LESHAN RADIO COMPANY, LTD.
UF4001– UF4007
SUPER FAST DIODES
TYPE
Maximum
Peak
Reverse
Voltage
PRV
V
PK
Maximum Average
Rectified Current
@ Half-Wave
Resistive Load 60Hz
I
O
@ T
L
A
AV
ºC
Maximum
Forward Peak
Surge Current @ 8.3ms
Superimposed
I
FM
(Surge)
A
PK
Maximum
Reverse
Current @ PRV
@ T
A
=25ºC
I
R
Maximum
Forward
Voltage
@ T
A
=25ºC
I
FM
A
PK
V
FM
V
PK
Maximum
Reverse
Recovery
Time
T rr
ns
Package
Dimensions
µAdc
UF4001
UF4002
UF4003
UF4004
UF4005
UF4006
UF4007
50
100
200
400
600
800
1000
1.0
55
30
5.0
1.0
1.00
1.00
1.00
1.00
1.70
1.70
1.70
50
50
50
50
75
75
75
DO – 41
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
1.0(25.4)
MIN
.205(5.2)
.166(4.2)
1.0(25.4)
MIN
.034(0.9)
.028(0.7)
DIA
.107(2.7) DIA
.080(2.0)
DO – 41
10A–1/2
LESHAN RADIO COMPANY, LTD.
UF4001 – UF4007
RATING AND CHARACTERISTIC CURVES OF SUPER FAST DIODES
FIG.1–TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
AVERAGE FORWARD CURRENT,(A)
FIG. 2 – TYPICAL FORWARD
CURRENT DERATING CURVE
1.0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375”(9.5mm)
Lead Length
50
Ω
NONINDUCTIVE
10
Ω
NONINDUCTIVE
D.U.T.
(-)
PULSE
G E N E R AT O R
(NOTE 2)
(+)
+0.5A
Trr
(+)
25Vdc
(APPROX)
(-)
0
-0.25A
0.5
1Ω
NON.
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
NOTES:1.Rise Time=7ns max.
Input Impedance=1megohm.22pF.
2.Rise Time=10ns max.
Source Impedance=50 ohms.
-1.0A
SET TIME
BASE FOR 10 ns/cm
1cm
0
20
40
60
80
100
120
140
160
AMBIENT TEMPER ATURE, (ºC)
FIG. 3 – TYPICAL REVERSE
CHARACTERISTICS
10
100
INSTANTANEOUS REVERSE CURRENT (µA)
INSTANTANEOUS FORWARD CURRENT, (A)
FIG. 4 – TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
UF4001-UF4004
1
UF4005-UF4007
.1
T
J
= 150ºC
10
T
J
= 100ºC
1
T
J
= 25ºC
.1
.01
T
J
=25ºC
Pulse Width=300µs
1% Duty Cycle
.001
.4
.6
.8
1.0
1.2
1.4
1.6
1.8
.01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
INSTANTANEOUS FORWARD VOLTAGE,(V)
FIG. 5 – MAXINUM NON-REPETITIVE
FOWARD SURGE CURRENT
30
PEAK FORWARD SURGE CURRENT,(A)
FIG. 6 – TYPICAL JUNCTION CAPACITANCE
100
25
20
JUNCTION CAPACITANCE,(pF)
8.3ms Single Half Sine-Wave
(JEDEC Method)
T
A
=55ºC
UF4001-UF4007
10
UF4005-UF4007
15
10
5
1
.1
T
J
=25ºC
f =1MHz
V
sig
=50mV
p-p
1
2
10
20
100
1
2
4
6
8 10
20
40
60 80100
NUMBER OF CYCLES AT 60Hz
REVERSE VOLTAGE,(V)
10A–2/2
