SMA PLASTIC
SILICON
RECTIFIERS
US3A~US3M
MAXIMUM RATINGS AND CHARACTERISTICS
@ 25°C Ambient Temperature (unless otherwise noted)
http://www.lujingsemi.com
ϭ
FEATURES
ƔThe plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
ƔFor surface mounted applications
ƔUltra fast switching for high efficiency
ƔLow reverse leakage
ƔBuilt-in strain relief,ideal for automated placement
ƔHigh forward surge current capability
ƔHigh temperature soldering guaranteed250 C/10 seconds at
terminals
MECHANICAL DATA
ƔCase:SMAmoldedplasticbody
ƔLead:Plated axial leads, solderable perMIL-STD-750,method 2026
ƔPolarity: Color band denotes cathode end
ƔMounting Position:Any
2.80
2.55
0.305
0.152
1.47
1.
32
4.50
3.99
2.40
1.95
1.52
0.76
0.203MAX.
5.
28
4.95
Unit: mm
US2A
US2B US2D
US2G
US2J US2K US2M
UNITS
Maximum recurrent peak reverse voltage
V
RRM
50 100 200 400 600 800 1000
V
Maximum RMS voltage
V
RMS
35 70 140 280 420 560 700
V
Maximum DC blocking voltage
V
DC
50 100 200 400 600 800 1000
V
Maximum Average Forward Rectified Current.375"(9.5mm)
Lead Length at Ta=55ć
I
F(AV)
3.0
A
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load
(JEDEC Method)
I
FSM
100.0
A
Maximum Instantaneous Forward Voltage at 3.0A
V
F
1.0 1.4 1.7
V
Maximum reverse current
at rated DC blocking voltage
I
R
5.0
50.0
μ A
Maximum reverse recovery time
(N
ote1)
t
rr
50
75
ns
Typical junction capacitance
(Note2)
C
J
50
pF
Typical thermal resistance(Note3)
R
șJA
50
ć/W
Operating junc
tion t
emperature r
ang
e
T
j
- 55 ---- + 125
ć
Storage temperature range
T
STG
- 55 ---- + 150
ć
1.Reverse recovery condition IF=0.5A,IR=1.0A,Irr=0.25A
2.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
3.P.C.B. mounted with 0.2x0.2”(5.0x5.0mm) copper pad areas
Parameter
Symbol
@T
A
=25°C
@T
A
=100°C
Rev. 1.2, Oct-23
RATINGS AND CHARACTERISTIC CURVES
US3A~US3M
http://www.lujingsemi.com
2
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
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FIG. 1- FORWARD CURRENT DERATING CURVE
$9(5$*()25:$5'5(&7,),('
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6LQJOH3KDVH
+DOI:DYH+]
5HVLVWLYHRU
LQGXFWLYH/RDG
/($'7(03(5$785(&
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
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
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
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
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

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180%(52)&<&/(6$7+]
FIG. 2-MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
£PEAK FORWARD SURGE CURRENT,
AMPERES

PV6,1*/(+$/)6,1(:$9(
-('(&0HWKRG
FIG. 3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
,167$17$1(286)25:$5'
&855(17$03(5(6
,167$17$1(286)25:$5'92/($*(92/76
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

7
- &
38/6(:,'7+ 
mV
'87<&<&/(
86$86'
86*
86-860
0.2
0.6
1.0
1.4
2.0
1.8
 

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7- &
7- &
FIG. 4-TYPICAL REVERSE
CHARACTERISTICS
,167$17$1(2865(9(56(
&855(170,&52$03(5(6
3(5&(172)5$7('3($.5(9(56(92/7$*(
40 60 80 100

5(9(56(92/7$*(92/76
-81&7,21&$3$&,7$1&(S)
7- &



1.0 10 100




t,PULSE DURATION,sec.
75$16,(177+(50$/,03('$1&(&:
FIG. 6-TYPICAL TRANSIENT
THERMAL IMPEDANCE
10 100
1
FIG. 5-TYPICAL JUNCTION CAPACITANCE
Rev. 1.2, Oct-23