LITE-ON
SEMICONDUCTOR
US1A thru US1M
REVERSE VOLTAGE
- 50
to
1000
Volts
FORWARD CURRENT
- 1.0
Ampere
SURFACE MOUNT
ULTRA FAST RECTIFIERS
FEATURES
Glass passivated chip
Ultra fast switching for high efficiency
For surface mounted applications
Low forward voltage drop and high current capability
Low reverse leakage current
Plastic material has UL flammability classification 94V-0
B
SMA
SMA
A
C
DIM.
A
B
C
D
E
F
F
D
G
H
MIN.
4.06
2.29
1.27
0.15
4.83
0.05
2.01
0.76
MAX.
4.57
2.92
1.63
0.31
5.59
0.20
2.62
1.52
MECHANICAL DATA
Case : Molded plastic
Polarity : Indicated by cathode band
Weight : 0.002 ounces, 0.064 grams
G
H
E
All Dimensions in millimeter
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
℃
ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
CHARACTERISTICS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward
Rectified Current
SYMBOL
US1A
50
35
50
US1B
100
70
100
US1D
200
140
200
US1G
400
280
400
1.0
30
US1J
600
420
600
US1K
800
560
800
US1M
UNIT
1000
700
1000
V
V
V
A
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
I
R
T
RR
C
J
R
0JL
@T
L
=75 C
Peak Forward Surge Current
8.3ms single half sine-wave
super imposed on rated load (JEDEC METHOD)
Maximum forward Voltage at 1.0A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage
A
1.0
1.3
5.0
100
50
20
30
-55 to +150
-55 to +150
1.7
V
uA
@T
J
=25 C
@T
J
=100 C
Maximum Reverse Recovery Time (Note 1)
Typical Junction
Capacitance (Note 2)
Typical Thermal Resistance (Note 3)
Operating Temperature Range
Storage Temperature Range
75
10
ns
pF
C/W
T
J
T
STG
C
C
REV. 2, 01-Dec-2000, KSFA01
NOTES : 1.Reverse Recovery Test Conditions :I
F
=0.5A,I
R
=1.0A,I
RR
=0.25A.
2.Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
3.Thermal Resistance junction to Lead.
RATING AND CHARACTERISTIC CURVES
US1A thru US1M
AVERAGE FORWARD CURRENT
AMPERES
1.0
PEAK FORWARD SURGE CURRENT,
AMPERES
FIG.1 - FORWARD CURRENT DERATING CURVE
FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT
30
0.8
0.6
20
0.4
10
Pulse Width 8.3ms
Single Half-Sine-Wave
(JEDEC METHOD)
0.2
0
25
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
0
1
2
5
10
20
50
100
50
75
100
125
150
175
LEAD TEMPERATURE , C
NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS
10
INSTANTANEOUS FORWARD CURRENT, (A)
US1G
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
1000
INSTANTANEOUS
REVERSE CURRENT, (uA)
T
J
= 125 C
100
1.0
US1A to US1D
10
US1J to US1M
0.1
T
J
= 25 C
1.0
T
J
= 25 C
PULSEWIDTH:300us
.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
INSTANTANEOUS FORWARD VOLTAGE, (VOLTS)
0.1
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
REV. 2, 01-Dec-2000, KSFA01
详细参数
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