D1978 Datasheet (Hitachi)

D1978, 2SD1978

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 curren