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  Datasheet File OCR Text:
 SMD Type
Medium Power Transistor FMMT491
SOT-23
+0.1 2.9-0.1 +0.1 0.4-0.1
Transistors IC
Unit: mm
+0.1 2.4-0.1
Low equivalent on-resistance.
1
+0.1 0.95-0.1 +0.1 1.9-0.1
+0.1 1.3-0.1
Features
2
0.55
0.4
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 Peak collector current Collector current Power dissipation Operating and storage temperature range Symbol VCBO VCEO VEBO ICM IC Ptot Tj,Tstg Rating 80 60 5 2 1 500 -55 to +150 Unit V V V A A mW
Electrical Characteristics Ta = 25
Parameter Collector-base breakdown voltage Collector-emitter breakdown voltage * Emitter-base breakdown voltage Collector cutoff current Emitter cut-off current Collector-emitter saturation voltage * Base-emitter saturation voltage * Base-emitter voltage * Symbol V(BR)CBO IC=100iA V(BR)CEO IC=10mA V(BR)EBO IE=100iA ICBO IEBO VCB=60V VEB=4V Testconditons Min 80 60 5 100 100 0.25 0.50 1.1 1.0 100 100 80 30 150 10 MHz pF 300 Typ Max Unit V V V nA nA V V V
IC=500mA,IB=50mA VCE(sat) IC=1A,IB=100mA VBE(sat) IC=1A,IB=100mA VBE(ON) IC=1A,VCE=5V IC=1mA,VCE=5V
Static Forward Current Transfer Ratio *
hFE
IC=500mA,VCE=5V IC=1A,VCE=5V IC=2A,VCE=5V
Current-gain-bandwidth product Output capacitance * Pulse test: tp 300 is; d 0.02.
fT Cobo
IC=50mA,VCE=10V,f=100MHz VCB=10V,f=1MHz
Marking
Marking 491
+0.1 0.38-0.1
0-0.1
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