Dell Vostro 14 5459 EC firmware, the embedded controller image, in a 4.00 MB file. The EC handles power sequencing, charging, keyboard and fan control, so a corrupted EC…

Zip archive of 3.52 MB whose name refers only to 4540s, most likely an HP ProBook 4540s, with no board number, version or contents listed.

Microchip datasheet for the PIC18F1220 and PIC18F1320, 18-pin PIC18 flash microcontrollers, about 5.48 MB.

Short 279 KB PDF datasheet for the Microchip PIC16C5xx family of baseline microcontrollers.

Family manual for the Atmel AVR XMEGA D series, a 5.25 MB PDF describing the core, memories, clock system, power management, ports, timers, communication peripherals…

Datasheet PDF identified only by a document number, doc6020, at 115 KB; the name does not say which component it describes.

Gigabyte Z490 AORUS MASTER schematic for board revision 1.1, delivered as a 3.5 MB PDF.

MSI firmware image for the MS-17K21 motherboard, version 1.0, which follows MSI's own in-house board numbering used on its laptops.

Boardview content exported to PDF for the Lenovo Ideapad 100-15, built on the Compal LA-C771P motherboard.

Firmware binary of 32 MB with an uninformative name, builds.BIN, that gives no model, board number or version.

Zip archive with software for the ZEED5 receiver, version V8.29, built 26 October 2021, roughly 10.3 MB.

PDF schematic for the SM6375 chip, carrying an SM63 family suffix in its name and measuring 1.51 MB. The handset or board it came from is not given.

HCF4050 reference document in PDF format, 175 KB, covering the 4050 hex non-inverting buffer in its HCF-prefixed version.

Reference PDF for the CD4094, an eight-stage shift-and-store bus register from the CMOS 4000 series, as the name notes it is a shift register.

At 198 KB, the PDF for the 2SD1658 is one of the larger sheets in this group, though it still names only the part.

Short 54.7 KB PDF for the 2SD1991A, an NPN bipolar transistor going by its JIS 2SD prefix. The index lists it under schematics.

Part reference for the 2SK2782, delivered as a 419 KB PDF under the schematic label. The 2SK prefix follows Japanese JIS numbering for N-channel field-effect…

PDF reference for the 2SK2749 transistor, 412 KB, stored in the schematic section. Under Japanese JIS numbering the 2SK prefix identifies an N-channel field-effect…

The 2SK2718 is documented in a 412 KB PDF that the catalogue files under schematics, though by its name it is a component datasheet.

Reference sheet for the 2SK937 transistor, a 79.9 KB PDF. Parts in the 2SK range are N-channel field-effect transistors under the Japanese JIS designation.

Brief 24.7 KB PDF for the 2SJ0398, written with a leading zero in the name, which most likely refers to the 2SJ398 P-channel FET in JIS numbering.

The name of this 92.4 KB PDF consists only of 2SJ255, a Japanese JIS designation where 2SJ marks P-channel FETs.

Named only 2SJ232, this 88.9 KB PDF relates to a P-channel field-effect transistor, as indicated by the JIS 2SJ prefix.

For the 2SD1011, this 42.1 KB PDF carries an _E tag in the name with no stated meaning.

Here is the 2SC5242 documentation as a 173 KB PDF, placed in the schematic category but evidently a part datasheet going by its name.

The 2SC5238 is covered by this 105 KB PDF, filed among schematics but named like a discrete-component datasheet.

The 2SC5567 transistor is the subject of this 49.6 KB PDF, which the catalogue lists as a schematic.

PDF document for the 2SC5785, filed in the index as a schematic, though the part number follows the Japanese JIS scheme where the 2SC prefix marks an NPN bipolar…

A PDF for the 2SC5464FT, 125 KB, indexed as a schematic. The FT suffix appears to denote a specific package or variant of the 2SC5464 NPN transistor, but the name does…

The 119 KB PDF titled 2SC5052 sits in the schematic category, though its name is a JIS part number for an NPN bipolar transistor and the content is most likely a…

A 39.2 KB PDF for the 2SC3956 transistor, indexed as a schematic but by its name a datasheet for a JIS-designated NPN bipolar device.

Compact 39.7 KB PDF named 2sc4849, written in lowercase but following the Japanese JIS pattern where 2SC denotes an NPN transistor.

By Japanese JIS numbering the 2SB643 is a PNP bipolar transistor, so this 44.2 KB PDF labelled as a schematic should be its datasheet, with _E probably marking an…

PDF for the 2SA1701, a JIS-coded semiconductor; the index lists it as a schematic, yet a bare part number like this is almost always a manufacturer datasheet.

PDF of about 151 KB referencing the 2SA1353 transistor. It is filed as a schematic, but the bare part-number name indicates a component datasheet.

PDF reference of 43.6 KB covering the 2SA1258. No device, board or revision is mentioned, only the component code, whose 2SA prefix denotes a PNP transistor in the…

Larger 440 KB PDF for the 2N7002, tagged Sam in the name, which likely refers to the issuing manufacturer, though the file does not spell it out.