MMBD4448W-7-F Datasheet MMBD4448W-7-F | P1-P3

MMBD4448W

Document number: DS30095 Rev. 12 - 2

1 of 4

www.diodes.com

February 2011

MMBD4448W

SURFACE MOUNT FAST SWITCHING DIODE

Features

• Fast Switching Speed

• Small Surface Mount Package

• For General Purpose Switching Applications

• High Conductance

• Lead, Halogen and Antimony Free, RoHS Compliant "Green"

Device (Notes 1, 2 and 3)

Mechanical Data

• Case: SOT-323

• Case Material: Molded Plastic, "Green" Molding Compound,

Note 5. UL Flammability Classification Rating 94V-0

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

• Terminals: Matte Tin Finish annealed over Alloy 42 leadframe

(Lead Free Plating). Solderable per MIL-STD-202, Method 208

• Polarity: See Diagram

• Weight: 0.006 grams (approximate)

Ordering Information (Notes 3 & 4)

Part Number Case Packaging

MMBD4448W-7-F SOT-323 3000/Tape & Reel

Notes: 1. No purposefully added lead. Halogen and Antimony Free.

2. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com.

3. Product manufactured with Green Molding Compound and does not contain Halogens or Sb

2

O

3

Fire Retardants.

4. For packaging details, go to our website at http://www.diodes.com.

Marking Information

Date Code Key

Year 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015

Code N P R S T U V W X Y Z A B C

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Code 1 2 3 4 5 6 7 8 9 O N D

Top View

SOT-323

Top View

Internal Schematic

KA3 = Product Type Marking Code

YM = Date Code Marking

Y = Year (ex: N = 2002)

M = Month (ex: 9 = September)

KA3

YM

MMBD4448W

Document number: DS30095 Rev. 12 - 2

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February 2011

MMBD4448W

Maximum Ratings @T

A

= 25°C unless otherwise specified

Characteristic Symbol Value Unit

Non-Repetitive Peak Reverse Voltage

V

RM

100 V

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

V

RRM

V

RWM

V

R

75 V

RMS Reverse Voltage

V

R

(

RMS

)

53 V

Forward Continuous Current (Note 4)

I

FM

500 mA

Average Rectified Output Current (Note 4)

I

O

250 mA

Non-Repetitive Peak Forward Surge Current @ t = 1.0

μ

s

@ t = 1.0s

I

FSM

4.0

1.0

A

Thermal Characteristics

Characteristic Symbol Value Unit

Power Dissipation (Note 4)

P

D

200 mW

Thermal Resistance Junction to Ambient Air (Note 4)

R

θ

JA

625

°C/W

Operating and Storage Temperature Range

T

J,

T

STG

-65 to +150

°C

Electrical Characteristics @T

A

= 25°C unless otherwise specified

Characteristic Symbol Min Max Unit Test Condition

Reverse Breakdown Voltage (Note 5)

V

(

BR

)

R

75

⎯

V

I

R

= 10μA

Forward Voltage

V

F

0.62

⎯

0.72

0.855

1.0

1.25

V

I

F

= 5.0mA

I

F

= 10mA

I

F

= 100mA

I

F

= 150mA

Reverse Current (Note 5)

I

R

⎯

1.0

50

30

25

μA

nA

V

R

= 75V

V

R

= 75V, T

J

= 150°C

V

R

= 25V, T

J

= 150°C

V

R

= 20V

Total Capacitance

C

T

⎯

2.0 pF

V

R

= 0, f = 1.0MHz

Reverse Recovery Time

t

rr

⎯

4.0 ns

I

F

= I

R

= 10mA,

I

r

= 0.1 x I

R

, R

L

= 100Ω

Notes: 4. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which

can be found on our website at http://www.diodes.com.

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

0

50

100

150

200

250

P

,

P

O

WE

R

DISSI

P

A

T

I

O

N

(mW)

D

T , AMBIENT TEMPERATURE ( C)

Fig. 1 Power Derating Curve

A

°

0120

8040 160 200

10

100

1,000

1

0.1

0

1.61.20.4 0.8

I, I

N

S

T

A

N

T

A

N

E

O

U

S

F

O

R

WA

R

D

C

U

R

E

N

T

(mA)

F

V , INSTANTANEOUS FORWARD VOLTAGE (V)

Fig. 2 Typical Forward Characteristics

F

MMBD4448W

Document number: DS30095 Rev. 12 - 2

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www.diodes.com

February 2011

MMBD4448W

0.1

1

10

100

1,000

10,000

0

20 40 60 80 100

V , INSTANTANEOUS REVERSE VOLTAGE (V)

Fig. 3 Typical Reverse Characteristics

R

I, INS

T

AN

T

ANE

O

U

S

R

EVE

R

SE

C

U

R

EN

T

(nA)

R

0

0.5

1.0

2.5

2.0

1.5

3.0

01020 4030

C

,

T

O

T

AL

C

A

P

A

C

I

T

A

N

C

E (p

F

)

T

V , DC REVERSE VOLTAGE (V)

Fig. 4 Total Capacitance vs. Reverse Voltage

R

f = 1MHz

Package Outline Dimensions

Suggested Pad Layout

SOT-323

Dim Min Max Typ

A 0.25 0.40 0.30

B 1.15 1.35 1.30

C 2.00 2.20 2.10

D - - 0.65

G 1.20 1.40 1.30

H 1.80 2.20 2.15

J 0.0 0.10 0.05

K 0.90 1.00 1.00

L 0.25 0.40 0.30

M 0.10 0.18 0.11

α

0° 8° -

All Dimensions in mm

Dimensions Value (in mm)

Z 2.8

X 0.7

Y 0.9

C 1.9

E 1.0

A

M

J

L

D

B

C

H

K

G

X

E

Y

C

Z

MMBD4448W-7-F

MMBD4448W-7-F

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