MMBD4448 datasheet(1/3 Pages) MCC

Part #	MMBD4448

Description	Surface Mount Schottky Barrier Switching Diode 350mW

PDF	3 Pages

Scroll/Zoom	100%

Manufacturer	MCC [Micro Commercial Components]

Direct Link	http://www.mccsemi.com

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Features

l Fast Switching Speed

l Surface Mount Package Ideally Suited for Automatic Insertion

l For General Purpose Switching Applications

l High Conductance

Mechanical Data

l Case: SOT-23, Molded Plastic

l Terminals: Solderable per MIL-STD-202, Method 208

l Polarity: See Diagram

l Marking: KA3

Maximum Ratings @ 25oC Unless Otherwise Specified

Characteristic

Symbol

Value

Unit

Non-Repetitive Peak Reverse Volt.

VRM

100

V

Peak Repetitive Reverse Voltage

VRRM

Working Peak Reverse Voltage

VRWM

75

V

DC Blocking Voltage

VR

RMS Reverse Voltage

VR(RMS)

53

V

Forward Continuous Current(Note1)

IFM

500

mA

Average Rectified Output Current

Io

250

mA

Non-Repetitive Peak @ t<=1.0s

IFSM

2

A

Forward Surge Current @ t=1.0us

4

A

Power Dissipation(Note 1)

Pd

350

mW

Thermal Resistance(Note 1)

R

357

K/W

Operation/Storage Temp. Range

Tj, TSTG

-55 to +150

o

C

Electrical Characteristics @ 25oC Unless Otherwise Specified

Charateristic

Symbol

Min

Max

Unit

Test Cond.

0.62

0.72

IF=5.0mA

Maximum Forward

VFM

-----

0.855

V

IF=10mA

Voltage Drop

1

IF=100mA

1.25

IF=150mA

2.5

uA

VR=75V

Maximum Peak

IRM

-----

50

uA

VR=75V Tj=150

o

C

Reverse Current

30

uA

VR=25V Tj=150

o

C

25

nA

VR=20V

Junction Capacitance

Cj

-----

4

pF

VR=0V, f=1.0MHz

Reverse Recovery Time

trr

-----

4

ns

Note: 1. Valid provided that terminals are kept at ambient temperature

MMBD4448

Surface Mount

Schottky Barrier

Switching Diode

350mW

www.mccsemi.com

SOT-23

Suggested Solder

Pad Layout

DIMENSIONS

INCHES

MM

DIM

MIN

MAX

MIN

MAX

NOTE

A

.110

.120

2.80

3.04

B

.083

.098

2.10

2.64

C

.047

.055

1.20

1.40

D

.035

.041

.89

1.03

E

.070

.081

1.78

2.05

F

.018

.024

.45

.60

G

.0005

.0039

.013

.100

H

.035

.044

.89

1.12

J

.003

.007

.085

.180

K

.015

.020

.37

.51

A

B

C

D

E

F

G

H

J

.079

2.000

inches

mm

.031

.800

.035

.900

.037

.950

.037

.950

2. Trr Test Condition: IF=IR=10mA, Irr=0.1*IR, R=100 OHM

omponents

21201 Itasca Street Chatsworth

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MCC

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