SD12-7

**SD12** —_ 

**1 CHANNEL UNIDIRECTIONAL TVS** 

## **Features** 

## **Mechanical Data** 

- 350 Watts Peak Pulse Power (tp = 8x20μs) 

- IEC 61000-4-2 (ESD): Air – 30kV, Contact – 30kV 

- IEC 61000-4-2 (ESD), HBM – 16kV 

- IEC 61000-4-4, 40A 

- IEC 61000-4-5 (Lightning), 15A 

- Typically Used at Computer Interface Protection,  Data Line and Power Line Protection 

   - Case: SOD323 

   - 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 Alloy 42 Leadframe (Lead-Free Plating). Solderable per MIL-STD-202, Method 208 

   - Weight: 0.004 grams (Approximate) 

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

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

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Pin 2 Pin 1 YQ ~~O—>L_o~~ Top View Device Schematic 

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

|**Ordering Informationg Information Information**(Note 4)|**Ordering Informationg Information Information**(Note 4)|**Ordering Informationg Information Information**(Note 4)|**Ordering Informationg Information Information**(Note 4)|**Ordering Informationg Information Information**(Note 4)|**Ordering Informationg Information Information**(Note 4)|
|---|---|---|---|---|---|
|||||||
|**Product**|**Compliance**|**Marking**|**Reel size(inches)**|**Tape width(mm)**|**Quantity per reel**|
|SD12-7|Standard|ZB|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** 

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ZB = Product Type Marking Code Line Denotes Pin 1 

1 of 5 **www.diodes.com** 

SD12 Document Number: DS31772 Rev. 8 - 2 

October 2015 © Diodes Incorporated 

**SD12** 

## **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**|**Conditions**|
|Peak Pulse Current|IPP|15|A|8/20μs, Per Figure 3|
|ESD Protection – Contact Discharge|VESD_Contact|±30|kV|Standard IEC 61000-4-2|
|ESD Protection – Air Discharge|VESD_Air|±30|kV|Standard IEC 61000-4-2|
|ESD Protection – Human Body Model|VESD_HBM|±16|kV|Standard IEC 61000-4-2|
|Electrical Fast Transients(EFT)||40|A|Standard IEC 61000-4-4|



## **Thermal Characteristics** 

|**Thermal Characteristics**|**Thermal Characteristics**|**Thermal Characteristics**|**Thermal Characteristics**|
|---|---|---|---|
|||||
|**Characteristic**|**Symbol**|**Value**|**Unit**|
|Package Power Dissipation (Note 5)|PD|350|mW|
|Thermal Resistance, Junction to Ambient (Note 5)|RθJA|500|°C/W|
|OperatingTemperature Range|TJ|-55 to +150|°C|
|Storage Temperature Range|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.)|**Electrical Characteristics** (@TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|
|---|---|---|---|---|---|---|
||||||||
|**Characteristic**|**Symbol**|**Min**|**Typ**|**Max**|**Unit**|**Test Conditions**|
|Reverse WorkingVoltage<br>~~eo~~|VRWM<br>~~eo~~|—<br>~~eo~~|—<br>~~eo~~|12.0<br>~~eo~~|V|—|
|Reverse Current (Note 6)<br>~~eo~~<br>~~PC~~|IR<br>~~eo~~<br>|—<br>~~eo~~<br>|—<br>~~eo~~<br>|1<br>~~eo~~<br>|μA<br>|VR= VRWM= 12.0V<br>|
|Reverse Breakdown Voltage (Note 6)<br>~~PC~~|VBR<br>|13.3<br>|—<br>|15.75<br>|V<br>|IR= 1mA<br>|
|Reverse Clamping Voltage<br>~~PC~~<br>~~eee~~|VCL<br><br>~~eeetel~~|—<br>|—<br>|19<br>|V<br><br>~~te~~|IPP= 5A, tp= 8/20μs<br>|
|||—<br><br>~~tel~~|—<br><br>~~tel~~<br>~~ld~~|25<br><br>~~ld~~<br>~~te~~||IPP= 15A, tp= 8/20μs<br>|
|Capacitance<br>~~Cee~~<br>~~eee~~|CT<br>~~Cee~~<br>~~eeetel~~|—<br>~~Cee~~<br>~~tel~~|—<br>~~Cee~~<br>~~tel~~<br>~~ld~~|150<br>~~Cee~~<br>~~ld~~<br>~~te~~|pF<br>~~Cee~~<br>~~te~~|VR= 0V, f = 1MHz<br>~~Cee~~|



