UF3A THRU UF3K
SURFACE MOUNT ULTRAFAST RECTIFIER
VOLTAGE - 50 to 800 Volts CURRENT - 3.0 Amperes
FEATURES
l
For surface mounted applications
l
Low profile package
l
Built-in strain relief
l
Easy pick and place
l
Ultrafast recovery times for high efficiency
l
Plastic package has Underwriters Laboratory
Flammability Classification 94V-O
l
Glass passivated junction
l
High temperature soldering:
260
J
/10 seconds at terminals
MECHANICAL DATA
Case: JEDEC DO-214AB molded plastic
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity: Indicated by cathode band
Standard packaging: 16mm tape (EIA-481)
Weight: 0.007 ounce, 0.21 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
J
ambient temperature unless otherwise specified.
Resistive or inductive load. For capacitive load, derate current by 20%.
SYMBOLS
UF3A
UF3B
UF3D
UF3G
UF3J
UF3K
UNITS
Maximum Recurrent Peak Reverse Voltage
V
RRM
50
100
200
400
600
800
Volts
Maximum RMS Voltage
V
RMS
35
70
140
280
420
560
Volts
Maximum DC Blocking Voltage
V
DC
50
100
200
400
600
800
Volts
Maximum Average Forward Rectified Current,
at T
L
=75
J
I
(AV)
3.0
Amps
Peak Forward Surge Current 8.3ms single half sine-
wave superimposed on rated load(JEDEC method)
T
A
=55
J
I
FSM
100.0
Amps
Maximum Instantaneous Forward Voltage at 3.0A
V
F
1.0
1.4
1.7
Volts
Maximum DC Reverse Current T
A
=25
J
At Rated DC Blocking Voltage T
A
=100
J
I
R
10.0
300
g
A
Maximum Reverse Recovery Time (Note 1) T
J
=25
J
T
RR
50.0
100.0
n
S
Typical Junction capacitance (Note 2)
C
J
75.0
63
P
F
Maximum Thermal Resistance (Note 3)
R
K
JL
15
J
/W
Operating and Storage Temperature Range
T
J
,T
STG
-50 to +150
J
NOTES:
1. Reverse Recovery Test Conditions: I
F
=0.5A, I
R
=1.0A, Irr=0.25A
2. Measured at 1 MHz and Applied reverse voltage of 4.0 volts
3. 8.0mm
2
(.013mm thick) land areas
SMC/DO-214AB
RATING AND CHARACTERISTIC CURVES
UF3A THRU UF3K
NOTE:1.Rise Time = 7ns max.
Input Impedance = 1 megohm. 22pF
2.Rise Time = 10ns max.
Source Impedance = 50 Ohms
t
rr
+0.5A
0
-0.25
-1.0
SET TIME 1cm
BASE FOR
50 ns/cm
3.0
2.5
2.0
1.5
1.0
0.5
50
60
70
80 90 100
110
120
130
140
150
SINGLE PHASE HALF
60Hz RESISTIVE OR
LOAD P.C.B MOUNTED
0.3150.315"(8.08.0mm)
COPPER PAD
LEAD TEMPERATURE,
J
Fig. 1-REVERSE RECOVERY TIME CHARACTERISTIC
AND TEST CIRCUIT DIAGRAM
Fig. 2-MAXIMUM AVERAGE FORWARD
CURRENT RATING
100
10
1
0.1
0.01
0 20 40 60 80 100 120 140
T
J
= 150
J
T
J
= 100
J
T
J
= 25
J
PERCENT OF PEAK REVERSE VOLTAGE VOLTS
100
10
1
0.1
0.01
0.4
0.6 0.8
1.0 1.2 1.4
1.6 1.8
UF3K
UF3G
UF3A ~ UF3D
T
J
= 25
J
PULSE WIDTH = 300
g
s
2% DUTY CYCLE
INSTANTANEOUS FORWARD VOLTAGE VOLTS
Fig. 3-TYPICAL REVERSE CHARACTERISTICS
Fig. 4-TYPICAL FORWARD CHARACTERISTICS
200
100
50
10
1
5
10 50 100
8.3ms SINGLE HALF SINE
WAVE JEDEC METHOD
NUMBER OF CYCLES AT 60Hz
160
140
120
100
80
60
40
20
.1
.5
1
2
5
10
20
50 100 200 500 1000
UF3A ~ UF3D
UF3G ~ UF3K
TJ = 25
J
f = 1MHZ
Vsig = 50mVp-p
REVERSE VOLTAGE VOLTS
Fig. 5-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
Fig. 6-TYPICAL JUNCTION CAPACITANCE
I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
W
A
R
D
C
U
R
R
E
N
T
A
M
P
E
R
E
S
I
N
S
T
A
N
T
A
N
E
O
U
S
R
E
V
E
R
S
E
L
E
A
K
A
G
E
C
U
R
R
E
N
T
,
M
I
C
R
O
A
M
P
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S
P
E
A
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F
O
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W
A
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S
U
R
G
E
C
U
R
R
E
N
T
,
A
M
P
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R
E
S
C
A
P
A
C
I
T
A
N
C
E
,
p
F
A
V
E
R
A
G
E
F
O
R
W
A
R
D
C
U
R
R
E
N
T
,
A
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P
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S
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