Reference sheet for the 2SD2607 component, delivered as a 51.7 KB PDF and filed under schematics. No brand or variant appears in the name beyond the part number itself.

PDF sheet, 47.9 KB, named for the 2SC4070 transistor and filed as a schematic. JIS naming assigns the 2SC prefix to NPN bipolar transistors; package, maker and…

Here is a 42.1 KB PDF on the 2SC3707 transistor, listed in the schematic category. The trailing E after the part number is not explained in the name and should be read…

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

RAR archive of about 20 MB described in Portuguese as schematics with voltages in PDF format; no brand or model is named, so the contents must be checked after…

Toshiba datasheet for the TPCA8064-H power MOSFET, an English edition dated in the name as 2014-02-07, 291 KB PDF.

Compact PDF datasheet for the MPSA06, an NPN general-purpose transistor rated in the file name at 80 V and 500 mA.

Datasheet in PDF for the J13009, a high-voltage NPN switching transistor in the 13009 family.

Datasheet for the BUW84 and BUW85 NPN power transistors, as stated in the name, in a 101 KB PDF indexed as a schematic.

Small PDF of about 30 KB filed as a schematic for the 3SK241 part number. The 3SK prefix is the Japanese JIS designation for four-lead field-effect transistors…

Named after the 2SD2282, this 129 KB PDF is most likely the transistor's datasheet, despite the schematic classification in the index.

At 45.2 KB this is a short PDF named for the 2SC4160 part number; it is filed as a schematic but most likely amounts to a brief transistor datasheet.

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 in PDF form labelled safari std, a name that in DIY audio circles usually refers to a Safari power amplifier design, standard version, though the file name…

PCB artwork for the top side of an R2 class power amplifier rated around 500 watts into a 4 ohm load, saved as a 177 KB PDF.

ADP3120A datasheet in PDF form, 195 KB, covering a dual bootstrapped MOSFET driver now supplied by ON Semiconductor.

Sony KDL-40V3000 schematic covering both the power supply and the backlight inverter, packed in a single 1.65 MB PDF.

Bottom-side PCB layout for the R2 amplifier design rated 500 watts at 4 ohms, stored as a 138 KB PDF.

Schematic of a Class H audio power amplifier, described in Spanish as a Thai design, delivered as a small 718 KB PDF.

Compact 311 KB PDF schematic whose name suggests a bipolar transistor design, probably an audio amplifier, though the label 5_5bipolar_msg is cryptic and gives no brand…

Zip archive of Spanish-language reference material on SMD components and the schematic symbols used for them in cell phones.

Large PDF of about 30 MB titled SMD codes 2014, a reference book of marking codes for surface-mount components rather than a board schematic.

Sheet for the TIP31 NPN and TIP32 PNP complementary power transistor pair, with the name stating 100 V and 3 A ratings; the PDF is 198 KB and listed under schematics.

The 2SD1937 transistor is the subject of this 42.0 KB PDF, whose name ends with an _E suffix that is not explained.

Spanish tutorial on recognising components in a schematic, a 310 KB PDF intended as training rather than a diagram for a specific device.

PDF SMD codebook for mobile repair, 3.04 MB, listing marking codes found on small surface-mount parts.

PDF datasheet for the 2SK2740, marked on the body as K2740, an N-channel MOSFET the file name rates at 600 V and 7 A.

Schematic in PDF for a Sony power supply with part number 1-474-218-11, designed by Delta as model APS-272.

Schematic in PDF form for the Samsung power supply board BN44-00300A, with the name marked as tested, suggesting the drawing was checked against a real board.

Datasheet for the 2SK3569, an N-channel power MOSFET that the name rates at 600 V and 10 A, provided as a 156 KB PDF.

ON Semiconductor NTMFS4935N datasheet, a 173 KB PDF for an N-channel power MOSFET in the flat SO-8FL package common on laptop motherboards.

SMD Codebook in PDF form, 3.04 MB, a reference listing marking codes found on small surface-mount parts. It is not a schematic for a specific device.

The SMD Codebook in PDF form, 3.04 MB, is a reference guide that matches the short marking codes printed on small surface-mount parts to their full part numbers.