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2SD1978
Silicon NPN Epitaxial, Darlington
Application
• Low frequency power amplifier • Complementary pair with 2SB1387
Outline
TO-92MOD
2
3 2 1
3
1. Emitter 2. Collector 3. Base
2 kΩ (Typ)
0.5 kΩ (Typ)
1
ID
2SD1978
Absolute Maximum Ratings (Ta = 25°C)
Item Collector to base voltage Collector to emitter voltage Emitter to base voltage Collector current Collector peak current Collector power dissipation Junction temperature Storage temperature E to C diode forward current
Symbol VCBO VCEO VEBO IC ic (peak) PC Tj Tstg ID
Ratings 120 120 7 1.5 3.0 0.9 150 –55 to +150 1.
D1978 Datasheet
