Fuse
Blade fuse (ATO) in inline holder · 10 A · ATO/ATC blade · 32 V DC · 1000 A interrupting

Try it on the benchThe lab drops it on an empty bench and opens its datasheet card.
Typical part: ATO/ATC blade or 5×20 mm glass
Ratings and limits
| Rating | 10 A |
|---|---|
| Voltage | 32 V DC (blade) |
| Speed | fast |
How to use it
Put it as close to the battery or source as possible; size it to protect the wire, about 1.25× the normal load current.
Lessons and builds that use it
- Fuses and fault current
- SCR crowbar over-voltage protection
- Inrush limiting with an NTC
- Router DC UPS (build)
- 50 Ah 12 V LiFePO4 battery (4S9P, 32700 cells) with charger (build)
- 100 Ah 12 V LiFePO4 battery (4S17P, 32700 cells) with charger (build)
- 200 Ah power station from four 3.2 V prismatic LiFePO4 cells: 4S BMS, 2 × 12 V, 3 × USB, mains charger (build)
- 200 Ah power station on a 12.8 V LiFePO4 battery: 2 × 12 V, 3 × USB, mains charger (build)
- 65 W USB-C PD stage on a ready-made 24 V supply: buck converter, PD controller, load switch (build)
- 65 W USB-C PD charger from scratch: mains flyback (UC3844, 800 V MOSFET, PQ2625 transformer), TL431 + PC817 feedback, PD controller (build)
- Home UPS on a 24 V LiFePO4 battery: charger, inverter, changeover relays, two 220 V outputs (build)
- Home UPS on 8 × 3.2 V LiFePO4 cells + BMS: charger, inverter, changeover relays, two 220 V outputs (build)
- Real device: phone charger, 220 V AC wall to 5 V USB (build)
- Real device: laptop charger, 220 V AC wall to 20 V with PFC (build)