• Name Type Board Source Added Size
  • 2sa1774rev1

    Revision 1 of a document for the 2SA1774, as the rev1 token in the name indicates, supplied as a 97 KB PDF and filed under schematics.

    Schematic · 97.0 KB · 1 Aug 2026
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    97.0 KB
  • 2SA1771

    At 228 KB, this PDF for the 2SA1771 is among the larger sheets in the set, indexed as a schematic though it bears a JIS transistor code.

    Schematic · 228 KB · 1 Aug 2026
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    228 KB
  • 2sa928a UTC

    Datasheet PDF for the 2SA928A from UTC, the Unisonic Technologies brand named in the file, 23.1 KB, filed in the schematic category.

    Schematic · 23.1 KB · 1 Aug 2026
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    23.1 KB
  • 2SA1767 E

    Covering the 2SA1767, this compact 39.8 KB PDF is listed as a schematic yet named with a JIS PNP bipolar transistor number, so its content is a device datasheet.

    Schematic · 39.8 KB · 1 Aug 2026
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    39.8 KB
  • 2SA1766

    An 87.1 KB PDF for the 2SA1766, indexed under schematics. Its JIS part number, with the 2SA prefix, denotes a PNP bipolar transistor, so the document is a datasheet…

    Schematic · 87.1 KB · 1 Aug 2026
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    87.1 KB
  • 2SA1765

    The 2SA1765 PNP bipolar transistor, identified by its JIS 2SA prefix, is the subject of this 99.6 KB PDF catalogued as a schematic.

    Schematic · 99.6 KB · 1 Aug 2026
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    99.6 KB
  • 2SA1764

    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…

    Schematic · 102 KB · 1 Aug 2026
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    102 KB
  • 2SA1763

    Part datasheet for the 2SA1763, a PNP bipolar transistor according to the JIS 2SA prefix, delivered as a 110 KB PDF and indexed as a schematic.

    Schematic · 110 KB · 1 Aug 2026
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    110 KB
  • 2SA1762 E

    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.

    Schematic · 52.7 KB · 1 Aug 2026
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    52.7 KB
  • 2SA1761

    Datasheet PDF of 190 KB for the 2SA1761, filed under the schematic type. In the JIS scheme the 2SA prefix denotes a PNP bipolar transistor, and the name gives nothing…

    Schematic · 190 KB · 1 Aug 2026
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    190 KB
  • 2sa1759

    Lower-case naming aside, this 45.3 KB PDF concerns the 2SA1759, a JIS-coded PNP bipolar transistor, and is catalogued as a schematic though its content is a component…

    Schematic · 45.3 KB · 1 Aug 2026
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    45.3 KB
  • 2SA1757 1-2

    PDF of 64.4 KB for the 2SA1757, indexed as a schematic but bearing a JIS PNP bipolar transistor number, so it is a part datasheet.

    Schematic · 64.4 KB · 1 Aug 2026
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    64.4 KB
  • 2SA1749

    For technicians handling the 2SA1749, this 128 KB PDF provides the datasheet for a PNP bipolar transistor, as the JIS 2SA prefix signifies, even though the catalogue…

    Schematic · 128 KB · 1 Aug 2026
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    128 KB
  • 2SA1748 E

    English-edition style datasheet, judging by the _E suffix common to Japanese maker documents, for the 2SA1748 PNP bipolar transistor; 39.5 KB PDF, filed as a schematic.

    Schematic · 39.5 KB · 1 Aug 2026
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    39.5 KB
  • 2SA1739 E

    The 2SA1739 is named in this 44.6 KB PDF, listed among schematics although the JIS 2SA designation shows it is a PNP bipolar transistor datasheet.

    Schematic · 44.6 KB · 1 Aug 2026
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    44.6 KB
  • 2SA1738 E

    Indexed as a schematic, this 45.3 KB PDF is in fact named after the 2SA1738, a PNP bipolar transistor under JIS numbering, so it serves as the component datasheet.

    Schematic · 45.3 KB · 1 Aug 2026
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    45.3 KB
  • 2SA1737 E

    Datasheet for the 2SA1737, a PNP bipolar transistor per the JIS 2SA prefix, supplied as a 40.2 KB PDF and catalogued in the schematic section.

    Schematic · 40.2 KB · 1 Aug 2026
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    40.2 KB
  • 2SA1736

    A 207 KB PDF for the 2SA1736, filed in the index as a schematic but named after a single semiconductor part rather than a board.

    Schematic · 207 KB · 1 Aug 2026
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    207 KB
  • 2SA1735

    Part document for the 2SA1735 transistor, stored as a 151 KB PDF and catalogued under schematics.

    Schematic · 151 KB · 1 Aug 2026
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    151 KB
  • 2SA1734

    The 2SA1734 is the subject of this 183 KB PDF, which carries only the component number in its name.

    Schematic · 183 KB · 1 Aug 2026
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    183 KB
  • 2SA1732

    Compact 99.3 KB PDF dedicated to the 2SA1732, a part number following the Japanese JIS scheme in which 2SA denotes a PNP bipolar transistor.

