MMBD4448W

1 of 4

© 2006 Won-Top Electronics

Pb

MMBD4448W

SURFACE MOUNT FAST SWITCHING DIODE

Features

!

High Conductance

L

!

Fast Switching

A

!

Surface Mount Package Ideally Suited for

Automatic Insertion

!

For General Purpose and Switching

B

C

!

Plastic Material – UL Recognition Flammability

Classification 94V-O

M

E

D

H

Mechanical Data

!

Case: SOT-323, Molded Plastic

K

!

Terminals: Plated Leads Solderable per

J

MIL-STD-202, Method 208

G

!

Polarity: See Diagram

!

Weight: 0.006 grams (approx.)

!

Mounting Position: Any

!

Marking: A3

!

Lead Free: For RoHS / Lead Free Version,

Add “-LF” Suffix to Part Number, See Page 4

TOP VIEW

Characteristic

Symbol

Value

Unit

Non-Repetitive Peak Reverse Voltage

100

V

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

75

V

Forward Continuous Current (Note 1)

500

mA

Average Rectified Output Current (Note 1)

250

mA

Peak Forward Surge Current (Note 1)

@ t < 1.0µs

4.0

A

Power Dissipation (Note 1)

200

mW

Typical Thermal Resistance, Junction to Ambient Air (Note 1)

625

°C/W

Operating and Storage Temperature Range

-65 to +150

°C

Characteristic

Symbol

Min

Max

Unit

Test Condition

Forward Voltage

—

0.72

1.0

V

Reverse Leakage Current

—2.5

µA

Junction Capacitance

—4.0

pF

Reverse Recovery Time

—4.0

nS

Note: 1. Device mounted on fiberglass substrate 40 x 40 x 1.5mm.

WTE

POWER SEMICONDUCTORS

SOT-323

Dim

Min

Max

A

0.30

0.40

B

1.15

1.35

C

2.00

2.20

D

0.65 Nominal

E

0.30

0.40

G

1.20

1.40

H

1.80

2.20

J

—0.10

K

0.90

1.10

L

0.25

—

M

0.05

0.15

All Dimensions in mm