# Electronics - Stage 2 (technology) internal name `basic-electronics` · tier 4 (pY science pack 2, [tier 4](https://factorio.kalzumeus.com/tier/4.md)) HTML page: https://factorio.kalzumeus.com/tech/basic-electronics/ ## Cost 1000 units of (1 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 2 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 3 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 6 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 90 s each. ## Requires (4) - [Aluminium processing - Stage 2](https://factorio.kalzumeus.com/tech/aluminium-mk02.md) - [Fine electronics](https://factorio.kalzumeus.com/tech/fine-electronics.md) - [Small scale integrated circuits](https://factorio.kalzumeus.com/tech/integrated-circuits-1.md) - [Stainless steel - Stage 1](https://factorio.kalzumeus.com/tech/stainless-steel-mk01.md) ## Leads to (6) - [Advanced material processing](https://factorio.kalzumeus.com/tech/advanced-material-processing-2.md) - [Energy generation](https://factorio.kalzumeus.com/tech/energy-2.md) - [Logistics](https://factorio.kalzumeus.com/tech/logistics-2.md) - [Navens - Stage 1](https://factorio.kalzumeus.com/tech/navens.md) - [Radar - Stage 2](https://factorio.kalzumeus.com/tech/radars-mk02.md) - [Nuclear research](https://factorio.kalzumeus.com/tech/uranium-processing.md) ## Unlocks (8 recipes) ### Complex circuit board (`advanced-circuit`) - 5 s · tier 4 · productivity modules allowed - Ingredients: 1 × [Printed circuit substrate (tier 2)](https://factorio.kalzumeus.com/item/pcb2.md), 1 × [Simple circuit board](https://factorio.kalzumeus.com/item/electronic-circuit.md), 3 × [Transistors](https://factorio.kalzumeus.com/item/transistor.md), 3 × [Microchips](https://factorio.kalzumeus.com/item/microchip.md), 4 × [Toroidal inductors](https://factorio.kalzumeus.com/item/inductor2.md), 3 × [Diodes](https://factorio.kalzumeus.com/item/diode.md), 5 × [Electrolytic capacitors](https://factorio.kalzumeus.com/item/capacitor2.md), 15 × [Medium-power resistors](https://factorio.kalzumeus.com/item/resistor2.md), 2 × [Optical fiber](https://factorio.kalzumeus.com/item/optical-fiber.md), 4 × [Solder](https://factorio.kalzumeus.com/item/solder.md), 5 × [Battery](https://factorio.kalzumeus.com/item/battery-mk01.md), 5 × [MOSFET](https://factorio.kalzumeus.com/item/mosfet.md) - Results: 5 × [Complex circuit board](https://factorio.kalzumeus.com/item/advanced-circuit.md) - Made in: Chipshooter machine MK 01, Chipshooter machine MK 02, Chipshooter machine MK 03, Chipshooter machine MK 04 - Unlocked by: [Electronics - Stage 2](https://factorio.kalzumeus.com/tech/basic-electronics.md) ### Electrolytic capacitors (`capacitor2`) - 10 s · tier 4 · productivity modules allowed - Ingredients: 5 × [Ceramic capacitors](https://factorio.kalzumeus.com/item/capacitor1.md), 10 × [Aluminium plate](https://factorio.kalzumeus.com/item/aluminium-plate.md), 20 × [Tinned cable](https://factorio.kalzumeus.com/item/tinned-cable.md), 200 × [Boric acid](https://factorio.kalzumeus.com/fluid/boric-acid.md), 10 × [Aluminium pulp (stage 1)](https://factorio.kalzumeus.com/fluid/al-pulp-01.md) - Results: 5 × [Electrolytic capacitors](https://factorio.kalzumeus.com/item/capacitor2.md) - Made in: Electronics factory MK 01, Electronics factory MK 02, Electronics factory MK 03, Electronics factory MK 04 - Unlocked by: [Electronics - Stage 2](https://factorio.kalzumeus.com/tech/basic-electronics.md) ### Ferrite (`ferrite`) - 4 s · tier 4 · productivity modules allowed - Ingredients: 20 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md), 3 × [Nichrome](https://factorio.kalzumeus.com/item/nichrome.md), 10 × [Zinc plate](https://factorio.kalzumeus.com/item/zinc-plate.md) - Results: 4 × [Ferrite](https://factorio.kalzumeus.com/item/ferrite.md) - Made in: High pressure furnace MK 01, High pressure furnace MK 02, High pressure furnace MK 03, High pressure