BL
FEATURES
GALAXY ELECTRICAL
US2A---US2M
1111REVERSE
VOLTAGE: 50 - 1000 V
FORWARD CURRENT: 2.0 A
SURFACE MOUNT RECTIFIER
Plastic package has
underwriters laboratories
vvvvvflam
mability
classification
94V-0
For surface mount applications
Glass passivated chip junctions
Low profile package
Easy pick and place
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:
111
250
o
C/10 seconds on terminals
DO-214AA(SMB)
MECHANICAL DATA
Case:JEDEC DO-214AA,m olded plastic body over
passivated chip
Terminals:Solder
plated,
solderable per MIL-STD-750,
1111method
2026
Polarity: Color band denotes cathode end
Weight: 0.003 ounces, 0.093 gram
½½½½（½½）
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C am bient tem perature unless otherwise specified
US2A
Device marking code
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forw ard rectified current
@T
L
=90
O
C
Peak forw ard surge current 8.3ms single half-
sine-w ave superimposed on rated load(JEDEC
Method)
Maximum instantaneous forw ard voltage at 2A
Maximum DC reverse current
at rated DC blockjing voltage
@T
A
=25
o
C
@T
A
=125
o
C
US2B
US2B
100
70
100
US2D
US2D
200
140
200
US2G
US2G
400
280
400
2.0
50.0
US2J
US2J
600
420
600
US2K
US2K
800
560
800
US2M
UNITS
US2M
1000
700
1000
V
V
V
A
A
US2A
V
RRM
V
RWS
V
DC
I
F(AV)
I
FSM
V
F
I
R
t
rr
C
J
R
R
JA
JL
50
35
50
1.0
10.0
200.0
50
50
40.0
15.0
-55--------+150
-55--------+150
1.7
V
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
30
o
ns
pF
C/W
o
o
T
J
T
STG
C
C
NOTE: 1.P.C.B.mounted on 0.2X0.2"(5.0X5.0mm)copper pad area
www.galaxycn.com
Document Number 0280008
BL
GALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
FIG.1 -- FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD RECTIFIED
CURRENT,AMPERES
US2A---US2M
FIG.2 -- MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
50
2 .4
2 .0
PEAK FORWARD SURGE
CURRENT,AMPERES
R E S IS T IV E O R IN D U C T IV E
LOAD
45
40
35
30
25
20
15
10
5
0
1
TL=110
8 .3 m s S I N G L E H A L F S I N E - W A V E
(J E D E C M E T H O D )
1 .4
1 .0
0 .8
0 .4
0 .2 X 0 .2 " (5 .0 X 5 .0 m m )
CO PPER PAD
AREAS
0
0
25
50
75
100
125
150
10
100
LEAD TEMPERATURE
FIG.3 -- TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
0
NUMBER OF CYCLES AT 60HZ
FIG.4 -- TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS FORWARD
CURRENT,AMPERES
US2A-US2G
100
INSTANTANEOUS REVERSE
LEAKAGE CURRENT(mA)
T
J
=125
10
125
100℃
US2J-US2M
1
1
0.1
25℃
0.1
0.01
0.4
0.6
0.8
PULSE WIDTH=300
s1%DUTY CYCLE
T
J
=25
1.0
1.2
1.4
1.6
1.8
0.01
0
20
40
60
80
100
INSTANTANEOUS FORWARD VOLTAGE(V)
FIG.5 -- TYPICAL JUNCTION CAPACITANCE
PERCENT OF RATED PEAK REVERSE VOLTAGE. (
FIG.6 -- TYPICAL TRANSIENT THERMAL IMPEDANCE
)
TRANSIENT THERMAL IMPEDANCE
(
O
C/W)
JUNCTION CAPACITANCE(pF)
200
100
60
40
20
10
6
4
T
J
=25
US2A-US2J
100
10
1
US2K,US2M
2
1
0.1 0.2
0.4
1
2
0.1
0.01
0.1
1
10
100
4
10
20
40
100
REVERSE VOLTAGE(V)
T,PULSE DURATION,
www.galaxycn.com
Document Number 0280008
BL
GALAXY ELECTRICAL
2.
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