TOSHIBA
Transistor Silicon
NPN Diffused Type (PCT Process)
2SD1221
2SD1221
Audio Frequency Power Amplifier Application
Unit: mm
• Low collector saturation voltage : VCE (sat) = 0.
4 V (typ.
) (IC = 3 A, IB = 0.
3 A)
• High power dissipation: PC = 20 W (Tc = 25°C) • Complementary to 2SB906
Absolute Maximum Ratings (Ta = 25°C)
Characteristics
Symbol
Rating
Unit
Collector-base voltage
VCBO 60 V
Collector-emitter voltage
VCEO 60 V
Emitter-base voltage
VEBO 7 V
Collector current
IC 3 A
Base current
IB 0.
5 A
Collector power dissipation
Ta = 25°C Tc = 25°C
PC
1.
0 W
20
Junction temperature Storage temperature range
Tj 150 °C
Tstg
−55 to 150
°C
JEDEC JEITA TOSHIBA
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