component
ESD9C3.3ST5G
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onsemi ESD Protection Devices, SOD-923. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.md+55docs/esd9c3-3st5g-datasheet.pdf+2768docs/hero.pngesd9c3-3st5g-etched.glbesd9c3-3st5g-hero.glbesd9c3-3st5g-hero.overlay.json+133esd9c3-3st5g.glbesd9c3-3st5g.kicad_mod+345esd9c3-3st5g.kicad_sym+21esd9c3-3st5g.lbr+118esd9c3-3st5g.step+1031package.json+200page.json+206viewers/footprint.html+1viewers/symbol.html+1README.mdadded+55@@ -0,0 +1,55 @@+# ESD9C3.3ST5G++**onsemi** · ESD Protection Devices · SOD-923++ESD9C3.3ST5G from onsemi, in a SOD-923. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | CATHODE | passive | Cathode, marked by the polarity band on the SOD-923 package; the datasheet specifies this device for a 3.3 V working peak reverse voltage (VRWM) with ESD protection rated at ±8.0 kV contact and ±15 kV air per IEC 61000-4-2. |+| 2 | ANODE | passive | Anode of the ESD protection diode; the datasheet gives no pin-specific limit, and the device ratings (±8.0 kV contact, ±15 kV air per IEC 61000-4-2, total power dissipation 150 mW at TA = 25°C, junction and storage temperature −55 to +150 °C) apply to the device. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | SOD-923 |+| Category | TVS/Fuse/Board Level Protection |+| Pins | 2 |++## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Working Peak Reverse Voltage | VRWM | | | 3.3 | V | | 2 |+| Maximum Reverse Leakage Current | IR | | | 1 | A | @ VRWM | 2 |+| Breakdown Voltage | VBR | 5 | | | V | @ IT = 1.0 mA | 2 |+| Max. Capacitance | C | | 12.8 | 13 | pF | @ VR = 0 and f = 1 MHz | 2 |+| Forward Voltage | VF | | | 1.1 | V | @ IF = 10 mA | 2 |+| IEC 61000-4-2 ESD Contact | | -8 | | 8 | kV | IEC 61000-4-2 contact | 1 |+| IEC 61000-4-2 ESD Air | | -15 | | 15 | kV | IEC 61000-4-2 air | 1 |+| Total Power Dissipation on FR-5 Board | PD | | | 150 | mW | FR-5 board (Note 1) @ TA = 25°C | 1 |+| Junction and Storage Temperature Range | TJ, Tstg | -55 | | 150 | °C | | 1 |+| Lead Solder Temperature - Maximum | TL | | | 260 | °C | 10 second duration | 1 |++## CAD (KiCad official)++- Symbol: `ESD9C3.3ST5G`+- Footprint: `Diode_SMD:D_SOD-923`+- 3D model: SOD-923 (KiCad packages3D, STEP)+- 3D model files: `esd9c3-3st5g-etched.step` / `esd9c3-3st5g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esd9c3-3st5g.step` / `esd9c3-3st5g.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/esd9c3.3st5-d.pdf) (5 pp, sha256 `be840c813c67f972`, retrieved 2026-10-30, tier: manufacturer)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/esd9c3-3st5g-datasheet.pdf)
