Elektronische Bauelemente

VOLTAGE 20 V ~ 40 V

0.3 A Surface Mount Schottky Barrier Rectifiers

05-May-2007 Rev. A

Page 1 of 2

http://www.SeCoSGmbH.com/

Any changes of specification will not be informed individually.

Cathode Band

G

E

E

D

A

C

B

F

RoHS Compliant Product

A suffix of “-C” specifies halogen & lead-free

0603

FEATURES

Lead less chip form, no lead damage

Lead-free solder joint, no wire bond & lead frame

Low power loss, High efficiency

High current capability, low VF

Plastic package has Underwriters Laboratory Flammability

Classification 94V-0

APPLICATION

Switching mode power supply applications

Portable equipment battery applications

General rectification

DC / DC converter

Telecommunication

MECHANICAL DATA

Case: Packed with FRP substrate and epoxy underfilled

Terminals: Pure tin-plated (lead-free), solderable per MIL-STD-750, method 2026.

Polarity: Laser cathode band marking

Weight : 0.003 gram

TYPE NUMBER

SYMBOL

UMMD032

UMMD034

UNITS

Peak Repetitive Peak reverse voltage

20

40

V

Maximum Average Forward Current (See Fig. 1)

0.3

A

Peak Forward Current @ 8.3 ms half sine-wave

2.0

A

Maximum Forward Voltage (Note 1)

0.50

V

Typical Forward Voltage (Note 1)

0.38

0.43

0.47

V

Maximum Repetitive Peak Reverse Current (Note 1)

20

Typical Repetitive Peak Reverse Current (Note 1)

50

uA

Typical Thermal Resistance – Junction to Ambient (Note 2)

160

Typical Thermal Resistance – Junction to Lead (Note 2)

110

°C / W

Junction Capacitance

35

pF

Operating Temperature Range

-55 ~ + 125

°C

Storage temperature

-65 ~ + 150

°C

NOTES:

2. Mounted on P.C. board with 0.2 x 0.2” (5.0 x 5.0 mm) copper pad areas.

Millimeter

Millimeter

REF.

Min.

Max.

REF.

Min.

Max.

A

1.50

1.70

E

0.30

0.40

B

0.80

1.00

F

R 0.20

C

0.70 TYP.

G

0.05 REF.

D

0.50

0.80