LRC 1F7, 1F6, 1F5, 1F4, 1F3 Datasheet
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1A
1A FAST RECOVERY DIODES
LESHAN RADIO COMP ANY , LTD.
1F1 – 1F7
TYPE
1F1
1F2
1F3
1F4
1F5
1F6
1F7
Trr I F = 0.5A, I R = 1.0A, I
Trr Test Conditions: I F = 0.5A, I R = 1.0A, I
Maximum
Peak Reverse
Voltage
PRV
V
PK
50
100
200
400
600
800
1000
Resistive Load 60Hz
1.0
RR
Maximum Average
Rectified Current
@ Half-Wave
I O @ T
L
A
ºC
AV
25 25 5.0 1.0 1.3
= 0.25A
= 0.25A
RR
Maximum
Forward Peak
Surge Current @
8.3ms Superimposed
I
(Surge)
FM
A
PK
.787(20.0)
MIN
.025(0.65)
.021(0.55)
DIA
.126(3.2)
.106(2.7)
Maximum
Reverse
Current @ PRV
@ TA=25ºC
I
R
µAdc
.787(20.0)
MIN
.102(2.6)
DIA
.091(2.3)
Maximum
Forward
Voltage
@ TA=25ºC
I
FM
A
PK
V
FM
V
PK
Maximum
Reverse
Recovery Time
Trr
ns
150
150
150
150
250
500
500
Package
Dimensions
R – 1
R – 1
12A–1/2
LESHAN RADIO COMP ANY , LTD.
1F1-1F7
RATING & CHARACTERISTIC CURVES OF FAST RECOVERY DIODES
FIG.1–TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
50 Ω 10 Ω
NONINDUCTIVE NONINDUCTIVE
D.U.T.
(+)
25Vdc
(APPROX)
(-)
1Ω
OSCILLOSCOPE
NON.
INDUCTIVE
(NOTE 1)
NOTES:1.Rise Time=7ns max.
Input Impedance=1megohm.22pF.
2.Rise Time=10ns max.
Source Impedance=50 ohms.
FIG. 3 – TYPICAL REVERSE
CHARACTERISTICS
10
1.0
TJ =50ºC
TJ =25ºC
(-)
PULSE
GENERATOR
(NOTE 2)
(+)
+0.5A
-0.25A
-1.0A
Trr
0
1cm
BASE FOR 50/100ns/cm
FIG. 2 – TYPICAL FORWARD
CURRENT DERATING CURVE
1.0
.8
.6
.4
.2
0
AVERAGE FORWARD CURRENT,(A)
SET TIME
0 50 100 150 175
AMBIENT TEMPER ATURE, (ºC)
FIG. 4 – TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
20
10
1.0
TJ =25ºC
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
.1
INSTANTANEOUS REVERSE CURRENT (µA)
.01
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG. 5 – MAXINUM NON-REPETITIVE
FOWARD SURGE CURRENT
200
100
50
30
20
PEAK FORWARD SURGE CURRENT,(A)
10
1 5 10 50 100
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine-Wave
(JEDEC Method)
0.1
Pulse Width=300µs
INSTANTANEOUS FORWARD CURRENT, (A)
.01
.4 .6 .8 1.0 1.2 1.4 1.6 1.8
INSTANTANEOUS FORWARD VOLTAGE,(V)
1% Duty Cycle
FIG. 6 – TYPICAL JUNCTION CAPACITANCE
200
100
60
40
20
10
6
4
JUNCTION CAPACITANCE,(pF)
2
1
.1 .2 .4 1.0 2 4 10 20 40 100
TJ =25ºC
REVERSE VOLTAGE,(V)
12A–2/2
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