Diodes SDM20N40A User Manual
Features
Low Forward Voltage Drop
·
Common Anode Configuration
·
Lead Free By Design/RoHS Compliant (Note 3)
·
"Green" Device (Note 4)
·
Mechanical Data
Case: SOT-23
·
Case Material: Molded Plastic. "Green" Molding
·
NEW PRODUCT
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.)
·
Lead-free Green
SDM20N40A
DUAL SURFACE MOUNT SCHOTTKY BARRIER DIODE
SOT-23
Dim Min Max
0.37 0.51
A
1.20 1.40
B
2.30 2.50
C
0.89 1.03
D
0.45 0.60
E
1.78 2.05
G
2.80 3.00
H
0.013 0.10
J
0.903 1.10
K
0.45 0.61
L
0.085 0.180
M
a
0° 8°
All Dimensions in mm
E
TOP VIEW
D
G
H
D
TOP VIEW
A
B
C
K
J
L
M
Maximum Ratings
@ TA= 25°C unless otherwise specified
Characteristic Symbol Value Unit
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
Thermal Characteristics
@ TA= 25°C unless otherwise specified
V
V
V
R(RMS)
I
I
FSM
T
RRM
RWM
V
R
FM
T
j
STG
Characteristic Symbol Value Unit
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient Air (Note 1)
Electrical Characteristics
@ TA= 25°C unless otherwise specified
P
d
R
qJA
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage (Note 2)
Forward Voltage (Note 2)
Leakage Current (Note 2)
Total Capacitance
Notes: 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.
V
(BR)R
V
F
I
R
C
T
40 ¾¾ V
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾ 23 50 pF
40
28 V
200 mA
1
-65 to +125 °C
-65 to +150 °C
200 mW
500 °C/W
= 500mA
I
R
= 10mA
300
420
550
15
3
mV
mA
mA
I
F
I
= 100mA
F
I
= 200mA
F
= 30V
V
R
V
= 30V, Tj= 100°C
R
= 0V, f = 1.0MHz
V
R
V
A
DS30542 Rev. 7 - 2 1 of 3 SDM20N40A
www.diodes.com
ã Diodes Incorporated
1000
O
O
O
t
g
2
O
O
100
RWARD CURRENT (mA)
10
US F
NEW PRODUCT
1.0
T=75CA°
T=125CA°
T=25CA°
°
T=-65C
A
10,000
1000
US REVERSE CURRENT (uA)
100
10
0.1
0.01
T = 125ºC
A
T = 75ºC
A
T = 25ºC
1
A
T = -65ºC
A
F
I , INSTANTANE
0.1
0
V , INSTANTANEOUS FORWARD VOLTAGE (mV)
F
200 300 400 500 600 700
100
Fig. 1 Typical Forward Characteristics
R
I , INSTANTANE
0.001
010
V , INSTANTANEOUS REVERSE VOLTAGE (V)
R
20
30
Fig. 2 Typical Reverse Characteristics, per elemen
40
50
5
T
C , TOTAL CAPACITANCE (pF)
20
15
10
5
200
N (mW)
150
100
WER DISSIPATI
d
P,P
50
0
5
015
10
V , REVERSE VOLTAGE (V)
R
.3 Typical Total Capacitance
Fi
20
25
30
35
40
0
2505075100 125 150
T , AMBIENT TEMPERATURE ( C)
A
Fig. 4 Power Derating Curve
°
DS30542 Rev. 7 - 2 2 of 3 SDM20N40A
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