PMN28UNEX
PMN28UNE - 20 V, N-CHANNEL TRENC
Transistors Fets Mosfets Single
SC-74, SOT-457
Active
$0.09 / unit (market reference)
MOQ: 3359 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | PMN28UNEX |
| Package / Case | SC-74, SOT-457 |
| Mounting Type | Surface Mount |
| Operating Temperature | 150°C (TJ) |
| FET Type | N-Channel |
| Drain to Source Voltage (Vdss) | 20 V |
| Rds On (Max) | 32mOhm @ 5.5A, 4.5V |
| Vgs(th) (Max) | 1V @ 250µA |
| Gate Charge (Qg) | 10 nC @ 4.5 V |
| Input Capacitance (Ciss) | 490 pF @ 10 V |
| Power Dissipation (Max) | 570mW (Ta), 6.25W (Tc) |
| Drive Voltage | 1.8V, 4.5V |
| Supplier Device Package | 6-TSOP |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
PMN28UNEX by Rochester Electronics, LLC is an N-channel power MOSFET rated at 20 V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The SC-74, SOT-457 package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 32mOhm @ 5.5A, 4.5V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for PMN28UNEX
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All Technical Specifications
| FET Type | N-Channel |
| Vgs (Max) | ±8V |
| Technology | MOSFET (Metal Oxide) |
| Vgs(th) (Max) @ Id | 1V @ 250µA |
| Rds On (Max) @ Id, Vgs | 32mOhm @ 5.5A, 4.5V |
| Power Dissipation (Max) | 570mW (Ta), 6.25W (Tc) |
| Gate Charge (Qg) (Max) @ Vgs | 10 nC @ 4.5 V |
| Drain to Source Voltage (Vdss) | 20 V |
| Input Capacitance (Ciss) (Max) @ Vds | 490 pF @ 10 V |
| Drive Voltage (Max Rds On, Min Rds On) | 1.8V, 4.5V |
| Current - Continuous Drain (Id) @ 25°C | 5.5A (Ta) |
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