SDM03U40Q

Document number: DS38986 Rev. 5 - 2

2 of 5

www.diodes.com

September 2016

© Diodes Incorporated

SDM03U40Q

Characteristic

Symbol

Value

Unit

Peak Reverse Voltage

40

V

DC Reverse Voltage

30

V

RMS Reverse Voltage

21

V

Average Rectified Current

30

mA

Non-Repetitive Peak Forward Surge Current @8.3ms

Single Half Sine-Wave Superimposed on Rated Load

200

mA

Thermal Characteristics

Characteristic

Symbol

Value

Unit

Thermal Resistance, Junction to Ambient (Note 6)

Thermal Resistance, Junction to Ambient (Note 7)

450

300

C/W

Operating and Storage Temperature Range

-40 to +125

C

Characteristic

Symbol

Min

Typ

Max

Unit

Test Conditions

Reverse Breakdown Voltage (Note 8)

40





V

Forward Voltage



290

370

mV

Peak Reverse Current (Note 8)





0.5

A

Total Capacitance



2



pF

Notes:

6. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com/package-outlines.html.

7. Part mounted on 1-inch sq. 2oz copper pad.

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