Datasheet in PDF form for the ICL8069, a low-voltage bandgap voltage reference diode of about 1.2 V, historically made by Intersil.

Component datasheet in PDF form, 346 KB, identified only by the document number 6224 in its name.

Datasheet in PDF format numbered 6262, about 1.05 MB, with no part number or brand stated in the file name.

Datasheet for the LM741, the classic general-purpose operational amplifier found in countless analog circuits, supplied as a 148 KB PDF.

Datasheet for the LM7805, a fixed 5 V positive three-terminal linear regulator from the widely used 78xx family, provided as a 161 KB PDF.

Datasheet for the 79LXX series, low-power fixed negative three-terminal regulators typically rated around 100 mA, supplied as a 157 KB PDF.

PDF datasheet of 634 KB carrying only the reference doc6258, which does not reveal the device it covers.

Preliminary datasheet for the Atmel AT91SAM7S series of ARM7TDMI-based flash microcontrollers, a 10.5 MB PDF.

Datasheet for the Atmel AT89S52, one of the most popular 8051-compatible microcontrollers, with 8 KB of ISP flash, 256 bytes of RAM and three 16-bit timers.

Generic setup package, 1.91 MB in ZIP format, whose name gives no model, brand or version.

Archive for a Lenovo laptop on Quanta board DA0PS8MB8G0, revision G. Quanta uses the DA0 prefix followed by the project code, here PS8, with the rev letter printed on…

Firmware archive named STB524HD, 2.93 MB, with no brand or board details in the name. The name suggests a set-top box or satellite receiver model, although this cannot…

Archive for the Dell Inspiron N5110 on Wistron board DQ15 10260, covering a conversion from discrete graphics to UMA (integrated graphics only).

PDF reference for the 74HC595, an 8-bit shift register with storage latches and three-state outputs, at 367 KB, filed under schematics.

PDF for the 2SC1172, 74.4 KB, listed among schematics with no further detail in its name.

PDF document for the IRFP260 power MOSFET, catalogued under schematics although the name points to a component datasheet.

Datasheet in PDF form for the IRFP250 N-channel power MOSFET, a compact 92.6 KB file. Expect absolute maximum ratings, on-resistance, gate charge, safe operating area…

IRF640 MOSFET datasheet in PDF format, about 112 KB in size. It should provide electrical ratings, on-resistance, gate threshold, thermal resistance and package drawings…

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.

Datasheet for the 2SK2043 N-channel MOSFET, with the file name stating a 600 V drain-source rating and 2 A drain current.

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

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

Small 39.9 KB PDF for the 2SD2474, carrying an _E suffix whose meaning the name does not state; it may reflect a language or edition marker.

Small PDF of 92.1 KB filed under schematics, though its name is simply the part number 2SD1998, so it is almost certainly a component datasheet rather than a board…

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.

PDF covering the 3SK189, about 178 KB in size and listed in the schematic category, though the name points to a single 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.

A 166 KB PDF for the 2SD1904 transistor, listed here as a schematic but by its name almost certainly the manufacturer data sheet.

Small 45.6 KB PDF named 2SD1902, a Japanese standard transistor number; despite the schematic label it is most probably a short datasheet.

Component documentation for the 2SK2920, a 409 KB PDF filed under schematics in this index but almost certainly a part datasheet.

A compact 106 KB PDF covering the 2SK2919 transistor, indexed as a schematic though the name points to a manufacturer datasheet.

PDF documentation, 431 KB, for the 2SK2883 N-channel FET, placed in the schematic section of the catalogue.

Part reference for the 2SK2862 in a 411 KB PDF, listed under schematics in this index. The name carries only the transistor number.

A compact 134 KB PDF titled with the part number 2SK2839 and catalogued as a schematic.

Component document for the 2SK2745 in PDF form, 399 KB, filed as a schematic. Because 2SK is the Japanese JIS prefix for N-channel field-effect transistors, the file…

A 416 KB PDF covering the 2SK2610, a JIS-designated part whose 2SK prefix identifies an N-channel FET.

Smaller 137 KB PDF tied to the 2SK2606, a JIS-style designation where 2SK indicates an N-channel field-effect transistor.

Short datasheet-type PDF of 30.0 KB for the 2sk2588, an N-channel FET according to the JIS 2SK prefix.