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STF9NK90Z
+BOMMOSFET N-CH 900V 8A TO220FP
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ManufacturerSTMicroelectronics
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Mfr. Part #STF9NK90Z
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Datasheet STF9NK90Z DataSheet
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Package TO-220FP
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In Stock5468
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Specifications
| Attribute | Value |
| Package / Case | Tube |
| Series | SuperMESH™ |
| Part Status | Active |
| FET Type | N-Channel |
| Technology | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 900 V |
| Current - Continuous Drain(Id) @ 25°C | 8A (Tc) |
| Drive Voltage(Max Rds On Min Rds On) | 10V |
| Rds On(Max) @ Id Vgs | 1.3Ohm @ 3.6A, 10V |
| Vgs(th)(Max) @ Id | 4.5V @ 100µA |
| Gate Charge(Qg)(Max) @ Vgs | 72 nC @ 10 V |
| Vgs(Max) | ±30V |
| Input Capacitance(Ciss)(Max) @ Vds | 2115 pF @ 25 V |
| Power Dissipation (Max) | 40W (Tc) |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Through Hole |
| Supplier Device Package | TO-220FP |
Overview
Description
- 900V Drain-Source Voltage (VDSS) – Suitable for robust power handling.
- Low On-Resistance (RDS(on)) – Typically 0.65Ω, reducing conduction losses.
- Fast Switching – Optimized for efficiency in power supplies, motor drives, and inverters.
- Avalanche-Rated – Enhances reliability in harsh conditions.
- TO-220FP Package – Provides thermal efficiency and mechanical strength.
Ideal for SMPS, lighting, and industrial applications, the STF9NK90Z balances performance with durability. Always refer to the datasheet for detailed specifications.
Equivalent
- STP9NK90Z (Similar specs, TO-220 package)
- IRF840 (500V, 8A, common alternative)
- FQP9N90C (900V, 9A, Fairchild)
- IXFH9N90 (900V, 9A, IXYS)
Check datasheets for exact compatibility in your circuit.
Features
- Voltage Rating: 900V, suitable for high-voltage applications.
- Current Rating: 7.5A (continuous drain current).
- Low On-Resistance (RDS(on)): 1.35Ω (max), reducing power losses.
- Fast Switching: Optimized for high-speed applications.
- Avalanche Energy Rated: Enhances reliability in rugged conditions.
- Package: TO-220FP (isolated tab), improving thermal performance.
- Applications: Used in power supplies, motor drives, and lighting systems.
This MOSFET balances high voltage tolerance with efficient switching performance.
Pinout
1. Gate (G): Controls the switching operation.
2. Drain (D): Connects to the load (high-voltage side).
3. Source (S): Connects to ground (low-voltage side).
Key features:
- 900V drain-source voltage (VDSS).
- 7.5A continuous drain current (ID).
- Low on-resistance (RDS(on)).
- Suitable for switching applications (e.g., power supplies, motor drives).
Package: TO-220FP (isolated tab).
Manufacturer
STMicroelectronics specializes in designing and producing a wide range of semiconductor solutions, including microcontrollers, sensors, power devices, and analog ICs. The company serves industries like automotive, industrial, consumer electronics, and IoT.
The STF9NK90Z is a 900V, N-channel MOSFET designed for high-voltage, high-efficiency applications such as power supplies, lighting, and motor control. It features low gate charge and fast switching, making it suitable for energy-efficient designs.
STMicroelectronics is known for its innovation, reliability, and global presence in the semiconductor market.
Application
1. Switching Power Supplies – Efficient high-voltage switching in AC-DC and DC-DC converters.
2. Lighting Systems – Ballasts and LED drivers for stable power control.
3. Motor Drives – Controls motors in appliances and industrial equipment.
4. Industrial Applications – Power inverters, UPS systems, and welding equipment.
5. Consumer Electronics – Energy-efficient power management in TVs and adapters.
Its high voltage tolerance and low on-resistance make it ideal for energy-efficient, high-power switching applications.
