SK32B
THRU
SK310B
3 Amp Schottky
Rectifier
20 to 100 Volts
Features
• For Surface Mount Applications
• Extremely Low Thermal Resistance
• Easy Pick And Place
• High Temp Soldering: 250°C for 10 Seconds At Terminals
• High Current Capability With Low Forward Voltage
Maximum Ratings
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%
• Operating Temperature: -55°C to +125°C
• Storage Temperature: -55°C to +150°C
• Maximum Thermal Resistance; 10°C/W Junction To Lead
MCC
Catalog
Number
Device
Marking Maximum
Recurrent
Peak Reverse
Voltage
Maximum
RMS
Voltage
Maximum
DC
Blocking
Voltage
SK32B SK32B 20V 14V 20V
SK33B SK33B 30V 21V 30V
SK34B SK34 B 40V 28V 40V
SK35B SK35B 50V 35V 50V
SK36B SK36B 60V 42V 60V
SK38B SK38B 80V 56V 80V
SK310B SK310B 100V 70V 100V
Maximum
Instantaneous
Forward Voltage
SK32B-34B
SK35B-36B
SK38B-310B
VF
.50V
.75V
.85V
IFM = 3.0A;
TJ = 25 °C*
www.mccsemi.com
DO-214AA
(SMBJ) (Round Lead)
H
J
E
F
G
A
B
D
C
Cathode Band
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 .075 .089 1.90 2.25
C .002 .008 .05 .20
D ---- - .02 ----- .51
E .035 .055 .90 1.40
F .065 .091 1.65 2.32
G .205 .224 5.21 5.69
H .160 .180 4.06 4.57
J .130 .155 3.30 3.94
omponents
21201 Itasca Street Chatsworth
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MCC
SK32B thru SK310B
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
SK35B-SK310B
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
SK32B-SK34B SK35B-SK38B
MCC
www.mccsemi.com
SK32B-34B
SK32B thru SK310B
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
SK35B-310B
MCC
www.mccsemi.com
SK32B-34B
