ZLLS400TA

**ZLLS400 40V SURFACE-MOUNT SCHOTTKY BARRIER DIODE** 

## **Product Summary** 

|**VR (V)**|**IF (A)**|**VF Max @**<br>**400mA (V)**|**IR Max @ 30V**<br>**(µA)**|
|---|---|---|---|
|40|0.52|0.5|10|



## **Description** 

This compact SOD323 packaged Schottky diode offers users an excellent performance combination comprising high-current operation, extremely low leakage and low-forward voltage, ensuring suitability for applications requiring efficient operation at higher temperatures (above +85°C) see Operational Efficiency Chart on page 3. 

## **Features and Benefits** 

- Low Equivalent On-Resistance 

- Extremely Low Leakage (10µA @30V) 

- High-Current Capability (IF = 0.52A) 

- Low VF, Fast Switching Schottky 

- ZLLS400 Complements Low Temperature Equivalent ZHCS400 

- • Package Thermally Rated to +150°C 

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

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

- **An automotive compliant part is available under a separate datasheet (ZLLS400Q)** 

## **Mechanical Data** 

- Package: SOD323 

## **Applications** 

- DC-DC converters 

- Mobile telecoms 

   - Package Material: UL Flammability Classification Rating 94V-0 

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

   - Terminals: Finish - Matte Tin Annealed over Alloy 42 Leadframe. Solderable per MIL-STD-202, Method 208 

   - Weight: 0.004 grams (Approximate) 

- Charging circuits 

- Motor controls 

**==> picture [34 x 7] intentionally omitted <==**

**----- Start of picture text -----**<br>
SOD323<br>**----- End of picture text -----**<br>


Top View 

## **Ordering Information** (Note 4) 

|**Ordering Informationg Information Information**(Note 4)||||
|---|---|---|---|
|**Part Number**|**Package**|**Packing**||
|||**Qty. **|**Carrier **|
|ZLLS400TA|SOD323|3,000|Tape & Reel|
|ZLLS400TC|SOD323|10,000|Tape & Reel|



- Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 

2. See https://www.diodes.com/quality/lead-free/ 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 https://www.diodes.com/design/support/packaging/diodes-packaging/. 

1 of 6 **www.diodes.com** 

ZLLS400 Document number: DS33226 Rev. 10 - 2 

June 2024 © 2024 Copyright Diodes Incorporated. All Rights Reserved. 

**ZLLS400** ~~C1~~ 

## LrODES. 

## **Marking Information** 

40 & 40 = Product Type Marking Code 

Before Date Code 2428 (YYWW) From Date Code 2428 (YYWW) (Including 2428) 

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

**==> picture [485 x 70] intentionally omitted <==**

**----- Start of picture text -----**<br>
||||||
|---|---|---|---|---|
|Characteristic|Symbol|Value|Unit|
|Continuous Reverse Voltage|VR|40|V|
|Continuous Forward Current|IF|0.52|A|
|Peak Repetitive Forward Current Rectangular Pulse Duty|Cycle|IFPK|0.85|A|
|t  100µs|12|A|
|Non Repetitive Forward Current|IFSM|
|t  10ms|2.5|A|

**----- End of picture text -----**<br>


## **Thermal Characteristics** 

**==> picture [498 x 69] intentionally omitted <==**

**----- Start of picture text -----**<br>
||||||
|---|---|---|---|---|
|Characteristic|Symbol|Value|Unit|
|Power Dissipation (Note 5) Power Dissipation (Note|6)|PD|260 370|mW|
|(Note 5)|480|
|Thermal Resistance, Junction to Ambient|RθJA|°C/W|
|(Note|6)|330|
|Junction Temperature|TJ|+150|°C|
|Storage Temperature Range|TSTG|-55 to +150|°C|

**----- End of picture text -----**<br>


Notes: 5. For a device surface mounted on 1*MRP FR-4 PC board, 2oz. in still air conditions. 

