LUGUANG SM5821

SM5820-SM5822
Surface Mount Schottky Barrier Rectifiers
VOLTAGE RANGE: 20 --- 40 V
CURRENT: 3.0 A
SMC(DO-214AB)
Features
Metal-Semiconductor junction with guard ring
7.5± 0.25
Low forward voltage drop,low switching losses
8.3± 0.2
2.4± 0.2
The plastic material carries U/L recognition 94V-0
Mechanical Data
1.5± 0.25
Case:JEDEC SMC,molded plastic
Polarity: Color band denotes cathode
0.25± 0.06
0.203MAX
xxxx
High surge capability
For use in low voltage,high frequency inverters free
wheeling,and polarity protection applications
5.8± 0.3
3.0± 0.15
Epitaxial construction
Weight: 0.007 ounces,0.21 grams
Dimensions in millimeters
Mounting position: Any
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%.
SM5820
SM5821
SM5822
UNITS
Maximum recurrent peak reverse voltage
VRRM
20
30
40
V
Maximum RMS voltage
VRMS
14
21
28
V
Maximum DC blocking voltage
VDC
20
30
40
V
Maximum average forw ard rectified current
@TL=90
IF(AV)
3.0
A
IFSM
80.0
A
Peak forw ard surge current
8.3ms single half-sine-w ave
superimposed on rated load
@TJ =125
Maximum instantaneous forw ard voltage @ 3.0A
(Note 1)
@ 9.4A
Maximum reverse current
at rated DC blocking voltage
@TA=25
@TA=100
VF
IR
0.475
0.50
0.525
0.85
0.90
0.95
2.0
20.0
Typical junction capacitance
(Note2)
CJ
250
Typical thermal resistance
(Note3)
RθJA
20
TJ
- 55 ---- + 125
TSTG
- 55 ---- + 150
Operating junction temperature range
Storage temperature range
NOTE: 1. Pulse test : 300 s pulse width,1% duty cy cle.
2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC.
3.Thermal resistance junction to ambient
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mail:[email protected]
V
mA
pF
/W
SM5820-SM5822
Surface Mount Schottky Barrier Rectifiers
Ratings AND Charactieristic Curves
FIG.2 -- PEAK FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT
AMPERES
4
3
AMPERES
AVERAGE FORWARD RECTIFIED CURRENT
FIG.1 -- FORWARD DERATING CURVE
Resistive or
Inductive Load
0.375"(9.5mm)Lead
Length
2
1
0
0
25
50
75
100
125
150
175
80
70
50
40
30
20
10
1
LEAD TEMPERATURE,
SM5820
SM5822
SM5821
1
T J= 2 5
P u ls e w id t h = 3 0 0
1 % D u t y C y c le
.1
.3
.5
.7
.9
1 .1
1 .3
1 .5
1 .7
1 .9
s
2 .1
CAPACITANCE, pF
1000
10
AMPERES
100
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
20
.1
10
NUMBER OF CYCLES AT 60Hz
FIG.3 -- TYPICAL INSTANTANEOUS FORWARD
XXXXXXXXX----CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT
TJ=TJMAX
8.3ms Single Half
Sine-Wave
60
T J =25℃
f=1.0MHz
Vsig=50mVp-p
100
10
0.1
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
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1
10
REVERSE VOLTAGE,VOLTS
mail:[email protected]
100