# Americium 243

Pyanodons item · internal name `am-243` · stack size 100 · first craftable in tier 6 (pY science pack 3, [tier 6](https://factorio.kalzumeus.com/tier/6.md))
HTML page: https://factorio.kalzumeus.com/item/am-243/

## Produced by (2 recipes)

### Americium 243 (`pu-242-transmutation`)

- 2.5 s · tier 6
- Ingredients: 12 × [Plutonium 242](https://factorio.kalzumeus.com/item/pu-242.md)
- Results: 4 × [Americium 243](https://factorio.kalzumeus.com/item/am-243.md), 1 × [Uranium 238](https://factorio.kalzumeus.com/item/u-238.md), 10 × [Helium](https://factorio.kalzumeus.com/fluid/helium.md)
- Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04
- Unlocked by: [Nuclear power](https://factorio.kalzumeus.com/tech/nuclear-power.md)

### Americium 241 (`americium-seperation`)

- 10 s · tier 9
- Ingredients: 5 × [Americium Oxide](https://factorio.kalzumeus.com/item/americium-oxide.md)
- Results: 2.5 × [Americium 241](https://factorio.kalzumeus.com/item/am-241.md) (50% chance of 5), 2.5 × [Americium 243](https://factorio.kalzumeus.com/item/am-243.md) (50% chance of 5)
- Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04
- Unlocked by: [Nuclear Power - Stage 3](https://factorio.kalzumeus.com/tech/nuclear-power-mk03.md)

## Used in (3 recipes)

- Fuel rod MK 02 (`fuelrod-mk02`, tier 6) → [Fuel rod MK 02](https://factorio.kalzumeus.com/item/fuelrod-mk02.md)
- Curium 250 (`am-243-transmutation-2`, tier 7) → [Curium 250](https://factorio.kalzumeus.com/item/cm-250.md)
- Plutonium 239 (`am-243-transmutation`, tier 7) → [Plutonium 239](https://factorio.kalzumeus.com/item/pu-239.md)