furnace MK 04 - Unlocked by: [Electronics - Stage 2](https://factorio.kalzumeus.com/tech/basic-electronics.md) ### Toroidal inductors (`inductor2`) - 5 s · tier 4 · productivity modules allowed - Ingredients: 5 × [Melamine resin](https://factorio.kalzumeus.com/item/melamine-resin.md), 5 × [Air-core inductors](https://factorio.kalzumeus.com/item/inductor1.md), 10 × [Ferrite](https://factorio.kalzumeus.com/item/ferrite.md), 20 × [Tinned cable](https://factorio.kalzumeus.com/item/tinned-cable.md) - Results: 5 × [Toroidal inductors](https://factorio.kalzumeus.com/item/inductor2.md) - Made in: Electronics factory MK 01, Electronics factory MK 02, Electronics factory MK 03, Electronics factory MK 04 - Unlocked by: [Electronics - Stage 2](https://factorio.kalzumeus.com/tech/basic-electronics.md) ### Formaldehyde (`methane-methanal`) - 4 s · tier 4 · productivity modules allowed - Ingredients: 30 × [Methane](https://factorio.kalzumeus.com/fluid/methane.md), 50 × [Oxygen](https://factorio.kalzumeus.com/fluid/oxygen.md), 3 × [Molybdenum ore](https://factorio.kalzumeus.com/item/molybdenum-ore.md) - Results: 100 × [Formaldehyde](https://factorio.kalzumeus.com/fluid/methanal.md) - Made in: Fluidised bed reactor MK 01, Fluidised bed reactor MK 02, Fluidised bed reactor MK 03, Fluidised bed reactor MK 04 - Unlocked by: [Electronics - Stage 2](https://factorio.kalzumeus.com/tech/basic-electronics.md) ### MOSFET (`mosfet`) - 6 s · tier 4 · productivity modules allowed - Ingredients: 15 × [Aluminium pulp (stage 1)](https://factorio.kalzumeus.com/fluid/al-pulp-01.md), 100 × [Sulfuric acid](https://factorio.kalzumeus.com/fluid/sulfuric-acid.md), 1 × [Aluminium plate](https://factorio.kalzumeus.com/item/aluminium-plate.md), 5 × [Rare earth oxides](https://factorio.kalzumeus.com/item/reo.md), 3 × [Silicon carbide](https://factorio.kalzumeus.com/item/sic.md), 3 × [Plastic bar](https://factorio.kalzumeus.com/item/plastic-bar.md), 2 × [NiSi](https://factorio.kalzumeus.com/item/nisi.md), 4 × [Heavily n-doped silicon](https://factorio.kalzumeus.com/item/heavy-n.md), 4 × [Lightly n-doped silicon](https://factorio.kalzumeus.com/item/light-n.md), 4 × [Lightly p-doped silicon](https://factorio.kalzumeus.com/item/p-dope.md) - Results: 4 × [MOSFET](https://factorio.kalzumeus.com/item/mosfet.md) - Made in: Electronics factory MK 01, Electronics factory MK 02, Electronics factory MK 03, Electronics factory MK 04 - Unlocked by: [Electronics - Stage 2](https://factorio.kalzumeus.com/tech/basic-electronics.md) ### NiSi (`nisi`) - 5 s · tier 4 - Ingredients: 300 × [Vacuum](https://factorio.kalzumeus.com/fluid/vacuum.md), 1 × [Nickel plate](https://factorio.kalzumeus.com/item/nickel-plate.md), 2 × [Silicon](https://factorio.kalzumeus.com/item/silicon.md), 2 × [Cobalt extract](https://factorio.kalzumeus.com/item/cobalt-extract.md) - Results: 1 × [NiSi](https://factorio.kalzumeus.com/item/nisi.md), 1 × [Cobalt extract](https://factorio.kalzumeus.com/item/cobalt-extract.md) (50% chance of 2) - Made in: Gas processing unit MK 01, Gas processing unit MK 02, Gas processing unit MK 03, Gas processing unit MK 04 - Unlocked by: [Electronics - Stage 2](https://factorio.kalzumeus.com/tech/basic-electronics.md) ### Medium-power resistors (`resistor2`) - 5 s · tier 4 · productivity modules allowed - Ingredients: 4 × [High-power resistors](https://factorio.kalzumeus.com/item/resistor1.md), 4 × [Ferrochrome](https://factorio.kalzumeus.com/item/fecr-alloy.md), 50 × [Boric acid](https://factorio.kalzumeus.com/fluid/boric-acid.md), 3 × [Cermet](https://factorio.kalzumeus.com/item/cermet.md) - Results: 4 × [Medium-power resistors](https://factorio.kalzumeus.com/item/resistor2.md) - Made in: Electronics factory MK 01, Electronics factory MK 02, Electronics factory MK 03, Electronics factory MK 04 - Unlocked by: [Electronics - Stage 2](https://factorio.kalzumeus.com/tech/basic-electronics.md)