Component sheet in PDF for the 2SD2248, 100 KB, which the index places among schematics. No device or board is named, just the transistor type.

PDF document, 142 KB, named for the 2SD1828, an NPN bipolar transistor going by the JIS 2SD prefix for low-frequency types.

PDF reference of 150 KB for the 2SD2206, categorised as a schematic though the name is simply a transistor number.

PDF datasheet of roughly 238 KB describing the 2SD2127 NPN transistor in the Japanese 2SD series. Although labelled as a schematic, it is a single-component reference.

Reference material for the 2SK3122 transistor in a 121 KB PDF, filed under schematics. Its size points to a fuller datasheet, perhaps with characteristic curves, though…

Part documentation for the 2SK2987, provided as a 426 KB PDF. The 2SK designation follows the Japanese JIS standard for N-channel field-effect transistors, so the file…

A 36.2 KB PDF documenting the 2SK1610, an N-channel field-effect transistor as indicated by its Japanese 2SK prefix.

Covering transistor 2SK1417, this 101 KB PDF is filed as a schematic though the single part number suggests a datasheet.

At 383 KB, this PDF titled 2SJ104 is filed as a schematic yet most likely holds the datasheet for that part.

Part datasheet for the 2SD1140 in a 159 KB PDF, listed as a schematic though the name contains only the transistor number.

PDF documentation for the 2SD1090 transistor, 198 KB, catalogued under schematics though the name indicates a component datasheet.

Named simply 2SC4636, this 103 KB PDF documents that Japanese-standard NPN transistor and is most likely its datasheet. The name gives no appliance or board reference.

Labelled 2SC5256, this 165 KB PDF most likely contains the datasheet for that JIS-coded NPN transistor; an FT-suffixed variant document also exists.

A 180 KB PDF named after the 2SC5255 NPN transistor and catalogued as a schematic, though it is most likely a component datasheet.

Specification for the 2SC4490 in a 149 KB PDF, readable in any common viewer. The part follows the Japanese JIS scheme where 2SC marks an NPN bipolar transistor; no…

This 463 KB PDF, named after the 2SC4315, is grouped with schematics, though a bare part number like this usually indicates a datasheet.

A 94.1 KB PDF labelled 2SC4272, sitting in the schematic category but carrying only a part number, so it is probably the datasheet for that transistor.

Listed as a schematic, this 102 KB PDF is named after 2SC5042, which under Japanese JIS rules designates an NPN transistor, so a component datasheet is the likely…

Part number 2SC5029 names this 212 KB PDF, filed as a schematic. Japanese JIS numbering assigns the 2SC prefix to NPN bipolar transistors, so the content should be a…

A 281 KB PDF referencing the 2SC2644 transistor, catalogued among schematics but most likely its datasheet.

The 2SC2347 is the subject of this 292 KB PDF, filed as a schematic but most likely a datasheet for the NPN transistor.

Component documentation for the 2SA1296, delivered as a 219 KB PDF. The filename gives nothing beyond the part number; 2SA indicates a PNP bipolar transistor in the JIS…

Here is a 102 KB PDF named for the 2SA1764, placed in the schematic category, though JIS numbering identifies it as a PNP bipolar transistor and the document as its…

A 52.7 KB PDF for the 2SA1762 with an _E suffix, which in Japanese manufacturer document naming commonly indicates the English edition; no brand is stated.

Optocoupler datasheet for the SFH617A, a 429 KB PDF. This part is a phototransistor-output optocoupler commonly used in the feedback loop of switching power supplies to…

RAR archive of 12.6 MB named day11, which gives no device, brand or board information, so it may be part of a training series or course material.

PDF datasheet for the ICL8038 precision waveform generator and voltage-controlled oscillator, a classic chip giving simultaneous sine, square and triangle outputs.

ASRock B75M-DGS motherboard boardview, revision 2.1, compressed into a 287 KB ZIP file.

PDF of 129 KB for the 2SD1427, an NPN bipolar transistor in the 2SD series, indexed as a schematic but most likely a datasheet. The name gives no ratings or package.

Datasheet in PDF format, 229 KB, for the 2SD553 transistor, catalogued among schematics. Nothing besides the part type is stated in the name.

A 136 KB PDF containing data for the 2SD2224 NPN transistor, filed in the schematic section. No other detail is given by the name.

PDF reference sheet of 127 KB for the 2SD2219 transistor, catalogued among schematics although it documents one component. The name holds just the part number.

The 2SD2129 transistor is documented in this 216 KB PDF datasheet, catalogued among schematics.

Part datasheet in PDF form, 105 KB, for the 2SD2050 transistor, filed in the schematic category. The name holds only the part code.

Titled in lowercase as 2sd1414, this 62.9 KB PDF is catalogued as a schematic, though a lone part number indicates a transistor datasheet.

Indexed as a schematic, the 217 KB PDF 2SD1412A most likely holds the datasheet for that transistor, where the A suffix marks a variant of the 2SD1412.

Datasheet for the 2SD2357 NPN transistor, 39.8 KB in PDF format and filed under schematics.

A 265 KB PDF documenting the 2SK2961 transistor. Under JIS naming, 2SK parts are N-channel field-effect transistors, so this is a component datasheet despite its…

At 443 KB, this is the largest PDF in the group, covering the 2SK1544 transistor, likely with more curves or drawings.

Reference PDF for the 2SD1065, 119 KB, filed in the schematic category although the name identifies a single transistor and points to a datasheet.