RFM3N45
N-CHANNEL POWER MOSFET
Transistors Fets Mosfets Single
TO-204AA, TO-3
Active
$0.89 / unit (market reference)
MOQ: 336 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | RFM3N45 |
| Package / Case | TO-204AA, TO-3 |
| Mounting Type | Through Hole |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| FET Type | N-Channel |
| Drain to Source Voltage (Vdss) | 450 V |
| Rds On (Max) | 3Ohm @ 1.5A, 10V |
| Vgs(th) (Max) | 4V @ 1mA |
| Input Capacitance (Ciss) | 750 pF @ 25 V |
| Power Dissipation (Max) | 75W (Tc) |
| Drive Voltage | 10V |
| Supplier Device Package | TO-3 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
RFM3N45 by Rochester Electronics, LLC is an N-channel power MOSFET rated at 450 V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The TO-204AA, TO-3 package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 3Ohm @ 1.5A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for RFM3N45
Alternatives & Replacements
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N-CHANNEL POWER MOSFET
IRF331
N-CHANNEL POWER MOSFET
IRF341
N-CHANNEL POWER MOSFET
IRF122
N-CHANNEL POWER MOSFET
IRF231
N-CHANNEL POWER MOSFET
IRF431
MOSFET N-CH 450V 4.5A TO3
All Technical Specifications
| FET Type | N-Channel |
| Vgs (Max) | ±20V |
| Technology | MOSFET (Metal Oxide) |
| Vgs(th) (Max) @ Id | 4V @ 1mA |
| Rds On (Max) @ Id, Vgs | 3Ohm @ 1.5A, 10V |
| Power Dissipation (Max) | 75W (Tc) |
| Drain to Source Voltage (Vdss) | 450 V |
| Input Capacitance (Ciss) (Max) @ Vds | 750 pF @ 25 V |
| Drive Voltage (Max Rds On, Min Rds On) | 10V |
| Current - Continuous Drain (Id) @ 25°C | 3A (Tc) |
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