UF3A thru UF3K
SURFACE MOUNT ULTRAFAST
RECTIFIER
CHENG- YI
ELECTRONIC
VOLTAGE RANGE
-50 TO 800 VOLTS
CURRENT
-3.0 Amperes
SMC/DO-214AB
FEATURES
For surface mounted applications
Low profile package
Built-in strain relief
Easy pick and place
Ultrafast recovery times for high efficiency
Plastic package has Underwriters Laboratory
Flammability Classification 94V-O
Glass passivated junction
High temperature soldering
260
o
C/10 seconds at terminals
.108(2.75)
.128(3.25)
.220(5.59)
.245(6.22)
.260(6.60)
.280(7.11)
.006(.152)
.012(.305)
.079(2.00)
.103(2.62)
.002(.051)
.008(.203)
.305(7.75)
.320(8.13)
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 ounces, 0.21 gram
.030(0.76)
.050(1.27)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
0
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, reistive or inductive load.
For capacitive load, derate current by 20%.
SYMBOLS
UF3A
50
35
50
UF3B
100
70
100
UF3D
200
140
200
3.0
UF3G
400
280
400
UF3J
600
420
600
UF3K
800
560
800
UNITS
V
V
V
A
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current,
at T
L=75 C
0
V
RRM
V
RMS
V
DC
I
(AV)
Peak Forward Surge Current
8.3 ms single half sine-wave superimposed
on rated load (JEDEC Method)
TA=55 C
0
I
FSM
V
F
I
R
0
100.0
A
Maximum Instantaneous Forward Voltage at 3.0A
Maximum DC Reverse Current
at Rated DC Blocking Voltage
@ TA=25
0
C
@ TA=100 C
0
1.0
10.0
300
50.0
75.0
15
1.4
1.7
V
A
100.0
63
0
Maximum Reverse Recovery Time (Note 1)
TJ=25 C
Typical Junction Capacitance (Note 2)
Maximum Thermal Resistance (Note 3)
Operating and Storage Temperature Range
R
T
RR
C
J
JL
T
J
, T
STG
nS
pF
C/W
0
-50 to +150
C
Notes : 1. Reverse Recovery Test Conditions: I
F
=0.5A, I
R
=1.0A, I
RR
=0.25A
2. Measured at 1.0 MH
Z
and Applied Vr=4.0 volts.
3. 8.0mm
2
(.013mm thick) land areas.
UF3A thru UF3K
SURFACE MOUNT ULTRAFAST
RECTIFIER
CHENG- YI
ELECTRONIC
RATING AND CHARACTERISTICS CURVES
UF3A THRU UF3K
Fig. 2 - MAXIMUM AVERAGE
FORWARD CURRENT RATING
Fig. 1 - REVERSE RECOVERY TIME CHARACTERISTIC
AND TEST CIRCUIT DIAGRAM
50
Noninductive
10
Noninductive
AVERAGE FORWARD CURRENT,
AMPERES
3.0
2.5
2.0
1.5
1.0
0.5
0
50
60
70
80
90 100 110 120 130 140 150
LEAD TEMPERATURE,
o
C
SINGLE PHASE
HALF W AVE
60H
Z
RESISTIVE OR
INDUCTIVE LOAD
P.C.B MOUNTED
ON 0.315x0.315"(8.0x8.0mm)
COPPER PAD AREAS
trr
+0.5A
( )
PULSE
GENERATOR
NOTE 2
(+)
25 Vdc
(approx)
( )
D.U.T.
0
-0.25
1
NON-
Inductive
OSCILLOSCOPE
NOTE 1
(+)
NOTES:1. Rise Time=7ns max.
Input Impedance=1 megohm. 22pF
2. Rise Time=10ns max.
Source Impedance=50 Ohms.
-1.0
SET TIME
BASE FOR
10ns/cm
1cm
Fig. 3 - TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE LEAKAGE CURRENT,
MICROAMPERES
100
Fig. 4 - TYPICAL FORWARD CHARACTERISTICS
100
INSTANTANEOUS FORWARD CURRENT, AMPERES
10.0
0
TJ=150C
10.0
UF3A
thru
UF3D
UF3G
TJ=100C
0
1.0
0
TJ=25C
UF3K
1.0
0.1
0.1
0
TJ=25C
Pulse Width=300 s
2% Duly Cycle
01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, VOLTS
0.01
0.4 0.6
0.8
1.0
1.2
1.4
1.6
1.8
INSTANTANEOUS FORWARD VOLTAGE. VOLTS
Fig. 5 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT,
AMPERES
200
Fig. 6 - TYPICAL JUNCTION CAPACITANCE
160
140
CAPACITANCE, pF
0
TJ=25C
f=1MHz
Vslg=50mVp-p
100
120
100
80
60
40
UF3G
thru
UF3K
UF3A thru
UF3D
50
8.3ms SINGLE HALF SINCE-WAVE
JEDEC METHOD
10
1
5
10
50
100
NUMBER OF CYCLES AT 60H
Z
20
.1
.5
1.0 2.0
5.0 10.0 20
50 100 200
500 1000
REVERSE VOLTAGE, VOLTS
