2SD1944 Datasheet and Replacement
Type Designator: 2SD1944
Material of Transistor: Si
Polarity: NPN
Maximum Collector Power Dissipation (Pc): 30
W
Maximum Collector-Base Voltage |Vcb|: 80
V
Maximum Collector-Emitter Voltage |Vce|: 60
V
Maximum Emitter-Base Voltage |Veb|: 8
V
Maximum Collector Current |Ic max|: 3
A
Max. Operating Junction Temperature (Tj): 150
°C
Transition Frequency (ft): 50
MHz
Forward Current Transfer Ratio (hFE), MIN: 400
Noise Figure, dB: -
Package:
TO220
-
BJT ⓘ Cross-Reference Search
2SD1944 Datasheet (PDF)
8.4. Size:83K sanyo
2sd1940.pdf 
Ordering number:EN2533NPN Epitaxial Planar Silicon Transistor2SD194085V/6A, AF 25 to 30WOutput ApplicationsFeatures Package Dimensions Micaless package facilitating mounting.unit:mm Wide ASO.2041A[2SD1940]4.510.02.83.22.41.61.20.70.751 2 31 : Base2.55 2.552 : Collector3 : Emitter2.55 2.55SANYO : TO-220MLSpecificationsAbsolute Maximum
8.5. Size:977K rohm
2sd1949fra 2sd1484kfra.pdf
Data SheetAEC-Q101 QualifiedMedium Power Transistor (50V,0.5A)2SD1949FRA / 2SD1484KFRA2SD1949 / 2SD1484KFeatures Dimensions (Unit : mm)1) High current.(IC=0.5A)UMT32) Low saturation voltage, typically VCE(sat)=0.1V at IC / IB=150mA / 15mA.(SC-70)(1) Emitter(2) Bace(3) CollectorAbsolute maximum rationgs (Ta=25 C)SMT3(SC-59)Parameter Symbol Limits Unit
8.6. Size:106K rohm
2sd1949 2sd1949 2sd1484k.pdf
Data SheetMedium Power Transistor (50V,0.5A)MediumPowerTransistor(50V,0.5A)2SD1949 / 2SD1484K2SD19492SD1484KFeatures Dimensions (Unit : mm)1) High current.(IC=0.5A)UMT32) Low saturation voltage, typically VCE(sat)=0.1V at IC / IB=150mA / 15mA.(SC-70)(1) Emitter(2) Bace(3) C
8.7. Size:1672K rohm
2sd1949 2sd1484k.pdf
2SD1949 / 2SD1484KDatasheetMiddle Power Transistor (50V, 500mA)lOutlinelParameter Value SOT-323 SOT-346VCEO50VIC500mA 2SD1949 2SD1484K(UMT3) (SMT3) lFeatures lInner circuitl l1)High current. (IC=0.5A)2)Low VCE(sat) VCE(sat)400mV at IC=150mA/IB=15
8.8. Size:213K inchange semiconductor
2sd1940.pdf
isc Silicon NPN Power Transistor 2SD1940DESCRIPTIONCollector-Emitter Breakdown Voltage-: V = 85V(Min.)(BR)CEOGood Linearity of hFEWide Area of Safe OperationMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationAPPLICATIONSDesigned for AF 25~30W output applications.ABSOLUTE MAXIMUM RATINGS(T =25)aSYMBOL PARAMETER VALUE UNITV
8.9. Size:215K inchange semiconductor
2sd1941.pdf
isc Silicon NPN Power Transistor 2SD1941DESCRIPTIONHigh Breakdown Voltage-: V = 1500V (Min)CBOHigh Switching SpeedMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationAPPLICATIONSDesigned for CTV/character display horizontal deflectionoutput stage applicationsABSOLUTE MAXIMUM RATINGS(Ta=25)SYMBOL PARAMETER VALUE UNITV Collector-Ba
Datasheet: 2SD1940
, 2SD1940D
, 2SD1940E
, 2SD1940F
, 2SD1940G
, 2SD1941
, 2SD1942
, 2SD1943
, 2SD1555
, 2SD1945
, 2SD1946
, 2SD1947
, 2SD1947A
, 2SD1948
, 2SD1949
, 2SD195
, 2SD1950
.
Keywords - 2SD1944 transistor datasheet
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