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  Datasheet File OCR Text:
 Transistor
2SD1205, 2SD1205A
Silicon NPN epitaxial planer type darlington
For low-frequency amplification
6.90.1
0.4
Unit: mm
2.50.1 1.0
1.0 2.40.2 2.00.2 3.50.1
s Features
q
1.5
1.5 R0.9 R0.9
q
0.85
0.550.1
0.450.05
1.250.05
s Absolute Maximum Ratings
Parameter Collector to base voltage Collector to 2SD1205 2SD1205A 2SD1205 VCEO VEBO ICP IC PC Tj Tstg Symbol VCBO
(Ta=25C)
3 2 1
Ratings 30 60 25 50 5 750 500 400 150 -55 ~ +150
Unit V
1:Base 2:Collector 3:Emitter
2.5 2.5
emitter voltage 2SD1205A Emitter to base voltage Peak collector current Collector current Collector power dissipation Junction temperature Storage temperature
V V mA mA mW C C
EIAJ:SC-71 M Type Mold Package
Internal Connection
C B
200
E
s Electrical Characteristics
Parameter Collector cutoff current Emitter cutoff current Collector to base voltage Collector to emitter voltage 2SD1205 2SD1205A 2SD1205 2SD1205A
(Ta=25C)
Symbol ICBO IEBO VCBO VCEO VEBO hFE*1 VCE(sat) VBE(sat) fT Conditions VCB = 25V, IE = 0 VEB = 4V, IC = 0 IC = 100A, IE = 0 IC = 1mA, IB = 0 IE = 100A, IC = 0 VCE = 10V, IC = 500mA*2 IC = 500mA, IB = 0.5mA*2 IC = 500mA, IB = 0.5mA*2 VCB = 10V, IE = -50mA, f = 200MHz 150
*2
min
typ
max 100 100
4.10.2
q
Forward current transfer ratio hFE is designed high, which is appropriate to the driver circuit of motors and printer bammer: hFE = 4000 to 2000. A shunt resistor is omitted from the driver. M type package allowing easy automatic and manual insertion as well as stand-alone fixing to the printed circuit board.
1.00.1
R
0.
4.50.1
7
Unit nA nA V
30 60 25 50 5 4000 20000 2.5 3
V V
Emitter to base voltage Forward current transfer ratio Collector to emitter saturation voltage Base to emitter saturation voltage Transition frequency
*1h
V V MHz
Pulse measurement
FE
Rank classification
Q R 4000 ~ 10000 8000 ~ 20000
Rank hFE
1
Transistor
PC -- Ta
Collector to emitter saturation voltage VCE(sat) (V)
500 100 30 10 3 25C 1 -25C 0.3 0.1 0.03 0.01 0.01 0.03 Ta=75C
2SD1205, 2SD1205A
VCE(sat) -- IC
Base to emitter saturation voltage VBE(sat) (V)
IC/IB=1000 100 30 10 3 Ta=-25C 1 0.3 0.1 0.03 0.01 0.01 0.03 75C 25C
VBE(sat) -- IC
IC/IB=1000
Collector power dissipation PC (mW)
400
300
200
100
0 0 20 40 60 80 100 120 140 160
0.1
0.3
1
3
10
0.1
0.3
1
3
10
Ambient temperature Ta (C)
Collector current IC (A)
Collector current IC (A)
hFE -- IC
105
Cob -- VCB
Collector output capacitance Cob (pF)
VCE=10V 8 7 6 5 4 3 2 1 0 IE=0 f=1MHz Ta=25C
Forward current transfer ratio hFE
Ta=75C 104 25C
-25C 103
102
10 0.01 0.03
0.1
0.3
1
3
10
1
3
10
30
100
Collector current IC (A)
Collector to base voltage VCB (V)
2


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