STMicroelectronicsPolarPak®RoHS
STK850
MOSFET N-CH 30V 30A POLARPAK
Category
Subcategory
Transistors Fets Mosfets Single
Package
PolarPak®
Series
STripFET™
Status
Obsolete
Datasheet
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | STK850 |
| Package / Case | PolarPak® |
| 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) | 2.9mOhm @ 15A, 10V |
| Vgs(th) (Max) | 2.5V @ 250µA |
| Gate Charge (Qg) | 32.5 nC @ 4.5 V |
| Input Capacitance (Ciss) | 3150 pF @ 25 V |
| Power Dissipation (Max) | 5.2W (Tc) |
| Drive Voltage | 4.5V, 10V |
| Supplier Device Package | PolarPak® |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
STK850 by STMicroelectronics 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 PolarPak® package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 2.9mOhm @ 15A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for STK850
Alternatives & Replacements
View All →All Technical Specifications
| FET Type | N-Channel |
| Vgs (Max) | ±16V |
| Technology | MOSFET (Metal Oxide) |
| Vgs(th) (Max) @ Id | 2.5V @ 250µA |
| Rds On (Max) @ Id, Vgs | 2.9mOhm @ 15A, 10V |
| Power Dissipation (Max) | 5.2W (Tc) |
| Gate Charge (Qg) (Max) @ Vgs | 32.5 nC @ 4.5 V |
| Drain to Source Voltage (Vdss) | 30 V |
| Input Capacitance (Ciss) (Max) @ Vds | 3150 pF @ 25 V |
| Drive Voltage (Max Rds On, Min Rds On) | 4.5V, 10V |
| Current - Continuous Drain (Id) @ 25°C | 30A (Tc) |
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