1N4148WSF-7

**1N4148WSF** — **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 

- Thermally Efficient Copper Alloy leadframe for High Power Dissipation 

   - 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) 

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

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

SOD323F 

Top View 

**Ordering Information** (Note 4) 

**Product Compliance Marking Reel Size (inches) Tape Width (mm) Quantity per Reel** ~~—————E—E~~ 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** 

JP = Product Type Marking Code **JP** YM = Date Code Marking Y = Year (ex: A = 2013) ql M = Month (ex: 9 = September) oF 

## Date Code Key 

|Date Code Keyy<br>**Year**<br>**2013**<br>**2014**<br>**2015**<br>**2016**<br>**2017**<br>**2018**<br>**2019**<br>**2020**<br>**Code**<br>A<br>B<br>C<br>D<br>E<br>F<br>G<br>H<br>**Month**<br>**Jan**<br>**Feb**<br>**Mar**<br>**Apr**<br>**May**<br>**Jun**<br>**Jul**<br>**Aug**<br>**Sep**<br>**Oct**<br>**Nov**<br>**Dec**<br>**Code**<br>1<br>2<br>3<br>4<br>5<br>6<br>7<br>8<br>9<br>O<br>N<br>D<br>~~_ee~~|
|---|



1 of 4 **www.diodes.com** 

1N4148WSF Document number: DS36010 Rev. 4 - 2 

September 2013 © Diodes Incorporated 

**1N4148WSF** 

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

|**Maximum Ratingsgss** (@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|**Maximum Ratingsgss** (@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|**Maximum Ratingsgss** (@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|**Maximum Ratingsgss** (@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|**Maximum Ratingsgss** (@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|
|---|---|---|---|---|
||||||
|**Characteristic**||**Symbol**|**Value**|**Unit**|
|Non-Repetitive Peak Reverse Voltage||VRM|100|V|
|Peak Repetitive Reverse Voltage<br>Working Peak Reverse Voltage<br>DC Blocking Voltage||VRRM<br>VRWM<br>VR|100|V|
|RMS Reverse Voltage||VR(RMS)|71|V|
|Forward Continuous Current (Note 5)||IFM|250|mA|
|Non-Repetitive Peak Forward Surge Current|@ t = 1.0µs<br>@ t = 1.0ms<br>@ t = 1.0s|IFSM|4.0<br>1.0<br>0.5|A|



## **Thermal Characteristics** 

|**Thermal Characteristics**||||
|---|---|---|---|
|**Characteristic**|**Symbol**|**Value**|**Unit**|
|Power Dissipation (Note 5)|PD|400|mW|
|Thermal Resistance Junction to Ambient Air (Note 5)|RθJA|313|°C/W|
|Operating and Storage Temperature Range|TJ, TSTG|-55 to +150|°C|



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

|**Electrical Characteristics** (@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|**Electrical Characteristics** (@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|**Electrical Characteristics** (@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|**Electrical Characteristics** (@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|**Electrical Characteristics** (@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|**Electrical Characteristics** (@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|
|---|---|---|---|---|---|
|||||||
|**Characteristic**|**Symbol**|**Min**|**Max**|**Unit**|**Test Condition**|
|Reverse Breakdown Voltage (Note 6)|V(BR)R|100||V|IR= 100µA|
|Forward Voltage|VF||0.715<br>0.855<br>1.0<br>1.25|V|IF= 1.0mA<br>IF= 10mA<br>IF= 50mA<br>IF= 150mA|
|Leakage Current (Note 6)|IR||0.5<br>50<br>30<br>30|µA<br>µA<br>µA<br>nA|VR= 80V<br>VR= 80V, TJ= +150°C<br>VR= 25V, TJ= +150°C<br>VR= 25V|
|Total Capacitance|CT||1.5|pF|VR= 0, f = 1.0MHz|
|Reverse Recovery Time|trr||4.0|ns|IF= IR= 10mA,<br>Irr= 0.1 x IR, RL= 100|



Notes: 5. Device mounted on FR-4 PCB, on minimum recommended, 2oz copper pad layout. 

