STF21N90K5

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STF21N90K5

MOSFET N-CH 900V 18.5A TO220FP

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  • Mfr. Parte #STF21N90K5
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Especificaciones

Supplier STMicroelectronics
Package Tube
Series SuperMESH5™
ProductStatus Active
FETType N-Channel
Technology MOSFET (Metal Oxide)
DraintoSourceVoltage(Vdss) 900 V
Current-ContinuousDrain(Id)@25°C 18.5A (Tc)
DriveVoltage(MaxRdsOnMinRdsOn) 10V
RdsOn(Max)@IdVgs 299mOhm @ 9A, 10V
Vgs(th)(Max)@Id 5V @ 100µA
GateCharge(Qg)(Max)@Vgs 43 nC @ 10 V
Vgs(Max) ±30V
InputCapacitance(Ciss)(Max)@Vds 1645 pF @ 100 V
PowerDissipation(Max) 40W (Tc)
OperatingTemperature -55°C ~ 150°C (TJ)
MountingType Through Hole
SupplierDevicePackage TO-220FP

Descripción general

Description

STF21N90K5 is a high‑voltage N‑channel power MOSFET from STMicroelectronics. It is designed for fast switching in high‑voltage power electronics such as switch‑mode power supplies, PFC stages, DC‑DC converters, motor drives and inverters. The device typically features a 900 V drain‑to‑source rating and is capable of handling tens of amperes of continuous current depending on package and cooling, with rugged safe‑operating‑area and good transient tolerance. It emphasizes low drive current requirements and fast switching performance, making it suitable for aggressive high‑voltage applications. Packaging options usually include common through‑hole and surface‑mount power packages. For precise figures (RDS(on), total gate charge, switching times, avalanche energy, and exact packaging), consult the latest STMicroelectronics datasheet or product selector tool.

Features

STF21N90K5 is a high-voltage N-channel device from STMicroelectronics. Key features:
- Vds: 900 V blocking voltage
- Id: 21 A continuous drain current
- N-channel enhancement-mode device
- Fast switching performance for high-efficiency SMPS and motor drives
- Avalanche ruggedness and robust short-circuit protection
- Suitable for high-temperature operation with wide TJ range
- Available in rugged power-package options (surface-mount and through-hole variants typically used)
Applications: switch-mode power supplies, industrial motor drives, solar inverters, and high-voltage switching stages.

Package

TO-220AB (through-hole) package.

Pinout

- Pin count: 3 external pins (plus the metal tab).
- Pin functions: Pin 1 = Gate (G), Pin 2 = Drain (D), Pin 3 = Source (S); the package/tab is electrically the Drain.
- Device function: STF21N90K5 is a high‑voltage N‑channel power MOSFET used as a fast switching element in power converters, SMPS, motor drives and other high‑voltage switching applications.

Manufacturer

Manufacturer: STMicroelectronics (ST).
What kind of company: STMicroelectronics is a multinational semiconductor manufacturer that designs and produces integrated circuits and discrete semiconductor devices — including power MOSFETs, IGBTs, analog ICs, microcontrollers, sensors and related components.

Application

- Offline switch-mode power supplies (flyback, forward, resonant topologies)
- PFC stages
- Solar/inverter power stages
- Uninterruptible power supplies (UPS) and energy-storage inverters
- AC motor drives and other high-voltage telecom/industrial power supplies

Equivalent

Direct equivalent: STP21N90K5 (same 900V N‑channel MOSFET silicon, different packaging). For cross‑refs from other manufacturers (Infineon, Vishay, Wolfspeed), provide preferred package and region and I’ll supply exact part numbers.

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

Pagos

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3. Transferencia bancaria

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