D1978
2SD1978
Silicon NPN Epitaxial, Darlington
Application
- Low frequency power amplifier
- plementary pair with 2SB1387
Outline
TO-92MOD
3 2 1
1. Emitter 2. Collector 3. Base
2 kΩ (Typ)
0.5 kΩ (Typ)
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 1.5
Unit V V V A A W °C °C A
Electrical Characteristics (Ta = 25°C)
Item
Symbol Min
Collector to base breakdown voltage
V(BR)CBO
Collector to emitter breakdown V(BR)CEO voltage
Emitter to base breakdown voltage
V(BR)EBO
Collector cutoff current
DC current transfer ratio Collector to emitter saturation voltage
I CBO I CEO h FE VCE(sat)1
- - 2000
- Base to emitter...
