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Equivalent circuit
C
Darlington
sAbsolute maximum ratings (Ta=25°C)
Symbol VCBO VCEO VEBO IC IB PC Tj Tstg 2SD2557 200 200 6 5 2 70(Tc=25°C) 150 –55 to +150 Unit V V V A A W °C °C
2SD2557
sElectrical Characteristics
Symbol ICBO IEBO V(BR)CEO hFE VCE(sat) fT COB Conditions VCB=200V VEB=6V IC=10mA VCE=5V, IC=1A IC=1A, IB=5mA VCE=10V, IE=–0.5A VCB=10V, f=1MHz 2SD2557 100max 5max 200min 1500 to 6500 1.5max 15typ 110typ V pF
20.0min 4.0max
B
(3.2k Ω)(450 Ω) E
Silicon NPN Triple Diffused Planar Transistor
Application : Series Regulator and General Purpose
(Ta=25°C) Unit
External Dimensions MT-100(TO3P)
5.0±0.2 15.6±0.4 9.6 2.0 1.8 4.8±0.2 2.0±0.1
µA
mA V
19.9±0.3
4.0
a b
ø3.2±0.1
MHz
2 3 1.05 +0.2 -0.1 0.65 +0.2 -0.1 1.4
5.45±0.1 B C E
5.45±0.1
Weight : Approx 6.0g a. Type No.
2SD2557 Datasheet
