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Digitron - SILICON UNIJUNCTION TRANSISTORS

Numéro de référence 2N490
Description SILICON UNIJUNCTION TRANSISTORS
Fabricant Digitron 
Logo Digitron 





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2N490 fiche technique
2N489(A,B)-2N494(A,B)
High-reliability discrete products
and engineering services since 1977
SILICON UNIJUNCTION TRANSISTORS
FEATURES
Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.
Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix.
Stable operation over wide temperature range
Low leakage current
Low peak point current
Guaranteed minimum pulse voltage
MAXIMUM RATINGS
Rating
Total RMS Power Dissipation (Unstabilized)
Total RMS Power Dissipation (Stabilized)
RMS Emitter Current
Peak Emitter Current (TJ = 150°C)
Emitter Reverse Voltage (TJ = 150°C)
Operating Temperature Range
Operating Temperature Range (Stabilized)
Storage Temperature Range
Value
450mW
600mW
70mA
2A
60 V
-65° to +140°C
-65° to +175°C
-65° to +175°C
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Intrinsic
standoff
ratio (1)
Interbase
resistance (2)
Modulated
interbase
current
Emitter
saturation
voltage
Maximum
Emitter reverse
current
Part
number
VRR = 10V
VBB = 3V
IR = 50mA
VBB = 10V
IE = 50mA
VBB = 10V
VB2E
=
60V
TJ =
150°C
VB2E =
10V
VB2E
=30V
ŋ
Min Max
RBBO
kΩ
Min Max
IB2(MOI)
mA
Min Max
VE(SAT)
Volts
IEB2O
µA
IEB2O
µA
IEB2O
µA
2N489
.51 .62 4.7 6.8 6.8 22
5
2 20
-
2N489A
.51 .62 4.7 6.8 6.8 22
4
2 20
-
2N489B
.51 .62 4.7 6.8 6.8 22
4
2 20 0.2
2N490
.51 .62 6.2 9.1 6.8 22
5
2 20
-
2N490A
.51 .62 6.2 9.1 6.8 22
4
2 20
-
2N490B
.51 .62 6.2 9.1 6.8 22
4
2 20 0.2
2N490C
.51 .62 6.2 9.1 6.8 22
4
2 20 0.02
2N491
.56 .68 4.7 6.8 6.8 22
5
2 20
-
2N491A
.56 .68 4.7 6.8 6.8 22
4.3
2 20
-
2N491B
.56 .68 4.7 6.8 6.8 22
4.3
2 20 0.2
2N492
.56 .68 6.2 9.1 6.8 22
5
2 20
-
2N492A
.56 .68 6.2 9.1 6.8 22
4.3
2 20
-
2N492B
.56 .68 6.2 9.1 6.8 22
4.3
2 20 0.2
Peak
point
current
VBB = 25V
IP
µA
12
12
6
12
12
6
2
12
12
6
12
12
6
Minimum
Valley
point
current
RB2 =
100Ω
VBB = 20V
Base one
peak
pulse
voltage (3)
IV VOB1
mA Volts
8-
83
83
8-
83
83
83
8-
83
83
8-
83
83
Rev. 20150306

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