Top silkscreen layer for the Apex AA9 board, marked as MD revision 2, in a 58.7 KB PDF.

Rar archive of 1.05 MB for the Topstar N01 model, revision B, dated 01 September 2008 according to the name.

PCB artwork for the top side of an R2 class power amplifier rated around 500 watts into a 4 ohm load, saved as a 177 KB PDF.

Top-side PCB print for a Matrix i4 amplifier rated 250 watts into 4 ohms, tagged langsung print, Indonesian for print directly.

Topic 4 of a Spanish mobile repair course, explaining how to identify the parts of a smartphone, as a 404 KB PDF identical in size to the unnumbered copy.

Datasheet numbered 6280, a 328 KB PDF with an uninformative name that states no part number or brand. The device can only be identified by reading the document header.

PDF of about 41.4 KB covering the 5LN01S, catalogued as a schematic but most likely a component datasheet.

Generic PDF datasheet of 326 KB whose name says nothing about the component, manufacturer or part number, so you must open it to find out what it covers.

Datasheet PDF of 426 KB identified only as doc6318, so the file name gives no clue about the component.

Component datasheet in PDF form, 346 KB, identified only by the document number 6224 in its name.

PDF datasheet covering the 2SB1651 PNP transistor, 40 KB. The _E suffix most likely denotes an English edition of the manufacturer document, though the file name does…

A 293 KB PDF filed under schematics and titled 28F001, which belongs to the 28F flash memory family, usually a 1 Mbit boot block device.

PDF of 187 KB carrying only the name Richtek, a maker of power management ICs such as PWM controllers, buck regulators and charger chips common on laptop and desktop…

Richtek Technology RT9618 datasheet in PDF, approximately 473 KB. Richtek RT-series chips are common in laptop and motherboard power circuits, and this document provides…

Spanish electronics series El mundo de la electronica, issue number 23, provided as a 1.18 MB PDF.

Labelled 1SS268, this 126 KB PDF appears to be a datasheet for a single component even though the index lists it as a schematic.

Short 23.8 KB PDF datasheet for the SM5872AS-ET component. Apart from the part number, which appears to include suffix letters that usually encode package or grade, the…

Schematic in PDF form for the MIP390D, a board associated with Megmeet, an electronics maker known for power supply and display power modules.

Datasheet for the SM3307PSQG component, provided as a 256 KB PDF. The name gives only the part code, so the device type and ratings must be taken from the document…

Datasheet for the ON Semiconductor NCP81218, a fairly large 2.83 MB PDF. NCP812xx parts are multiphase controllers used in CPU and GPU core voltage regulators.

Here is a 570 KB PDF catalogued as a schematic whose name is simply 28010, without any brand or board identifier.

Service manual for LG washing machine model WFT902, also written WF-T902, supplied as a 2.57 MB PDF. The WF prefix points to an LG top-loading washer.

Excelliance MOS datasheet for the B09N03, delivered as a 226 KB PDF. The part numbering suggests an N-channel MOSFET, so expect pin assignments, drain-source voltage…

Boardview of the ASUS K53SV laptop motherboard, revision 3.1, inside a RAR archive of about 200 KB.

Datasheet for a DDR4 ECC unbuffered 288-pin DIMM family identified by the part pattern PS9MUxx72x8xxx, a 1.28 MB PDF.