6. For a device surface mounted on 1inch sq. copper pad, 2oz. in still air conditions. 

**==> picture [231 x 41] intentionally omitted <==**

**----- Start of picture text -----**<br>
s 400<br>5 7 TTT<br>ectangular Pulse Vall<br>oO 20 tn rae HEMET<br>**----- End of picture text -----**<br>


2 of 6 **www.diodes.com** 

ZLLS400 Document number: DS33226 Rev. 10 - 2 

June 2024 © 2024 Copyright Diodes Incorporated. All Rights Reserved. 

**ZLLS400** 

**==> picture [520 x 217] intentionally omitted <==**

**----- Start of picture text -----**<br>
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)<br>COSY Characteristic Symbol  Min  Typ Max  Unit Test Condition<br>Ord —Sr C—O SSCS —OTC*'<br>GO Reverse Breakdown Voltage  V(BR)R 40  60  —  V  IR = 200µA<br>—  305  360  IF = 50mA<br>ee DG<br>—  335  390  IF = 100mA<br>ee ee ee pO<br>a —  395  ee 450  ee pO IF = 250mA<br>a —  445  ee 500  pO IF = 400mA<br>Forward Voltage (Note 7)  VF mV<br>—  550  630  IF = 750mA<br>ee eeee eee pO<br>—  620  710  IF = 1A<br>—  710  800  IF = 1.5A<br>a ee pO<br>—  405  —  IF = 400mA, TA = +100°C<br>a ee pO<br>—  6  10  VR = 30V<br>Reverse Current  IR µA<br>OEE —  370  SSE —  VR = 30V, TA = +85°C<br>ee ee pO<br>GG Diode Capacitance  CD —  15  OG —  pF  (OR f = 1MHz, VR = 30V<br>Reverse Recovery Time  tRR —  3  —  ns  Switched from IF = 500mA to<br>VR = 5.5V Measured @<br>Reverse Recovery Charge  QRR —  210  —  pC  IR = 50mA, di/dt = 500mA/ns<br>PPPPri RSOURCE = 6Ω, RLOAD = 10Ω<br>Note:  7. Measured under pulsed conditions. Pulse width = 300µs. Duty cycle  2%.<br>**----- End of picture text -----**<br>


## **Operational Efficiency Chart** 

The operational efficiency chart indicates the beneficial use of the ZLLS series diodes in applications requiring higher voltage and higher temperature operation. Circuits requiring low-voltage low-temperature operation will benefit from using Zetex low VF ZHCS series diodes. 

3 of 6 **www.diodes.com** 

ZLLS400 Document number: DS33226 Rev. 10 - 2 

June 2024 © 2024 Copyright Diodes Incorporated. All Rights Reserved. 

**ZLLS400** ~~LC~~ 

**==> picture [102 x 28] intentionally omitted <==**

**----- Start of picture text -----**<br>
Lr<br>**----- End of picture text -----**<br>


4 of 6 **www.diodes.com** 

ZLLS400 Document number: DS33226 Rev. 10 - 2 

June 2024 © 2024 Copyright Diodes Incorporated. All Rights Reserved. 

**ZLLS400** 

## **Package Outline Dimensions** 

Please see http://www.diodes.com/package-outlines.html for the latest version. 

**==> picture [34 x 7] intentionally omitted <==**

**----- Start of picture text -----**<br>
SOD323<br>**----- End of picture text -----**<br>


**==> picture [306 x 183] intentionally omitted <==**

**----- Start of picture text -----**<br>
A2<br>A1<br>a<br>c Shy L to;<br>i Lf |<br>He<br>E<br>b D<br>sa}<br>**----- End of picture text -----**<br>


|**SOD323**|**SOD323**|**SOD323**|**SOD323**|
|---|---|---|---|
|**Dim**|**Min**|**Max **|**Typ**|
|**A1**|--|0.10|**yp**<br>0.05|
|**A2**<br>**b**|1.00<br>0.25|1.10<br>035|1.05<br>030|
|**b**|0.25|0.35|0.30|
|**c**|0.10|0.15|0.11|
|**D**|1.20|1.40|1.30|
|**E**|1.60|1.80|1.70|
|**He**|2.30|2.70|2.50|
|**L**|0.20|0.40|0.30|
|**a**|0º|8º|--|
|**All Dimensions in mm**||||



## **Suggested Pad Layout** 

Please see http://www.diodes.com/package-outlines.html for the latest version. 

