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2SA1897K Datasheet(PDF) 2 Page - NEC

Part # 2SA1897K
Description  PNP SILICON EPITAXIAL TRANSISTOR FOR LOW-FREQUENCY POWER AMPLIFIERS AND MID-SPEED SWITCHING
PDF  6 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

2SA1897K Datasheet(HTML) 2 Page - NEC

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Data Sheet D16145EJ1V0DS
2
2SA1897
ELECTRICAL CHARACTERISTICS (Ta = 25
°°°°C)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Collector cutoff current
ICBO
VCB =
−20 V, IE = 0
1.0
µA
Emitter cutoff current
IEBO
VEB =
−8.0 V, IC = 0
1.0
µA
DC current gain
hFE1
VCE =
−2.0 V, IC = −0.5 A
200
600
DC current gain
hFE2
VCE =
−2.0 V, IC = −4.0 A
160
Collector saturation voltage
VCE(sat)
IC =
−4.0 A, IB = −50 mA
−230
−250
mV
Base saturation voltage
VBE(sat)
IC =
−4.0 A, IB = −50 mA
−0.9
−1.2
V
Gain bandwidth product
fT
VCE = –5.0 V, IE = 1.5 A
180
MHz
Output capacitance
Cob
VCB = –10 V, IE = 0, f = 1.0 MHz
220
pF
Turn-on time
ton
400
ns
Storage time
tstg
300
ns
Fall time
tf
IC =
−5.0 A, VCC = −10 V
IB1 =
−IB1 = −125 mA,
RL = 2.0
Ω,
60
ns
hFE CLASSIFICATION
Marking
L
K
hFE1
200 to 400
300 to 600



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