DS30298 Rev. 2 - 2

1 of 3

SDM40E20LS

SDM40E20LS

DUAL SURFACE MOUNT SCHOTTKY BARRIER DIODE

Features

Single phase, half wave, 60Hz, resistive or inductive load.

For capacitive load, derate current by 20%.

Characteristic

Symbol

SDM40E20LS

Unit

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

20

V

RMS Reverse Voltage

14

V

Forward Continuous Current (Note 1)

0.4

A

Non-Repetitive Peak Forward Surge Current

8.3ms single half sine-wave superimposed on rated load

(JEDEC Method)

2A

Power Dissipation (Note 1)

225

mW

Typical Thermal Resistance Junction to Ambient (Note 1)

444

°C/W

Power Dissipation (Note 2)

300

mW

Typical Thermal Resistance Junction to Ambient (Note 2)

333

°C/W

Operating and Storage Temperature Range

-55 to +125

°C

A

E

J

L

TOP VIEW

M

B

C

H

G

D

K

·

Very Low Forward Voltage Drop

·

Guard Ring Construction for

Transient Protection

·

High Conductance

·

Case: SOT-23, Plastic

·

Case material - UL Flammability Rating

Classification 94V-0

·

Moisture sensitivity: Level 1 per J-STD-020A

·

Polarity: See Diagram

·

Leads: Solderable per MIL-STD-202,

Method 208

·

Marking: Date Code and Type Code

·

Type Code: KSW

Weight: 0.004 grams (approx.)

·

Ordering Information: See Page 3

Mechanical Data

Characteristic

Symbol

Min

Typ

Max

Unit

Test Conditions

Reverse Breakdown Voltage (Note 3)

20

¾¾

V

Forward Voltage Drop (Note 3)

¾

¾

¾

¾

0.310

0.430

V

Leakage Current (Note 3)

¾

¾

¾

¾

100

250

mA

Total Capacitance

¾

170

¾

pF

Notes:

1. Device mounted on FR-5 1.0 x 0.75 x 0.062 inch PCB pad layout as shown on Diodes Inc. suggested pad layout AP02001,

which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.

2. Device mounted on Alumina PCB, 0.4 inch x 0.3 inch x 0.024 inch; pad layout as shown on Diodes Inc. suggested pad layout

document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.

3. Short duration test pulse used to minimize self-heating effect.

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

0.85

0.80

a

0

°

8

°

All Dimensions in mm