**SOD323** 

**==> picture [107 x 69] intentionally omitted <==**

**----- Start of picture text -----**<br>
X1<br>Y<br>X<br>**----- End of picture text -----**<br>


|**Dimensions Value (in mm)**|**Dimensions Value (in mm)**|
|---|---|
|**X**|0.590|
|**X1**|2.700|
|**Y**|0.450|



5 of 6 **www.diodes.com** 

ZLLS400 Document number: DS33226 Rev. 10 - 2 

June 2024 © 2024 Copyright Diodes Incorporated. All Rights Reserved. 

**ZLLS400** 

## **IMPORTANT NOTICE** 

1. DIODES INCORPORATED (Diodes) AND ITS SUBSIDIARIES MAKE NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO ANY INFORMATION CONTAINED IN THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 

2. The Information contained herein is for informational purpose only and is provided only to illustrate the operation of Diodes’ products described herein and application examples. Diodes does not assume any liability arising out of the application or use of this document or any product described herein. This document is intended for skilled and technically trained engineering customers and users who design with Diodes’ products. Diodes’ products may be used to facilitate safety-related applications; however, in all instances customers and users are responsible for (a) selecting the appropriate Diodes products for their applications, (b) evaluating the suitability of Diodes’ products for their intended applications, (c) ensuring their applications, which incorporate Diodes’ products, comply the applicable legal and regulatory requirements as well as safety and functional-safety related standards, and (d) ensuring they design with appropriate safeguards (including testing, validation, quality control techniques, redundancy, malfunction prevention, and appropriate treatment for aging degradation) to minimize the risks associated with their applications. 

3. Diodes assumes no liability for any application-related information, support, assistance or feedback that may be provided by Diodes from time to time. Any customer or user of this document or products described herein will assume all risks and liabilities associated with such use, and will hold Diodes and all companies whose products are represented herein or on Diodes’ websites, harmless against all damages and liabilities. 

4. Products described herein may be covered by one or more United States, international or foreign patents and pending patent applications. Product names and markings noted herein may also be covered by one or more United States, international or foreign trademarks and trademark applications. Diodes does not convey any license under any of its intellectual property rights or the rights of any third parties (including third parties whose products and services may be described in this document or on Diodes’ website) under this document. 

5. Diodes’ products are provided subject to Diodes’ Standard Terms and Conditions of Sale (https://www.diodes.com/about/company/terms-and-conditions/terms-and-conditions-of-sales/) or other applicable terms. This document does not alter or expand the applicable warranties provided by Diodes. Diodes does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. 

6. Diodes’ products and technology may not be used for or incorporated into any products or systems whose manufacture, use or sale is prohibited under any applicable laws and regulations. Should customers or users use Diodes’ products in contravention of any applicable laws or regulations, or for any unintended or unauthorized application, customers and users will (a) be solely responsible for any damages, losses or penalties arising in connection therewith or as a result thereof, and (b) indemnify and hold Diodes and its representatives and agents harmless against any and all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim relating to any noncompliance with the applicable laws and regulations, as well as any unintended or unauthorized application. 

7. While efforts have been made to ensure the information contained in this document is accurate, complete and current, it may contain technical inaccuracies, omissions and typographical errors. Diodes does not warrant that information contained in this document is error-free and Diodes is under no obligation to update or otherwise correct this information. Notwithstanding the foregoing, Diodes reserves the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. 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. 

8. Any unauthorized copying, modification, distribution, transmission, display or other use of this document (or any portion hereof) is prohibited. Diodes assumes no responsibility for any losses incurred by the customers or users or any third parties arising from any such unauthorized use. 

9. This Notice may be periodically updated with the most recent version available at https://www.diodes.com/about/company/terms-andconditions/important-notice 

The Diodes logo is a registered trademark of Diodes Incorporated in the United States and other countries. All other trademarks are the property of their respective owners. 

- © 2024 Diodes Incorporated. All Rights Reserved. 

**www.diodes.com** 

6 of 6 **www.diodes.com** 

ZLLS400 Document number: DS33226 Rev. 10 - 2 

June 2024 

© 2024 Copyright Diodes Incorporated. All Rights Reserved.