Atmel datasheet for the AT89C55WD, an 8051-compatible microcontroller with 20 KB of flash, 256 bytes of RAM, three timers and a watchdog timer, as reflected by the WD…

PDF datasheet of 274 KB for the AD7828 from Analog Devices, an 8-bit analogue-to-digital converter with an eight-channel input multiplexer and microprocessor interface.

Firmware archive for a StarTrak Platinum receiver, marked KDP8005 and 150309 with a 3G note, packed as a 6.91 MB RAR.

Archive of 328 KB holding Wicardd for S Sh@ra, the name written partly in Russian meaning for S Sh@ra.

Large 202 MB archive for an HP mainboard numbered 6050A2555201, revision A02, following the Inventec numbering pattern that begins with 6050A.

Patched BIOS image for a Dell Latitude 7330, about 10.1 MB packed in a RAR archive. The name does not say what was patched, but such files are usually modified to clear…

Boardview packed in a 95.8 KB RAR named only with the number 213093-1, which reveals no brand, model or recognizable board scheme.

Small 65.1 KB PDF reference for the HEF4008BP, a CMOS logic device from the HEF4000 series that the 4008 number identifies as a four-bit full adder; the BP suffix…

Reference sheet for the 2SC2330, which the name marks as an NPN transistor, stored as a 431 KB PDF and filed under schematics.

The 2SD2634 transistor is described in this 30.7 KB PDF, classified as a schematic though the name points to a datasheet.

Datasheet for the 2SD1815 in PDF format, 154 KB, catalogued as a schematic. Apart from the type number, the name carries no extra details.

Part data for the 2SD1805, supplied as a 96.5 KB PDF and categorised as a schematic. The name states nothing beyond the type number.

PDF sheet of 38.4 KB for the 2SD2575, with an _E suffix in the file name. Filed as a schematic, it most likely holds datasheet content, because 2SD is the JIS code for…

PDF sheet of roughly 41.8 KB for the 5LP02M part, filed under schematics. Only the part number is given; by the series pattern the LP letters likely signify a P-channel…

Part reference sheet for 5HN01C, a compact 26 KB PDF listed under schematics. No laptop model or board number appears in the name.

Component documentation for 5HP02M, delivered as a 40.7 KB PDF. Despite the schematic label, the name is a bare part number with no board or brand information, so treat…

Datasheet for the 5HP01N part in PDF form, about 27 KB. No device or motherboard is named; the code with an N ending appears to be a package variant of the 5HP01 series.

Component sheet for 5HP01C, a 26.8 KB PDF without any laptop, brand or board number in its name.

Datasheet covering the 4N35 to 4N37 family of optocouplers, stored as a 276 KB PDF and catalogued as a schematic.

Optocoupler datasheet for the 4N29, with the name indicating revision 4x, supplied as a PDF of roughly 287 KB.

Named after the 2SD2093, this PDF of 146 KB is most likely the component datasheet for that Japanese transistor.

Component sheet for the 3SK268 supplied as a 32.8 KB PDF and placed in the schematic category. Beyond the part number, the name gives no further detail.

The 3SK219 is covered by this compact PDF of roughly 30 KB, indexed as a schematic but by its name a part datasheet.

A 41.8 KB PDF named for the 2SD2457 with an E tag, filed as a schematic. By the JIS scheme, 2SD marks an NPN bipolar transistor, so expect a component reference rather…

Datasheet-style PDF of 118 KB for the 2SD1898, recorded in the index as a schematic but named after a single component.

This 91.1 KB PDF covers the 2SD1887 transistor; it sits in the schematic category but the file name matches a JIS component designation, pointing to a datasheet.

A 91.5 KB PDF titled with the JIS part number 2SD1886, which suggests a component datasheet even though the index tags it as a schematic.

Only 28.2 KB, this PDF named 2sk123 is catalogued as a schematic, but the name is a JIS transistor number, so a short datasheet is the likely content.

Covering the 2SK3495, this 28.0 KB PDF carries the schematic tag yet is named after one JIS part, pointing to a brief datasheet.

Datasheet PDF for the 2SK2889, 417 KB in size and indexed here under schematics. The name states nothing beyond the part number.

Documentation for the 2SK2855, a 125 KB PDF catalogued as a schematic, with no details in the name besides the part number.

PDF of 426 KB named for the 2SK2842 part number and filed in the schematic category. Because the 2SK prefix denotes an N-channel field-effect transistor in JIS…

Document for the 2SK2841, a JIS-style part number whose 2SK prefix marks an N-channel FET.

Named for the 2SK2824 transistor, this 305 KB PDF is indexed as a schematic but is most likely a single-part datasheet.

Reference document for the 2SK2793, a 141 KB PDF catalogued under schematics. The 2SK designation in the Japanese JIS system denotes an N-channel field-effect…

A 418 KB PDF named for the 2SK2742, an N-channel field-effect transistor under the Japanese JIS 2SK prefix, placed in the schematic category.

The 2SK2740 transistor is the subject of this 143 KB PDF, filed as a schematic even though the name points to a component datasheet.

Covering the 2SK2733, this 413 KB PDF sits among schematics but is most likely the device datasheet, since 2SK is the Japanese JIS prefix for N-channel field-effect…

Datasheet-style PDF for the 2SK2608, sized 413 KB and catalogued under schematics. Under the Japanese JIS naming system, 2SK denotes an N-channel field-effect…

A 407 KB PDF for the 2SK2602, a part number following the Japanese JIS convention in which 2SK designates an N-channel field-effect transistor.