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2N490A データシート(PDF) 1 Page - Digitron Semiconductors

部品番号 2N490A
部品情報  NPN SILICON UNIJUNCTION TRANSISTOR
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メーカー  DIGITRON [Digitron Semiconductors]
ホームページ  http://www.digitroncorp.com
Logo DIGITRON - Digitron Semiconductors

2N490A データシート(HTML) 1 Page - Digitron Semiconductors

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DIGITRON SEMICONDUCTORS
144 Market Street
Kenilworth NJ 07033 USA
phone +1.908.245-7200
2N489-2N494, A, B
NPN SILICON UNIJUNCTION TRANSISTOR
Silicon unijunction transistors are three-terminal device having a stable “N” type negative resistance characteristic over a wide
temperature range.
FEATURES
Stable operation over wide temperature range
Low leakage current
Low peak point current
Guaranteed minimum pulse voltage
Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.
Available Non-RoHS (standard) or RoHS compliant (add PBF suffix).
MAXIMUM RATINGS
Rating
Value
Total RMS Power Dissipation (Unstabilized)
450mW
Total RMS Power Dissipation (Stabilized)
600mW
RMS Emitter Current
70mA
Peak Emitter Current (TJ = 150°C)
2 A
Emitter Reverse Voltage (TJ = 150°C)
60 V
Operating Temperature Range
-65° to +140°C
Operating Temperature Range (Stabilized)
-65° to +175°C
Storage Temperature Range
-65° to +175°C
ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted)
Maximum
Minimum
Intrinsic
standoff ratio
(1)
Interbase
resistance (2)
Modulated
interbase
current
Emitter
saturation
voltage
Emitter reverse current
Peak point
current
Valley point
current
VBB = 3V
IR = 50mA
VBB = 10V
IE = 50mA
VBB = 10V
VB2E =
60V
TJ =
150°C
VB2E =
10V
VB2E
=30V
VBB = 25V
RB2 = 100Ω
VBB = 20V
Base one
peak pulse
voltage
VRR = 10V
RBBO
IB2(MOI)
VE(SAT)
IEB2O
IEB2O
IEB2O
IP
IV
VOB1
ŋ
kΩ
mA
Part number
Min
Max
Min
Max
Min
Max
Volts
µA
µA
µA
µA
mA
Volts
2N489
.51
.62
4.7
6.8
6.8
22
5
2
20
-
12
8
-
2N489A
.51
.62
4.7
6.8
6.8
22
4
2
20
-
12
8
3
2N489B
.51
.62
4.7
6.8
6.8
22
4
2
20
0.2
6
8
3
2N490
.51
.62
6.2
9.1
6.8
22
5
2
20
-
12
8
-
2N490A
.51
.62
6.2
9.1
6.8
22
4
2
20
-
12
8
3
2N490B
.51
.62
6.2
9.1
6.8
22
4
2
20
0.2
6
8
3
2N490C
.51
.62
6.2
9.1
6.8
22
4
2
20
0.02
2
8
3
2N491
.56
.68
4.7
6.8
6.8
22
5
2
20
-
12
8
-
2N491A
.56
.68
4.7
6.8
6.8
22
4.3
2
20
-
12
8
3
2N491B
.56
.68
4.7
6.8
6.8
22
4.3
2
20
0.2
6
8
3
2N492
.56
.68
6.2
9.1
6.8
22
5
2
20
-
12
8
-
2N492A
.56
.68
6.2
9.1
6.8
22
4.3
2
20
-
12
8
3
2N492B
.56
.68
6.2
9.1
6.8
22
4.3
2
20
0.2
6
8
3
2N492C
.56
.68
6.2
9.1
6.8
22
4.3
2
20
0.02
2
8
3
2N493
.62
.75
4.7
6.8
6.8
22
5
2
20
-
12
8
-
2N493A
.62
.75
4.7
6.8
6.8
22
4.6
2
20
-
12
8
3
2N493B
.62
.75
4.7
6.8
6.8
22
4.6
2
20
0.2
6
8
3
2N494
.62
.75
6.2
9.1
6.8
22
5
2
20
-
12
8
-
2N494A
.62
.75
6.2
9.1
6.8
22
4.6
2
20
-
12
8
3
2N494B
.62
.75
6.2
9.1
6.8
22
4.6
2
20
0.2
6
8
3
2N494C
.62
.75
6.2
9.1
6.8
22
4.6
2
20
0.02
2
8
3
sales@digitroncorp.com
fax +1.908.245-0555
www.digitroncorp.com
Rev. 20121023


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