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  Datasheet File OCR Text:
 SMD Type
Medium Power Transistor 2SD1781K
SOT-23
Transistors IC
Unit: mm
Very Low VCE(sat).VCE(sat) = -0.1V(Typ.) IC / IB= 500mA / 50mA
+0.1 2.4-0.1
High current capacity in compact package.
+0.1 1.3-0.1
1
+0.1 0.95-0.1 +0.1 1.9-0.1
2
0.55
0.4
Features
+0.1 2.9-0.1 +0.1 0.4-0.1
3
+0.05 0.1-0.01
+0.1 0.97-0.1
1.Base 2.Emitter 3.collector
Absolute Maximum Ratings Ta = 25
Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector current * Collector power dissipation Junction temperature Storage temperature * Single pulse Pw=100ms. Symbol VCBO VCEO VEBO IC ICP PC Tj Tstg Rating 40 32 5 0.8 1.5 200 150 -55 to +150 mW Unit V V V A
Electrical Characteristics Ta = 25
Parameter Collector-base breakdown voltage Collector-emitter breakdown voltage Emitter-base breakdown voltage Collector cutoff current Emitter cutoff current Collector-emitter saturation voltage DC current transfer ratio Output capacitance Transition frequency Symbol BVCBO BVCEO BVEBO ICBO IEBO IC=50iA IC=1mA IE=50iA VCB=20V VEB=4V 0.1 120 150 15 Testconditons Min 40 32 5 0.5 0.5 0.4 390 MHz pF Typ Max Unit V V V iA iA V
VCE(sat) IC/IB=500mA/50mA hFE fT Cob VCE=3V, IC=100mA VCE=5V, IE= -50mA, f=100MHz VCB=10V, IE=0A, f=1MHz
hFE Classification
Marking Rank hFE Q 120 270 AF R 180 390
+0.1 0.38-0.1
0-0.1
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