UF2A-UF2M
Surface Mount Rectifiers
VOLTAGE RANGE: 50 --- 1000 V
CURRENT:
2.0
A
DO-214AA(SMB)
Features
Low cost
Low leakage
Low forward voltage drop
High current capability
Easily cleaned with Alcohol,Isopropanol
and similar solvents
The plastic material carries U/L recognition 94V-0
2.0± 0.15
4.7± 0.25
5.4± 0.2
Mechanical Data
Case:JEDEC DO-214AA,molded plastic
Polarity: Color band denotes cathode
Weight: 0.003 ounces,0.093 grams
Mounting position: Any
2.3± 0.15
1.3± 0.2
0.203MAX
Dimensions in millimeters
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified.
Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%.
UF2A
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forw ard rectified current
@T
L
=90
Peak forw ard surge current
8.3ms single half-sine-w ave
superimposed on rated load
Maximum reverse current
at rated DC blocking voltage
Typical junction capacitance
Typical thermal resistance
Storage temperature range
NOTE: 1. Measured with I
F
=0.5A, I
R
=1A, I
rr
=0.25A.
2. Measured at 1.0MHZ and applied rev erse v oltage of 4.0V DC.
UF2B
100
70
100
UF2D
200
140
200
UF2G
400
280
400
UF2J
600
420
600
UF2K
800
560
800
UF2M UNITS
1000
700
1000
V
V
V
A
V
RRM
V
RMS
V
DC
I
F(AV)
50
35
50
2
.0
I
FSM
@T
J
=125
3.6± 0.3
0.2± 0.05
50
1.0
1.4
5.0
100
50
15
15
- 55 ---- + 150
- 55 ---- + 150
75
12
1.7
A
V
A
ns
pF
／W
Maximum instantaneous forw ard voltage at2.0 A
@T
A
=25
@T
A
=100
(Note2)
(Note3)
V
F
I
R
t
rr
C
J
R
θ
JA
T
J
T
STG
Maximum thermal resistance (NOTE1)
Operating junction temperature range
UF2A-UF2M
Surface Mount Rectifiers
Ratings AND Charactieristic Curves
FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
t
rr
50
N 1.
10
N 1.
+0.5A
D.U.T.
(+)
25VDC
(approx)
(-)
PULSE
GENERATOR
(NOTE2)
0
-0.25A
1
NONIN-
DUCTIVE
OSCILLOSCOPE
(NOTE 1)
-1.0A
1cm
NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE = 1M .22pF.
JJJJJ2.RISE
TIME =10ns MAX.SOURCE IMPEDANCE=50 .
SET TIME BASE FOR 20/30 ns/cm
FIG.2 -- TYPICAL FORWARD CHARACTERISTIC
INSTANTANEOUS FORWARD CURRENT
100
10
FIG.3 -- FORWARD DERATING CURVE
z
AVERAGE FORWARD CURRENT
AMPERES
400V
2.5
2
T
J
=25
Pulse Width=300
µ
S
AMPERES
1.0
1.5
1
0.1
50\100\200V
600\800\1000V
.5
0
0
Single Phase
Half Wave 60H
Z
Resistive or
Inductive Load
0.01
0
25
50
75
100
125
150
175
0.2 0.4 0.6 0.8 1
1.2 1.4 1.6 1.8 2
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
AMBIENT TEMPERATURE,
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
PEAK FORWARD SURGE CURRENT
FIG.5 -- PEAK FORWARD SURGE CURRENT
JUNCTION CAPACITANCE,pF
200
100
60
40
UF2A-UF2G
50
40
30
8.3ms Single Half
Sine-Wave
20
10
6
4
T
J
=25
AMPERES
20
10
0
2
1
0.1 0.2
0.4
1
2
4
UF2J-UF2M
10
20
40
100
1
5
10
50
100
REVERSE VOLTAGE,VOLTS
NUMBER OF CYCLES AT 60Hz
嵌入式系统
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