docs/esd9c3-3st5g-datasheet.pdfadded+2768@@ -0,0 +1,2768 @@+%PDF-1.4+%����+1 0 obj+<<+/Type /Catalog+/Version /1.6+/Pages 2 0 R+/Metadata 3 0 R+/PageLabels 4 0 R+>>+endobj+5 0 obj+<<+/Author (ON Semiconductor)+/CreationDate (D:20200921122236-07'00')+/Creator (BroadVision, Inc.)+/Keywords ()+/ModDate (D:20200929151913+02'00')+/Producer (Acrobat Distiller 20.0 \(Windows\))+/Subject <546865204553443943332E3353543547205365726965732069732064657369676E656420746F2070726F7465637420766F6C746167652073656E7369746976650A636F6D706F6E656E74732066726F6D204553442E20457863656C6C656E7420636C616D70696E67206361706162696C6974792C206C6F77206C65616B6167652C20616E640A6661737420726573706F6E73652074696D65206D616B6520746865736520706172747320696465616C20666F72204553442070726F74656374696F6E206F6E2064657369676E730A776865726520626F6172642073706163652069732061742061207072656D69756D2E2042656361757365206F662069747320736D616C6C2073697A652C206974206973207375697465640A666F722075736520696E2063656C6C756C61722070686F6E65732C20706F727461626C6520646576696365732C206469676974616C2063616D657261732C20706F7765720A737570706C69657320616E64206D616E79206F7468657220706F727461626C65206170706C69636174696F6E732E>+/Title <4553443943332E3353202D204553442050726F74656374696F6E2044696F64652C204D6963726F8A5061636B616765642044696F64657320666F72204553442050726F74656374696F6E>+>>+endobj+2 0 obj+<<+/Type /Pages+/Kids [6 0 R 7 0 R 8 0 R 9 0 R 10 0 R]+/Count 5+>>+endobj+3 0 obj+<<+/Length 4122+/Subtype /XML+/Type /Metadata+>>+stream +<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d"?>+<x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="Adobe XMP Core 5.6-c017 91.164464, 2020/06/15-10:20:05 ">+ <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">+ <rdf:Description rdf:about=""+ xmlns:pdf="http://ns.adobe.com/pdf/1.3/"+ xmlns:xmp="http://ns.adobe.com/xap/1.0/"+ xmlns:dc="http://purl.org/dc/elements/1.1/"+ xmlns:xmpMM="http://ns.adobe.com/xap/1.0/mm/">+ <pdf:Producer>Acrobat Distiller 20.0 (Windows)</pdf:Producer>+ <pdf:Keywords/>+ <xmp:CreatorTool>BroadVision, Inc.</xmp:CreatorTool>+ <xmp:ModifyDate>2020-09-29T15:19:13+02:00</xmp:ModifyDate>+ <xmp:CreateDate>2020-09-21T12:22:36-07:00</xmp:CreateDate>+ <xmp:MetadataDate>2020-09-29T15:19:13+02:00</xmp:MetadataDate>+ <dc:format>application/pdf</dc:format>+ <dc:title>+ <rdf:Alt>+ <rdf:li xml:lang="x-default">ESD9C3.3S - ESD Protection Diode, Micro−Packaged Diodes for ESD Protection</rdf:li>+ </rdf:Alt>+ </dc:title>+ <dc:creator>+ <rdf:Seq>+ <rdf:li>ON Semiconductor</rdf:li>+ </rdf:Seq>+ </dc:creator>+ <dc:description>+ <rdf:Alt>+ <rdf:li xml:lang="x-default">The ESD9C3.3ST5G Series is designed to protect voltage sensitive
components from ESD. Excellent clamping capability, low leakage, and
fast response time make these parts ideal for ESD protection on designs
where board space is at a premium. Because of its small size, it is suited
for use in cellular phones, portable devices, digital cameras, power
