US1AJ-US1MJ
Surface Mount Rectifiers
REVERSE VOLTAGE: 50 - 1000 V
FORWARD CURRENT: 1.0 A
SMAJ
Features
4.3± 0.1
1.95± 0.25
2.6± 0.15
5.6± 0.2
◇
Plastic package has underwriters laboratories
vvv vvflam
mability classification 94V-0
◇
For surface mount applications
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111
Glass passivated chip junctions
Low profile package
Easy pick and place
2.35± 0.1
Ultrafast recovery times for high efficiency
Low forward voltage,low power loss
Built-in strain relief,ideal for autom ated placem ent
High temperature soldering:
250
o
C/10 seconds on terminals
Mechanical Data
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Case:JEDEC SMAJ,molded plastic body over
passivated chip
Polarity: Color band denotes cathode end
Weight: 0.003 ounces, 0.084 grams
Dimensions in millimeters
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient tem perature unless otherwise specified
US1AJ
Device marking code
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forw ard rectified current at
T
L
=110
O
C
Peak forw ard surge current 8.3ms single half-
sine-w ave superimposed on rated load(JEDEC
Method)
Maximum instantaneous forward voltage at1.0A
Maximum DC reverse current
at rated DC blockjing voltage
@T
A
=25
o
C
@T
A
=125 C
o
US1BJ US1DJ US1GJ US1JJ US1KJ US1MJ
UNITS
US1B
100
70
100
US1A
V
RRM
V
RWS
V
DC
I
F(AV)
I
FSM
V
F
I
R
t
rr
C
J
R
θ
JA
R
θ
JL
T
J
T
STG
50
35
50
US1D
200
140
200
US1G
400
280
400
1.0
30.0
US1J
600
420
600
0.203MAX
1.3± 0.2
0.2± 0.05
US1K
800
560
800
US1M
1000
700
1000
V
V
V
A
A
1.0
5.0
100.0
50
20
55
20
-55------- +150
-55------- +150
1.7
V
μΑ
Maximum reverse recovery time at I
F
=0.5A
I
R
=1.0A I
rr
=0.25A
Typical junction capacitance at 4.0V,1MH
Z
Maximum thermal resistance (NOTE1)
Operating temperature range
Storage temperature range
75
ns
pF
o
15
C/W
o
o
C
C
NOTE: 1.P.C.B.mounted on 0.2X0.2"(5.0X5.0mm) copper pad area
http://www.luguang.cn
mail:lge@luguang.cn
US1AJ-US1MJ
Surface Mount Rectifiers
Ratings AND Charactieristic Curves
FIG.1 -- FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD RECTIFIED
CURRENT,AMPERES
1 .5
1 .0
FIG.2 -- MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
PEAK FORWARD SURGE
CURRENT,AMPERES
30
25
20
15
10
5
0
1
10
100
TL=110
℃
8.3ms SINGLE HALF SINE-WAVE
(JEDEC METHOD)
R E S IS T IV E O R IN D U C T IV E
LOAD
0 .8
0 .6
0 .4
0 .2
0 .2 X 0 .2 "(5 .0 X 5 .0 m m )
COPPER PAD
AREAS
0
0
25
50
75
100
125
150
LEAD TEMPERATURE
℃
FIG.3 -- TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
NUMBER OF CYCLES AT 60HZ
FIG.4 -- TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS FORWARD
CURRENT,AMPERES
10
US1AJ-US1GJ
1
US1JJ-US1MJ
100
INSTANTANEOUS REVERSE
LEAKAGE CURRENT(mA)
T
J
=125
℃
10
1
25
℃
1
00
℃
1
0.1
2
5
℃
0.01
PULSE WIDTH=300
μ
s1%DUTY CYCLE T
J
=25
0.8 1.0
1.2
1.4
1.6
0.1
0.001
0.4
0.6
1.8
0.01
0
20
40
60
80
100
INSTANTANEOUS FORWARD VOLTAGE(V)
FIG.5 -- TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE(pF)
PERCENT OF RATED PEAK REVERSE VOLTAGE. (
％
)
FIG.6 -- TYPICAL TRANSIENT THERMAL IMPEDANCE
60
40
20
10
6
4
2
TRANSIENT THERMAL IMPEDANCE
(
O
C/W)
100
100
US1AJ--US1GJ
10
US1JJ--US1MJ
T
J
=25
f=1MHz
1
1
0.1 0.2
0.4
1
2
4
10
20
40
100
0.1
0.01
0.1
1
10
100
REVERSE VOLTAGE(V)
T,PULSE DURATION,
http://www.luguang.cn
mail:lge@luguang.cn
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