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2N4449UB Scheda tecnica(PDF) 1 Page - Microsemi Corporation

Il numero della parte 2N4449UB
Spiegazioni elettronici  NPN SILICON SWITCHING TRANSISTOR
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Produttore elettronici  MICROSEMI [Microsemi Corporation]
Homepage  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

2N4449UB Scheda tecnica(HTML) 1 Page - Microsemi Corporation

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TECHNICAL DATA
NPN SILICON SWITCHING TRANSISTOR
Qualified per MIL-PRF-19500/317
Devices
Qualified Level
2N2369A
2N2369AU
2N2369AUA
2N2369AUB
2N4449
2N4449U
2N4449UA
2N4449UB
JAN
JANTX
JANTXV
MAXIMUM RATINGS
Ratings
Symbol
All UB
All others
Unit
Collector-Emitter Voltage
VCEO
20
15
Vdc
Emitter-Base Voltage
VEBO
6.0
4.5
Vdc
Collector-Base Voltage
VCBO
40
Vdc
Collector-Emitter Voltage
VCES
40
Vdc
@ TA = +25
0C @ TC = +250C
Total Power Dissipation
2N2369A; 2N4449
All UA
All UB
All U
PT
0.50
(1)
0.50
(5)
0.40
(6)
0.60
(3)
1.2
(2)
1.2
(2)
1.4
(7)
1.5
(4)
W
W
Operating & Storage Junction Temperature Range Top, Tstg
-65 to +200
0C
THERMAL CHARACTERISTICS
Characteristics
Symbol
Max.
Unit
Thermal Resistance, Junction-to-Case
2N2369A; 2N4449
All UA
All UB
All U
RθJC
146
125
135
117
0C/mW
Thermal Resistance, Ambient-to-Case
2N2369A; 2N4449
All UA
All UB
All U
RθJA
325
350
437
291
0C/mW
1) Derate linearly 3.08 mW/
0C above T
A = +37.5
0C
5) Derate linearly 2.86 mW/
0C above T
C = +63.5
0C
2) Derate linearly 6.85 mW/
0C above T
C = +25
0C
6) Derate linearly 2.29 mW/
0C above T
C = +63.5
0C
3) Derate linearly 3.44 mW/
0C above T
A = +63.5
0C
7) Derate linearly 8.00 mW/
0C above T
C = +63.5
0C
4) Derate linearly 8.55 mW/
0C above T
C = +63.5
0C
TO-18* (TO-206AA)
2N2369A
TO-46 (TO-206AB)
2N4449
SURFACE MOUNT
UA*
SURFACE MOUNT
UB*
SURFACE MOUNT
U*
*See appendix A for
package outline
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
120101
Page 1 of 2


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