SMB PLASTIC
SILICON
RECTIFIERS
US3A~US3M
MAXIMUM RATINGS AND CHARACTERISTICS
@ 25°C Ambient Temperature (unless otherwise noted)
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ϭ
3.94
3.30
2.20
1.95
4.57
4.06
0.305
0.152
2.4
4
2.18
0.203MAX.
5.59
5.21
1.52
0.76
Unit:
mm
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
Ɣ
&DVH60%PROGHGSODVWLFERG\
ƔLead:Plated axial leads, solderable perMIL-STD-750,method 2026
ƔPolarity: Color band denotes cathode end
ƔMounting Position:Any
FEATURES
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
(Note1)
t
rr
50
75
ns
Typical junction capacitance
(Note2)
C
J
50
pF
Typical thermal resistance(Note3)
R
șJA
50
ć/W
Operating junction temperature range
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
Paramete
r
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
3.0
2.4
1.8
1.2
0.6
0
FIG. 1- FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD RECTIFIED
CURRENT, AMPERES
Single Phase
Half Wave 60Hz
Resistive or
inductive Load
LEAD TEMPERATURE, °C
0
20
50
75
100
125
150
175
100
80
60
40
20
0
10
NUMBER OF CYCLES AT 60 Hz
FIG. 2-MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
£PEAK FORWARD SURGE CURRENT,
AMPERES
1100
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
FIG. 3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD
CURRENT,AMPERES
INSTANTANEOUS FORWARD VOLEAGE, VOLTS
0.01
0.1
1
20
10
T
J=25 C
PULSE WIDTH=300
ms
1%DUTY CYCLE
US3A-US3D
US3G
US3J-US3M
0.2
0.6
1.0
1.4
2.0
1.8
0 20
1,000
100
10
1
0.1
0.01
TJ=100 C
TJ=25 C
FIG. 4-TYPICAL REVERSE
CHARACTERISTICS
INSTANTANEOUS REVERSE
CURRENT, MICROAMPERES
PERCENT OF RATED PEAK REVERSE VOLTAGE.(%)
40 60 80 100
0.1
REVERSE VOLTAGE,VOLTS
JUNCTION CAPACITANCE, pF
TJ=25 °C
1
20
150
400
1.0 10 100
0..10.01
100
10
1
0.1
t,PULSE DURATION,sec.
TRANSIENT THERMAL IMPEDANCE, C/W
FIG. 6-TYPICAL TRANSIENT
THERMAL IMPEDANCE
10 100
1
FIG. 5-TYPICAL JUNCTION CAPACITANCE
Rev. 1.2, Oct-23