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SDM20U40 Datasheet, PDF (1/2 Pages) Diodes Incorporated – SURFACE MOUNT SCHOTTKY BARRIER DIODE
SDM20U40
SURFACE MOUNT SCHOTTKY BARRIER DIODE
SPICE MODEL: SDM20U40
Features
· Low Forward Voltage Drop
· Guard Ring Construction for
Transient Protection
· Negligible Reverse Recovery Time
· Low Reverse Capacitance
· Ultra-Small Surface Mount Package
Mechanical Data
· Case: SOD-523, Molded Plastic
· Case material - UL Flammability Rating
Classification 94V-0
MARKING CODE
· Moisture sensitivity: Level 1 per J-STD-020A
· Terminals: Finish - Matte Tin (Note 1)
Solderable per MIL-STD-202, Method 208
· Polarity: Cathode Band
· Marking Code: S4
· Weight: 0.002 grams (approx.)
CATHODE MARK
SOD-523
Dim Min Max
A
1.50 1.70
B
1.10 1.30
C
0.25 0.35
D
0.70 0.90
E
0.10 0.20
G
0.50 0.70
C
D
E
G
All Dimensions in mm
Maximum Ratings @ TA = 25°C unless otherwise specified
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 2)
Non-Repetitive Peak Forward Surge Current @ t £ 1.0s
Power Dissipation (Note 2)
Thermal Resistance, Junction to Ambient Air (Note 2)
Operating and Storage Temperature Range
Symbol
VRRM
VRWM
VR
VR(RMS)
IFM
IFSM
Pd
RqJA
Tj, TSTG
Value
40
28
250
1.0
150
667
-65 to +125
Unit
V
V
mA
A
mW
°C/W
°C
Electrical Characteristics @ TA = 25°C unless otherwise specified
Characteristic
Reverse Breakdown Voltage (Note 3)
Forward Voltage Drop
Peak Reverse Current (Note 3)
Total Capacitance
Reverse Recovery Time
Symbol Min
Typ
Max
Unit
Test Conditions
V(BR)R
40
¾
¾
V
IR = 10mA
VF
¾
¾
0.37
0.60
V
IF = 20mA
IF = 200mA
IR
¾
¾
5
1
mA VR = 30V
mA VR = 10V
CT
¾
50
¾
pF VR = 0V, f = 1.0MHz
trr
¾
10
¾
ns
IF = IR = 200mA,
Irr = 0.1 x IR, RL = 100W
Ordering Information (Note 4)
Device
SDM20U40-7
Packaging
SOD-523
Shipping
3000/Tape & Reel
Note:
1. If lead-bearing terminal plating is required, please contact your Diodes Inc. sales representative for availability and minimum
order details.
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.
3. Short duration pulse test used so as to minimize self-heating effect.
4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
DS30393 Rev. 1 - 2
1 of 2
SDM20U40
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