UF2A THRU UF2K
SURFACE MOUNT ULTRAFAST RECTIFIER
VOLTAGE - 50 to 800 Volts CURRENT - 2.0 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-214AA molded plastic
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity: Indicated by cathode band
Standard packaging: 12mm tape (EIA-481)
Weight: 0.003 ounce, 0.093 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
UF2A
UF2B
UF2D
UF2G
UF2J
UF2K
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
=90
J
I
(AV)
2.0
Amps
Peak Forward Surge Current 8.3ms single half sine-
wave superimposed on rated load(JEDEC method)
T
A
=55
J
I
FSM
50.0
Amps
Maximum Instantaneous Forward Voltage at 2.0A
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
200
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
28
P
F
Maximum Thermal Resistance (Note 3)
R
K
JL
20.0
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
SMB/DO-214AA
RATING AND CHARACTERISTIC CURVES
UF2A THRU UF2K
2.4
2.0
1.6
1.2
0.8
0.4
0
0 20
40
60
80 100
120
140
160
SINGLE PHASE HALF
WAVE 60Hz RESISTIVE
OR INDUCTIVE LOAD
P.C.B. MOUNTED ON
0.30.3"(8.08.0mm)
COPPER PAD AREAS
LEAD TEMPERATURE,
J
10
1.0
0.1
.01
0 .4 .6
8
1.0 1.2
1.4
UF2A
UF2G
UF2K
TJ = 25
J
PULSE WIDTH = 300us
2% DUTY CYCLE
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
Fig. 1-DERATING CURVE FOR OUTPUT RECTIFIED
CURRENT
Fig. 2-TYPICAL FORWARD CHARACTERISTICS
PER ELEMENT
30
25
20
15
10
5
1 2
5 10 20
50 100
8.3ms SINGLE HALF SINE WAVE
JEDEC METHOD
NUMBER OF CYCLES AT 60Hz
10
1.0
0.1
.01
0
20 40
60 80
100 120 140
TJ = 25
J
PERCENT OF RATED PEAK REVERSE VOLTAGE
Fig. 3-MAXIMUM FORWARD SURGE CURRENT
Fig. 4-TYPICAL REVERSE CHARACTERISTICS
100
10
5
1.0 10 100
REVERSE VOLTAGE, VOLTS
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
Fig. 5-TYPICAL JUNCTION CAPACITANCE
PER BRIDGE ELEMENT
Fig. 6-REVERSE RECOVERY TIME CHARACTERISTIC
AND TEST CIRCUIT DIAGRAM
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