A 107 KB PDF covering the 2SC4270, a JIS-numbered part. The 2SC prefix denotes an NPN transistor intended for high-frequency use.

An 89.5 KB PDF describing the 2SB1396, a JIS-registered part; the file name gives no further specifics.

Datasheet PDF covering the 2SA1588, 215 KB in size, which suggests several pages with curves and package details.

Part documentation for the 2SB1287 in a 63.5 KB PDF; the 1-2 in the name probably marks pages one and two of the sheet. No device or board details are included.

Version of the 2N5401 high-voltage PNP transistor datasheet tagged Sam in the name, a 53.3 KB PDF.

A small 68.0 KB PDF whose name holds only the component code 1SS337, with no brand, model or board number given.

Datasheet for the 1N4454 diode, a very small 19.5 KB PDF that probably holds a short single-page summary.

Short PDF of 76.2 KB covering the 24C16, a 16 Kbit (2 KB) serial EEPROM accessed over the two-wire I2C bus.

PDF of 146 KB that groups several part numbers in its name: 24C02, C02R and W02, apparently related 2 Kbit (256-byte) I2C EEPROM variants covered in one datasheet.

Spanish PDF on automotive electricity, 1.01 MB, apparently course notes from the Emagister learning community.

Topic 8 of a Spanish mobile repair course, covering backup, root and recovery on smartphones, supplied as a 306 KB PDF. No specific device is named.

Circuit diagram for the Quanta Z07 notebook mainboard, revision 1A, in PDF form at about 1.04 MB.

Document for the BQ24730, a Texas Instruments laptop battery charger controller, supplied as a 4.13 MB PDF.

Directional pattern PDF for the Apple 820-01055 logic board, revision 07. The name suggests a drawing showing component orientation, such as pin-one marks and polarity…

SMD marking code reference in PDF form, 11.4 MB. Books of this type list the short codes printed on surface-mount transistors, diodes, regulators and other small…

PDF circuit diagram for the N83B variant, tagged PV with a 0201 code, most likely the production validation stage and a date or revision.

Circuit diagram for the Quanta Z8C notebook mainboard at revision 3A, a 2.75 MB PDF. No laptop brand or model is named, only the Quanta ODM project code.

Manual in PDF form, around 1.90 MB, for the Bematech BR-400 barcode reader, written in Portuguese as leitor de codigo indicates.

A 948 KB PDF guide on disabling the protection circuit of LCD backlight inverters, part three of a series, covering boards built around the OZ9966SN inverter controller.

Maxim MAX1540 datasheet, an 838 KB PDF identified only by its part number. Read the opening page for the device function and electrical limits.

Schematic for the IBM Lenovo ThinkPad T500 and W500, Coronado 5 integrated graphics platform, labelled SOVP COR5I-7 with number 43Y6956, in a 855 KB RAR archive.

Quanta LZ9A schematic for a 14 inch discrete-graphics design with NVIDIA Optimus, based on the Intel Shark Bay ULT platform, revision 1A, dated 01-03-2013, in a 2.43 MB…

Schematic in PDF form for the Faroe DIS X32 MB MV motherboard, board numbers 18742-1 and 18741-1, with 0GG02 also listed in the name.

Schematic in PDF form for the Dell Inspiron 1545, built by Wistron under the Roberts project name, revision A00, with board number 08212-1.

Schematic in PDF form for the ASUS ROG GX550LXS and GX550LWS gaming laptops, board revision 2.0, compressed in a 14.1 MB RAR archive.

Schematic in PDF form covering the Dell Inspiron 7437, 7537 and 7737, from Wistron's Hadley15 project with board number 12311-1, compressed into a 2.70 MB rar.

Schematic in PDF form for the MSI GS63 Stealth 8RE, referencing boards MS-16K5 and MS-17B5 and a 0B revision marking, archived as a 4.17 MB RAR.

Schematic PDF for the Compal LA-C361P mainboard, platform code AAM00, revision 1.0 marked A00, packed in a 15.4 MB RAR.

Schematic in PDF for the Lenovo AIO 520-24ICB all-in-one, built on Compal board LA-F901P revision 1.0, packed in RAR.

Schematic covering the Dell Precision 15 7510 and Precision 7710 mobile workstations, on Compal board LA-C541P with project code AAPA0.

Schematic for HP Pavilion G4, G6 and G7 laptops based on the Quanta R13 design, covering boards DA0R13MB6E0 and DA0R13MB6E1 at revision E, UMA version with integrated…

A 116 KB PDF for the 2SK2731 bearing a 1-5 suffix that the name does not explain, perhaps an edition marker.

Here is a compact 94.6 KB PDF named for the transistor type 2SC4660. The name points to the part itself rather than any board or appliance.

Datasheet for the 2sb1566 PNP bipolar transistor in a 37.5 KB PDF. The 2SB label, per the JIS convention, means a PNP device for low-frequency circuits; the file name…

A compact 19.1 KB PDF for the 2SA1580, small enough that it is probably a one- or two-page summary sheet. No other details are present in the name.

Another copy of the 2N5401 datasheet, a 49.2 KB PDF whose _3 suffix probably marks an alternate version or a third saved copy rather than a documented revision.

Part number 1SS196 gives this 68.1 KB PDF its name, which marks it as a datasheet for a single semiconductor rather than a full circuit diagram.

PDF datasheet, 45.5 KB, for the 1N4934 fast recovery rectifier diode from the 1N4933 to 1N4937 family.

PDF datasheet for the 1N4933G, a variant of the 1N4933 fast recovery rectifier, 169 KB in size and larger than the other versions in the set.

Reference PDF of 142 KB for the 220CMQ030, a CMQ-series part closely related to the CNQ Schottky modules, likely differing in package or mounting style.