SUPER FAST DIODES
LESHAN RADIO COMP ANY , LTD.
UF4001– UF4007
TYPE
UF4001
UF4002
UF4003
UF4004
UF4005
UF4006
UF4007
Trr I F=0.5A, I R=1.0A, I RR=0.25A
Trr Test Conditions: I F=0.5A, I R=1.0A, I RR=0.25A
Maximum
Peak
Reverse
Voltage
PRV
V
PK
50
100
200
400
600
800
1000
Maximum Average
Rectified Current
@ Half-Wave
Resistive Load 60Hz
I O@T
L
1.0
A
AV
ºC
55
Maximum
Forward Peak
Surge Current @ 8.3ms
Superimposed
I
FM
30
1.0(25.4)
MIN
.034(0.9)
DIA
.028(0.7)
(Surge)
A
PK
.205(5.2)
.166(4.2)
Maximum
Reverse
Current @ PRV
@ T
=25ºC
A
I
R
µAdc
5.0
1.0(25.4)
MIN
.107(2.7)
DIA
.080(2.0)
Maximum
@ T
I
FM
A
PK
1.0
Forward
Voltage
=25ºC
A
1.00
1.00
1.00
1.00
1.70
1.70
1.70
Maximum
Reverse
Recovery
Time
V
FM
V
PK
T rr
ns
50
50
Package
Dimensions
DO – 41
50
50
75
75
75
DO – 41
10A–1/2
LESHAN RADIO COMP ANY , LTD.
UF4001 – UF4007
RA TING AND CHARACTERISTIC CURVES OF SUPER FAST 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
100
10
1
TJ = 150ºC
TJ = 100ºC
TJ = 25ºC
(-)
PULSE
GENERATOR
(NOTE 2)
(+)
+0.5A
-0.25A
-1.0A
Trr
0
1cm
BASE FOR 10 ns/cm
FIG. 2 – TYPICAL FORWARD
CURRENT DERATING CURVE
1.0
0.5
AVERAGE FORWARD CURRENT,(A)
SET TIME
0
20 40 60 80 100 120 140 160
AMBIENT TEMPER ATURE, (ºC)
FIG. 4 – TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
10
UF4001-UF4004
1
UF4005-UF4007
.1
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375”(9.5mm)
Lead Length
.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
30
25
20
15
10
5
PEAK FORWARD SURGE CURRENT,(A)
1 2 4 6 8 10 20 40 60 80100
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine-Wave
(JEDEC Method)
TA=55ºC
.01
INSTANTANEOUS FORWARD CURRENT, (A)
.001
.4 .6 .8 1.0 1.2 1.4 1.6 1.8
INSTANTANEOUS FORWARD VOLTAGE,(V)
TJ=25ºC
Pulse Width=300µs
1% Duty Cycle
FIG. 6 – TYPICAL JUNCTION CAPACITANCE
100
UF4001-UF4007
10
JUNCTION CAPACITANCE,(pF)
TJ =25ºC
f =1MHz
1
V
=50mV
sig
.1 1 2 10 20 100
UF4005-UF4007
p-p
REVERSE VOLTAGE,(V)
10A–2/2