US1A thru US1M
SURFACE MOUNT
ULTRA FAST RECTIFIER
FEATURES
• Glass passivated chip
• Ultra fast switching for high efficiency
• Low forward voltage drop and high current capability
• Low reverse leakage current
MECHANICAL DATA
• Case : Molded plastic
• Case Material: ”Green” Molding compound, UL
flammability classification 94V- 0, (No Br. Sb. Cl.)
"Halogen-free"
• Polarity : Indicated by cathode band
• Weight: 0.002 ounces , 0.069 grams
(Approximate)
REVERSE VOLTAGE
– 50 to 1000 Volts
FORWARD CURRENT – 1.0 Amperes
SMA
A
B
C
SMA
DIM
MIN
MAX
A
4.06
4.57
B
2.29
2.92
C
1.27
1.63
D
0.15
0.31
E
4.83
5.59
F
0.05
0.20
G
2.01
2.40
H
0.76
1.52
All Dimensions in millimeter
G
H
E
F
D
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25° ambient temperature unless otherwis e specified.
C
ABSOLUTE RATINGS
PARAMETER
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC Blocking voltage
Maximum Average rectified forward
@T
L
=110 °
C
current
Peak forward surge single half
@tp=8.3ms
sine-wave
Operating ant Storage temperature range
SYMBOL
V
RRM
V
RMS
V
DC
I
F
I
FSM
T
J,
T
STG
SYMBOL
V
F
I
R
C
j
SYMBOL
RthJ
A
RthJ
L
RthJ
C
20
TYP
60
22
18
MAX
50
75
UNIT
nS
REV. 10, Jun-2015, KSFA01
1.0
US1A
50
35
50
US1B
100
70
100
US1D
200
140
200
US1G
400
280
400
1.0
30
-55 ~ +150
MAX
1.3
5.0
50
1.7
US1J
600
420
600
US1K
800
560
800
US1M
1000
700
1000
UNIT
V
V
V
A
A
°
C
UNIT
V
uA
10
pF
UNIT
°
C/W
STATIC ELECTRICAL CHARACTERISTICS
PARAMETER
TEST CONDITION
T
J
= 25°
C
T
J
= 25°
C
T
J
= 100°
C
Forward voltage (Note 1)
I
F
=1A
Reverse leakage current at Rated DC
blocking voltage
Typical junction capacitance(Note 2)
PARAMETER
Typical thermal resistance(Note 3)
THERMAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
PARAMETER
Reverse recovery time
I
F
=0.5A,I
rr
=0.25A,I
R
=1.0A
SYMBOL
T
rr
Note :
(1) 300us pulse with, 2% duty cycle
(2) Measured at 1.0MHz and reverse voltage of 4.0V DC.
(3) Thermal resistance junction to Ambient, Lead and Case
RATING AND CHARACTERISTIC CURVES
US1A thru US1M
FIG.1- FORWARD CURRENT DERATING CURVE
1.25
FIG.2- MAXIMUM NON-REPETITIVE SURGE CURRENT
40
AVERAGE FORWARD CURRENT, (A)
1
PEAK FORWARD SURGE CURRENT,
(A)
30
0.75
20
0.5
10
0.25
8.3ms single half sine-wave
0
0
0
25
50
75
100
125
150
1
10
100
LEAD TEMPERATURE, (°
C)
NUMBER OF CY CLES AT 60Hz
FIG.3- TYPICAL FORWARD CHARACTERISTICS
10
100
FIG.4- TYPICAL JUNCTION CAPACITANCE
INSTANTANEOUS FORWARD CURRENT,
(A)
US1G
1
US1A to US1G
CAPACITANCE, (pF)
US1A to US1D
US1J to US1M
0.1
10
US1J to US1M
T
J
=25° f=1MHz
C,
T
J
=25°
C
1
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
1
10
100
0.01
INSTANTANEOUS FORWARD VOLTAGE, (V)
REVERSE VOLTAGE, (V)
FIG.5- TYPICAL REVERSE CHARACTERISTICS
100.000
T
J
=125°C
INSTANTANEOUS REVERSE CURRENT, (uA)
T
J
=100°C
10.000
1.000
T
J
=25°C
0.100
0.010
0
20
40
60
80
100
120
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
LEGAL DISCLAIMER NOTICE
Important Notice and Disclaimer
LSC reserves the right to make changes to this document and its products and specifications at
any time without notice. Customers should obtain and confirm the latest product information
and specifications before final design, purchase or use.
LSC makes no warranty, representation or guarantee regarding the suitability of its products for
any particular purpose, nor does LSC assume any liability for application assistance or
customer product design. LSC does not warrant or accept any liability with products which are
purchased or used for any unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property rights of LSC.
LSC products are not authorized for use as critical components in life support devices or
systems without express written approval of LSC.
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