9 0.1 2.5 0.11.51.5 R0.9 1.0Features R0.9High foward current transfer ratio hFE.Low collector to emitter saturation voltage VCE(sat).M type package allowing easy automatic and manual insertion aswell as stand-alone fixing to the printed circuit board.0.850.55 0.1 0.45
2sd637.pdf

Transistor2SD637Silicon NPN epitaxial planer typeFor low-power general amplificationUnit: mm6.9 0.1 2.5 0.11.51.5 R0.9 1.0Features R0.9High foward current transfer ratio hFE.Low collector to emitter saturation voltage VCE(sat).M type package allowing easy automatic and manual insertion aswell as stand-alone fixing to the printed circuit board.0.850.55 0.1 0.45
2sd639.pdf

Transistor2SD638, 2SD639Silicon NPN epitaxial planer typeFor medium-power general amplificationUnit: mmComplementary to 2SB643 and 2SB6446.9 0.1 2.5 0.11.51.5 R0.9 1.0FeaturesR0.9Low collector to emitter saturation voltage VCE(sat).M type package allowing easy automatic and manual insertion aswell as stand-alone fixing to the printed circuit board.0.85Absolute
Datasheet: 2SD63 , 2SD630 , 2SD631 , 2SD632 , 2SD633 , 2SD634 , 2SD635 , 2SD636 , BC557 , 2SD638 , 2SD639 , 2SD64 , 2SD640 , 2SD641 , 2SD642 , 2SD643 , 2SD644 .
History: M1 | 2N1564 | 2N1566 | 2SC3319 | 2SB605 | C742 | KSA1156O
Keywords - 2SD637 transistor datasheet
2SD637 cross reference
2SD637 equivalent finder
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History: M1 | 2N1564 | 2N1566 | 2SC3319 | 2SB605 | C742 | KSA1156O



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