DATA SHEET
SX32~SX39
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
VOLTAGE- 20 to 90 Volts CURRENT- 3.0 Amperes
SMA / DO-214AC
Unit: inch ( mm )
FEATURES
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-O
• For surface mounted applications
• Low profile package
• Built-in strain relief
• Metal to silicon rectifier. majority carrier conduction
• Low power loss,high efficiency
• High surge capacity
• For use in low voltage high frequency inverters, free wheeling,
and polarity protection applications
• High temperature soldering guaranteed: 260°C /10 seconds
at terminals
.114 (2.90)
.098 (2.50)
.062 (1.60)
.055 (1.40)
.181 (4.60)
.157 (4.00)
.012 (.305)
.006 (.152)
.096 (2.44)
.078 (2.00)
MECHANICAL DATA
Case: JEDEC DO-214AC molded plastic
Terminals:Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes positive end (cathode)
Standard packaging: 12mm tape (EIA-481)
Weight: 0.002 ounce, 0.064 gram
.060 (1.52)
.030 (0.76)
.008(.203)
.002(.051)
.208 (5.28)
.188 (4.80)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Resistive or inductive load.
SYMBOLS
SX32
20.0
14.0
20.0
SX33
30.0
21.0
30.0
SX34
40.0
28.0
40.0
SX35
50.0
35.0
50.0
3.0
SX36
60.0
42.0
60.0
SX38
80.0
56.0
80.0
SX39
UNITS
90.0
71.0
90.0
V
V
V
A
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
L
(See figure 1)
Peak Forward Surge Current 8.3ms single half sine-wave superim-
posed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 3.0A (Note 1)
Maximum DC Reverse Current (Note 1) Ta= 25°C
V
RRM
V
RMS
V
DC
I(AV)
I
FSM
V
F
I
R
0.50
80.0
0.75
0.5
20.0
0.85
A
V
mA
mA
at Rated DC Blocking Voltage
Maximum Thermal Resistance(Note 2)
Ta=100°C
RθJL
RθJA
17.0
°C/W
55.0
-50 to +150
-50 to +150
°C
°C
Operating and Storage Temperature Range T
J
Storage Temperature Range
NOTES:
A.Pulse Test with PW =300µsec, 2% Duty Cycle.
T
J
T
STG
B.Mounted on P.C. Board with 14mm
2
(.013mm thick) copper pad areas.
DATE : OCT.03.2002
PAGE . 1
INSTANTANEOUS FORWARD CURRENT, AMPERES
RATING AND CHARACTERISTIC CURVES
50
SX32~SX34
AVERAGE FORWARD RECITIFIED
CURRENT, AMPERES
3.0
2.5
2.0
1.5
1.0
0.5
0
50
60
70
80
90 100 110 120 130 140 150
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
P.C.B MOUNTED
ON 0.55 X 0.55" ( 14 X 14mm )
COPPER PAD AREAS
10
SX38~SX39
1.0
SX35~SX36
T
J
= 25 C
Pulse Width = 300
m
s
1% Duty Cycle
0.1
O
.2
.3
.4
.5
.6
.7
.8
.9 1.0 1.1
LEAD TEMPERATURE,
O
C
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
Fig.1- FORWARD CURRENT DERATING CURVE
INSTANTANEOUS REVERSE CURRENT, MILAMPERES
Fig.2- TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTIC
10
T
A
= 100
O
C
1000
CAPACITANCE, pF
1.0
T
J
= 25 C
O
T
A
= 75
O
C
0.10
100
T
A
= 25
O
C
0.01
SX32-SX34
SX35-SX39
.001
10
0.1
SX32-SX34
SX35-SX39
1.0
10
100
20
40
60
80 100 120 140
REVERSE VOLTAGE, VOLTS
PERCENT OF RATED PEAK
REVERSE VOLTAGE,%
Fig.3- TYPICAL REVERSE CHARACTERISTIC
PEAK FORWARD SURGE CURRENT,
AMPERES
Fig.4- TYPICAL JUNCTION CAPACITANCE
100
80
60
40
20
0
1
10
NUMBER OF CYCLE AT 60HZ
100
T
J
= 150 C
10ms SINGLE
HALF SINE-WAVE
O
Fig.5- MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
DATE : OCT.03.2002
PAGE . 2
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