MMBD4448H-7-F Datasheet MMBD4448H-7-F, MMBD4448H-7 | P1-P3

MMBD4448H

Document number: DS30176 Rev. 10 - 2

1 of 4

www.diodes.com

February 2011

MMBD4448H

SURFACE MOUNT SWITCHING DIODE

Features

• Fast Switching Speed

• Surface Mount Package Ideally Suited for Automated Insertion

• For General Purpose Switching Applications

• High Conductance

• Lead Free/RoHS Compliant (Note 1)

Mechanical Data

• Case: SOT23

• Case Material: Molded Plastic. 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: 0.008 grams (approximate)

Ordering Information (Note 2)

Part Number Case Packaging

MMBD4448H-7-F SOT23 3000/Tape & Reel

Notes: 1. No purposefully added lead.

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

Marking Information

Date Code Key

Year 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015

Code M 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

SOT23

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

MMBD4448H

Document number: DS30176 Rev. 10 - 2

2 of 4

www.diodes.com

February 2011

MMBD4448H

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

80 V

RMS Reverse Voltage

V

R

(

RMS

)

57 V

Forward Continuous Current (Note 3)

I

FM

500 mA

Average Rectified Output Current (Note 3)

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 3)

P

D

350 mW

Thermal Resistance Junction to Ambient Air (Note 3)

R

θ

JA

357

°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 4)

V

(

BR

)

R

80

⎯

V

I

R

= 2.5μA

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 4)

I

R

⎯

100

50

30

25

nA

μA

nA

V

R

= 70V

V

R

= 75V, T

J

= 150°C

V

R

= 25V, T

J

= 150°C

V

R

= 20V

Total Capacitance

C

T

⎯

3.5 pF

V

R

= 6V, f = 1.0MHz

Reverse Recovery Time

t

r

⎯

4.0 ns

V

R

= 6V, I

F

= 5mA

Notes: 3. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com.

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

0

1208040 160

200

T , AMBIENT TEMPERATURE (ºC)

Fig. 1 Power Derating Curve (Note 3)

A

P

,

P

O

WE

R

DISSI

P

A

T

I

O

N

(mW)

D

0

100

200

300

400

500

10

100

1,000

1

0.1

0

1.61.20.4

0.8

I, INS

T

AN

T

ANE

O

U

S

F

O

R

WA

R

D

C

U

R

EN

T

(mA)

F

V , INSTANTANEOUS FORWARD VOLTAGE (V)

Fig. 2 Typical Forward Characteristics

F

T = 125ºC

A

T = -40ºC

A

T = 75ºC

A

T = 25ºC

A

T = 0ºC

A

MMBD4448H

Document number: DS30176 Rev. 10 - 2

3 of 4

www.diodes.com

February 2011

MMBD4448H

0.1

1

10

100

1,000

10,000

0

20 40

V , INSTANTANEOUS REVERSE VOLTAGE (V)

Fig. 3 Typical Reverse Characteristics

R

I, I

N

S

T

A

N

T

A

N

E

O

U

S

R

EVE

R

SE

C

U

R

E

N

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

AN

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

SOT23

Dim Min Max Typ

A 0.37 0.51 0.40

B 1.20 1.40 1.30

C 2.30 2.50 2.40

D 0.89 1.03 0.915

F 0.45 0.60 0.535

G 1.78 2.05 1.83

H 2.80 3.00 2.90

J 0.013 0.10 0.05

K 0.903 1.10 1.00

K1 - - 0.400

L 0.45 0.61 0.55

M 0.085 0.18 0.11

α

0° 8° -

All Dimensions in mm

Dimensions Value (in mm)

Z 2.9

X 0.8

Y 0.9

C 2.0

E 1.35

A

M

J

L

D

F

B

C

H

K

G

K1

X

E

Y

C

Z

MMBD4448H-7-F

MMBD4448H-7-F

Products related to this Datasheet