This is a simple SOT-23 mosfet breakout to 0.1" holes, with the same pinout as TO-220 FETs, with an integrated gate-source pulldown (or up) resistor. SOT-23 MOSFETs are readily available with much better performance at low Vgs than through-hole transistors - the selection of MOSFETs in through-hole packages that work below 4.5V on the gate is very poor. With these high performance SOT-23 MOSFET breakout boards, you can switch loads up to several amps directly from your 3.3v - or even lower - projects, without having to solder tiny SMD transistors. Suitable for connection to 0.1" pin header (and from there, into breadboard), KK-100 connectors, any other connector with pins on 0.1" centers, or to directly attached wires.
Sold in panels of 6 - the panel can be easily broken apart by hand. Pulldowns are 10k. Solder mask color may vary.
All boards (except those with SI2302s on them) are marked with a colored dot (in durable enamel) to identify them, listed in parenthesis.
Specs from datasheet. Continuous current ratings taken for lowest Vgs for which this parameter was specified - current rating may be higher (and Rdson lower) with higher Vgs. Rdson in ohms.
Need beefier fets? Check out my 4-channel driver board - Vds 20v, Vgs 2.5v, 20A and an even higher rated version
Joe | Feb. 7, 2017
Richard | March 8, 2016
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I build projects with Arduino (ATtinies almost exclusively, never anything bigger than a '328p) and Espruino (often both working together), and I make a lot of circuit boards for these projects. Particularly after using my ATtiny-prototyping board for my own projects, I realized that these would be useful to other people, and decided to start selling them here on Tindie.
Strip Board, Protoboard, prototyping board, solderable breadboard - whatever you want to call it - it has been a mainstay in electronics prototyping for decades, and hasn't changed much in the interim (not even in production quality, as they're still often single-sided and/or manufactured from low-grade phenolic resin instead of FR4). My prototyping board creations bring these into the modern era, offering a combination of 0.1" through-hole prototyping areas (consisting of groups of 2, 3 or 4 pins connected together, like solderable breadboard) and pads for common surface mount packages connected to through-holes for easy soldering. To handle projects of all sizes, I offer prototyping board as large as 4" x 4", down to less than an inch square in my Mini Protoboard line. Unlike most commercial prototyping board, these boards are made to the same quality standards as real PCBs. Through-holes are plated, and the boards are double sided. These are offered in both generic versions, and ones tailored to specific microcontrollers, like the Tiny84/85, or microcontroller boards, like the Espruino Pico, Arduino Pro Mini, and the wildly popular ESP8266.
ATtiny breakout boards:
I love the ATtiny lineup, particularly some of the less popular ones, like the incredibly full-featured ATtiny841, ATtiny1634, and ATtiny828. Breakout boards for these that had the features I wanted were not readily available - so I made my own. I've since expanded my product line to include breakout boards for the ATtiny861, ATtiny167, and ATtiny88 - and all of these are available both as bare boards and assembled. In addition to designing the hardware I also maintain [ATtinyCore Universal](https://github.com/SpenceKonde/ATTinyCore), which enables Arduino support for all these ATtiny's and more.
I also sell a number of other boards to fill what I felt were gaps in the market, including a breakout board for the popular LoRa/LoRaWAN modules from Microchip (the RN2483 and 2903), which has become one of my top selling items. I also sell MOSFET drivers and breakout boards for logic level MOSFETs operating at logic levels of 2.5v and lower - while a great number of MOSFETs are available that operate with very low gate voltages, these are almost invariably SMD parts which are difficult to use without a properly designed breakout board.