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Acoustic components [62]
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Antenna amplifiers [4]
Automatic components [66]
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Batteries and rechargeable batteries [306]
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Chemical products [215]
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Communication components [8]
Connectors [2389]
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Development boards [147]
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Enclosures [1220]
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Fans and accessories [277]
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Fuses and fuse holders [683]
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Heatsinks, cooling [299]
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Limit switches and snap action switches [194]
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Measuring accessories [442]
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Mechanical components [376]
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Optoelectronics [366]
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Passive components [2510]
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Power Supplies [298]
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Raspberry Pi [1]
Relays and accessories [615]
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- Solid state relays [99]
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Semiconductors [2262]
- Accessories for semiconductors [18]
- Bridge Rectifiers [66]
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- Diodes [360]
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Sensors [509]
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- Magnets [73]
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Switches and indicators [1160]
- Cam switches [58]
- DIP switches [16]
- Encoders [6]
- Encoding switches [8]
- Foot switches [17]
- Indicators [97]
- Joysticks [18]
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- Keypads [2]
- Non-contact optical switches [6]
- Push button switches [442]
- Rocker switches [155]
- Rotary switches [41]
- Slide switches [12]
- Switch accessories [67]
- Tact switch caps [23]
- Tact switches [97]
  - SMD tact switches [27]
  - THT tact switches [70]
- Toggle switches [77]
Transformers [128]
- Autotransformers [5]
- Coilformers and cores [7]
- Current transformers [5]
- PCB mounted transformers [77]
- Toroidal transformers [22]
- Transformers for DIN rail [5]
- Transformers with fastening [7]
Various [20]
Wires and cables [871]
- Accessories for cables and cables [6]
- Cable assemblies [44]
  - Patch cables [14]
  - USB and HDMI cables [30]
- Data transmission wires [127]
- Equipment wires [250]
- Flat wires [43]
- Heat shrinkable tubes [188]
- Kynar [18]
- Mains / control wires [79]
- Power supply cords [47]
- Silicon wires [33]
- Silver plated wires [12]
- Speaker wires [24]
Workplace equipment [686]
- Copper laminate [22]
- Crimping tools and strippers [43]
- Drills and drill bits [59]
- Measurement devices [71]
- Other workplace components [25]
- Pliers [34]
- Screwdrivers [4]
- Soldering components [191]
- Soldering tips [97]
- String bags [21]
- Tapes [38]
- Tweezers [30]
- Universal printed circuit boards [51]

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Recommended

Switch; push button; HPB22-D11; ON-OFF+OFF-ON; red & green; no backlight; screw; 2 positions; 5A; 230V AC; 22mm; 42,5mm; Highly

Switch; Highly; HPB22-D11
from 13,59 PLN net

Heatsink; SSRTH-76; for 1 phase SSR; with TS15 DIN rail handle; with holes; plain; 1,7K/W; 76mm; 44mm; 72mm

Heatsink; SSRTH-76; for 1 phase SSR; 1,7K/W
from 16,36 PLN net

Capacitor; polypropylene; motor; 416100227; 2,5uF; 475V; fi 28x55mm; 6,3mm connectors; screw without nut; Ducati; RoHS

Capacitor; Ducati; 416100227; 2,5uF; 475V
from 4,78 PLN net

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Long weekend

Dear Customers,

We would like to inform you that Firma Piekarz will be closed on June 19-22. We will process orders placed during this period from Monday, June 23.

Yours sincerely
Firma Piekarz team

Adam Piekarz, 2025-06-16

Bestsellers

Transistor; bipolar; BC547B; NPN; 100mA; 45V; 500mW; 300MHz; TO92; through hole (THT); Diotec; bulk; RoHS

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Female terminal; BL-T; straight; 2,54mm; for cable; crimped; 0,08÷0,34mm2; 2,5A; 250V; RoHS

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Connector; instalation; 221-412; 2 ways; 7mm; 32A; 450V; for cable; for all wire types; jumper; spring; 0,2÷4mm2; orange; clear; Wago; RoHS

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Microcontroller; ATMega8A-PU; DIP28; through hole (THT); Atmel; RoHS

Microcontroller; Atmel; ATMega8A-PU
from 8,27 PLN net

Bridge rectifier; 2W10; 2A; 1000V; round; through hole (THT); RB15 type fi9x4mm; MDD; RoHS

Bridge rectifier; MDD; 2W10
from 0,35 PLN net