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UPA1478 Datasheet(PDF) 3 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) 3 Page - NEC

   
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µPA1478
3
TYPICAL CHARACTERISTICS (TA = 25 ˚C)
DERATING CURVE OF SAFE
OPERATING AREA
0
100
TC - Case Temperature - ˚C
TOTAL POWER DISSIPATION vs.
AMBIENT TEMPERATURE
0
4
Ta - Ambient Temperature - ˚C
TOTAL POWER DISSIPATION vs.
CASE TEMPERATURE
0
30
TC - Case Temperature - ˚C
80
60
40
20
50
100
150
S/b
Limited
NEC
PA1478
µ
3
2
1
25
50
75
100
125
150
4 Circuits Operation
3 Circuits Operation
2 Circuits Operation
1 Circuit Operation
20
10
25
50
75
100
125
150
4 Circuits Operation
3 Circuits Operation
2 Circuits Operation
1 Circuit Operation
SAFE OPERATING AREA
1
10
VCE - Collector to Emitter Voltage - V
5
1
0.5
0.1
0.05
0.01
5
10
50
100
Single Pulse
Dissipation
Limited
S/b
Limited
50
ms
1 ms
µ
100
s
20
0.02
0.2
µ
300
s
DC CURRENT GAIN vs. COLLECTOR CURRENT
0.01
50000
IC - Collector Current - A
BASE AND COLLECTOR SATURATION
VOLTAGE vs. COLLECTOR CURRENT
10
IC - Collector Current - A
10000
1000
100
0.1
2.0
10
VCE = 2.0 V
Pulsed
IC/IB = 1000
Pulsed
2.0
0.5
0.1
0.5
2.0
10
VBE (sat)
VCE (sat)
20000
5000
200
500
2000
5.0
0.02 0.05
1.0
0.2
0.5
5.0
1.0
0.2
0.2
1.0
5.0
2


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