Schematic PDF, 1.05 MB, labelled only U5A, with no brand or revision given. The document should open in any PDF viewer.

A 205 KB PDF bearing only the part number 2SC2710, catalogued as a schematic but most likely a component datasheet.

Component PDF for the 2N6847, 130 KB, indexed under schematics. The name holds only the JEDEC number, without a manufacturer, suffix or revision, so identify the source…

Compact 35.0 KB PDF datasheet for the 1N3595 part, indexed under schematics. The name carries no manufacturer or revision information, so check the document header for…

Graphics card boardview for the EAH6470M HM1GD3, PCB revision 1.01. The HM1GD3 part suggests 1 GB of DDR3 memory, and the EAH prefix matches ASUS naming for AMD Radeon…

Schematic of a 2.1 channel amplifier based on the TDA2030A, from Technical Mriganka, in a 416 KB PDF.

Datasheet distributed as a 172 KB PDF and named SDZS001A, a document code with a letter suffix that typically signals a revised edition.

Michaels International diode equivalents guide, a large 8.42 MB PDF catalogued here as a schematic but actually a cross-reference book.

ASUS BIOS update file for the K43SD series, where the .206 extension marks firmware version 206, following ASUS naming practice.

Schematic in PDF for an HP laptop on Quanta board G34A, number DAG34AMB6D0, in a 1.78 MB RAR archive.

CD4017 document in PDF form, 81.0 KB, for the CMOS decade counter with ten decoded outputs.

Catalogued as a schematic, this 31.8 KB PDF is named 2SK1443LS, pointing to a suffixed variant of the 2SK1443. The name does not clarify the LS suffix.

Datasheet document, by all indications, for the 2SJ189, a JIS-registered P-channel FET, held as an 83.5 KB PDF in the schematic section.

PDF datasheet material for the 2SD1194 transistor, about 138 KB, catalogued here under schematics.

Part number 2SA1533 names this 51.3 KB PDF, with an unexplained _E suffix; despite the schematic category it is presumably the transistor datasheet.

Datasheet-type PDF for the 2SA1939, roughly 170 KB, catalogued here as a schematic. The filename names only the component; the JIS 2SA prefix marks it as a PNP bipolar…

Datasheet in PDF form, 162 KB, covering the 43CTQ080 part, catalogued here as a schematic.

Reference PDF for the BQ24753A, a Texas Instruments charge controller part number commonly found on laptop motherboards, filed here at 2.06 MB.

Acer schematic in PDF for Inventec motherboard 6050A2292101, compressed into a 1.56 MB RAR.

Archive for the Dell Studio 1450 and 1458, labelled unprotected, which most likely means the enclosed PDF schematic has no password or editing restrictions.

Datasheet for the MQ-3 gas sensor, a tin dioxide semiconductor sensor sensitive to alcohol vapour, widely used in breathalyser kits and hobby modules.

BIOS dump that the name ties to the HP Pavilion dv9500 series, with a trailing 2 that likely marks a second copy or variant.

PDF reference for the Arduino Mega 2560 board, 6.76 MB, labelled as its datasheet. Its large size suggests it includes the ATmega2560 microcontroller documentation or…

Compact 27 KB PDF named 5HP01M, catalogued as a schematic but pointing to a single semiconductor component.

Datasheet-style PDF of 27.2 KB for the 2SK2682, a JIS-designated N-channel FET; it is listed under schematics but describes a single component.

The largest of this group at 186 KB, this PDF documents the 2SB1067 transistor and is catalogued as a schematic.

The name gives just 2N5638, so this 26.3 KB PDF has no board, device or revision information.

At 616 KB, 1B31.pdf is the largest of the 1B-coded files and is listed as a schematic, yet its name says nothing about device, maker or board revision.

ASUS UX305CA BIOS file with a .300 extension, 8.00 MB in size, a format typical of ASUS firmware updates where the extension reflects the BIOS version, here apparently…

Datasheet with literature number SDLS154, a compact 219 KB PDF. The name tells nothing about the specific chip; the SDLS code pattern is that of Texas Instruments logic…

Schematic for an Intel H61 desktop motherboard identified in the name as H61MXE, with H61M06 also listed, in PDF form within a 1.35 MB RAR archive.

Firmware file named R61i, about 2.01 MB. The slightly odd size suggests a 16 Mbit SPI chip image with a small header or extra data appended, so it may need trimming to…

One of several numbered BIOS copies for the ASUS K55V, here an 8 MB raw image. The name gives no board revision, GPU or working status, so treat it as unverified until…

PDF schematic for the Quanta 0P9 motherboard DA0P9MB16D0, a version with SO-DIMM memory slots, in a 1.78 MB rar.