STL18N55M5
MOSFET N-CH 550V 2.4A POWERFLAT
Transistors Fets Mosfets Single
8-PowerVDFN
MDmesh™ V
Obsolete
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | STL18N55M5 |
| Package / Case | 8-PowerVDFN |
| Mounting Type | Surface Mount |
| Operating Temperature | 150°C (TJ) |
| FET Type | N-Channel |
| Drain to Source Voltage (Vdss) | 550 V |
| Rds On (Max) | 270mOhm @ 6A, 10V |
| Vgs(th) (Max) | 5V @ 250µA |
| Gate Charge (Qg) | 31 nC @ 10 V |
| Input Capacitance (Ciss) | 1352 pF @ 100 V |
| Power Dissipation (Max) | 3W (Ta), 90W (Tc) |
| Drive Voltage | 10V |
| Supplier Device Package | PowerFlat™ (8x8) HV |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
STL18N55M5 by STMicroelectronics is an N-channel power MOSFET rated at 550 V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The 8-PowerVDFN package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 270mOhm @ 6A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for STL18N55M5
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All Technical Specifications
| FET Type | N-Channel |
| Vgs (Max) | ±25V |
| Technology | MOSFET (Metal Oxide) |
| Vgs(th) (Max) @ Id | 5V @ 250µA |
| Rds On (Max) @ Id, Vgs | 270mOhm @ 6A, 10V |
| Power Dissipation (Max) | 3W (Ta), 90W (Tc) |
| Gate Charge (Qg) (Max) @ Vgs | 31 nC @ 10 V |
| Drain to Source Voltage (Vdss) | 550 V |
| Input Capacitance (Ciss) (Max) @ Vds | 1352 pF @ 100 V |
| Drive Voltage (Max Rds On, Min Rds On) | 10V |
| Current - Continuous Drain (Id) @ 25°C | 2.4A (Ta), 13A (Tc) |
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