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

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500<br>Note 5<br>400<br>SEEEEELE<br>CCECECECES<br>CACEELEEE<br>300<br>CENCELELTE<br>200<br>EEN CCE<br>NCEE<br>100<br>CECEER ECE<br>0 CCEEECPATEIE<br>0 40 80 120 160 200<br>TA, AMBIENT TEMPERATURE (°C)<br>Figure 1  Power Derating Curve<br>, POWER DISSIPATION (mW)<br>D<br>P<br>**----- End of picture text -----**<br>


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100 -NEEEEEE<br>75<br>AT<br>|<br>50<br>PET RET TT<br>PTTIN| Ec<br>25 TTT APT<br>ttt AE<br>0<br>PET<br>0 25 50 75 EE 100 125 IN 150 175 TO 200<br>TA, AMBIENT TEMPERATURE (°C)<br>Figure 2 Pulse Derating Curve<br>PEAK POWER OR CURRENT<br>PEAK PULSE DERATING % OF<br>**----- End of picture text -----**<br>


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SD12 Document Number: DS31772 Rev. 8 - 2 

October 2015 © Diodes Incorporated 

**SD12** [| 

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140<br>f = 1MHz<br>100 Peak Value Ipp 7 130120 COETTLLLLILL<br>\ EE EL<br>110 Nc<br>\ 100 KEELE ELL<br>Half Value I /2 90 PCEELEL ELLE<br>pp<br>80 CNECCCECCEEE<br>50<br>70<br>60<br>PND “PNET<br>50 PCCP ERECT<br>a See<br>8x20 Waveform 40<br>as defined by R.E.A.<br>0 0 20 40 60 300 FEELEL 2 4  ELL 6 8 10 12<br>Figure 3 Typical 8 x 20µs Pulse Waveformt, TIME (µs) VR, DC REVERSE VOLTAGE (V)<br>Figure 4 Typical Capacitance<br>1000 —— 100 SOOO]<br>a re A aS Aa a a GG OO<br>100<br>fff EEE Eee<br>———— ee rr I =<br>TA = 150°C<br>10 ——— Ff —— PEREwe<br>TA = 150°C TA = 125°C<br>1 TA = 25 ° C 10<br>Ft TA = 125°C Af fA _ ——_——<br>0.1 ONAL—WYT IEEP T A  = 0°C — if.a T A  = -55°C T A  = 25°C<br>TA = 85°C<br><==. ————= T A  = -40°C ICC<br>0.01<br>AI SE If POCCCEEEEeo<br>T A  = -55°C<br>0.001 (LAP UP Er TE _ 1<br>100 300 500 700 900 1100 1300 0 1 2 3 4 5 6 7 8 9 10 11 12<br>VF, INSTANTANEOUS FORWARD VOLTAGE (mV) VR, REVERSE VOLTAGE (V)<br>Figure 5  Typical Forward Characteristics<br>Figure 6  Typical Reverse Characteristics<br>10<br>IN<br>a I<br>1 PMN MET Tl<br>EttPI CSSSE<br>EDT NE PT<br>0.1<br>STTTI<br>SE<br>en<br>LATE ETT<br>0.01 EE VUUNME ELLIE LATIN | EET<br>0.1 1 10 100 1000<br>TP, PULSE WIDTH (µs)<br>Figure 7 Pulse Rating Curve<br>, TOTAL CAPACITANCE (pF)<br>C<br>T<br>)pp<br>, PEAK PULSE CURRENT (%I<br>P<br>IP<br>, LEAKAGE CURRENT (nA)<br>IR<br>F<br>, INSTANTANEOUS FORWARD CURRENT (mA)<br>I<br>, PEAK PULSE POWER (kW)<br>PK<br>P<br>**----- End of picture text -----**<br>


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SD12 Document Number: DS31772 Rev. 8 - 2 

October 2015 © Diodes Incorporated 

**SD12** 

## **Package Outline Dimensions** 

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

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||||||||||
|---|---|---|---|---|---|---|---|---|
|A2|
|A1|SOD323|
|Dim|Min|Max|Typ|
|A1|--|0.10|0.05|
|a|
|A2|1.00|1.10|1.05|
|c|FSN|L|zltk~|4|b|0.25|0.35|0.30|
|He|c|0.10|0.15|0.11|
|E|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|--|
|b|D|All Dimensions in mm|
|oF|

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## **Suggested Pad Layout** 

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

X1 Y X ~~Be~~ 

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

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SD12 Document Number: DS31772 Rev. 8 - 2 

October 2015 © Diodes Incorporated 

**SD12** 

## **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 © 2015, Diodes Incorporated 

**www.diodes.com** 

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

SD12 Document Number: DS31772 Rev. 8 - 2 

October 2015 © Diodes Incorporated