N-channel MOSFET (IRLZ44N, TO-220)
IRLZ44N · TO-220 · logic level · Vth ≈ 1.8 V
Try it on the benchThe lab drops it on an empty bench and opens its datasheet card.
Typical part: IRLZ44N (TO-220, logic level)
Pins
- G
- D
- S
Ratings and limits
| V_DS | 55 V |
|---|---|
| I_D | 47 A (with heatsink) |
| V_GS | ±16 V |
| R_DS(on) | 22 mΩ at V_GS = 5 V |
| Avalanche | ≈ 0.2 J here |
How to use it
Low-side switch for motors, LED strips and heaters, driven straight from a 5 V or 3.3 V logic pin (logic-level gate). Add a gate pull-down and, for inductive loads, a flyback diode.
Lessons and builds that use it
- MOSFET low-side switch
- PWM actuator: DC motor through a MOSFET
- Inductive load and the flyback diode
- Buck converter from parts
- Boost converter from parts
- SEPIC: output above and below the input
- MPPT: perturb and observe
- Class-D amplifier from parts
- Fault-finding a switch-mode output
- 12 V low-voltage battery cutoff (build)
- PWM fan or LED dimmer (build)
- Motion-activated light (build)
- Temperature-controlled fan (build)