• Name Type Board Source Added Size
  • 2SB1189,1238

    Combined PDF, 53.0 KB, whose name lists two part numbers, 2SB1189 and 2SB1238, suggesting one data sheet covering both transistors. It is filed as a schematic.

    Schematic · 53.0 KB · 1 Aug 2026
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    53.0 KB
  • 2SA1487 E

    PDF for the 2SA1487, 38.8 KB, carrying an _E suffix that the name does not explain, possibly an edition or language marker.

    Schematic · 38.8 KB · 1 Aug 2026
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    38.8 KB
  • 2sb1188

    A 130 KB PDF named for the 2SB1188, indexed as a schematic but by its name a single-transistor data sheet.

    Schematic · 130 KB · 1 Aug 2026
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    130 KB
  • 2SB1186 1-2

    Document for the 2SB1186, 62.2 KB PDF, with a _1-2 suffix that may indicate part one of two pages or sections, though the name does not confirm this.

    Schematic · 62.2 KB · 1 Aug 2026
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    62.2 KB
  • 2SA1483

    The 2SA1483 is covered by this 178 KB PDF, catalogued under schematics though the name suggests a component data sheet.

    Schematic · 178 KB · 1 Aug 2026
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    178 KB
  • 2SA1481

    PDF of 223 KB for the 2SA1481 transistor, filed in the schematic category. Japanese JIS naming assigns the 2SA prefix to PNP transistors.

    Schematic · 223 KB · 1 Aug 2026
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    223 KB
  • 2SA1480

    Component data for the 2SA1480 in a 176 KB PDF, which the index lists as a schematic. By the JIS convention, 2SA marks a PNP transistor.

    Schematic · 176 KB · 1 Aug 2026
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    176 KB
  • 2SA1479

    Here is a 157 KB PDF named after the 2SA1479, filed as a schematic yet most likely a transistor data sheet. Under JIS rules, 2SA denotes PNP polarity.

    Schematic · 157 KB · 1 Aug 2026
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    157 KB
  • 2SA1478

    Reference PDF for the 2SA1478 transistor, 155 KB, catalogued in the schematic section. The JIS-style 2SA prefix indicates a PNP bipolar transistor.

    Schematic · 155 KB · 1 Aug 2026
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    155 KB
  • 2SA1477

    The 2SA1477 part number names this 135 KB PDF, which is filed as a schematic but should be a component data sheet.

    Schematic · 135 KB · 1 Aug 2026
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    135 KB
  • 2SA1471

    A 94.5 KB PDF for the 2SA1471, listed under schematics though the name indicates a single transistor data sheet. In JIS designation, 2SA stands for a PNP transistor.

    Schematic · 94.5 KB · 1 Aug 2026
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    94.5 KB
  • 2SA1470

    Data sheet style PDF, 95.9 KB, named for the 2SA1470 and indexed as a schematic. The 2SA prefix under the Japanese JIS scheme identifies a PNP bipolar transistor.

    Schematic · 95.9 KB · 1 Aug 2026
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    95.9 KB
  • 2SB1185 1-5

    PDF document for the 2SB1185 transistor, filed under schematics and 133 KB in size. The trailing 1-5 in the name is not explained; it may refer to pages or a document…

    Schematic · 133 KB · 1 Aug 2026
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    133 KB
  • 2sb1184

    Reference sheet for the 2SB1184, a part number in the Japanese JIS series where 2SB indicates a low-frequency PNP bipolar transistor.

    Schematic · 75.8 KB · 1 Aug 2026
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    75.8 KB
  • 2sb1183

    Compact 42.7 KB PDF covering the 2SB1183 transistor. The JIS-style 2SB prefix identifies a PNP device designed mainly for low-frequency circuits, commonly found in power…

    Schematic · 42.7 KB · 1 Aug 2026
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    42.7 KB
  • 2SB1140

    The 2SB1140 is covered by this 103 KB PDF, catalogued in the schematic section. Japanese JIS numbering assigns 2SB to PNP transistors meant for low-frequency service, so…

    Schematic · 103 KB · 1 Aug 2026
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    103 KB
  • 2sb1132

    Documentation for the 2SB1132 transistor in PDF form, 123 KB, sorted under schematics. In the JIS designation system the 2SB code denotes a PNP bipolar device for…

    Schematic · 123 KB · 1 Aug 2026
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    123 KB
  • 2SB1131

    PDF of 90.6 KB for the 2SB1131, listed in the schematic category though the name is simply a component number.

    Schematic · 90.6 KB · 1 Aug 2026
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    90.6 KB
  • 2SB1127

    Specification document for the 2SB1127 transistor, a 93.1 KB PDF indexed under schematics.

