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SDM40E20L_1 Datasheet, PDF (1/3 Pages) Diodes Incorporated – DUAL SURFACE MOUNT SCHOTTKY BARRIER DIODE
SPICE MODEL: SDM40E20LC SDM40E20LS
Lead-free Green
SDM40E20L/S/C
DUAL SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
· Very Low Forward Voltage Drop
· Guard Ring Construction for Transient Protection
· High Conductance
A
· Lead Free By Design/RoHS Compliant (Note 4)
· "Green Device" (Note 5)
TOP VIEW
BC
Mechanical Data
· Case: SOT-23
· Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
E
D
G
H
· Moisture Sensitivity: Level 1 per J-STD-020C
K
M
· Polarity: See Diagram
· Leads: Solderable per MIL-STD-202, Method 208
J
L
· Terminals: SDM40E20LS Finish ¾ Matte Tin Finish
annealed over Alloy 42 leadframe.
SDM40E20LC Finish ¾ Matte Tin Finish
annealed over CDA194 leadframe. Solderable
per MIL-STD-202, Method 208
· Marking: Date Code and Type Code
· Type Code: KSW, KWS
· Ordering Information: See Page 3
· Weight: 0.008 grams (approximate)
SDM40E20LS
(KSW Marking Code)
SDM40E20LC
(KWS Marking Code)
Maximum Ratings @ TA = 25°C unless otherwise specified
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 1)
Non-Repetitive Peak Forward Surge Current
8.3ms single half sine-wave superimposed on rated load
Power Dissipation
(Note 1)
(Note 2)
Typical Thermal Resistance Junction to Ambient
Operating and Storage Temperature Range
(Note 1)
(Note 2)
Symbol
VRRM
VRWM
VR
VR(RMS)
IFM
IFSM
Pd
RqJA
Tj, TSTG
Value
20
14
0.4
2
225
300
444
333
-65 to +125
SOT-23
Dim Min Max
A
0.37 0.51
B
1.20 1.40
C
2.30 2.50
D
0.89 1.03
E
0.45 0.60
G
1.78 2.05
H
2.80 3.00
J 0.013 0.10
K 0.903 1.10
L
0.45 0.61
M 0.085 0.180
a
0°
8°
All Dimensions in mm
Unit
V
V
A
A
mW
°C/W
°C
Electrical Characteristics @ TA = 25°C unless otherwise specified
Characteristic
Reverse Breakdown Voltage (Note 3)
Forward Voltage Drop
Leakage Current (Note 3)
Total Capacitance
Symbol
Min
Typ Max
Unit
V(BR)R
20
¾
¾
V
VF
¾
¾
¾ 0.310
¾ 0.430
V
IR
¾
¾
¾
100
¾
250
mA
CT
¾
120
¾
pF
Notes:
1. Device mounted on FR-5 1.0 x 0.75 x 0.062 inch PCB pad layout.
2. Device mounted on Alumina PCB, 0.4 inch x 0.3 inch x 0.024 inch pad layout.
3. Short duration test pulse used to minimize self-heating effect.
4. No purposefully added lead.
5. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
Test Conditions
IR = 0.5mA
IF = 0.1A
IF = 0.5A
VR = 10V
VR = 20V
f = 1MHz, VR = 0VDC
DS30298 Rev. 8 - 2
1 of 3
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SDM40E20L/S/C
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