supplies and many other portable applications.</rdf:li>+ </rdf:Alt>+ </dc:description>+ <xmpMM:DocumentID>uuid:e5ea2dd9-7777-485f-b93a-4138eb7a2ecc</xmpMM:DocumentID>+ <xmpMM:InstanceID>uuid:ef6fc029-cedb-495e-ba0d-c3bda86c904a</xmpMM:InstanceID>+ </rdf:Description>+ </rdf:RDF>+</x:xmpmeta>+ + + + + + + + + + + + + + + + + + + + + +<?xpacket end="w"?> +endstream+endobj+4 0 obj+<<+/Nums [3 11 0 R 4 12 0 R]+>>+endobj+6 0 obj+<<+/Annots [13 0 R 14 0 R 15 0 R]+/Contents [16 0 R 17 0 R 18 0 R 19 0 R 20 0 R 21 0 R 22 0 R 23 0 R]+/CropBox [0.0 0.0 612.0 792.0]+/MediaBox [0.0 0.0 612.0 792.0]+/Parent 2 0 R+/Resources 24 0 R+/Rotate 0+/Type /Page+>>+endobj+7 0 obj+<<+/Annots [25 0 R 26 0 R 27 0 R 28 0 R 29 0 R 30 0 R 31 0 R 32 0 R 33 0 R 34 0 R]+/Contents 35 0 R+/CropBox [0.0 0.0 612.0 792.0]+/MediaBox [0.0 0.0 612.0 792.0]+/Parent 2 0 R+/Resources 36 0 R+/Rotate 0+/Type /Page+>>+endobj+8 0 obj+<<+/Annots [37 0 R]+/Contents 38 0 R+/CropBox [0.0 0.0 612.0 792.0]+/MediaBox [0.0 0.0 612.0 792.0]+/Parent 2 0 R+/Resources 39 0 R+/Rotate 0+/Type /Page+>>+endobj+9 0 obj+<<+/Contents [40 0 R 41 0 R 42 0 R 43 0 R 44 0 R 45 0 R 46 0 R 47 0 R]+/CropBox [0.0 0.0 612.0 792.0]+/MediaBox [0.0 0.0 612.0 792.0]+/Parent 2 0 R+/Resources 48 0 R+/Rotate 0+/Type /Page+>>+endobj+10 0 obj+<<+/Annots [49 0 R]+/Contents [50 0 R 51 0 R 52 0 R 53 0 R 54 0 R 55 0 R 56 0 R 57 0 R]+/CropBox [0.0 0.0 612.0 792.0]+/MediaBox [0.0 0.0 612.0 792.0]+/Parent 2 0 R+/Resources 58 0 R+/Rotate 0+/Type /Page+>>+endobj+11 0 obj+<<+/S /D+>>+endobj+12 0 obj+<<+/S /D+>>+endobj+13 0 obj+<<+/Border [0 0 0]+/Dest [6 0 R /XYZ null null null]+/Rect [86.513 295.937 90.935 303.647]+/Subtype /Link+/Type /Annot+>>+endobj+14 0 obj+<<+/Border [0 0 0]+/Dest [7 0 R /XYZ null null null]+/Rect [453.77 257.556 457.625 264.246]+/Subtype /Link+/Type /Annot+>>+endobj+15 0 obj+<<+/A 59 0 R+/Border [0 0 0]+/Rect [418.167 610.129 493.852 618.746]+/Subtype /Link+/Type /Annot+>>+endobj+16 0 obj+<<+/Length 993+/Filter /FlateDecode+>>+stream +H�tUMs�6�鑿b�dǂ�N���k�q7�L� +���+$e5=��g�����/�Z����풨�"����+G`�ç�@a]ޭ�G��}�0�_���L�PD��?n"Q0�3TG���M]�2�/w��1$'Rd+Ҝ�\(������:F�OI�%�,K.2B�Rx����,�A�6���v{��n����ִ�o��8 pu��t�2���\xN2�r���Q�.wrώѧxm��43$�;LN!�\�s��JgyH�\ί���o/葬a�C�P�K��͓�)b�SpF�B����B����+�r�g��<+|����Vz�]������엗eD0�a��Y�^qެ�������k��D���IAqAͤ�����Z��$���T>�d�����fQxN���/��cs��ֱPm�n�jn��.��z��;�˓~��)�t��AW_��l�Kc�i�x�ǰ�1`i��aXj��ܔѷH�#�R"p�ĵx��y�������IJ8E�Ϊ�㊓�����3����R�,+X�P�f���������7�ެ�6��X�(��RH"d᧙0�X�|4����%�P4�o����<u���B��M;��>�H^`�Ώ��a0���4� K��>]� ��U��Ə��u��v�����v��H�P��z��z��g��,L�N�6eD���d����G���z��c�F���y)��C��s�ǥ��ԏ�f0IFX�N[{]���@#+��CC������X�]�0ڿ1a;���`'sΜ��.wѶ��8�z������wä7����l�l��NXE�3hrĭ7��}Bղ�����5�5a�i���6�w�P��̡]TX<#y57Tq�i&%�R�.�j�uo*�[Vح�����a<8��3� �����?�j����Z����W�ˀ�{�h�+�P�B��*I8������ �܅ +endstream+endobj+17 0 obj+<<+/Length 644+/Filter /FlateDecode+>>+stream +H��TMO�0=���b��T\;F��!Z��ؔCKѮR�l�����;N6�4�؊�=ϼyc�Oq��A��Xb�@!>��g69��-����mQ�Fm��T0 �<}�k�(+�(K����DH�!�[��O��f��P0�pky�ë���ϓ��E��Y�/��nB&(1A��ɝ�_�͇"���C=�$���TX��4O�>���Z�YZ88IsWTiYT������=\��o*�Pa{�q¥jU>��!�F|� �k�d��"��G�~q��6`�B�7���ná�RN��bLo;�F����hx�һ�zߗ�t�v��S�}���IS\&���dd �c+�B��Q+�N�����+��)%:U�7�5~b�Eȥ_��g[�� Bf� Ø�! 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