SK32A-LT
THRU
SK310A-LT
3 Amp Schottky
Rectifier
20 to 100 Volts
Features
• For Surface Mount Applications
• Extremely Low Thermal Resistance
• Easy Pick And Place
Maximum Ratings
• Operating Temperature: -50°C to +125°C
• Storage Temperature: -50°C to +150°C
• Maximum Thermal Resistance; 10°C/W Junction To Lead
MCC
Part
Number
Device
Marking Maximum
Recurrent
Peak Reverse
Voltage
Maximum
RMS
Voltage
Maximum
DC
Blocking
Voltage
SK32A-LT SK32A 20V 14V 20V
SK33A-LT SK33A 30V 21V 30V
SK34A-LT SK34A 40V 28V 40V
SK35A-LT SK35A 50V 35V 50V
SK36A-LT SK36A 60V 42V 60V
SK38A-LT SK38A 80V 56V 80V
SK310A-LT SK310A 100V 70V 100V
MCC
www.mccsemi.com
DO-214AC
(SMAJ) (LEAD FRAME)
Electrical Characteristics @ 25°C Unless Otherwise Specified
Average Forward
Current IF(AV) 3.0A TJ = 120°C
Peak Forward Surge
Current IFSM 100A 8.3ms, half sine
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
IR.5mA
20mA TJ = 25°C
TJ = 100°C
Typical Junction
Capacitance CJ
250pF Measured at
1.0MHz, VR=4.0V
*Pulse test: Pulse width 200 µsec, Duty cycle 2%
Maximum
Instantaneous
Forward Voltage
SK32A-34A
SK35A-36A
SK38A-310A
VF
.50V
.75V
.85V
IFM = 3.0A;
TJ = 25°C*
0.050”
0.106”
0.083”
SUGGESTED SOLDER
PAD LAYOUT
A
B
D
C
E
F
G
H
DIMENSIONS
INCHES MM
DIM MIN MAX MIN MAX NOTE
A .157 .181 3.99 4.60
B .090 .115 2. 29 2.92
C .006 .012 0.15 0.31
D ..030 . 06 0 0. 76 1..52
E .189 .220 4.80 5.59
F .078 .103 1.98 2.62
G .050 .064 1.27 1.63
H .002 .008 0.05 0.203
• High Temp Soldering: 250C for 10 Seconds At Terminals
• High Current Capability With Low Forward Voltage
1
2
NOTES : SMA package have 2 kinds of
surface 1and 2 .
Both of dimensions are same.
omponents
21201 Itasca Street Chatsworth
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www.mccsemi.com
MCC
SK32A-LT thru SK310A-LT
Average Forward Rectified Current - Amperes versus
Ambient Temperature - °C
Figure 2
Forward Derating Curve
40 60 100 120 140 160
0
.5
1.0
1.5
Single Phase, Half Wave
60Hz Resistive or Inductive Load
Amps
°C
80
2.0
2.5
3.0
Figure 1
Typical Forward Characteristics
Instantaneous Forward Current - Amperes versus
Instantaneous Forward Voltage - Volts
Volts
4
6
20
10
Amps
.2 1.2
.4 .6 .8 1.0
.01
.02
.04
.06
.1
.2
.4
.6
1
2
25°C
40
60
100
1.4
SK32A-SK34ASK38A-SK310A
SK35A-36A
Figure 3
Junction Capacitance
.1 .2 1 .4 2 10 20 40
4 100 200
10
20
60
100
200
100
Junction Capacitance - pF versus
Reverse Voltage - Volts
pF
Volts
600
400
40
400
1000
TJ=25°C
www.mccsemi.com
MCC
SK32A-LT thru SK310A-LT
Figure 4
Typical Reverse Characteristics
Instantaneous Reverse Leakage Current - MicroAmperes versus
Percent Of Rated Peak Reverse Voltage - Volts
Volts
.4
.6
2
1
µAmps
20
120
40 60 80 100
.001
.002
.004
.006
.01
.02
.04
.06
.1
.2 25°C
4
6
10
140
1 100
4
0
25
50
75
8
Figure 5
Peak Forward Surge Current
Peak Forward Surge Current - Amperes versus
Number Of Cycles At 60Hz - Cycles
Amps
Cycles
2
6
10 20 60 80
40
100
125
150
SK35A-310A
SK32A-34A
75°C
100°C