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

2 of 4 **www.diodes.com** 

1N4148WSF Document number: DS36010 Rev. 4 - 2 

September 2013 © Diodes Incorporated 

**1N4148WSF** 

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**----- Start of picture text -----**<br>
Note 5<br>200 NN<br>TNT<br>150<br>\<br>we \<br>500 R JA  = 357°C/W iN\<br>0 25 50 75 100 125 150<br>TA, AMBIENT TEMPERATURE (°C)<br>Figure 1  Power Derating Curve, Total Package<br>100,000 ———————————<br>10,000 80a a<br>SSS<br>1,000 ft et<br>ic<br>100 ee<br>a=<br>10<br>eee 0<br>weA | |=|<br>1 ff | fff<br>——<br>fo<br>0.1 a ee ee ee<br>0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0<br>VR, INSTANTANEOUS REVERSE VOLTAGE (V)<br>Figure 3  Typical Reverse Characteristics<br>, POWER DISSIPATION (mW)<br>D<br>P<br>, INSTANTANEOUS REVERSE CURRENT (nA)<br>IR<br>**----- End of picture text -----**<br>


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100001000 _————————————ee<br>pj |_|_|__|_|_{_|_|_|_{__|<br>ee<br>100 AZ<br>10<br>TA = 150°C fh fifa<br>1 hej TA = 125°C ae Ay A A A /<br>i eea T A  = 5°C5<br>SSE STS TF i+—<br>0.1 =f Ff ff TA = 25°C<br>0.01<br>0.001 AeLfWi 7  ff 7 2 | ey FY | ee | TA = -5 | 5°C ft | ft<br>0 200 400 600 800 1000 1200<br>VF, INSTANTANEOUS FORWARD VOLTAGE (mV)<br>Figure 2   Typical Forward Characteristics<br>1.0 ;-—{—f ff ota J<br>ee ee<br>0.8 poof<br>a<br>a<br>0.6<br>———————rses<br>a DD<br>0.4 ——————<br>ee<br>0.2 aCOaa<br>a a a a<br>Fee<br>0 a<br>0 20 40<br>VR, DC REVERSE VOLTAGE (V)<br>Figure 4  Total Capacitance vs. Reverse Voltage<br>, INSTANTANEOUS FORWARD CURRENT (mA)<br>IF<br>, TOTAL CAPACITANCE (pF)<br>T<br>C<br>**----- End of picture text -----**<br>


## **Package Outline Dimensions** 

Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version. 

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**----- Start of picture text -----**<br>
<— D el c<br>SOD323F<br>Ii} 1 «J 2 H L2 (2x) a Dim  Min  Max  Typ<br>A  0.60  0.75  <br>| a b  0.25  ee 0.35  ee <br>He E c  0.05  0.26  <br>ee D  1.1 ee 5 1. ee 35 1.2 ee 5<br>ee E  1. ee 60 1. ee 80 1.7 eee 0<br>He 2.30 2.70 2.50<br>L1 L1  0.30  0.50  0.40<br>>| lo l ee L2  0.41  ee 0.61  ee 0.51  eee<br>b (2x) 1 b (2x) a α1  ee  ee  eee 7°<br>α2    3°<br>β1    7°<br>A a ee ee<br>T=f] a β2  eeee  eeee  3°<br>tTTCCt~“‘CSCdr All Dimensions in mm<br>2 |<br>**----- End of picture text -----**<br>


3 of 4 **www.diodes.com** 

1N4148WSF Document number: DS36010 Rev. 4 - 2 

September 2013 © Diodes Incorporated 

**1N4148WSF** 

## **Suggested Pad Layout** 

Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version. 

X1 X Y ~~oo=eee~~ G 

|**Dimensions Value**|**Dimensions Value(in mm)**|
|---|---|
|**G**|1.280|
|**X**|0.710|
|**X1**|2.700|
|**Y**|0.403|



## **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. 

Copyright © 2013, Diodes Incorporated 

**www.diodes.com** 

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1N4148WSF Document number: DS36010 Rev. 4 - 2 

September 2013 © Diodes Incorporated 

**www.diodes.com**