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WSD490 PDF даташит

Спецификация WSD490 изготовлена ​​​​«Weitron Technology» и имеет функцию, называемую «Surface Mount Schottky Barrier Diode».

Детали детали

Номер произв WSD490
Описание Surface Mount Schottky Barrier Diode
Производители Weitron Technology
логотип Weitron Technology логотип 

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WSD490 Даташит, Описание, Даташиты
WEITRON
Surface Mount Schottky Barrier Diode
P b Lead(Pb)-Free
Features:
* Low current rectification and high speed switching.
* Small surface mount type.
* Up to 500mA current capability.
* Low forward voltage drop .
* Silicon epitaxial planar chip, metal silicon junction.
* Lead-free parts meet environmental standards of MIL-STD-19500 /228
Mechanical Data:
* Epoxy:UL94-V0 rated flame retardant
* Case:Moldedplastic,SOT-23
* Terminals : Solder plated, solderable per MIL-STD-750, Method 2026
* Mounting Position : Any
* Weight : Approximated 0.008 gram
WSD490/WSD491
SCHOTTKY BARRIER
RECTIFIERS
1.0AMPERES
25-45VOLTS
3
1
2
SOT-23
SOT-23 Outline Dimensions
A
TOP VIEW
BC
E GD
H
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K
L
J
Unit:mm
Dim Min Max
A 0.37 0.50
B 1.20 1.40
C 2.10 2.64
D 0.89 1.09
E 0.46 1.00
G 1.78 2.04
H 2.80 3.04
J 0.01 0.13
K 0.89 1.11
L 0.35 0.69
M M 0.09 0.18
WEITRON
http://www.weitron.com.tw
1/3
Rev.A 11-Jan-2011









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WSD490 Даташит, Описание, Даташиты
WSD490/WSD491
Maximum Ratings and Electrical Characteristics
Rating 25 C Ambient Temperature Unless Otherwise Specified.
Single Phase Half Wave, 60Hz , Resistive or Inductive Load.
For Capacitive Load, Derate Current by 20%.
Type Number
Symbol
Maximum Recurrent Peak Reverse Voltage
VRM
Continuous reverse voltage
Mean rectifying current
VR
Io
Forward surge current, 8.3 ms Single Half
Sine-Wave Superimposed on Rated Load (JEDEC Method) IFSM
Maximum Instantaneous Forward Voltage at 1.0A
VF
Maximum DC Reverse Current Ta=25 C
At Rated DC Blocking Voltage Ta=100 C
IR
Operating Temperature Range
Tj
Storage Temperature Range
TSTG
WSD490 WSD491
45 25
45 25
1.0
3.0
0.50 0.45
0.2
4.0
-50 to + 125
-50 to + 125
Unit
V
V
A
A
V
mA
mA
C
C
Device Marking
Item
WSD491
WSD490
Marking
10T
10F
Eqivalent Circuit diagram
3
CATHODE
1
ANODE
3
CATHODE
1
ANODE
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WEITRON
http://www.weitron.com.tw
2/3
Rev.A 11-Jan-2011









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WSD490 Даташит, Описание, Даташиты
WSD490/WSD491
1.2
50
1.0
10 0.8
0.6 Single Phase
3.0 Half Wave 60Hz
0.4 Resistive Or Inductive Load
1.0 0.2
TJ=25 C
Pulse Width 300us
1% Duty Cycle
0
0
20 40 60 80 100 120 140 160 180 200
AMBIENT TEMPERATURE ( C)
0.1 FIG.2 Typical Forward Current Derating Curve
.01
.1 .2 .3 .4 .5 .6 .7 .8
FORWARE VOLTAGE.(V)
FIG.1 Typcial Forward Characteristics
100
10
1.0
Tj=75 C
Tj=25 C
.1
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.01
0 20 40 60 80 100 120 140
PERCENTAGE RATED PEAK REVERSE VOLTAGE
FIG.3 Typical Reverse Characteristics
175
150
125
100
75
50
25
0 .01
.05 .1
.5 1
5 10
50
REVERSE VOLTAGE (V)
FIG .4 Typical Junction Capacitance
100
WEITRON
http://www.weitron.com.tw
3/3
Rev.A 11-Jan-2011










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Номер в каталогеОписаниеПроизводители
WSD490Surface Mount Schottky Barrier DiodeWeitron Technology
Weitron Technology
WSD491Surface Mount Schottky Barrier DiodeWeitron Technology
Weitron Technology

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