Diodes SDM20U30 User Manual
Sdm20u30, Features, Mechanical data

SDM20U30
Document number: DS30397 Rev. 10 - 2
1 of 3
www.diodes.com
January 2009
© Diodes Incorporated
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, (Notes 4 and 5)
•
Qualified to AEC-Q101 Standards for High Reliability
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-020D
•
Terminal Connections: Cathode Band
•
Terminals: Finish - Matte Tin annealed over Alloy 42 leadframe.
Solderable per MIL-STD-202, Method 208
•
Marking Information: See Page 2
•
Ordering Information: See Page 2
•
Weight: 0.002 grams (approximate)
Maximum Ratings
@T
A
= 25°C unless otherwise specified
Characteristic
Symbol
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
30
V
RMS Reverse Voltage
V
R(RMS)
21
V
Mean Rectifying Current (Note 2)
I
O
200
mA
Peak Forward Surge Current @ 8.3ms Half Sine
I
FSM
1.0
A
Thermal Characteristics
Characteristic
Symbol
Value
Unit
Power Dissipation (Note 2)
P
D
150
mW
Thermal Resistance, Junction to Ambient Air (Note 2)
R
θJA
667
°C/W
Operating and Storage Temperature Range
T
J
, T
STG
-65 to +125
°C
Electrical Characteristics
@T
A
= 25°C unless otherwise specified
Characteristic
Symbol
Min
Typ
Max
Unit
Test Conditions
Reverse Breakdown Voltage (Note 3)
V
(BR)R
30
⎯
⎯
V
I
R
= 150
μA
Forward Voltage Drop
V
F
⎯
⎯
0.35
0.50
V
I
F
= 20mA
I
F
= 200mA
Peak Reverse Current (Note 3)
I
R
⎯
⎯
150
30
μA
μA
V
R
= 30V
V
R
= 10V
Total Capacitance
C
T
⎯
20
⎯
pF
V
R
= 0V, f = 1.0MHz
Notes:
1. No purposefully added lead.
2. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at
3. Short duration pulse test used to minimize self-heating effect.
4. Diodes Inc.'s "Green" policy can be found on our websit
Code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
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