PDF documentation for the 2SK1731 discrete semiconductor, roughly 90 KB in size. Japanese 2SK numbering identifies it as an N-channel FET; the name says nothing about…

Datasheet-type file for the 2SK1464 N-channel field-effect transistor, 120 KB in PDF form and indexed as a schematic.

Covering the 2SK1435, this 105 KB PDF is indexed as a schematic yet named after one discrete component, which suggests a 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.

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

Component reference for the 2SC3963, supplied as a 193 KB PDF in the schematic category.

A 100 KB PDF reference for the 2SC4919 transistor, catalogued as a schematic. The 2SC prefix follows the JIS convention for NPN bipolar transistors; manufacturer and…

Reference PDF covering the 2SB1530 transistor, filed under schematics but in practice a component datasheet identified only by its JIS part code.

Reference for the 2SA1497 transistor in an 88.3 KB PDF, catalogued as a schematic. The JIS 2SA prefix marks it as a PNP device.

Data sheet style PDF, 95.9 KB, named for the 2SA1470 and indexed as a schematic. The 2SA prefix under the Japanese JIS scheme identifies a PNP bipolar transistor.

Small 35.7 KB PDF for the 2SB1073; the _E suffix in the name is not explained and may mark a language edition or document version.

The 2SB817P is documented in this 30.5 KB PDF, listed with schematics. The 2SB portion follows the JIS system for low-frequency PNP transistors, while the P suffix is…

Small 24.1 KB PDF for a 2SB772S, with UTC in the name, which most likely refers to Unisonic Technologies, a maker of discrete transistors.

PDF datasheet of 136 KB for the 2N3442, catalogued under schematics; the RE suffix in the name is not explained and may identify a revised copy.

Named 89cnq135a, this 202 KB PDF is listed as a schematic but most likely is a datasheet for a dual Schottky rectifier module of the CNQ type, with 135 normally…

Filed among schematics, this 206 KB PDF is named 82CNQ030A, a code in the International Rectifier dual Schottky diode format, with an A suffix that denotes a variant of…

PDF of 127 KB filed among schematics and named 403CMQ080. The name does not identify any device or motherboard and instead follows the pattern of a power semiconductor…

RAR archive named W510TU with an ESM suffix, 6.11 MB in size. The name does not state the brand, board revision or what ESM refers to, so open the package and identify…

Schematic PDF, 1.16 MB, named Tin Yat 80A. Tin Yat appears to be a project code name, with 80A as a variant or revision marker, though the name does not state a brand.

Schematic PDF, 1.14 MB, named t43_2. The trailing 2 may indicate a second part of a split document or a second version, which the name does not clarify.

RAR archive labelled for the Quanta G7BD board design, 3.37 MB in size. The name carries just the project code, without a board number, revision or indication of…

Service archive for the HP dv5 AMD variant, tagged QT8, a Quanta platform code, packed as a 758 KB ZIP.

Schematic archive named A217F.M, a 760 KB ZIP, with no brand recorded; the code resembles a smartphone model number, but the name states nothing further.

Dump archive for the Samsung PS43D450A2WXRU plasma TV on main board BN41-01632C, combined with the S42AX-YB11 panel.

PDF named RTS545X, which refers to a Realtek RTS545x series chip, commonly a USB Type-C power delivery controller; the name gives no board or device.

ZIP archive of 63.3 KB named only EC, so the device, board and version are not stated. The name and small size suggest embedded controller firmware, which handles power…

Small zipped firmware file of 132 KB for the ThinkPad T490, named as MEC, which points to the embedded controller firmware for a Microchip MEC-series EC.

Circuit schematic in PDF for the FL1 design, dated 0715 in the name and carrying revision R1A, roughly 1 MB.

Zipped CAD boardview for board DAG3BEMBCD0, which follows the Quanta DA...MB... numbering, here a G3B board; the laptop brand is not stated in the name.

A firmware dump labelled only Dell A860, most likely the Inspiron 1410 / Vostro A860 family, though the name gives no further detail.

PDF schematic for the Quanta R62 project, 2.43 MB, with no laptop brand or revision stated in the name.

Small PDF schematic labelled PA 1650 56LC, most likely the circuit diagram of a power adapter given the PA prefix, though the name does not confirm the brand or rating.

SFD035VX2 datasheet with the ADV suffix, supplied as a 332 KB PDF alongside a VGA document for the same part. The name does not explain ADV.

PDF document identified only as OZ531, about 1.9 MB. OZ-prefixed parts come from O2Micro, a maker of power-management, backlight inverter and charger controllers, so…

Dell Inspiron 8200 package naming the LA-1221 motherboard, a Compal ODM board code, packed as RAR at around 1.05 MB.

The name SDLS175 identifies this 515 KB PDF only as a document code, not as a particular part.

Schematic in PDF form for board 6050A2170201-MB-A03, packed in an 853 KB RAR archive; the laptop model is not named.

Schematic for Quanta G3AE motherboard DAG3AEMBCD0, packed as PDF in a 3.43 MB RAR. Quanta is an ODM building boards for several laptop brands, and the DA prefix with MB…

BIOS and EC firmware for a Quanta board numbered DA00G1MB6C1, revision C. Quanta uses DA0-prefixed numbers on its PCBs, and those boards are found in laptops from…

Dell 14-series laptop schematic for Compal board LA-B843P, revision 1.0, PDF format. The exact model is not given beyond the 14 designation, so identify the machine by…