STMicroelectronics STripFET™ II, STN4NF03L, N-Channel MOSFET, 30V Vdss, 6.5A Id, 50mOhm Rds(on) at 10V, SOT-223, -55°C to 150°C.
| Parameter | Value |
|---|---|
| Series | STripFET™ II |
| FET type | N-Channel |
| Mounting | Surface Mount |
| Drain to source voltage | 30 V |
| Drive voltage (Max rds on, min rds on) | 5V, 10V |
| Current - continuous drain (Id) @ 25°C | 6.5A (Tc) |
| Power dissipation | 3.3W (Tc) |
| Operating temperature | -55°C ~ 150°C (TJ) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Vgs | ±16V |
| Technology | MOSFET (Metal Oxide) |
| Case | TO-261-4, TO-261AA |
| Vgs(th) (Max) @ id | 1V @ 250µA |
| Rds on (Max) @ id, vgs | 50mOhm @ 2A, 10V |
| Gate charge (Qg) (Max) @ vgs | 9 nC @ 10 V |
| Input capacitance (Ciss) (Max) @ vds | 330 pF @ 25 V |
The STN4NF03L: It comes in a SOT-223 surface-mount package — the same footprint as a medium-power bipolar transistor, so it swaps into existing board layouts without a respin.
The minimum recommended drive voltage is 5 V.
The 3.3 W power dissipation at case temperature is the thermal budget — in a SOT-223 without a copper pour, you'll derate that to about 1.5 W in still air at 70°C ambient.
Buyers need to find distributors that stock this exact part with real inventory to avoid delays.
Pricing directly affects BOM cost and sourcing decisions for procurement teams.
Availability determines if immediate purchase is possible or if lead time is needed for production.
Engineers and buyers need alternatives for second sourcing or if part is unavailable.
The datasheet provides all electrical and mechanical parameters required for design validation.
Correct pin configuration is essential for PCB layout and ensuring compatibility in the circuit.