Component datasheet for the 2SD2137, a part from the Japanese 2SD series, which designates NPN bipolar transistors intended for low-frequency use.

Datasheet for the 2SK1058 transistor from Hitachi Semiconductor, a small PDF of about 40 KB.

Datasheet in PDF format for the BD244C, judging by the name, a small 137 KB document. BD244-series parts are generally PNP power transistors in TO-220 packages, and the…

Combined datasheet for the SMBTA42 and MMBTA42, surface-mount versions of the high-voltage A42 NPN transistor, in a 525 KB PDF.

Datasheet for the EMB04N03H MOSFET, from Excelliance MOS, as a 224 KB PDF. It provides the pin assignment, voltage and current limits, on-resistance, gate charge and the…

Datasheet for the 2SC4517, a JIS-numbered NPN bipolar transistor, delivered as a 26.9 KB PDF.

Component datasheet in PDF format, about 1.26 MB, whose name suggests the DTC115EE series, a family of pre-biased digital transistors with built-in resistors.

Datasheet for the BC557 small-signal PNP transistor, a 45.8 KB PDF that matches the size of the other BC557 files in this collection.

Data sheet for the BC237 NPN small-signal transistor, supplied as a 54.8 KB PDF. It should include package outline, terminal arrangement, maximum ratings, gain groups…

Datasheet for the BC338 NPN transistor, a compact 29.8 KB PDF matching the BC337 sheet in size and probably the same family document.

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

Data sheet covering the BC548B NPN transistor, where the B suffix denotes a specific gain group, stored as a 32.8 KB PDF.

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.

Datasheet for the 2SD1427 NPN bipolar transistor, a compact 66 KB PDF from the Japanese 2SD numbering family.

Optocoupler datasheet for the SFH617A, a 429 KB PDF. This part is a phototransistor-output optocoupler commonly used in the feedback loop of switching power supplies to…

Datasheet in PDF form for a part marked C4581. The name gives only this code, which may be an abbreviated transistor marking, so check the document header to confirm the…

Datasheet PDF for the IRFP240, a 60.1 KB document. The IRFP240 is an N-channel power MOSFET in a TO-247 package, commonly found in power supplies, amplifiers and…

Datasheet in PDF format, 172 KB, for a part designated SDT2N60. The 2N60 portion is a common marking for 2 A, 600 V N-channel power MOSFETs, but confirm the ratings and…

Toshiba Semiconductor datasheet for the TPC8102 MOSFET, 472 KB in PDF. It contains the device polarity, SOP-8 style pin layout, maximum ratings, on-resistance and…

Manufacturer datasheet for the 2SK3569, a discrete transistor part number in the Japanese 2SK series, which denotes N-channel field-effect devices.

Datasheet for the 2SD1776 transistor, which the 2SD prefix marks as an NPN bipolar device for low-frequency applications.

Datasheet in PDF, 875 KB, for the FQP10N20C, an N-channel power MOSFET in a TO-220 package.

PDF datasheet, 322 KB, from Vishay Siliconix for the SiR474DP, an N-channel MOSFET in the PowerPAK SO-8 package.

Datasheet for the SG2524, a 107 KB PDF covering a member of the long-established 2524/3524 family of regulating pulse-width modulators.

MDU1512 datasheet as a 729 KB PDF. The MDU1512 is a MagnaChip N-channel power MOSFET in a compact package commonly placed in the switching stages of laptop voltage…

Sinopower datasheet for the SM3317NSQA, a PDF of about 191 KB. Parts in the Sinopower SM range are power MOSFETs commonly found in laptop and motherboard power stages…

PDF datasheet, 214 KB, for the AON7518 from Alpha and Omega Semiconductor, an N-channel MOSFET in a small DFN package.

PDF datasheet for the AONY36356, a power MOSFET part from Alpha and Omega Semiconductor, a maker widely used in laptop and motherboard voltage regulators.

Datasheet for the AON6426 MOSFET from Alpha and Omega Semiconductor, in a small 145 KB PDF.

Datasheet for the 4N25 phototransistor optocoupler, a classic six-pin DIP isolator used in power supplies, interfaces and control circuits.

Datasheet in PDF form for the 2SK3565, an N-channel field-effect transistor by its 2SK prefix under the Japanese JEDEC-style numbering.

Datasheet for the UNIKC P0903BDG, a 508 KB PDF. UNIKC (Niko Semiconductor) makes power MOSFETs often fitted in laptop VRM and power-switching circuits, and parts with…