Datasheet for the OP07, a classic precision operational amplifier with very low input offset voltage and drift, widely used in instrumentation, sensor amplifiers and…

Spanish basic electronics guide, a general introduction rather than a schematic for any specific equipment. The name gives no device or board number.

PDF schematic for the Lenovo motherboard NM-A931, an LCFC board number, with no model or revision stated in the file name.

Datasheet for the SN74123N, a dual retriggerable monostable multivibrator with clear, in a plastic DIP package, provided as a 27.5 KB PDF.

Schematic PDF of 265 KB with an uninformative numeric name, 0001534, offering no brand, model or board number.

PDF of 1.47 MB named slus702a, which follows Texas Instruments literature numbering, where SLUS documents usually cover power management parts and the trailing letter…

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

Reference PDF for the 2SA1923 transistor, 195 KB, catalogued as a schematic though nothing in the name beyond the part number indicates more than a datasheet.

PDF of 310 KB for the APL5930, an Anpec low-dropout linear regulator part; listed as a schematic, it is most likely the manufacturer datasheet.

Datasheet PDF for the OB2263, a current-mode PWM controller from On-Bright used in small offline switching power supplies and adapters.

Component placement drawing for the Apex AX 20 amplifier board, a 61 KB PDF. It shows where each resistor, capacitor, transistor and connector sits on the PCB, which…

Datasheet for the Sanyo LB1845, a PWM current-controlled dual full-bridge driver for bipolar stepper motors found in printers, scanners and similar equipment.

Short Spanish PDF on schematic nomenclature, 21.2 KB, not tied to any device. It likely explains the designator prefixes and symbols used in diagrams, such as R for…

Schematic for the Biostar A78DD-M2T motherboard, packed as a PDF in a 910 KB RAR archive.

Datasheet for the SC1485, a 464 KB PDF, with no manufacturer stated in the name. The SC prefix is used by Semtech, whose SC14xx parts are PWM controllers for system…

Archive of 708 KB for the Dell 3521 dealing with PID and BID, terms usually meaning project or panel ID and board ID straps that tell the BIOS which hardware…

Reference PDF for the TCRT5000 reflective optical sensor, 310 KB, without a variant suffix in the name.

Datasheet in PDF for the ICL8038, here likely an Intersil version given the I in the name, a precision waveform generator and voltage-controlled oscillator producing…

Datasheet for the SN7438N, a quad 2-input NAND buffer with open-collector outputs, in a plastic DIP package, provided as a 22.8 KB PDF.

PDF document for the Intersil ISL95831, catalogued as a schematic but most likely the manufacturer datasheet for the part.

Reference PDF for the BQ24753A, a Texas Instruments charge controller part number commonly found on laptop motherboards, filed here at 2.06 MB.

PDF document covering the BQ24726, a Texas Instruments SMBus-controlled notebook battery charger IC.

Set of reference photographs of the ASUS X54L notebook motherboard, revision 2.0, packed into an 8.81 MB RAR archive.

ZIP archive of 261 KB holding a boardview for the ASUS P5LD2 MQ motherboard; no board revision is given in the name, so compare it with the revision silkscreened on your…

PDF schematic titled X60, 1.83 MB, with no brand, board number or revision stated in the file name.

Datasheet for the Richtek RT8207PGQW, a part number from Richtek's RT8207 family of DDR memory power controllers used on laptop motherboards.

Datasheet for the AM2301 digital temperature and humidity sensor, a 577 KB PDF. The AM2301, also sold as DHT21, uses a single-wire bus with a proprietary timing…

Datasheet for the PCF8591, an 8-bit data acquisition device from Philips/NXP combining four analog inputs, one analog output and an I2C serial interface on a single…

XR2206 datasheet in PDF, the Exar monolithic function generator IC widely used in kit signal generators for sine, square, triangle and ramp outputs.

Datasheet for the LM336-2.5V, a precision 2.5 V shunt voltage reference diode with an adjust pin for trimming the voltage and minimizing temperature drift.

Collection of motherboard photographs for Quanta board DAH98AMBAD0, revision D, in a RAR archive of about 30 MB. The name does not state the laptop model.

PDF document covering the Intersil ISL6259 battery charger controller, labelled as charging IC material.

Topic 2 of a Spanish smartphone repair course, covering basic electronics, as an 817 KB PDF that appears to duplicate the unnumbered copy. No device or board is named.

Schematic for the Huawei Mate 10 Lite smartphone, model code HL1RNEAL00M, delivered as a RAR archive.

Portuguese-language PDF guide whose title translates to How to Test Electronic Components, 620 KB in size.

Specification sheet for a green 10 mm LED, provided as a 517 KB PDF. The name gives no manufacturer or part number, so check the document for the exact series, luminous…

PDF reference for the SN7405N, a hex inverter from the 7400 TTL family with open-collector outputs, supplied in plastic DIP.

PDF datasheet for the SN7403N, a quad 2-input positive NAND gate with open-collector outputs, from the standard TTL 7400 family in plastic DIP form.

First-revision schematic, Rev 1.0, for the MSI MS-V277 board, in PDF form inside a RAR archive slightly larger than the later versions.

PDF documentation for the Texas Instruments BQ24735 notebook battery charger controller, 1.48 MB, catalogued as a schematic.