SMB PLASTIC
SILICON
RECTIFIERS
US3A~US3M
MAXIMUM RATINGS AND CHARACTERISTICS
@ 25°C Ambient Temperature (unless otherwise noted)
http://www.lujingsemi.com
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
&DVH60%PROGHGSODVWLFERG\
ƔLead:Plated axial leads, solderable perMIL-STD-750,method 2026
ƔPolarity: Color band denotes cathode end
ƔMounting Position:Any
FEATURES
Rev. 1.2, Oct-23
Maximum DC Blocking Voltage
Peak Forward Surge Current 8.3 ms Single Half
Sine Wave Superimposed on Rated Load
Maximum Instantaneous Forward Voltage at 3 A
Parameter
Maximum Repetitive Peak Reverse Voltage
Maximum RMS voltage
Operating and Storage Temperature Range
= 25 °CMaximum DC Reverse Current
at Rated DC Blocking Voltage T
a
=125 °C
T
a
Maximum Reverse Recovery Time
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
V
F
I
R
Symbols
50 100 200 400 600 800 1000 V
35 70 140 280 420 560 700
V
50 100 200 400 600 800 1000 V
3
90
1.3
5
100
50
75
-55 ~ +150
A
A
V
μA
ns
°C
Units
T
j
, T
stg
t
rr
Typical Thermal Resistance
R
θJA
R
θJC
45
15
°C/W
1.7
1.0
Maximum Average Forward Rectified Current
（1）
（2）
US3AB US3BB US3DB US3GB US3JB U
S3KB
US3MB
.
（2）
（1）Measured with I
F
= 0.5 A, I
R
= 1 A, I
rr
= 0.25 A
P.C.B. mounted with 2.0" X 2.0" (5 X 5 cm) copper pad areas.
RATINGS AND CHARACTERISTIC CURVES
US3A~US3M
http://www.lujingsemi.com
2
Rev. 1.2, Oct-23
Fig.2 Typical Reverse Characteristics
0.1
1.0
10
100
20 40 60 80 100 12000 140
percent of Rated Peak Reverse Voltage (%)
Instaneous Reverse Current（μA）
T
J
=125°C
T
J
=25°C
0.5
1.0
1.5
2.0
2.5
4.0
0.0
25 50
75
100 125 150 175
Average Forward Current (A)
Case Temperature (°C)
Fig.1 Maximum Average Forward Current Rating
3.0
3.5
Single phase half-wave 60 Hz
resistive or inductive load
Fig.3 Typical Forward Characteristics
2.0 2.5
1.5
0
0.01
10
0.5 1.0
0.001
Instaneous Forward Current (A)
Instaneous Forward Voltage (V)
T
J
=25°C
0.1
1.0
US3JB~US3MB
US3GB
US3AB~US3DB
20
40
60
80
100
120
00
10 100
Fig.4 Maximum Non-Repetitive Peak
Forward Surage Current
Peak Forward Surage Current (A)
Number of Cycles
8.3 ms Single Half Sine Wave
(JEDEC Method)
1