SDM40E20LS-7-F Datasheet SDM40E20LA-7, SDM40E20LC-7, SDM40E20LS-7-F | P1-P3

SDM40E20L /S /C /A

Document number: DS30298 Rev. 11 - 2

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SDM40E20L /S /C /

A

DUAL SURFACE MOUNT SCHOTTKY BARRIER DIODE

Features

• Very Low Forward Voltage Drop

• Guard Ring Construction for Transient Protection

• High Conductance

• Lead, Halogen and Antimony Free, RoHS Compliant

"Green" Device (Notes 4, 5 and 6)

Mechanical Data

• Case: SOT-23

• Case Material: Molded Plastic. UL Flammability Classification

Rating 94V-0

• Moisture Sensitivity: Level 1 per J-STD-020D

• Polarity: See Diagram

• Leads: Solderable per MIL-STD-202, Method 208

• Terminals: SDM40E20L/S/A Finish ⎯ Matte Tin Finish

annealed over Alloy 42 leadframe.

SDM40E20LC Finish ⎯ Matte Tin Finish

annealed over CDA194 leadframe.

• Marking Information: See Page 2

• Ordering Information: See Page 2

• Weight: 0.008 grams (approximate)

Top View

SDM40E20LA

SDM40E20LS

SDM40E20LC

Maximum Ratings @T

A

= 25°C unless otherwise specified

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

For capacitance load, derate current by 20%.

Characteristic Symbol Value Unit

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

V

RRM

V

RWM

V

R

20 V

RMS Reverse Voltage

V

R(RMS)

14 V

Forward Continuous Current (Note 1)

I

FM

0.4 A

Non-Repetitive Peak Forward Surge Current

8.3ms single half sine-wave superimposed on rated load

I

FSM

2 A

Thermal Characteristics

Characteristic Symbol Value Unit

225 Power Dissipation (Note 1)

(Note 2)

P

D

300

mW

444 Typical Thermal Resistance Junction to Ambient (Note 1)

(Note 2)

R

θ

JA

333

°C/W

Operating and Storage Temperature Range

T

J,

T

STG

-65 to +125

°C

Electrical Characteristics @T

A

= 25°C unless otherwise specified

Characteristic Symbol Min Typ Max Unit Test Conditions

Reverse Breakdown Voltage (Note 3)

V

(BR)R

20

⎯

V

I

R

= 0.5mA

Forward Voltage Drop

V

F

⎯

0.310

0.430

V

I

F

= 0.1A

I

F

= 0.5A

Leakage Current (Note 3)

I

R

⎯

100

250

μA

V

R

= 10V

V

R

= 20V

Total Capacitance

C

T

⎯

120

⎯

pF

f = 1MHz, V

R

= 0VDC

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 pulse test used to minimize self-heating effect.

4. No purposefully added lead. Halogen and Antimony Free.

5. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.

6. Product manufactured with Green Molding Compound and does not contain Halogens or Sb

2

O

3

Fire Retardants.

Please click here to visit our online spice models database.

SDM40E20L /S /C /

A

0.1

1

10

0.01

0.001

0

1.0

0.6 0.80.40.2

I, I

N

S

T

A

N

T

A

N

E

O

U

S

F

O

R

WA

R

D

C

U

R

E

N

T

(A)

F

V , INSTANTANEOUS FORWARD VOLTAGE (V)

Fig. 1 Typical Forward Characteristics, Per Element

F

0.001

0.1

0.01

100

1000

10,000

0

V , INSTANTANEOUS REVERSE VOLTAGE (V)

Fig. 2 Typical Reverse Characteristics, Per Element

R

10

20

10

1

I , INSTANTANEOUS REVERSE CURRENT (µA)

R

SDM40E20L /S /C /A

Document number: DS30298 Rev. 11 - 2

2 of 3

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June 2008

0

60

40

20

0

10

155

20

C

,

T

O

T

AL

C

A

P

A

C

I

T

AN

C

E (p

F

)

T

V , DC REVERSE VOLTAGE (V)

Fig. 3 Total Capacitance vs. Reverse Voltage, Per Element

R

f = 1.0MHz

0

0.10

0.20

050100

I, AVE

150

R

A

G

E

F

O

R

WA

R

D

C

U

R

EN

T

(A)

F(AV)

T , AMBIENT TEMPERATURE ( C)

Fig. 4 Forward Current Derating Curve, Per Element

A

°

0.30

0.40

25 75 125

Ordering Information (Note 7)

Part Number Case Packaging

SDM40E20LS-7-F SOT-23 3000/Tape & Reel

SDM40E20LC-7 SOT-23 3000/Tape & Reel

SDM40E20LA-7 SOT-23 3000/Tape & Reel

Notes: 7. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.

Marking Information

KSW

YM

KSW = SDM40E20LS Product

Type Marking Code

YM = Date Code Marking

Y = Year ex: T = 2006

M = Month ex: 9 = September

KWS = SDM40E20LC Product

Type Marking Code

YM = Date Code Marking

Y =Year ex: T = 2006

M = Month ex: 9 = September

KWA = SDM40E20LA Product

Type Marking Code

YM = Date Code Marking

KWA

YM

KWS

YM

Y =Year ex: T = 2006

M = Month ex: 9 = September

Date Code Key

Year 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015

Code S T U V W X Y Z A B C

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Code 1 2 3 4 5 6 7 8 9 O N D

Package Outline Dimensions

SDM40E20L /S /C /

A

SDM40E20L /S /C /A

Document number: DS30298 Rev. 11 - 2

3 of 3

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June 2008

Suggested Pad Layout

IMPORTANT NOTICE

Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes

without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product

described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall

assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website,

harmless against all damages.

LIFE SUPPORT

Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written

approval of the President of Diodes Incorporated.

A

M

J

L

D

F

B

C

H

K

G

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

F 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

α

0° 8°

All Dimensions in mm

X E

Y

C

Z

Dimensions Value (in mm)

Z 2.9

X 0.8

Y 0.9

C 2.0

E 1.35

SDM40E20LS-7-F

SDM40E20LS-7-F

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