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1N4148WSF

Document number: DS36010 Rev. 4 - 2

1 of 4

www.diodes.com

September 2013

1N4148WSF

NEW PRODUCT

SURFACE MOUNT FAST SWITCHING DIODE

Features

 Fast Switching Speed

 Low Forward Voltage: Maximum of 0.715V at 1mA

 Fast Reverse Recovery: Maximum of 4ns

 Low Capacitance: Maximum of 1.5pF

 Low Leakage Current: Maximum of 500nA at 80V

 Small Surface Mount Package

 Thermally Efficient Copper Alloy leadframe for High Power

Dissipation

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

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

Mechanical Data

 Case: SOD323F

 Case Material: Molded Plastic, “Green” Molding Compound. UL

Flammability Classification Rating 94V-0

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

 Terminals: Matte Tin Finish annealed over Copper Alloy leadframe

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

 Weight: 0.003 grams (approximate)

Ordering Information (Note 4)

Product Compliance Marking Reel Size (inches) Tape Width (mm) Quantity per Reel

1N4148WSF-7 Standard JP 7 8 3,000/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 2013 2014 2015 2016 2017 2018 2019 2020

Code A B C D E F G H

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

SOD323F

JP = Product Type Marking Code

YM = Date Code Marking

Y = Year (ex: A = 2013)

M = Month (ex: 9 = September)

Summary of content (4 pages)

PAGE 1
N4148WSF SURFACE MOUNT FAST SWITCHING DIODE Features Mechanical Data  Fast Switching Speed   Low Forward Voltage: Maximum of 0.715V at 1mA   Fast Reverse Recovery: Maximum of 4ns  Low Capacitance: Maximum of 1.5pF   Low Leakage Current: Maximum of 500nA at 80V   Small Surface Mount Package Case Material: Molded Plastic, “Green” Molding Compound.
PAGE 2
1N4148WSF Maximum Ratings (@TA = +25°C, unless otherwise specified.) Characteristic Symbol Value Unit VRM 100 V VRRM VRWM VR 100 V Non-Repetitive Peak Reverse Voltage Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage VR(RMS) 71 V IFM 250 mA IFSM 4.0 1.0 0.5 A Symbol Value Unit PD 400 mW RθJA 313 °C/W TJ, TSTG -55 to +150 °C NEW PRODUCT Forward Continuous Current (Note 5) Non-Repetitive Peak Forward Surge Current @ t = 1.
PAGE 3
IF, INSTANTANEOUS FORWARD CURRENT (mA) PD, POWER DISSIPATION (mW) Note 5 RJA = 357°C/W TA, AMBIENT TEMPERATURE (° C) Figure 1 Power Derating Curve, Total Package 10000 1000 100 10 TA = 150°C 1 TA = 125°C TA = 55°C 0.1 TA = 25°C 0.01 T A = -55°C 0.001 0 200 400 600 800 1000 1200 VF, INSTANTANEOUS FORWARD VOLTAGE (mV) Figure 2 Typical Forward Characteristics 100,000 1.0 10,000 CT, TOTAL CAPACITANCE (pF) IR, INSTANTANEOUS REVERSE CURRENT (nA) NEW PRODUCT 1N4148WSF 1,000 100 10 1 0.
PAGE 4
1N4148WSF Suggested Pad Layout Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version. X1 Dimensions Value (in mm) G 1.280 X 0.710 X1 2.700 Y 0.403 X NEW PRODUCT Y G 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).