Schematic diagram in PDF for the Lenovo ThinkPad T420s, roughly 1.16 MB. The name gives no board number or revision, so confirm the motherboard version against the…

Schematic in PDF for the ThinkPad SL410, with the name listing the board codes GC2A-0622, GC1A and CG1B, likely covering related board variants.

Sony board MBX-226 schematic, labelled M9A0 with an MP suffix that usually marks a mass-production release.

Circuit diagram for the Lenovo ThinkPad R61 on the DAV3 GENBU5W board design, revision 5.13, in PDF form at about 1.28 MB.

Specification sheet in PDF format, 43.9 KB, for the 2SD2177A, the A-suffixed variant of the 2SD2177, with an additional _E tag in the name.

Optocoupler datasheet for the 4N29, with the name indicating revision 4x, supplied as a PDF of roughly 287 KB.

Reference document for the 2SK2793, a 141 KB PDF catalogued under schematics. The 2SK designation in the Japanese JIS system denotes an N-channel field-effect…

Named 2SD1350_E, this 44.0 KB PDF sits in the schematic category but most likely holds the datasheet for the 2SD1350, an NPN low-frequency bipolar transistor under…

UTC datasheet covering the 2SD882L, a variant of the widely used 2SD882 NPN transistor, stored as a small PDF of about 24 KB.

Documentation for the base 2SC5265 part, a 112 KB PDF in the schematic category. Under JIS designations 2SC stands for an NPN bipolar transistor; a separate LS-suffixed…

A 187 KB PDF named after the 2SC4408 part number and listed in the schematic category. JIS numbering uses 2SC for NPN bipolar transistors, so treat the file as a…

Filed in the schematic section, this 156 KB PDF is named for the 2SC4135, which by JIS convention is an NPN bipolar transistor, so expect a component datasheet inside.

Part number 2SC4124 names this 98.7 KB PDF, which is labelled a schematic but, given the JIS-style designation for an NPN bipolar transistor, should be that part's…

Listed under schematics, this 36.9 KB PDF belongs to the 2SC5538, which the Japanese JIS prefix identifies as an NPN bipolar transistor.

A small 28.7 KB PDF identified only by the code 2SC5680, a number of the Japanese 2SC family of NPN bipolar transistors.

Covering the 2SC3811, this 45.7 KB PDF has an _E suffix in its name, which is not explained and may denote an edition or English version.

Datasheet-style PDF named for the 2SC5322, 122 KB, though the catalogue labels it a schematic.

PDF of 309 KB for the 2SC1815L, an L-suffixed version of a JIS-numbered NPN bipolar transistor, filed under schematics.

The 2SB710 named in this 44.1 KB PDF is a PNP transistor by JIS numbering, which suggests a component datasheet despite the schematic category; _E most likely marks the…

Reference sheet for the 2sb1561, a PNP bipolar transistor according to the JIS 2SB prefix, provided as a 38.7 KB PDF.

UTC version of the 2SB772 documentation, a 22.5 KB PDF; UTC very likely stands for Unisonic Technologies.

Datasheet PDF of only 13.5 KB for the 2SA684 transistor, marked UTC, which indicates the Unisonic Technologies edition of this part.

A 195 KB PDF labelled 2SA2060, a part number in the Japanese JIS system where 2SA denotes a PNP bipolar transistor.

Datasheet covering the 2SA1806, stored as a 44.6 KB PDF whose name carries an E suffix, probably indicating an edition or language version of the document.

Catalogued among schematics, this 254 KB PDF is titled with the JEDEC part number 2N5630 plus an RE suffix of uncertain meaning.

Part datasheet for the 2N5307, a 57.5 KB PDF classified as a schematic in this catalogue.

An 86.7 KB PDF for the 2N3903 with a Sam tag in parentheses, which may indicate a particular manufacturer's edition, although the name does not spell it out.

A 71.2 KB PDF with data for the 2N2222, filed with schematics in this index. The 2N2222 is a staple NPN small-signal transistor used for switching relays, LEDs and logic…

The 1SV328 is covered by this 71 KB PDF, filed under schematics in the index. The prefix follows the JIS semiconductor naming used for diodes, and Toshiba's 1SV parts…

Covering the 1SV322, this 71 KB PDF is indexed as a schematic but is most likely the component data sheet.

Datasheet of 243 KB in PDF for the 93C46B, a 1 Kbit serial EEPROM of the 93-series Microwire family; the B suffix generally identifies a version with fixed word…

A 163 KB PDF filed as a schematic and named 28F010 followed by an underscore, likely a second edition or vendor version of the same device sheet.

Alternative 135 KB PDF for the 25C02 code, its name differing from the other 25C02 sheet only by a trailing underscore.

Schematic PDF for a board identified as UL50AT, 1.23 MB in size. The name gives no revision or brand, so check the title block inside the document for the board version.

MSI schematic in PDF form for board MS-17E71. MSI uses its own MS- numbering, where the digits identify the project and the last digit the board version.

Circuit diagram in PDF for the Foxconn 661M07 desktop motherboard, a model code consistent with the SiS 661 chipset, catalogued under the ECS brand.

Main document for the subwoofer 7294 design, version 1.1, a 138 KB PDF without a further descriptor in its name.

Mirrored version of the Apex AX 20 copper-side layout, a small 62.3 KB PDF. The reversed image is meant for toner-transfer or photoresist methods, where the pattern must…

Samsung Galaxy S20 schematic diagram for model SM-G780F, an 8.14 MB PDF. Phone schematics like this show power management, charging, display, camera and radio circuits…

PDF schematic for the Huawei Honor 10 Lite, model HL2HRYM, inside a 1.47 MB RAR. Smartphone diagrams of this type cover the PMIC, the charging path, battery connector…