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
I
F(AV)
3.0A
T
J
= 120
C
Peak Forward Surge
Current
I
FSM
100A
8.3ms, half sine
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
I
R
.5mA
20mA
T
J
= 25
C
T
J
= 100
C
Typical Junction
Capacitance
C
J
45pF
Measured at
1.0MHz, V
R
=4.0V
*Pulse test: Pulse width 200
sec, 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
V
F
.50V
.75V
.85V
I
FM
= 3.0A;
T
J
= 25
C*
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mccsemi
.com
DO-214A
A
(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
!"#
$
% !"#
M C C
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
40
4
100 200
10
20
60
100
200
1000
Junction Capacitance - pF
versus
Reverse Voltage - Volts
pF
Volts
600
400
40
400
1000
T
J
=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
M C C
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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
Amps
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
M C C
www.
mccsemi
.com
SK32B-34B
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