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Diodes SDM03U40 User Manual

Sdm03u40, Features, Mechanical data

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SDM03U40

Document number: DS30392 Rev. 9 - 2

1 of 3

www.diodes.com

January 2009

© Diodes Incorporated

SDM03U40


SURFACE MOUNT SCHOTTKY BARRIER DIODE

Features

Low Forward Voltage Drop

Guard Ring Die Construction for Transient Protection

Ideal for low logic level applications

Low Capacitance

Lead Free by Design/RoHS Compliant (Note 1)

"Green" Device, Note 4 and 5

Qualified to AEC-Q101 Standards for High Reliability

Mechanical Data

• Case:

SOD-523

Case Material: Molded Plastic, "Green" Molding Compound,
Note 5. UL Flammability Classification Rating 94V-0

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

Terminal Connections: Cathode Band

Terminals: Finish - Matte Tin annealed over Alloy 42 leadframe.
Solderable per MIL-STD-202, Method 208

Marking Information: See Page 3

Ordering Information: See Page 3

Weight: 0.002 grams (approximate)









Maximum Ratings

@T

A

= 25°C unless otherwise specified

Characteristic

Symbol

Value

Unit

Peak Reverse Voltage

V

RM

40

V

DC Reverse Voltage

V

R

30

V

RMS Reverse Voltage

V

R(RMS)

21

V

Average Rectified Current

I

O

30

mA

Non-Repetitive Peak Forward Surge Current @8.3ms
Single half sine-wave superimposed on rated load

I

FSM

200

mA

Thermal Characteristics

Characteristic

Symbol

Value

Unit

Power Dissipation (Note 2)

P

D

150

mW

Thermal Resistance, Junction to Ambient (Note 2)

R

θJA

667

°C/W

Operating and Storage Temperature Range

T

J,

T

STG

-40 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

40

V

I

R = 10

uA

Forward Voltage

V

F

290

370

mV

I

F

= 1mA

Peak Reverse Current (Note 3)

I

R

0.5

μA

V

R

= 30V

Total Capacitance

C

T

2

pF

V

R

= 1V, f = 1.0 MHz

Notes:

1. No purposefully added lead.
2. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
3. Short duration pulse test used to minimize self-heating effect.
4. Diodes Inc.'s "Green" Policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
5. Product manufactured with date code 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to date

code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.














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