SK32A
THRU
SK310A
3 Amp Schottky
Rectifier
20 to 100 Volts
Features
• Same Electrical Characteristics As The SMC Version
• Very Low Cost
• Can Be Up To 50% Smaller Than The SMC To Save Precious
Board Space
• High Current Capability With Low Forward Voltage
• For Surface Mount Applications
• Gull Wing, Or DO215AC Version, Available
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 SK32A 20V 14V 20V
SK33A SK33A 30V 21V 30V
SK34A SK34A 40V 28V 40V
SK35A SK35A 50V 35V 50V
SK36A SK36A 60V 42V 60V
SK38A SK38A 80V 56V 80V
SK310A SK310A 100V 70V 100V
www.mccsemi.com
DO-214AC
(SMAJ) (High Profile)
H
J
E
F
G
A
B
D
C
Cathode Band
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 CJ45pF 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*
0.070”
0.090”
0.085”
SUGGESTED SOLDER
PAD LAYOUT
DIMENSIONS
INCHES MM
DIM MIN MAX MIN MAX NOTE
A .078 .116 1.98 2.95
B .067 .089 1.70 2.25
C .002 .008 .05 .20
D --- .02 --- .51
E .035 .055 .89 1.40
F .065 .096 1.65 2.45
G .205 .224 5.21 5.69
H .160 .180 4.06 4.57
J .100 .112 2.57 2.84
omponents
21201 Itasca Street Chatsworth
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MCC
www.mccsemi.com
MCC
SK32A thru SK310A
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 3
Junction Capacitance
.1 .2 1.4 2 10 20 404 100 200
10
20
60
100
200
1000
Junction Capacitance - pF versus
Reverse Voltage - Volts
pF
Volts
600
400
40
400 1000
TJ=25°C
SK32A-34A
SK35A-SK310A
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-SK34ASK35A-SK310A
Figure 6
New SMA Assembly
Round Lead
www.mccsemi.com
MCC
SK32A thru SK310A
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