    Schematic · 99.3 KB · 1 Aug 2026
    Schematic pdf
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    99.3 KB
  • 2SA1731

    Datasheet-style PDF of 101 KB for the 2SA1731, indexed under schematics but named only by part number with no device or board information.

    Schematic · 101 KB · 1 Aug 2026
    Schematic pdf
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    101 KB
  • 2SA1730

    Reference document for the 2SA1730 transistor in PDF form, 97.6 KB in size. Only the part number appears in the name, so no specific equipment can be tied to it.

    Schematic · 97.6 KB · 1 Aug 2026
    Schematic pdf
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    97.6 KB
  • 2SA1729

    PDF of 97.5 KB covering the 2SA1729, a component listed in this index as a schematic although the name describes a single part.

    Schematic · 97.5 KB · 1 Aug 2026
    Schematic pdf
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    97.5 KB
  • 2SA1728

    Specification document for the 2SA1728, provided as a 91.2 KB PDF with no board or device model in its name.

    Schematic · 91.2 KB · 1 Aug 2026
    Schematic pdf
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    91.2 KB
  • 2SA1724

    Small 81.5 KB PDF named after the 2SA1724 part number and filed under schematics. Nothing else in the name identifies a product or circuit board.

    Schematic · 81.5 KB · 1 Aug 2026
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    81.5 KB
  • 2SA1723

    Component sheet for the 2SA1723, an 80.1 KB PDF. The name holds only the part number, so no equipment model or board revision can be attached to it.

    Schematic · 80.1 KB · 1 Aug 2026
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    80.1 KB
  • 2SA1721

    At 245 KB, this PDF for the 2SA1721 is one of the larger documents in the series, suggesting several pages of curves or package data.

    Schematic · 245 KB · 1 Aug 2026
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    245 KB
  • 2SA1710

    Datasheet PDF, 149 KB, for the 2SA1710 transistor; the file name gives no further model or board details.

    Schematic · 149 KB · 1 Aug 2026
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    149 KB
  • 2SA1709

    The 2SA1709 is documented in this 154 KB PDF, which the index lists as a schematic though its name contains only the part number.

    Schematic · 154 KB · 1 Aug 2026
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    154 KB
  • 2SA1708

    Part reference for the 2SA1708, saved as a 154 KB PDF. No device, brand or board number is present in the name, only the component designation.

    Schematic · 154 KB · 1 Aug 2026
    Schematic pdf
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    154 KB
  • 2SA1707

    PDF of 155 KB covering the 2SA1707 transistor, with nothing else stated in the name. Even though it sits in the schematic category, the content is likely a datasheet…

    Schematic · 155 KB · 1 Aug 2026
    Schematic pdf
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    155 KB
  • 2SA921 E

    Brief 41.1 KB PDF for the 2SA921, with an _E suffix in the name that likely marks an English-language edition, though that is not certain.

    Schematic · 41.1 KB · 1 Aug 2026
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    41.1 KB
  • 2SA1706

    Specification PDF for the 2SA1706 transistor, 140 KB, catalogued under schematics despite naming only a part.

    Schematic · 140 KB · 1 Aug 2026
    Schematic pdf
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    140 KB
  • 2SA879 E

    Datasheet for the 2SA879 in a 49.9 KB PDF; the trailing _E in the name probably denotes an English version, though the name does not confirm it.

    Schematic · 49.9 KB · 1 Aug 2026
    Schematic pdf
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    49.9 KB
  • 2SA1705

    Component PDF of 133 KB for the 2SA1705, filed as a schematic but named after the part only, with no device or board information.

    Schematic · 133 KB · 1 Aug 2026
    Schematic pdf
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    133 KB
  • 2SA838 E

    Short 41.2 KB PDF for the 2SA838, with an _E suffix that may indicate an English edition of the datasheet, although the name alone cannot confirm this.

    Schematic · 41.2 KB · 1 Aug 2026
    Schematic pdf
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    41.2 KB
  • 2SA1703

    The 2SA1703 is covered by this 126 KB PDF, listed in the schematic category although only the part number appears in the name.

    Schematic · 126 KB · 1 Aug 2026
    Schematic pdf
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    126 KB
  • 2sa821s

    PDF of 34.7 KB for the 2SA821S, one of the smallest documents in this group, with only the part number in its name.

    Schematic · 34.7 KB · 1 Aug 2026
    Schematic pdf
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    34.7 KB
  • 2SA1702

    Datasheet PDF, 90.4 KB, for the 2SA1702, named only by part number and filed under schematics.

    Schematic · 90.4 KB · 1 Aug 2026
    Schematic pdf
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    90.4 KB

About schematics

A schematic is the electrical drawing of a board: it shows how every chip, MOSFET, coil and connector is wired, which rail feeds which circuit, and what voltage or resistance you should measure at each test point. It is the document you need to trace a missing rail or a short.

Schematics are published per board, not per laptop model. The same Compal LA-E891P board can sit in several HP models, so always search by the board number printed on the PCB rather than by the sticker on the case.