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SPICE MODEL: SDM20N40A
Lead-free Green
SDM20N40A
DUAL SURFACE MOUNT SCHOTTKY BARRIER DIODE
NEW PRODUCT
Features
* * * *
Low Forward Voltage Drop Common Anode Configuration Lead Free By Design/RoHS Compliant (Note 3) "Green" Device (Note 4)
TOP VIEW
A
SOT-23 Dim A
B C
Min 0.37 1.20 2.30 0.89 0.45 1.78 2.80 0.013 0.903 0.45 0.085 0
Max 0.51 1.40 2.50 1.03 0.60 2.05 3.00 0.10 1.10 0.61 0.180 8
B C D E G H J K L M a
Mechanical Data
* * * * * * * *
Case: SOT-23 Case Material: Molded Plastic. "Green" Molding Compound. UL Flammability Classification Rating 94V-0 Moisture sensitivity: Level 1 per J-STD-020C Terminal Connections: See Diagram Terminals: Finish - Matte Tin annealed over Alloy 42 leadframe. Solderable per MIL-STD-202, Method 208 Marking & Type Code Information: See Last Page Ordering Information: See Last Page Weight: 0.008 grams (approx.)
E
D G H K J D L M
TOP VIEW
All Dimensions in mm
Maximum Ratings @ TA = 25C unless otherwise specified
Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Forward Continuous Current, Per Element Non-Repetitive Peak Forward Surge Current @ t = 8.3ms Junction Temperature Range Storage Temperature Range Symbol VRRM VRWM VR VR(RMS) IFM IFSM Tj TSTG @ TA = 25C unless otherwise specified Symbol Pd RqJA Value 200 500 Unit mW C/W Value 40 28 200 1 -65 to +125 -65 to +150 Unit V V mA A C C
Thermal Characteristics
Power Dissipation (Note 1)
Characteristic Thermal Resistance, Junction to Ambient Air (Note 1)
Electrical Characteristics
Characteristic Reverse Breakdown Voltage (Note 2) Forward Voltage (Note 2) Leakage Current (Note 2) Total Capacitance
Notes:
@ TA = 25C unless otherwise specified Symbol V(BR)R VF IR CT Min 40 3/4 3/4 3/4 3/4 3/4 3/4 Typ 3/4 3/4 3/4 3/4 3/4 3/4 23 Max 3/4 300 420 550 15 3 50 Unit V mV mA mA pF Test Condition IR = 500mA IF = 10mA IF = 100mA IF = 200mA VR = 30V VR = 30V, Tj = 100C VR = 0V, f = 1.0MHz
1. Mounted on FR4 PC Board with recommended pad layout which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 2. Short duration test pulse used to minimize self-heating effect. 3. No purposefully added lead. 4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
DS30542 Rev. 7 - 2
1 of 3 www.diodes.com
SDM20N40A
a Diodes Incorporated
IF, INSTANTANEOUS FORWARD CURRENT (mA)
IR, INSTANTANEOUS REVERSE CURRENT (uA)
1000
10,000
TA = 125C
NEW PRODUCT
1000 100
TA = 75C
100
TA = 125 C
TA = 75 C
10 1 0.1
TA = -65C TA = 25C
10
TA = 25 C
1.0
TA = -65 C
0.01 0.001 0 10
0.1 0 100 200 300 400 500 600 700 VF, INSTANTANEOUS FORWARD VOLTAGE (mV) Fig. 1 Typical Forward Characteristics
20
30
40
50
VR, INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 2 Typical Reverse Characteristics, per element
25
CT, TOTAL CAPACITANCE (pF)
20
Pd, POWER DISSIPATION (mW)
200
15
150
10
100
5
50
0 0 5 10 15 20 25 30 35 40
0 0 25 50 75 100 125 150 TA, AMBIENT TEMPERATURE ( C) Fig. 4 Power Derating Curve
VR, REVERSE VOLTAGE (V) Fig. 3 Typical Total Capacitance
DS30542 Rev. 7 - 2
2 of 3 www.diodes.com
SDM20N40A
Ordering Information
(Note 5) Packaging SOT-23 Shipping 3000/Tape & Reel
NEW PRODUCT
Device SDM20N40A-7
Notes: 5.
For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
KLP
KLP = Product Type Marking Code YM = Date Code Marking Y = Year ex: P = 2003 M = Month ex: 9 = September
Date Code Key Year Code Month Code Jan 1 Feb 2 Mar 3 2003 P Apr 4 May 5 2004 R Jun 6 2005 S Jul 7 Aug 8 2006 T Sep 9 2007 U Oct O 2008 V Nov N 2009 W Dec D
IMPORTANT NOTICE Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to any product herein. Diodes Incorporated 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 Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. LIFE SUPPORT Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated.
DS30542 Rev. 7 - 2
3 of 3 www.diodes.com
YM
SDM20N40A

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