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UPA1478 Datasheet(PDF) 2 Page - NEC

Part No. UPA1478
Description  NPN SILICON POWER TRANSISTOR ARRAY LOW SPEED SWITCHING USE DARLINGTON TRANSISTOR INDUSTRIAL USE
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Maker  NEC [NEC]
Homepage  http://www.nec.com/
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UPA1478 Datasheet(HTML) 2 Page - NEC

   
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µPA1478
2
ELECTRICAL CHARACTERISTICS (TA = 25 ˚C)
CHARACTERISTIC
SYMBOL
MIN.
TYP.
MAX.
UNIT
TEST CONDITIONS
Collector Leakage Current
ICBO
10
µA
VCB = 20 V, IE = 0
Emitter Leakage Current
IEBO
1
mA
VEB = 5 V, IC = 0
Collector to Emitter
VCEO(SUS)
27
31
35
V
IC = 1 A,
Sustaining Voltage
L = 3 mH
DC Current Gain
hFE1
*
1000
VCE = 2 V, IC = 0.5 A
DC Current Gain
hFE2
*
2000
30000
VCE = 2 V, IC = 1 A
Collector Saturation Voltage
VCE(sat)
*
1.5
V
IC = 1 A, IB = 1 mA
Base Saturation Voltage
VBE(sat)
*
2
V
IC = 1 A, IB = 1 mA
Turn On Time
ton
0.5
µs
Storage Time
tstg
3
µs
Fall Time
tf
1
µs
* PW
≤ 350
µs, Duty Cycle ≤ 2 % / pulsed
SWITCHING TIME TEST CIRCUIT
IB2
VIN
PW
PW = 50
s
Duty Cycle
≤ 2 %
µ
.
.
VBB = –5 V
.
.
IB1
IC
T.U.T.
RL = 20
VCC = 20 V
.
.
.
.
Base Current
Wave Form
Collector
Current
Wave Form
IB1
IB2
IC
10 %
90 %
ton
tstg
tf
.
.
IC = 1 A
IB1 = –IB2 = 1 mA
VCC = 20 V, RL = 20
See test circuit
.
.
The application circuits and their parameters are for references only and are not intended for use in actual design-in's.


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