US1A thru US1M
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
MECHANICAL DATA
Case : Molded plastic
Polarity : Indicated by cathode band
Weight : 0.002 ounces, 0.064 grams
All Dimensions in millimeter
SMA
DIM. MIN. MAX.
A
C
D
E
F
G
H
B
4.06 4.57
2.92 2.29
1.27 1.63
0.31 0.15
4.83 5.59
0.05 0.20
2.01 2.62
0.76 1.52
V
RMS
V
DC
V
RRM
I
(AV)
I
FSM
V
F
I
R
Maximum Average Forward
Rectified Current
Peak Forward Surge Current
8.3ms single half sine-wave
super imposed on rated load (JEDEC METHOD)
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum forward Voltage at 1.0A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage
@T
J
=100 C
@T
J
=25 C
1.0
30
1.0
5.0
100
T
J
Operating Temperature Range
-55 to +150 C
T
STG
Storage Temperature Range
-55 to +150 C
uA
V
A
A
V
UNIT
V
V
CHARACTERISTICS SYMBOL
@T
L
=75 C
200
140
200
50
35
50
1000
700
1000
100
70
100
800
560
800
600
420
600
400
280
400
US1A US1M US1K US1J US1G US1D US1B
1.3 1.7
C
J
Typical Junction
Capacitance (Note 2)
20
pF
10
Typical Thermal Resistance (Note 3)
R
0JL
30
C/W
Maximum Reverse Recovery Time (Note 1)
T
RR
50 75
ns
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.
SURFACE MOUNT
ULTRA FAST RECTIFIERS
REVERSE VOLTAGE
- 50
to
1000
Volts
FORWARD CURRENT
- 1.0
Ampere
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%
SEMICONDUCTOR
LITE-ON
REV. 3, Mar-2005, KSFA01
B
A
C
H
E
F
G
D
SMA
RATING AND CHARACTERISTIC CURVES
US1A thru US1M
FIG.1 - FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT
AMPERES
25 75 100 125 150
0.8
0
50
0.4
175
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
1.0
0.6
0.2
LEAD TEMPERATURE , C
FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT
NUMBER OF CYCLES AT 60Hz
PEAK FORWARD SURGE CURRENT,
AMPERES
1510 50 100
220
0
10
20
30
Pulse Width 8.3ms
Single Half-Sine-Wave
(JEDEC METHOD)
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS
REVERSE CURRENT, (uA)
20 40 120 140
0
0.1
1.0
10
1000
100
60 80 100
TJ= 25 C
TJ= 125 C
INSTANTANEOUS FORWARD VOLTAGE, (VOLTS)
FIG.3 - TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT, (A)
0.2 0.4 1.2 1.4
0
0.1
1.0
10
0.6 0.8 1.0
.01
1.8
1.6
TJ= 25 C
US1J to US1M
US1A to US1D
PULSEWIDTH:300us
US1G
REV. 3, Mar-2005, KSFA01
