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NPN Silicon Transistors
SMBT 6428 SMBT 6429
For AF input stages and driver applications q High current gain q Low collector-emitter saturation voltage
q
Type SMBT 6428 SMBT 6429
Marking s1K s1L
Ordering Code (tape and reel) Q68000-A8321 Q68000-A8322
Pin Configuration 1 2 3 B E C
Package1) SOT-23
Maximum Ratings Parameter Collector-emitter voltage Collector-base voltage Emitter-base voltage Collector current Total power dissipation, TS = 71 ˚C Junction temperature Storage temperature range Thermal Resistance Junction - ambient2) Junction - soldering point Rth JA Rth JS
≤ ≤
Symbol VCE0 VCB0 VEB0 IC Ptot Tj Tstg
Values SMBT 6428 SMBT 6429 50 60 45 55 6 200 330 150 – 65 … + 150
Unit V
mA mW ˚C
310 240
K/W
1) 2)
For detailed information see chapter Package Outlines.
SMBT6428 Datasheet
