SURFACE MOUNT
ULTRA FAST RECTIFIER REVERSE VOLTAGE – 50 to 1000
Volts
FORWARD CURRENT – 1.0 Amperes
SMA
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)
B
A
C
HEF
GD
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
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
ABSOLUTE RATINGS
PARAMETER SYMBOL
US1A
US1B
US1D US1G
US1J US1K
US1M
UNIT
Maximum repetitive peak reverse voltage V
RRM
50 100 200 400 600 800 1000 V
Maximum RMS voltage V
RMS
35 70 140 280 420 560 700 V
Maximum DC Blocking voltage V
DC
50 100 200 400 600 800 1000 V
Maximum Average rectified forward
current @T
L
=110 °C I
F
1.0 A
Peak forward surge single half
sine-wave @tp=8.3ms I
FSM
30 A
Operating ant Storage temperature range T
J,
T
STG
-55 ~ +150 °C
STATIC ELECTRICAL CHARACTERISTICS
PARAMETER TEST CONDITION SYMBOL
MAX UNIT
Forward voltage (Note 1)
I
F
=1A T
J
= 25°C V
F
1.0 1.3 1.7 V
Reverse leakage current at Rated DC
blocking voltage T
J
= 25°C
T
J
= 100°C I
R
5.0
50 uA
Typical junction capacitance(Note 2) C
j
20 10 pF
THERMAL CHARACTERISTICS
PARAMETER SYMBOL
TYP UNIT
Typical thermal resistance(Note 3) RthJ
A
RthJ
L
RthJ
C
60
22
18 °C/W
DYNAMIC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
MAX
UNIT
Reverse recovery time I
F
=0.5A,I
rr
=0.25A,I
R
=1.0A
T
rr
50 75 nS
REV. 10, Jun-2015, KSFA01
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
FIG.1- FORWARD CURRENT DERATING CURVE
0
0.25
0.5
0.75
1
1.25
0 25 50 75 100 125 150
LEAD TEMPERATURE, (°C)
AVERAGE FORWARD CURRENT, (A)
FIG.2- MAXIMUM NON-REPETITIVE SURGE CURRENT
0
10
20
30
40
1 10 100
NUMBER OF CYCLES AT 60Hz
PEAK FORWARD SURGE CURRENT,
(A)
FIG.3- TYPICAL FORWARD CHARACTERISTICS
0.01
0.1
1
10
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
INSTANTANEOUS FORWARD VOLTAGE, (V)
INSTANTANEOUS FORWARD CURRENT,
(A)
FIG.4- TYPICAL JUNCTION CAPACITANCE
1
10
100
1 10 100
REVERSE VOLTAGE, (V)
CAPACITANCE, (pF)
FIG.5- TYPICAL REVERSE CHARACTERISTICS
0.010
0.100
1.000
10.000
100.000
0 20 40 60 80 100 120
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
INSTANTANEOUS REVERSE CURRENT, (uA)
RATING AND CHARACTERISTIC CURVES
US1A thru US1M
8.3ms single half sine-wave
T
J
=25°C, f=1MHz
US1A to US1D
T
J
=25°C
T
J
=125°C
T
J
=25°C
US1A to US1G
US1J to US1M
US1G
US1J to US1M
T
J
=100°C
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