Rectifier diode (1N4007, 1N4001, 1N5408)
1N4007 · General-purpose rectifier · 1 A · 1000 V
Try it on the benchThe lab drops it on an empty bench and opens its datasheet card.
Typical part: 1N4001–1N4007 / 1N5408
Pins
- Anode
- Cathode (band)
Ratings and limits
| Peak inverse voltage | 1000 V |
|---|---|
| Average forward current | 1 A |
| Surge (8.3 ms) | 30 A |
How to use it
Rectifiers and reverse-polarity protection. The band marks the cathode.
Lessons and builds that use it
- Diode forward and reverse bias
- Half-wave rectifier
- Voltage doubler and Cockcroft–Walton multiplier
- 65 W USB-C PD charger from scratch: mains flyback (UC3844, 800 V MOSFET, PQ2625 transformer), TL431 + PC817 feedback, PD controller (build)
- 4. Diode: reverse-polarity protection (build)
- 5. Capacitor: a soft fade-out (build)
- 6. LDR: sensing light (build)
- 7. Transistor: the light switches itself (build)
- 10. Relay: switching a real lamp (build)
- 11. PIR sensor: only when someone is there (build)
- 12. 555 timer: stay on after they pass (build)
- 13. Buzzer: an alarm mode (build)
- 14. Solar: the light runs off-grid (build)
- Home UPS on a 24 V LiFePO4 battery: charger, inverter, changeover relays, two 220 V outputs (build)