MCC
TM
Micro Commercial Components
SK42L
THRU
SK44L
omponents
20736 Marilla Street Chatsworth
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Features
•
•
•
•
•
•
•
High Surge Capability
Ver low forward voltage drop
Low power losses,high efficiency
Guardring for overvoltage protection
Lead Free Finish/RoHS Compliant(Note 1) ("P" Suffix designates
RoHS Compliant. See ordering information)
Epoxy meets UL 94 V-0 flammability rating
Moisture Sensitivity Level 1
Maximum Ratings
•
•
•
4 Amp Schottky
Rectifier
20 to 40 Volts
Operating Temperature: -55OC to +150OC
Storage Temperature: -55OC to +150OC
Maximum Thermal Resistance; 14OC/W Junction To Lead
50°C/W Junction To Ambient
MCC
Catalog
Number
Device
Marking
SK42L
SK43L
SK44L
SK42L
SK43L
SK44L
Maximum
Reccurrent
Peak Reverse
Voltage
20V
30V
40V
Maximum
RMS
Voltage
14V
21V
28V
DO-214AB
(SMC) (LEAD FRAME)
A
Maximum
DC
Blocking
Voltage
20V
30V
40V
B
C
F
D
Electrical Characteristics @ 25°C Unless Otherwise Specified
Average Forward
IF(AV)
Current
Peak Forward Surge
IFSM
Current
Maximum Instantaneous
Forward Voltage*
SK42L~43L
VF
SK44L
SK42L~43L
SK44L
Maximum DC
Reverse Current At
Rated DC Blocking
IR
4.0A
8.0A
150A
H
G
TL = 90°C
E
8.3ms, half sine
DIMENSIONS
.42V
.31V
.44V
.35V
IFM
IFM
IFM
IFM
= 4.0A;TA=25oC
= 4.0A;TA=125oC
= 4.0A;TA=25oC
= 4.0A;TA=125oC
.47V
.37V
.50V
.41V
IFM
IFM
IFM
IFM
= 8.0A;TA=25oC
= 8.0A;TA=125oC
= 8.0A;TA=25oC
= 8.0A;TA=125oC
0.5mA
35mA
TA = 25°C
TA = 100°C
DIM
A
B
C
D
E
F
G
H
INCHES
MIN
.260
.220
.006
.030
.305
.079
.108
.002
MM
MIN
6.60
5.59
0.15
0.76
7.75
2.00
2.75
0.050
MAX
.280
.245
.012
.060
.320
.103
.128
.008
MAX
7.11
6.22
0.31
1..52
8.13
2.62
3.25
0.203
NOTE
SUGGESTED SOLDER
PAD LAYOUT
0.185
0.121”
Voltage*
*Pulse test: Pulse width 300 µsec, Duty cycle 1%
Notes:1.High Temperature Solder Exemption Applied, see EU Directive Annex 7.
0.060”
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Revision: A
1 of 3
2011/01/01
MCC
SK42L thru SK44L
RATINGS AND CHARACTERISTICS CURVES
(TA = 25 °C unless otherwise noted)
150
10
Peak Forward Surge Current (A)
Average Forward Current (A)
on aluminium substrate
on FR4 Board
8
6
4
2
0
Tj = Tj max.
8.3 ms Single Half Sine-Wave
125
100
75
50
25
0
25
0
50
100
75
125
1
100
Number of Cycles at 60 Hz
Figure 1. Forward Current Derating Curve
Figure 2. Maximum Non-Repetitive Peak Forward Surge Current
4000
50
Tj = 25 °C
f = 1.0 MHz
Vsig = 50 mVp-p
Tj = 125 °C
Pulse Width = 300 µs
1 % Duty Cycle
Junction Capacitance (pF)
Instantaneous Forward Current (A)
10
Lead Temperature ( °C)
10
Tj = 25 °C
1
0.1
1000
SK42K & SK43L
SK44L
0.01
100
0
0.1
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
Instantaneous Forward Voltage (V)
1
100
10
Reverse Voltage (V)
Figure 3. Typical Instantaneous Forward Characteristics
Figure 5. Typical Junction Capacitance
Instantaneous Reverse Current (mA)
50
Tj = 125 °C
10
Tj = 75 °C
1
0.1
Tj = 25 °C
0.01
0.001
0
20
40
60
80
100
Percent of Rated Peak Reverse Voltage (%)
Figure 4. Typical Reverse Characteristics
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Revision: A
2 of 3
TM
Micro Commercial Components
2011/01/01
MCC
TM
Micro Commercial Components
Ordering Information :
Device
Packing
Part Number-TP
Tape&Reel: 3Kpcs/Reel
***IMPORTANT NOTICE***
Micro Commercial Components Corp. reserves the right to make changes without further notice to any product herein to
make corrections, modifications , enhancements , improvements , or other changes . Micro Commercial Components
Corp . does not assume any liability arising out of the application or use of any product described herein; neither does it
convey any license under its patent rights ,nor the rights of others . The user of products in such applications shall assume all
risks of such use and will agree to hold Micro Commercial Components Corp . and all the companies whose products are
represented on our website, harmless against all damages.
***LIFE SUPPORT***
MCC's products are not authorized for use as critical components in life support devices or systems without the express written
approval of Micro Commercial Components Corporation.
***CUSTOMER AWARENESS***
Counterfeiting of semiconductor parts is a growing problem in the industry. Micro Commercial Components (MCC) is taking
strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. MCC strongly encourages
customers to purchase MCC parts either directly from MCC or from Authorized MCC Distributors who are listed by country on
our web page cited below. Products customers buy either from MCC directly or from Authorized MCC Distributors are genuine
parts, have full traceability, meet MCC's quality standards for handling and storage. MCC will not provide any warranty
coverage or other assistance for parts bought from Unauthorized Sources. MCC is committed to combat this global
problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized
distributors.
www.mccsemi.com
Revision: A
3 of 3
2011/01/01