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US2K-LFR Datasheet(PDF) 2 Page - Frontier Electronics.

Part # US2K-LFR
Description  2A ULTRA FAST RECOVERY SURFACE MOUNT RECTIFIER
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Manufacturer  FRONTIER [Frontier Electronics.]
Direct Link  http://www.frontierusa.com
Logo FRONTIER - Frontier Electronics.

US2K-LFR Datasheet(HTML) 2 Page - Frontier Electronics.

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US2A-LFR THRU US2M-LFR
Page: 2
RATINGS AND CHARACTERISTIC CURVE US2A-LFR THRU US2M-LFR
.1
.2
.4
1.0 2
4
10
20
40
100
REVERSE VOLTAGE (V)
.2
.4
.6
.8
1.0
1.2
1.4 1.6 1.8
2.0
INSTANTANEOUS FORWARD VOLTAGE (V)
FIG. 4-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
US2A-LF ~US2D-LF
US2J-LF ~US2M-LF
10
1.0
0.1
.01
.001
US2G-LF
FIG. 3-TYPICAL REVERSE CHARACTERISTICS
0
20
40
60
80
100
120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
100
10
1.0
.1
.01
TJ=25
oC
TJ=80
oC
TJ=125
oC
0 20 40 60 80 100 120 140 160 180 200
+0.5A
0
-0.25A
-1.0A
Trr
1cm
SET TIME BASE
FOR 10/20 ns/cm
FIG. 1-TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTIC
PULSE
GENERATOR
(NOTE 2)
(+)
25 Vdc
(approx)
(-)
D.U.T.
1
Ω
NON
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
50
Ω
NO INDUCTIVE
10
Ω
NO INDUCTIVE
(-)
(+)
NOTE: 1. RISE TIME=7ns MAX. INPUT
IMPEDANCE=1 MOhms 22PF
2. RISE TIME =10ns MAX. SOURCE
IMPEDANCE=50 OHMS
3.0
2.0
1.0
0
LEAD TEMPERATURE (ºC)
FIG. 2-TYPICAL FORWARD
CURRENT DERATING CURVE
SINGLE PHASE
HALF WAVE 60Hz
RESISTIVE OR
INDUCTIVE LOAD
P.C.B MOUNTED ON
0.3×0.3”(8.0×8.0mm)
COPPER PAD AREAS
FIG. 6-TYPICAL JUNCTION CAPACITANCE
200
100
40
20
10
6
4
2
1
TJ=25
oC
FIG. 5-MAXIMUM NON-REPETITIVE
FORWARD SURGE CURRENT
70
60
50
40
30
20
10
0
0
1
2
4
6
10
20
40
60
100
NUMBER OF CYCLES AT 60HZ
8.3 ms Single Half Sine Wave
(JEDEC Method)


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