Diodes SDM20N40A User Manual

Sdm20n40a, New p roduct, Dual surface mount schottky barrier diode

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Lead-free Green

DS30542 Rev. 7 - 2

1 of 3

SDM20N40A

www.diodes.com

ã

Diodes Incorporated

SDM20N40A

DUAL SURFACE MOUNT SCHOTTKY BARRIER DIODE

·

Case: SOT-23

·

Case Material: Molded Plastic. "Green" Molding
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.)

Mechanical Data

A

E

J

L

TOP VIEW

M

B

C

H

G

D

D

K

Features

Maximum Ratings

@ T

A

= 25

°C unless otherwise specified

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.

Electrical Characteristics

@ T

A

= 25

°C unless otherwise specified

·

Low Forward Voltage Drop

·

Common Anode Configuration

·

Lead Free By Design/RoHS Compliant (Note 3)

·

"Green" Device (Note 4)

Characteristic

Symbol

Value

Unit

Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage

V

RRM

V

RWM

V

R

40

V

RMS Reverse Voltage

V

R(RMS)

28

V

Forward Continuous Current, Per Element

I

FM

200

mA

Non-Repetitive Peak Forward Surge Current @ t = 8.3ms

I

FSM

1

A

Junction Temperature Range

T

j

-65 to +125

°C

Storage Temperature Range

T

STG

-65 to +150

°C

Characteristic

Symbol

Min

Typ

Max

Unit

Test Condition

Reverse Breakdown Voltage (Note 2)

V

(BR)R

40

¾

¾

V

I

R

= 500

mA

Forward Voltage (Note 2)

V

F

¾

¾

¾

¾

¾

¾

300
420
550

mV

I

F

= 10mA

I

F

= 100mA

I

F

= 200mA

Leakage Current (Note 2)

I

R

¾

¾

¾

¾

15

3

mA

mA

V

R

= 30V

V

R

= 30V, T

j

= 100°C

Total Capacitance

C

T

¾

23

50

pF

V

R

= 0V, f = 1.0MHz

NEW

P

RODUCT

TOP VIEW

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

Thermal Characteristics

@ T

A

= 25

°C unless otherwise specified

Characteristic

Symbol

Value

Unit

Power Dissipation (Note 1)

P

d

200

mW

Thermal Resistance, Junction to Ambient Air (Note 1)

R

qJA

500

°C/W

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