Diodes MMBD4448V User Manual

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Features

• Ultra-Small Surface Mount Package

• Fast Switching Speed

• For General Purpose Switching Applications

• High Conductance

• Lead Free By Design/RoHS Compliant (Note 4)

• "Green" Device (Note 5 and 6)

Maximum Ratings @T

Non-Repetitive Peak Reverse Voltage Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage DC Blocking Voltage

RMS Reverse Voltage Forward Continuous Current (Note 2) Average Rectified Output Current (Note 2) Non-Repetitive Peak Forward Surge Current @ t = 1.0μs

@ t = 1.0s

TOP VIEW

= 25°C unless otherwise specified

BOTTOM VIEW

Characteristic Symbol Value Unit

MMBD4448

SURFACE MOUNT FAST SWITCHING DIODE

Mechanical Data

• Case: SOT-563

• Case Material: Molded Plastic. UL Flammability Classification

Rating 94V-0

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

• Terminals: Finish - Matte Tin annealed over Alloy 42

leadframe. Solderable per MIL-STD-202, Method 208

• Marking Information: See Page 2

• Ordering Information: See Page 2

• Weight: 0.003 grams (approximate)

SOT-563

VRM

RWM

R(RMS)

IFM

FSM

Internal Schematic

RRM

TOP VIEW

100 V

80 V

57 V 500 mA 250 mA

4.0

2.0

Thermal Characteristics

Characteristic Symbol Value Unit

Power Dissipation (Note 2) Thermal Resistance Junction to Ambient (Note 2) Operating and Storage Temperature Range

Electrical Characteristics @T

Characteristic Symbol Min Max Unit Test Condition

Reverse Breakdown Voltage (Note 3)

Forward Voltage

Leakage Current (Note 3)

Total Capacitance Reverse Recovery Time

Notes: 1. Package is non-polarized. Parts may be on reel in orientation illustrated, 180° rotated, or mixed (both ways).

5. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.

6. Product manufactured with Date Code UO (week 40, 2007) and newer are built with Green Molding Compound. Product manufactured prior to Date Code UO are built with Non-Green Molding Compound and may contain Halogens or Sb

MMBD4448V

Document number: DS30451 Rev. 7 - 2

2. 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/datasheets/ap02001.pdf.

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

4. No purposefully added lead.

= 25°C unless otherwise specified

TJ , T

STG

(BR)R

CT ⎯

trr ⎯

1 of 2

www.diodes.com

0.62

⎯

2O3

150 mW 833

-65 to +150

⎯

0.72

0.855

1.0

1.25 100

50 30 25

3.5 pF

4.0 ns

Fire Retardants.

IR = 2.5μA IF = 5.0mA IF = 10mA

IF = 100mA IF = 150mA VR = 70V

VR = 75V, TJ = 150°C

μA μA

VR = 25V, TJ = 150°C

VR = 20V VR = 6V, f = 1.0MHz VR = 6V, IF = 5mA

°C/W

°C

March 2008

MMBD4448

Ordering Information (Notes 6 & 7)

Part Number Case Packaging

MMBD4448V-7 SOT-563 3000/Tape & Reel

Notes: 7. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.

Marking Information

Date Code Key

Year 2004 2005 2006 2007 2008 2009 2010 2011 2012

Code R S T U V W X Y Z

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

KAL YM

KAL = Product Type Marking Code YM = Date Code Marking Y = Year (ex: T = 2006) M = Month (ex: 9 = September)

Package Outline Dimensions

Dim Min Max Typ

SOT-563

A 0.15 0.30 0.20 B 1.10 1.25 1.20 C 1.55 1.70 1.60 D 0.50 G 0.90 1.10 1.00 H 1.50 1.70 1.60 K 0.55 0.60 0.60 L 0.10 0.30 0.20

M 0.10 0.18 0.11

All Dimensions in mm

Suggested Pad Layout

Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages.

Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated.

Dimensions Value (in mm)

Z 2.2 G 1.2 X 0.375

IMPORTANT NOTICE

LIFE SUPPORT

Y 0.5 C 1.7 E 0.5