Datasheet-type PDF, 173 KB, for the 200CNQ series of Schottky rectifier modules, with no voltage suffix in the name, suggesting several grades on one sheet.

Titled for the 93LC46, 56 and 66, this 223 KB PDF is a combined datasheet for three densities of Microwire serial EEPROM, although indexed as a schematic.

Indexed under schematics, this 71.1 KB PDF carries the part code 80SCLQ045, part of the same family as the 030 and 060 sheets in this collection and resembling…

Part 80EBU02 gives its name to this 146 KB PDF, filed as a schematic but most likely a rectifier datasheet in International Rectifier numbering style.

At 126 KB, this PDF is titled 80CPQ150 and, despite the schematic category, most likely contains the datasheet for that rectifier, following International Rectifier part…

PDF of 129 KB in the schematic category, named 400CMQ035. Nothing in the name points to a device, motherboard or revision; the string follows the pattern of a power…

Code 45CIQ100 is the only detail in this 333 KB PDF, listed as a schematic without any brand, model or board revision.

Datasheet for the 40CTQ045L in PDF form, 96.3 KB, catalogued as a schematic. It belongs to the CTQ family of dual Schottky rectifiers with common cathode, where 045…

Complete-looking datasheet PDF of 675 KB named 25C02, catalogued as a schematic. By standard naming it covers a 2 Kbit SPI serial EEPROM, without any manufacturer…

Carrying only the code 16SYQ030C, this 48.5 KB PDF is catalogued as a schematic and names no device, board or revision.

A PDF of 189 KB named 16ctu04 and categorised as a schematic. The name looks like an International Rectifier or Vishay ultrafast rectifier part number, which would make…

A 231 KB PDF titled with the series token 12CTQ, suggesting a datasheet covering several voltage variants of one discrete part family rather than one exact device.

Compact 74.6 KB PDF referencing part 11DQ05, one member of a diode series that also appears here as 11DQ09 and 11DQ03/04.

One PDF of 74.3 KB covering two variants, 11DQ03 and 11DQ04, as the combined name indicates.

PDF document of 972 KB named only TX4150A, catalogued as a schematic, with no brand, device or board details in the name.

PDF document named after TAS5614LA, a Texas Instruments Class-D audio power amplifier IC used in audio equipment.

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

2.1 amplifier schematic attributed to Amiru, a compact 98.7 KB PDF. The name gives no details about the ICs or power level, so the diagram itself must be read for…

Technical Mriganka 2.1 amplifier design using the TDA7379 and TDA7377 power amplifier ICs, a 206 KB PDF.

Learning document about the function generator and oscilloscope, provided as a 662 KB PDF. It is not a board schematic but material on two core bench instruments.

Schematic of 1.58 MB in PDF, labelled X51C together with T12C; these look like project codes, but no brand, board number or revision is given, so verify the target board…

PDF document of 132 KB for the HCF4093, the ST version of the 4093 quad two-input NAND gate with Schmitt-trigger inputs.

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

Document for the BA7075, a ROHM integrated circuit, provided as a 158 KB PDF and filed as a schematic.

PDF reference for the 2SD1852, a 2SD-series NPN bipolar transistor, about 96.5 KB and more likely a component datasheet than a circuit diagram.

Compact 42.5 KB PDF for the 2SD1824, carrying an E suffix in the name that is not otherwise explained.

Part documentation for the 2SD2579, provided as a PDF of 43.3 KB under the schematic heading.

A 43.8 KB PDF for the 2SD2565 transistor, its name ending in _E. Although classified as a schematic, the file is most likely a datasheet, as the JIS prefix 2SD…

Datasheet for the 4N38 optocoupler, marked as revision 2 in the name and supplied as a 294 KB PDF filed among schematics.

Revision 5 of a datasheet for the 4N25 optocoupler, a 281 KB PDF. The 4N25 is one of the oldest and most common phototransistor-output isolators, often found in power…

Component data for the 2SD2130 NPN transistor, a PDF of about 209 KB. The name carries no board or device information; it is a part sheet following the Japanese 2SD…

Datasheet for the 2SD2117, filed as a schematic but actually a component specification in PDF form, about 67.5 KB.

At 242 KB, the 2SD2092 PDF is one of the larger files in this series and carries no information beyond the part number.

One of the larger sheets in the set at 271 KB, this PDF is named after the 2SD2498 and serves as a transistor datasheet.

The only detail in this 183 KB PDF name is the part number 2SD2461, indicating the datasheet for that transistor.

Datasheet-style document, 133 KB in PDF format, covering the 2SD1681 part number and listed as a schematic.

Transistor sheet for the 2SD1626, 87.9 KB in PDF format, filed as a schematic. In JIS codes, 2SD denotes an NPN bipolar device for low-frequency or power circuits.

A 53.3 KB PDF for the 2SD2071, with an E suffix in the name whose meaning is not stated.

Brief 29.4 KB PDF for the 2SD1555, held in the schematic section, though the name is just a part number and likely belongs to a datasheet.

An 88.2 KB PDF titled 2SD1884, indexed in the schematic section but, judging by the bare part number, a datasheet for that transistor.