MCC
TM
Micro Commercial Components
omponents 20736 Marilla Street Chatsworth !"# $
% !"#
SK42L THRU SK44L
4 Amp Schottky Rectifier 20 to 40 Volts
DO-214AB (SMC) (LEAD FRAME)
A
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
Operating Temperature: -55OC to +150OC Storage Temperature: -55OC to +150OC Maximum Thermal Resistance; 14OC/W Junction To Lead 50°C/W Junction To Ambient
Maximum Ratings
MCC Catalog Number SK42L SK43L SK44L
Device Marking
SK42L SK43L SK44L
Maximum Reccurrent Peak Reverse Voltage 20V 30V 40V
Maximum RMS Voltage 14V 21V 28V
Maximum DC Blocking Voltage 20V 30V 40V
B
C
F
H
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
D G E
4.0A 8.0A 150A
TL = 90°C 8.3ms, half sine
DIMENSIONS 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 DIM A B C D E F G H 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
.42V .31V .44V .35V .47V .37V .50V .41V
IFM IFM IFM IFM IFM IFM IFM IFM
= 4.0A;TA=25oC = 4.0A;TA=125oC = 4.0A;TA=25oC = 4.0A;TA=125oC = 8.0A;TA=25oC = 8.0A;TA=125oC = 8.0A;TA=25oC = 8.0A;TA=125oC
SK42L~43L SK44L
Maximum DC Reverse Current At Rated DC Blocking
SUGGESTED SOLDER PAD LAYOUT
0.185
IR
0.5mA 35mA
Voltage*
TA = 25°C TA = 100°C
0.121”
*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
SK42L thru SK44L
RATINGS AND CHARACTERISTICS CURVES (TA = 25 °C unless otherwise noted)
10 150 on aluminium substrate on FR4 Board
MCC
Peak Forward Surge Current (A)
Tj = Tj max. 8.3 ms Single Half Sine-Wave 125
TM
Micro Commercial Components
Average Forward Current (A)
8
100
6
75 50
4
2
25
0 0 25 50 75 100 125
0 1 10 100
Lead Temperature ( °C)
Number of Cycles at 60 Hz
Figure 1. Forward Current Derating Curve
Figure 2. Maximum Non-Repetitive Peak Forward Surge Current
50
4000 Tj = 125 °C Pulse Width = 300 µs 1 % Duty Cycle Tj = 25 °C Tj = 25 °C f = 1.0 MHz Vsig = 50 mVp-p
Instantaneous Forward Current (A)
Junction Capacitance (pF)
10
1000
1
0.1
SK42K & SK43L SK44L 0.01 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 100 0.1 1 10 100
Instantaneous Forward Voltage (V)
Reverse Voltage (V)
Figure 3. Typical Instantaneous Forward Characteristics
Figure 5. Typical Junction Capacitance
50
Instantaneous Reverse Current (mA)
Tj = 125 °C 10
1
Tj = 75 °C
0.1
0.01
Tj = 25 °C
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
2011/01/01
MCC
Micro Commercial Components
TM
Ordering Information :
Device
Part Number-TP
Packing
Tape&Reel: 3Kpcs/Reel
***IMPORTANT NOTICE* **
Micro Comme rcial 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 Comme rcial 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 Co mponents 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 A uthorized 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 pro vide any warranty coverage or o ther assistance for parts bought from Unau thorized Source s. 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.
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Revision: A
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2011/01/01
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