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SPICE MODEL: SDM20U30
Lead-free Green
SDM20U30
SURFACE MOUNT SCHOTTKY BARRIER DIODE Features
* * * * * * * *
Low Forward Voltage Drop Guard Ring Construction for Transient Protection Negligible Reverse Recovery Time Low Capacitance Ultra-Small Surface Mount Package Lead Free By Design/RoHS Compliant (Note 1) "Green" Device, Note 4 and 5 Qualified to AEC-Q101 Standards for High Reliability
CATHODE MARK
SOD-523 Dim A B C D E Min 1.50 1.10 0.25 0.70 0.10 0.55 Max 1.70 1.30 0.35 0.90 0.20 0.65
LM
Mechanical Data
* * * * * * * *
Case: SOD-523 Case Material: Molded Plastic, "Green" Molding Compound, Note 5. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020C Terminal Connections: Cathode Band Terminals: Finish - Matte Tin annealed over Alloy 42 leadframe. Solderable per MIL-STD-202, Method 208 Marking Code: LM Ordering Information: See Last Page Weight: 0.002 grams (approximate) @ TA = 25C unless otherwise specified Symbol VRRM VRWM VR VR(RMS) IO @ 8.3ms Half Sine IFSM
MARKING CODE
A
B
C D
E G
G
All Dimensions in mm
Maximum Ratings
Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Mean Rectifying Current (Note 2) Peak Forward Surge Current
Value 30 21 200 1.0
Unit V V mA A
Thermal Characteristics
Characteristic Power Dissipation (Note 2) Thermal Resistance, Junction to Ambient Air (Note 2) Operating and Storage Temperature Range Symbol Pd RqJA Tj, TSTG Value 150 667 -65 to +125 Unit mW C/W C
Electrical Characteristics
Characteristic Reverse Breakdown Voltage (Note 3) Forward Voltage Drop Peak Reverse Current (Note 3) Total Capacitance
Note:
@ TA = 25C unless otherwise specified Symbol V(BR)R VF IR CT Min 30 3/4 3/4 3/4 Typ 3/4 3/4 3/4 20 Max 3/4 0.35 0.50 150 30 3/4 Unit V V mA mA pF Test Conditions IR = 150mA IF = 20mA IF = 200mA VR = 30V VR = 10V VR = 0V, f = 1.0MHz
1. No purposefully added lead. 2. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. TA = 25C. 3. Short duration pulse test used to minimize self-heating effect. 4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php. 5. Product manufactured with Date Code 0609 (week 9, 2006) and newer are built with Green Molding Compound. Product manufactured prior to Date Code 0609 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
DS30397 Rev. 7 - 2
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SDM20U30
a Diodes Incorporated
IF, INSTANTANEOUS FORWARD CURRENT (mA)
200
1000
TA = 125C
PD, POWER DISSIPATION (mW)
100
150
10
TA = 75C
100
1
TA = 25C
.1
TA = -25C
50
.01
0 0 25 50 75 100 125 TA, AMBIENT TEMPERATURE ( C) Fig. 1 Derating Curve
.001 0 200 400 600 800 VF, INSTANTANEOUS FORWARD VOLTAGE (mV) Fig. 2 Typical Forward Characteristics
30
IR, INSTANTANEOUS REVERSE CURRENT (A)
10m
TA = 125C
f = 1MHz
25
TA = 75C
CT, TOTAL CAPACITANCE (pF)
1m
20
15
TA = 25C
10
5
TA = -25C
100n 0 5 10 15 20 25 30
0 0 2 4 6 8 10 12
VR, INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 3 Typical Reverse Characteristics
VR, REVERSE VOLTAGE (V) Fig. 4 Typical Total Capacitance vs. Reverse Voltage
Ordering Information
Device SDM20U30-7 SDM20U30-76K
Note:
(Note 4 & 6) Packaging SOD-523 SOD-523 Shipping 3000/Tape & Reel 6000/Tape & Reel
4. Product manufactured with Date Code 0609 (week 9, 2006) and newer are built with Green Molding Compound. Product manufactured prior to Date Code 0609 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants. 6. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
DS30397 Rev. 7 - 2
2 of 3 www.diodes.com
SDM20U30
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.
DS30397 Rev. 7 - 2
3 of 3 www.diodes.com
SDM20U30

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