For the 2SC5534 transistor, this 44.8 KB PDF sits in the schematic category but, going by the JIS 2SC code for NPN bipolar devices, is the part datasheet.

Catalogued as a schematic, this 45.8 KB PDF is named after the 2SC5503, a part number in the Japanese 2SC series used for NPN bipolar transistors.

A 39.3 KB PDF for the 2SC5490 component, which belongs to the 2SC range of NPN bipolar transistors under Japanese JIS numbering.

Filed under schematics, the 2SC3993 PDF (107 KB) is far more likely a component datasheet, since the name is simply a JIS transistor part number.

Reference PDF for the 2SC5420 transistor, 69.2 KB, indexed as a schematic though the bare part number points to a component datasheet.

Named simply 2SC4984, this 48.8 KB PDF is catalogued as a schematic yet points to a discrete semiconductor.

Single-part reference for the 2SC4864 in a 118 KB PDF, catalogued as a schematic. Apart from the part number, the name gives no information.

Part-number document for the 2SC3917, delivered as a 30.8 KB PDF. The 2SC prefix follows the JIS system for NPN bipolar transistors, so the content should be a datasheet…

The 2SC3502 NPN transistor is the subject of this 157 KB PDF, which the index files under schematics.

Part number 2SC3401 is the only information in the name of this 87.3 KB PDF, so no device or board is identified.

Datasheet PDF of 172 KB carrying the part number 2SC5358, listed under schematics in the index.

Covering the 2SC5353, this 208 KB PDF sits in the schematic category but, judging by the name, documents a single transistor.

Short PDF of 50.8 KB for the 2SC1509, with an _E suffix in the file name, listed in the schematic section.

A 29.2 KB PDF carrying the part number 2SB1683, a PNP transistor by Japanese JIS naming; though labelled as a schematic, it is expected to be the component datasheet.

A 190 KB PDF holding the data document for the 2SB1640 transistor, indexed under schematics.

Datasheet covering the 2SB1592 PNP transistor in a compact 38.9 KB PDF; the _E tag likely indicates the English version of the document.

Reference document for the 2SB1398 transistor, with an _E suffix in the name that is not explained and may indicate an edition or language version.

The 2SA1592 is covered by this 156 KB PDF, filed as a schematic although the name refers to a single semiconductor.

Reference PDF, 88.0 KB, for the 2SA1582 transistor. The file name states only the part number and nothing about the maker, package or application.

Named after the 2SA1537 transistor, this 41.0 KB PDF sits in the schematic category but should contain the manufacturer data for that part.

Small 21.4 KB PDF for the 2SA733 PNP transistor, with the UTC tag in the name pointing to the Unisonic Technologies version of this widely used general-purpose part.

Specifications for the 2SA1873 PNP transistor, provided as a 247 KB PDF. The 2SA prefix comes from the JIS semiconductor naming system and denotes a PNP bipolar part, so…

PDF of 210 KB for the 2SA817 transistor, catalogued as a schematic but named only by the component number.

Reference sheet for the 2N2905 PNP silicon transistor, a 55.3 KB PDF placed in the schematic category.

Datasheet for the 2N2222A transistor, a 53.4 KB PDF whose name carries a Phi tag, most likely identifying the manufacturer edition.

A 47.1 KB PDF covering the 1T365 transistor, placed in the schematic category of the index.

Data sheet for the 1T362 transistor, 45.0 KB in PDF, stored in the schematic category. The 1T prefix belongs to the old Soviet numbering, denoting a germanium transistor…

PDF data sheet of 47.6 KB for the 1T411 transistor, filed in the schematic category. Following the Soviet designation scheme, the 1T prefix denotes a germanium…

Schematic of a 1000 W audio power amplifier rated into 2 ohms, marked R2, RLVA SE1, 2012 revision 1, in a 110 KB PDF.

Small 57.3 KB PDF for the 2SC5060, filed under schematics though the name suggests a transistor part sheet.

PDF for the BU4508DX, a small 48.8 KB document filed as a schematic but most likely the part datasheet.

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

A PDF reference sheet for the 2SD2259 transistor, catalogued as a schematic but in practice a component datasheet of 43.3 KB.

Reference document for the 2SD2249, a part in the JIS 2SD family of NPN low-frequency bipolar transistors, saved as a 45.3 KB PDF.

Part sheet in PDF form, 29.1 KB, for the 2SD2646 transistor, filed in the schematic category. The name supplies only the type number, without brand or revision.

At 312 KB, this PDF for the 2SD2638 is the largest in its series and is probably a full datasheet with curves and outline drawings, though it is filed under schematics.

Reference sheet in PDF form, 141 KB, for the 2SD2198 transistor. The file is indexed as a schematic but is most likely a datasheet.

A 115 KB PDF named after the 2SD1625 part number, catalogued as a schematic but in practice most likely the transistor's datasheet.

PDF of 77.6 KB named 2SD1620 and filed with schematics; the name carries nothing beyond the part number, which points to a component datasheet.

A 111 KB PDF for the 2SD2281, which under the Japanese JIS system is an NPN transistor from the low-frequency 2SD series.