MMBD4448 datasheet(1/3 Pages) DIODES

Part #	MMBD4448

Description	SURFACE MOUNT SWITCHING DIODE

PDF	3 Pages

Scroll/Zoom	100%

Manufacturer	DIODES [Diodes Incorporated]

Direct Link	http://www.diodes.com

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1 / 3 page

DS12011 Rev. 11 - 2

1 of 3

MMBD4448

www.diodes.com

ã Diodes Incorporated

·

Case: SOT-23

·

Case material: Molded Plastic. UL Flammability

Classification Rating 94V-0

·

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

·

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

·

Lead Free Plating (Matte Tin Finish annealed over Alloy 42

leadframe).

·

Polarity: See Diagram

·

Marking: KA3 (See Page 2)

·

Weight: 0.008 grams (approx.)

Mechanical Data

A

E

J

L

TOP VIEW

M

B

C

H

G

D

K

Features

Characteristic

Symbol

MMBD4448

Unit

Non-Repetitive Peak Reverse Voltage

VRM

100

V

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

VRRM

VRWM

VR

75

V

RMS Reverse Voltage

VR(RMS)

53

V

Forward Continuous Current (Note 1)

IFM

500

mA

Average Rectified Output Current (Note 1)

IO

250

mA

Non-Repetitive Peak Forward Surge Current @ t = 1.0ms

@ t = 1.0s

IFSM

4.0

2.0

A

Power Dissipation (Note 1)

Pd

350

mW

Thermal Resistance Junction to Ambient Air (Note 1)

RqJA

357

°

C/W

Operating and Storage Temperature Range

Tj , TSTG

-65 to +150

°

C

Maximum Ratings @ TA = 25°C unless otherwise specified

Notes:

1. 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.

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

3. No purposefully added lead.

Characteristic

Symbol

Min

Max

Unit

Test Condition

Reverse Breakdown Voltage (Note 2)

V(BR)R

75

¾

V

IR = 2.5mA

Forward Voltage (Note 2)

VF

0.62

¾

0.72

0.855

1.0

1.25

V

IF = 5.0mA

IF = 10mA

IF = 100mA

IF = 150mA

Reverse Current (Note 2)

IR

¾

2.5

50

30

25

m

A

m

A

m

A

nA

VR = 75V

VR = 75V, Tj = 150°C

VR = 25V, Tj = 150°C

VR = 20V

Total Capacitance

CT

¾

4.0

pF

VR = 0, f = 1.0MHz

Reverse Recovery Time

trr

¾

4.0

ns

IF = IR = 10mA,

Irr = 0.1 x IR, RL = 100W

Electrical Characteristics @ TA = 25°C unless otherwise specified

·

Fast Switching Speed

·

Surface Mount Package Ideally Suited for Automatic Insertion

·

For General Purpose Switching Applications

·

High Conductance

·

Lead Free/RoHS Compliant (Note 3)

SOT-23

Dim

Min

Max

A

0.37

0.51

B

1.20

1.40

C

2.30

2.50

D

0.89

1.03

E

0.45

0.60

G

1.78

2.05

H

2.80

3.00

J

0.013

0.10

K

0.903

1.10

L

0.45

0.61

M

0.085

0.180

a

0°

8°

All Dimensions in mm

MMBD4448

SURFACE MOUNT SWITCHING DIODE

SPICE MODEL: MMBD4448

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