SK32B-LT
THRU
SK310B-LT
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 CJ
250pF 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-LT SK32B 20V 14V 20V
SK33B-LT SK33B 30V 21V 30V
SK34B-LT SK34 B 40V 28V 40V
SK35B-LT SK35B 50V 35V 50V
SK36B-LT SK36B 60V 42V 60V
SK38B-LT SK38B 80V 56V 80V
SK310B-LT SK310B 100V 70V 100V
Maximum
Instantaneous
Forward Voltage
SK32B~SK34B
SK35B~SK36B
SK38B~SK310B
VF
.50V
.75V
.85V
IFM = 3.0A;
TJ = 25 °C*
MCC
www.mccsemi.com
DO-214AA
(SMBJ) (LEAD FRAME)
A
B
D
C
E
F
G
H
DIMENSIONS
INCHES MM
DIM MIN MAX MIN MAX NOTE
A .160 .185 4.06 4.70
B .130 .155 3.30 3.94
C .006 .012 0.15 0.31
D ..030 . 06 0 0. 76 1..52
E .200 .220 5.08 5.59
F .079 .103 2.01 2.62
G .075 .087 1.91 2.21
H .002 .008 0.05 0.203
0.050”
0.106"
0.083”
SUGGESTED SOLDER
PAD LAYOUT
omponents
21201 Itasca Street Chatsworth
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MCC
SK32B-LT thru SK310B-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
SK32B~SK34BSK38B~SK310B
SK35B~SK36B
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
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MCC
SK32B-LT thru SK310B-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
SK35B~310B
SK32B~34B
75°C
100°C
