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Siemens Electronic Components Datasheet

Q68000 Datasheet

NPN Silicon AF Transistors

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NPN Silicon AF Transistors
q High current gain
q High collector current
q Low collector-emitter saturation voltage
q Complementary types: BC 636, BC 638,
BC 640 (PNP)
BC 635
… BC 639
2
3
1
Type
BC 635
BC 637
BC 639
Marking
Ordering Code
Q68000-A3360
Q68000-A2285
Q68000-A3361
Pin Configuration
123
ECB
Package1)
TO-92
If desired, selected transistors, type BC 63 5 –10 (hFE = 63 … 160), or BC 63 5 –16
(hFE = 100 … 250) are available. Ordering codes upon request.
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1) For detailed information see chapter Package Outlines.
Semiconductor Group
1
5.91



Siemens Electronic Components Datasheet

Q68000 Datasheet

NPN Silicon AF Transistors

No Preview Available !

BC 635
… BC 639
Maximum Ratings
Parameter
Symbol Values
BC 635
Collector-emitter voltage
VCE0
45
Collector-base voltage
VCB0
45
Emitter-base voltage
VEB0
Collector current
IC
Peak collector current
ICM
Base current
IB
Peak base current
IBM
Total power dissipation, TC = 90 ˚C1) Ptot
Junction temperature
Tj
Storage temperature range
Tstg
BC 637 BC 639
60 80
60 100
5
1
1.5
100
200
0.8 (1)
150
– 65 … + 150
Thermal Resistance
Junction - ambient1)
Junction - case2)
Rth JA
Rth JC
156
75
Unit
V
A
mA
W
˚C
K/W
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1) If the transistors with max. 4 mm lead length are fixed on PCBs with a min. 10 mm × 10 mm large copper area
for the collector terminal, Rth JA = 125 K/W and thus Ptot max = 1 W at TA = 25 ˚C.
2) Mounted on Al heat sink 15 mm × 25 mm × 0.5 mm.
Semiconductor Group
2


Part Number Q68000
Description NPN Silicon AF Transistors
Maker Siemens Semiconductor
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Q68000 Datasheet PDF






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