Full datasheet for the Atmel ATmega169 8-bit AVR microcontroller, with the name indicating coverage of silicon revisions A through E.

MAX038 datasheet in PDF, covering the Maxim high-frequency precision function generator chip able to produce sine, square and triangle waveforms.

Preliminary datasheet for the Atmel AT91SAM7S series of ARM7TDMI-based flash microcontrollers, a 10.5 MB PDF.

Raw BIOS image in BIN format, 32 MB, with a name suggesting a working output image but giving no model, brand or board number.

Firmware archive named STB524HD, 2.93 MB, with no brand or board details in the name. The name suggests a set-top box or satellite receiver model, although this cannot…

Document for the 3DD304X, stored as a 489 KB PDF and catalogued under schematics, though the name suggests a component datasheet.

A 27.1 KB PDF titled with the part code 5LP01SS, stored in the schematic category but evidently a small datasheet.

Datasheet-style PDF of 21.4 KB for the 2SK2751, listed under the schematic category. The 2SK designation belongs to the Japanese JIS system and marks an N-channel…

Documentation for the 2SK2036 in a 326 KB PDF. Parts beginning with 2SK are N-channel field-effect transistors under the Japanese JIS numbering, so this file should be…

For the 2SK614, a part number from the JIS family of N-channel field-effect transistors, this 32.7 KB PDF is catalogued as a schematic but is most plausibly a short…

Data for the 2SJ608 in a lightweight 27.9 KB PDF, indexed as a schematic. Under the Japanese JIS scheme the 2SJ prefix denotes a P-channel FET, so this is likely a…

ZIP archive, 2.18 MB, labelled for the Huawei Y300 phone with no document type given in the name.

Indexed as a schematic, this 91.5 KB PDF named 2SC4390 is most likely the datasheet of that NPN bipolar transistor.

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

Reference PDF, 99.3 KB, for the 2SC3994, listed in the schematic category but named like a transistor datasheet.

Small 41.6 KB PDF for the 2SC5388, a JIS-numbered NPN bipolar transistor; the file name states only the part number, so package, maker and application are not given.

Indexed as a schematic, this 108 KB PDF documents the 2SC4891, an NPN transistor by JIS designation.

Bearing only the JIS part number 2SC2879, this 167 KB PDF is listed as a schematic. A 2SC designation marks an NPN bipolar transistor, so the file most likely contains…

Filed under schematics, this 80.8 KB PDF is titled with the part number 2SC2857. The JIS 2SC prefix designates an NPN bipolar transistor, so the content is most likely a…

Reference sheet in PDF form for the 2SA1593 transistor, 156 KB in size. The name gives only the part number, with no device or board details.

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.

Short PDF of 47.9 KB named 2PC945 with suffix 3, which likely marks the data sheet revision.

PDF document of 238 KB covering the 2N4398 device, with an RE suffix in the name whose meaning is not stated, possibly a reissued or revised sheet.

A PDF document for the 1SV215 part, catalogued as a schematic but most likely a component data sheet.

A short 31 KB PDF for the 1SV316 diode, filed in the schematic category. A separate entry with UV and sot323 tokens also exists for this part number, so compare both if…

A 98.0 KB PDF for the 1SS390, the largest of this group and filed as a schematic type. The name holds only the part number.

Larger than most of its neighbours at 123 KB, this PDF is named only 1SS313 and gives no device or board details.

Datasheet in PDF form, 23 KB, for the 1N4154 small signal switching diode. The name holds no further details such as vendor or revision, so those must be read from the…

Catalogued among schematics, this 115 KB PDF is named simply 403DMQ, with no suffix indicating a voltage variant and no device details.

Filed as a schematic, the 103 KB PDF 63ctq100 gives no device model, brand or board revision in its name.

The name 35gq150 gives nothing more than what resembles a semiconductor part number; this 48.1 KB PDF is indexed under schematics with no device, brand or revision…

A 293 KB PDF filed under schematics and titled 28F001, which belongs to the 28F flash memory family, usually a 1 Mbit boot block device.

A 229 KB PDF filed as a schematic, though its name, 25RIA, reads like a semiconductor part number rather than a board number, so the content is most likely a component…

Compact 55.8 KB PDF called 30CPQ080, filed as a schematic although its name looks like a semiconductor part code, so the content is most likely a datasheet.

Named for the Catalyst Semiconductor 24WC129, this 74.3 KB PDF is catalogued as a schematic but serves as the part datasheet for a 128 Kbit class I2C serial EEPROM.

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

Laptop schematic in PDF form for the Z96Jm board at revision 1.0, 1.31 MB, with no brand stated in the name.

ZIP archive of 1.48 MB for the Apple logic board numbered 820-3536. The name states no revision or content type, so it could be a schematic, a boardview or a mix of…

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