NTTFS4943NTAG
MOSFET N-CH 30V 8A/41A 8WDFN
Transistors Fets Mosfets Single
8-PowerWDFN
Obsolete
$0.59 / unit (market reference)
MOQ: 507 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | onsemi |
| Model | NTTFS4943NTAG |
| Package / Case | 8-PowerWDFN |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| FET Type | N-Channel |
| Drain to Source Voltage (Vdss) | 30 V |
| Rds On (Max) | 7.2mOhm @ 20A, 10V |
| Vgs(th) (Max) | 2.2V @ 250µA |
| Gate Charge (Qg) | 20.4 nC @ 10 V |
| Input Capacitance (Ciss) | 1386 pF @ 15 V |
| Power Dissipation (Max) | 840mW (Ta), 22.3W (Tc) |
| Drive Voltage | 4.5V, 10V |
| Supplier Device Package | 8-WDFN (3.3x3.3) |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
NTTFS4943NTAG by onsemi is an N-channel power MOSFET rated at 30 V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The 8-PowerWDFN package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 7.2mOhm @ 20A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for NTTFS4943NTAG
Alternatives & Replacements
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RJK03C0DPA-00#J53
MOSFET N-CH 30V 70A 8WPAK
FDMC86106LZ
MOSFET N-CH 100V 3.3A POWER33
All Technical Specifications
| FET Type | N-Channel |
| Vgs (Max) | ±20V |
| Technology | MOSFET (Metal Oxide) |
| Vgs(th) (Max) @ Id | 2.2V @ 250µA |
| Rds On (Max) @ Id, Vgs | 7.2mOhm @ 20A, 10V |
| Power Dissipation (Max) | 840mW (Ta), 22.3W (Tc) |
| Gate Charge (Qg) (Max) @ Vgs | 20.4 nC @ 10 V |
| Drain to Source Voltage (Vdss) | 30 V |
| Input Capacitance (Ciss) (Max) @ Vds | 1386 pF @ 15 V |
| Drive Voltage (Max Rds On, Min Rds On) | 4.5V, 10V |
| Current - Continuous Drain (Id) @ 25°C | 8A (Ta), 41A (Tc) |
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