A small 28.6 KB PDF, catalogued as a schematic, referenced by the transistor number 2SC2812N.

Document for the 2SA1619 in PDF form, 51.3 KB, catalogued under schematics though it concerns a single transistor.

The 2SA1539 part number gives this 41.0 KB PDF its name, and although it is filed under schematics it almost certainly holds the datasheet for that transistor.

This 41.1 KB PDF bears the part number 2SA1536 and, although indexed as a schematic, is best treated as the datasheet for a JIS-registered transistor.

Part number 2SB1209 with an _E suffix identifies this 42.6 KB PDF, filed under schematics though a single-part document of this kind is normally a datasheet.

Small 48.3 KB PDF covering the 2SA1323 transistor; the _E suffix in the name is not explained.

Part reference for the 2SA1208 as a 44.3 KB PDF, placed in the schematic category though nothing in the name goes beyond the component number; expect datasheet content.

PDF documentation for the 2SA1124, a JIS-numbered PNP bipolar transistor, with an _E suffix in the name and a size of 40.4 KB.

Datasheet for the 2N5415, a high-voltage PNP bipolar transistor, stored as a compact 45.3 KB PDF in the schematic section.

Part number 1SS312 is all this 123 KB PDF name reveals; no brand, laptop model or board revision is mentioned.

Datasheet for the 1N5405, a 500 V, 3 A silicon rectifier from the 1N5400 series, provided as a 43.4 KB PDF and indexed under schematics.

PDF datasheet for the 1N4007 general purpose silicon rectifier, 68.9 KB, catalogued in the schematic section.

Filed among schematics, this 91.7 KB PDF is named 2764 with nothing else to identify brand or board.

Classified as a schematic, this 143 KB PDF is named 444cnq035 and names no brand or device.

A 166 KB PDF named only for the 40TPS series, without a voltage suffix, so it likely covers the family as a whole rather than one grade.

The 10BQ040 sheet, an 85 KB PDF indexed as a schematic, belongs to a surface-mount Schottky rectifier family in International Rectifier style numbering.

Schematic PDF for PS-5161-1D1S, a code in the style of a power supply model, 1.15 MB in size.

PDF schematic covering the Lenovo IdeaPad Y410, around 1.02 MB in size. The file name carries no motherboard number or revision, so verify the board identity on the…

Schematic PDF for the Quanta G7HA motherboard, board number DAG7HAMB8E0, compact at 1.25 MB.

Portuguese PDF on the main rails or networks of a smartphone, converted from another format, 253 KB, with no model or brand named.

Product specification document, a 2.99 MB PDF, with a generic name that does not identify the device or manufacturer.

Schematic archive for the Gigabyte GA-B85M-D3H, marked 2.0 in the name, likely the revision, in PDF format.

Bottom copper layout for the universal dos vas Matrix board, probably a dual voltage amplifier stage module, tagged langsung print for direct printing.

Diagram of a 2.1 preamplifier joined to an audio power amplifier, taken from a YouTube project; the doubled pdf extension is just a naming slip.

Spanish-language electronics series El mundo de la electronica, issue 18, around 1010 KB as a PDF.

PDF schematic for the Jetway 693AS motherboard, approximately 458 KB, with no revision indicated in the name.

Schematic diagram and block diagram for the Acer Aspire 4315 and 4715, built on the Wistron Volvi2 board, revision 1, in a 703 KB RAR.

PDF of 2.02 MB catalogued as a schematic, but the name sluuba6 says nothing about the device.

PDF schematic for the Lenovo K4 Note smartphone, model A7010a48, about 1.5 MB in size. Phone schematics show the PMIC, charging circuit, display and camera connectors…

Topstar N01 schematic, revision B, dated 01 September 2008 according to the name, a 1.05 MB PDF. The date helps distinguish it from earlier revisions of the same board.

Samsung SM-A910F disassembly document in PDF form, 1.51 MB. The name indicates step-by-step teardown instructions rather than circuit diagrams, covering removal of the…

PDF schematic for the Samsung SM-G930F, sized at 3.71 MB. No board revision or additional variant information appears in the name.

Service schematic PDF for the Samsung Galaxy J7 handset with model code SM-J730FM, 3.34 MB in size.

Nokia 6650 circuit diagrams in a 474 KB PDF document, for one of the early 3G WCDMA handsets.

PDF schematic for the IBM ThinkPad R31, around 1022 KB. No board number, revision or hardware variant appears in the name, so identification rests on the model alone.

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

Compact 38 KB PDF datasheet for the 2SD2142K, an NPN transistor named in the Japanese JIS scheme, where the trailing letter marks a specific package or variant.

The smallest of this group at 23.0 KB, this PDF covers the 2sk2474, a JIS-numbered N-channel FET.

The 2SK2350 is identified here only by its part number, in a 417 KB PDF catalogued as a schematic.

Datasheet-type PDF of 419 KB named after the 2SK2314. The 2SK prefix in the Japanese JIS designation identifies an N-channel field-effect transistor, so this…