1N4448W-7-F - DIODES INC - Datasheet.Wiki

1N4448W

Document number: DS12002 Rev. 19 - 2

1 of 4

www.diodes.com

September 2013

1N4448W

FAST SWITCHING SURFACE MOUNT DIODE

Features

 Fast Switching Speed

 Surface Mount Package Ideally Suited for Automated Insertion

 For General Purpose Switching Applications

 High Conductance

 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

 Halogen and Antimony Free. “Green” Device (Note 3)

Mechanical Data

 Case: SOD-123

 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: Cathode Band

 Weight: 0.01 grams (approximate)

Ordering Information (Note 4)

Part Number Case Packaging

1N4448W-7-F SOD-123 3000/Tape & Reel

Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"

and Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

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

Marking Information

Date Code Key

Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015

Code J K L 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

SOD-123

T5 = Product Type Marking Code

YM = Date Code Marking

Y = Year (ex: N = 2002)

M = Month (ex: 9 = September)

1N4448W

Document number: DS12002 Rev. 19 - 2

2 of 4

www.diodes.com

September 2013

1N4448W

Maximum Ratings (@TA = +25°C, unless otherwise specified.)

Characteristic Symbol Value Unit

Non-Repetitive Peak Reverse Voltage VRM 100 V

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

VRRM

VRWM

75 V

RMS Reverse Voltage VR

(

RMS

)

53 V

Forward Continuous Current IFM 500 mA

Average Rectified Output Current IO 250 mA

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

@t = 1.0s IFSM 4.0

1.0 A

Thermal Characteristics

Characteristic Symbol Value Unit

Power Dissipation (Note 5) PD 400 mW

Thermal Resistance Junction to Ambient Air (Note 5) R



JA 315 °C/W

Operating and Storage Temperature Range TJ, TSTG -65 to +150 °C

Electrical Characteristics (@TA = +25°C, unless otherwise specified.)

Characteristic Symbol Min Max Unit Test Condition

Reverse Breakdown Voltage (Note 6) V

(

)

R 75  V IR = 10A

Forward Voltage VFM

0.62



0.72

0.855

1.0

1.25

IF = 5.0mA

IF = 10mA

IF = 100mA

IF = 150mA

Peak Reverse Current (Note 6) IRM 

2.5

μA

VR = 75V

VR = 75V, TJ = +150C

VR = 25V, TJ = +150C

VR = 20V

Total Capacitance CT  4.0 pF

VR = 0, f = 1.0MHz

Reverse Recovery Time trr  4.0 ns

IF = IR = 10mA,

Irr = 0.1 x IR, RL = 100Ω

Notes: 5. Part mounted on FR-4 PC board with minimum recommended pad layout, which can be found on our website at http://www.diodes.com.

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

0 25 50 75 100 125 150

ISSI

(mW)

T , AMBIENT TEMPERATURE ( C)

Fig. 1 Power Derating Curve

200

400

500

100

300

R = 315°C/W



0.1

100

1000

0 200 400 600 800 1000 1200 1400 1600

Figure 2 Typical Forward Characteristics

V , INSTANTANEOUS FORWARD VOLTAGE (mV)

I , INSTANTANEOUS FORWARD CURRENT (mA)

T = 85°C

T = 125°C

T = 150°C

T = -55°C

T = 25°C

1N4448W

Document number: DS12002 Rev. 19 - 2

3 of 4

www.diodes.com

September 2013

1N4448W

Package Outline Dimensions

0.10

1.0

10.0

0.01

0.001

020 40 60 80

V , INSTANTANEOUS REVERSE VOLTAGE (V)

Fig. 3 Typical Reverse Characteristics

T = 100C

T = 0C

T = 75C

T = 50C

T = 25C

T = -30C

I , INSTANTANEOUS REVERSE CURRENT (µA)

0432 5

V , DC REVERSE VOLTAGE (V)

Fig. 4 Total Capacitance vs. Reverse Voltage

E (pF)

0468210

I , FORWARD CURRENT (mA)

Fig. 5 Reverse Recovery Time vs. Forward Current

EVE

E (nS)

0.5

1.0

1.5

2.0

2.5

SOD-123

Dim Min Max

A 0.55 Typ

B 1.40 1.70

C 3.55 3.85

H 2.55 2.85

J 0.00 0.10

K 1.00 1.35

L 0.25 0.40

M 0.10 0.15

 0 8°

All Dimensions in mm

1N4448W

Document number: DS12002 Rev. 19 - 2

4 of 4

www.diodes.com

September 2013

1N4448W

Suggested Pad Layout

IMPORTANT NOTICE

DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,

INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).

Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes

without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the

application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or

trademark rights, nor the rights of others. Any Customer or user of this document or products described herein 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 Diodes Incorporated

website, harmless against all damages.

Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.

Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and

hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or

indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.

Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings

noted herein may also be covered by one or more United States, international or foreign trademarks.

This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the

final and determinative format released by Diodes Incorporated.

LIFE SUPPORT

Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express

written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:

A. Life support devices or systems are devices or systems which:

1. are intended to implant into the body, or

2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the

labeling can be reasonably expected to result in significant injury to the user.

B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the

failure of the life support device or to affect its safety or effectiveness.

Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and

acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any

use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related

information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its

representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.

www.diodes.com

Dimensions Value (in mm)

G 2.250

X 0.900

X1 4.050

Y 0.950