SDM20U40
SURFACE MOUNT SCHOTTKY BARRIER DIODE
SPICE MODEL: SDM20U40
NEW PRODUCT
Features
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Low Forward Voltage Drop
Guard Ring Construction for
Transient Protection
Negligible Reverse Recovery Time
Low Reverse Capacitance
Ultra-Small Surface Mount Package
CATHODE MARK
SOD-523
Dim
A
B
C
D
E
G
Min
1.50
1.10
0.25
0.70
0.10
0.50
Max
1.70
1.30
0.35
0.90
0.20
0.70
Mechanical Data
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Case: SOD-523, Molded Plastic
Case material - UL Flammability Rating
MARKING CODE
Classification 94V-0
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.)
@ T
A
= 25擄C unless otherwise specified
Symbol
V
RRM
V
RWM
V
R
V
R(RMS)
I
FM
@ t
攏
1.0s
I
FSM
P
d
R
qJA
T
j
, T
STG
A
B
S4
C
D
E
G
All Dimensions in mm
Maximum Ratings
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
Power Dissipation (Note 2)
Thermal Resistance, Junction to Ambient Air (Note 2)
Operating and Storage Temperature Range
Value
40
28
250
1.0
150
667
-65 to +125
Unit
V
V
mA
A
mW
擄C/W
擄C
Electrical Characteristics
Characteristic
Reverse Breakdown Voltage (Note 3)
Forward Voltage Drop
Peak Reverse Current (Note 3)
Total Capacitance
Reverse Recovery Time
@ T
A
= 25擄C unless otherwise specified
Symbol
V
(BR)R
V
F
I
R
C
T
t
rr
Min
40
戮
戮
戮
戮
Typ
戮
戮
戮
50
10
Max
戮
0.37
0.60
5
1
戮
戮
Unit
V
V
mA
mA
pF
ns
Test Conditions
I
R
= 10mA
I
F
= 20mA
I
F
= 200mA
V
R
= 30V
V
R
= 10V
V
R
= 0V, f = 1.0MHz
I
F
= I
R
= 200mA,
I
rr
= 0.1 x I
R
, R
L
= 100W
Ordering Information
Device
SDM20U40-7
Note:
(Note 4)
Packaging
SOD-523
Shipping
3000/Tape & Reel
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
www.diodes.com
SDM20U40
茫
Diodes Incorporated
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