This website uses cookies. By using this site, you consent to the use of cookies. For more information, please take a look at our Privacy Policy.

Orders Over

Get a $50 Discount !


N-Channel Transistor MOSFET with 800V Voltage Rating, 19A Current Rating, TO-247 Package

ISO14001 ISO9001 DUNS

Brands: Stmicroelectronics

Mfr.Part #: STW18NK80Z

Datasheet: STW18NK80Z Datasheet (PDF)

Package/Case: TO-247-3

Product Type: Single FETs, MOSFETs

RoHS Status:

Stock Condition: 2,277 pcs, New Original

Warranty: 1 Year Ovaga Warranty - Find Out More

Quick Quote

Please submit RFQ for STW18NK80Z or email to us: Email: [email protected], we will contact you within 12 hours.

STW18NK80Z General Description

Built for high performance and reliability, the STW18NK80Z is a top-of-the-line N-channel Power MOSFET designed to meet the demands of high power applications. Its 800V maximum drain-source voltage and 18A continuous drain current make it ideal for a variety of industrial and automotive uses. The MOSFET's low on-resistance of 0.3 ohms minimizes power losses and improves overall efficiency in power conversion circuits, while its high di/dt capability allows for fast switching speeds, enhancing performance in applications where switching frequency is critical. With a TO-247 package, the STW18NK80Z offers high thermal performance and reliability, making it suitable for demanding operating conditions. It also features avalanche ruggedness, ensuring long-term reliability in harsh environments



  • Enhanced immunity to latch-up
  • Precise temperature compensation
  • Consistent performance at high frequencies


  • Reliable for motor control
  • Ideal for lighting systems
  • Advanced telecommunication


Parameter Value Parameter Value
Product Category MOSFET RoHS Details
Technology Si Mounting Style Through Hole
Package / Case TO-247-3 Transistor Polarity N-Channel
Number of Channels 1 Channel Vds - Drain-Source Breakdown Voltage 800 V
Id - Continuous Drain Current 19 A Rds On - Drain-Source Resistance 380 mOhms
Vgs - Gate-Source Voltage - 30 V, + 30 V Minimum Operating Temperature - 55 C
Maximum Operating Temperature + 150 C Pd - Power Dissipation 350 W
Channel Mode Enhancement Series STW18NK80Z
Brand STMicroelectronics Configuration Single
Fall Time 32 ns Height 20.15 mm
Length 15.75 mm Product Type MOSFET
Rise Time 32 ns Factory Pack Quantity 30
Subcategory MOSFETs Transistor Type 1 N-Channel
Type MOSFET Typical Turn-Off Delay Time 140 ns
Typical Turn-On Delay Time 46 ns Width 5.15 mm
Unit Weight 0.211644 oz


Shipping Type Ship Fee Lead Time
DHL DHL $20.00-$40.00 (0.50 KG) 2-5 days
Fedex Fedex $20.00-$40.00 (0.50 KG) 2-5 days
UPS UPS $20.00-$40.00 (0.50 KG) 2-5 days
TNT TNT $20.00-$40.00 (0.50 KG) 2-5 days
EMS EMS $20.00-$40.00 (0.50 KG) 2-5 days
REGISTERED AIR MAIL REGISTERED AIR MAIL $20.00-$40.00 (0.50 KG) 2-5 days

Processing Time:Shipping fee depend on different zone and country.


Terms of payment Hand Fee
Wire Transfer Wire Transfer charge US$30.00 banking fee.
Paypal Paypal charge 4.5% service fee.
Credit Card Credit Card charge 3.5% service fee.
Western Union Western Union charge US.00 banking fee.
Money Gram Money Gram charge US$0.00 banking fee.


1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


  • Product

    Step1 :Product

  • Vacuum packaging

    Step2 :Vacuum packaging

  • Anti-static bag

    Step3 :Anti-static bag

  • Individual packaging

    Step4 :Individual packaging

  • Packaging boxes

    Step5 :Packaging boxes

  • bar-code shipping tag

    Step6 :bar-code shipping tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

  • ESD
  • ESD

Equivalent Parts

For the STW18NK80Z component, you may consider these replacement and alternative parts:

Part Number




Part Number :   IRFP4868PBF

Brands :  

Package :   TO-247AC

Description :   N-Channel MOSFET, 70 A, 300 V HEXFET, 3-Pin TO-247AC Infineon

Part Number :   FQA18N80C

Brands :  

Package :  

Description :  

Part Number :   IXFK18N80P

Brands :  

Package :  

Description :  

Part Number :   IPP18CN10N

Brands :  

Package :  

Description :  

Part Number :   TK18N80X

Brands :  

Package :  

Description :  

Part points

  • The STW18NK80Z is a power MOSFET transistor designed for high voltage and high power applications. It has a maximum voltage rating of 800V and a current rating of 18A. This chip is commonly used in power supplies, motor control, and inverters due to its high efficiency and low on-resistance.
  • Equivalent

    The equivalent products of STW18NK80Z chip include STW18N80K5, STW18N80K5-EP, STW18NC80Z, IRFP460, IRFP250, IRFP350, IRFP450, and IRFP240. These are all power MOSFET transistors designed for high current and voltage applications in various electronics devices.
  • Features

    1. N-channel Power MOSFET 2. 800V breakdown voltage 3. 12A continuous drain current 4. Low on-resistance (180 mΩ) 5. Fast switching performance 6. High avalanche ruggedness 7. Suitable for high voltage applications 8. RoHS compliant package (Note: The information provided is based on the datasheet of STW18NK80Z)
  • Pinout

    The STW18NK80Z is an 800V N-channel MOSFET with a TO-247 package. It has 3 pins: gate (G), drain (D), and source (S). The pinout is as follows: G (pin 1), S (pin 2), and D (pin 3). The function of the MOSFET is to switch high power loads in various power applications.
  • Manufacturer

    STMicroelectronics is the manufacturer of the STW18NK80Z. It is a global semiconductor company that designs, manufactures, and markets a wide range of products, including discrete and integrated circuits for various industries such as automotive, industrial, personal electronics, and telecommunications.
  • Application Field

    The STW18NK80Z is primarily used in applications such as automotive powertrain, lighting, and small electric vehicle systems. Its features, including high power efficiency and low RDS(on) resistance, make it suitable for power switching and amplification in various electronic devices and industrial applications.
  • Package

    The STW18NK80Z chip comes in a TO-247 package type, with a through-hole mounting style. It measures approximately 15.5mm x 3.5mm x 21mm.

Datasheet PDF

Preliminary Specification STW18NK80Z PDF Download

We provide high quality products, thoughtful service and after sale guarantee

  • Product

    We have rich products, can meet your various needs.

  • quantity

    Minimum order quantity starts from 1pcs.

  • shipping

    Lowest international shipping fee starts from $0.00

  • guarantee

    365 days quality guarantee for all products

Ratings and Reviews

Please rate the product !
Please enter a comment

Please submit comments after logging into your account.



  • PD55008


    STMicroelectronics, Inc

    MOSFET with formed lead design for easy installati...

  • ESM6045AV


    Stmicroelectronics Nv

    Robust 4-pin Transistor Module with Darlington NPN...

  • STW45NM50FD



    High-power 500V N-channel MOSFET rated for 45A

  • STW43NM60ND



    STW43NM60ND is an N-Channel power MOSFET with a 60...

  • STW20NM50FD



    FAST DIODE integrated into this N-Channel Power MO...

  • STW20NM50



    Maximum voltage rating of 500V and maximum current...