    Schematic · 93.1 KB · 1 Aug 2026
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    93.1 KB
  • 2SB1120

    Datasheet-type PDF for the 2SB1120, 79.3 KB, placed in the schematic collection. The 2SB prefix under the Japanese JIS standard identifies a PNP transistor intended for…

    Schematic · 79.3 KB · 1 Aug 2026
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    79.3 KB
  • 2SB1073 E

    Small 35.7 KB PDF for the 2SB1073; the _E suffix in the name is not explained and may mark a language edition or document version.

    Schematic · 35.7 KB · 1 Aug 2026
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    35.7 KB
  • 2SB1067

    The largest of this group at 186 KB, this PDF documents the 2SB1067 transistor and is catalogued as a schematic.

    Schematic · 186 KB · 1 Aug 2026
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    186 KB
  • 2SA1469

    Reference PDF for the 2SA1469, 101 KB, filed under schematics. Japanese JIS numbering uses 2SA for PNP transistors oriented toward high-frequency applications, which…

    Schematic · 101 KB · 1 Aug 2026
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    101 KB
  • 2SA1452A

    PDF covering the 2SA1452A transistor, 233 KB, indexed in the schematic section. The 2SA prefix in the JIS system marks a PNP device intended for high-frequency use, and…

    Schematic · 233 KB · 1 Aug 2026
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    233 KB
  • 2SA1451A

    Component document for the 2SA1451A in a 230 KB PDF, categorised as a schematic. Under Japanese JIS conventions 2SA designates a PNP transistor aimed at high-frequency…

    Schematic · 230 KB · 1 Aug 2026
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    230 KB
  • 2SA1450

    A 127 KB PDF on the 2SA1450, listed among schematics though the name refers to a single semiconductor.

    Schematic · 127 KB · 1 Aug 2026
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    127 KB
  • 2SB1050 E

    Short 41.5 KB PDF for the 2SB1050, with an _E suffix whose meaning the name does not explain, possibly a language or edition tag.

    Schematic · 41.5 KB · 1 Aug 2026
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    41.5 KB
  • 2SB1037

    Datasheet material for the 2SB1037 transistor, delivered as a 122 KB PDF in the schematic category.

    Schematic · 122 KB · 1 Aug 2026
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    122 KB
  • 2SA1438

    The 2SA1438 transistor is described in this 133 KB PDF, which the index files under schematics.

    Schematic · 133 KB · 1 Aug 2026
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    133 KB
  • 2SB1036 E

    Brief 41.2 KB PDF for the 2SB1036, carrying an _E suffix that the name leaves unexplained.

    Schematic · 41.2 KB · 1 Aug 2026
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    41.2 KB
  • 2SA1437

    PDF reference for the 2SA1437, 77.6 KB, sorted into the schematic section. In the JIS system the 2SA prefix marks PNP transistors suited to high-frequency circuits.

    Schematic · 77.6 KB · 1 Aug 2026
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    77.6 KB
  • 2SB1030 E

    Small PDF of 42.0 KB covering the 2SB1030, with an _E suffix that may mark a document edition, though the name does not say.

    Schematic · 42.0 KB · 1 Aug 2026
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    42.0 KB
  • 2SB1020A

    Datasheet PDF for the 2SB1020A, 216 KB, filed in the schematic category. Under Japanese JIS designation 2SB means a PNP transistor intended for low-frequency circuits…

    Schematic · 216 KB · 1 Aug 2026
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    216 KB
  • 2SB1018A

    Covering the 2SB1018A, this 233 KB PDF is indexed as a schematic but describes a single transistor.

    Schematic · 233 KB · 1 Aug 2026
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    233 KB
  • 2SB1016A

    PDF of 169 KB for the 2SB1016A transistor, listed under schematics. JIS numbering uses 2SB for PNP transistors designed for low-frequency service, and the trailing A…

    Schematic · 169 KB · 1 Aug 2026
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    169 KB
  • 2SB1015A

    Reference sheet for the 2SB1015A, a 167 KB PDF placed in the schematic section. The Japanese JIS 2SB code designates a PNP bipolar transistor for low-frequency…

    Schematic · 167 KB · 1 Aug 2026
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    167 KB
  • 2SB987 E

    Compact 41.4 KB PDF for the 2SB987, with an _E suffix not explained by the name, perhaps an edition or language marker.

    Schematic · 41.4 KB · 1 Aug 2026
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    41.4 KB
  • 2SB976 E

    Filed under schematics, this compact 39.7 KB PDF is named after the 2SB976 part number, a Japanese JIS-style designation where the 2SB prefix marks a PNP transistor…

    Schematic · 39.7 KB · 1 Aug 2026
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    39.7 KB
  • 2SB970 E

    A 41.5 KB PDF for the 2SB970 transistor, with an _E suffix the file name leaves unexplained.

    Schematic · 41.5 KB · 1 Aug 2026
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    41.5 KB
  • 2SB956 E

    Reference PDF of 42.8 KB for the 2SB956 semiconductor, marked with an _E suffix whose meaning the name does not give.

    Schematic · 42.8 KB · 1 Aug 2026
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    42.8 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.