MAANIHTYUW
0 ratings
10pcs 2SK4145 TO-220 K4145 TO220 2SK4145-S19-AY New for Arrival 2025 High for Quality
genuine image
10pcs 2SK4145 TO-220 K4145 TO220 2SK4145-S19-AY New for Arrival 2025 High for Quality
Our products are made with top-of-the-line electronics components, ensuring reliable and long-lasting performance.
10pcs 2SK4145 TO-220 K4145 TO220 2SK4145-S19-AY New for Arrival 2025 High for Quality
Item #: 103717686

10pcs 2SK4145 TO-220 K4145 TO220 2SK4145-S19-AY New for Arrival 2025 High for Quality

97% of respondents would recommend this to a friend

Item #: 103717686
0 ratings Write a review
Out of stock
us Imported from USA store
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Our products are made with top-of-the-line electronics components, ensuring reliable and long-lasting performance.
Search for similar products
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Quality
The 2SK4145 transistors are manufactured to high-quality standards, ensuring durability and reliable performance in various applications, especially in power amplification.
Versatile Use
Designed for a wide range of electronic circuits, the TO-220 package makes these transistors suitable for both industrial and consumer electronics projects.
New Arrival 2025
Being a new arrival in 2025, these transistors incorporate the latest technology, offering improved efficiency and better thermal performance compared to older models.

Product Details

Shop 10pcs 2SK4145 TO-220 K4145 TO220 2SK4145-S19-AY New for Arrival 2025 High for Quality online at a best price in Grenada. B0DQH18V74
Item Weight0.5 lbs (230 grams)

Who Should Buy?

Suitable For
  • Electronics Hobbyists

    Ideal for individuals designing or repairing circuits, needing reliable transistors for various electronic projects.

  • DIY Projects

    Great for makers and DIY enthusiasts wanting to build amplifiers or power supplies with quality performance.

  • Circuit Designers

    Useful for professionals developing efficient power management systems in various electronic applications.

Not Suitable For
  • Large Scale Production

    Not suitable for manufacturers requiring bulk components as this package offers only a limited quantity.

Product Description

10pcs 2SK4145 TO-220 K4145 TO220 2SK4145-S19-AY New for Arrival 2025 High for Quality

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the 2SK4145 transistor used for?

    Answer: The 2SK4145 is an N-channel MOSFET that is typically used for high-speed switching applications. It's ideal for power amplifiers, converters, and motor control. Due to its optimal switching characteristics, it can handle high voltage and current levels, making it suitable for power electronics. For instance, you might use a 2SK4145 in a power supply design to improve efficiency in converting AC to DC.
  • Question: What is the package type for the 2SK4145?

    Answer: The 2SK4145 comes in the TO-220 package type, which is known for its robust structure and good thermal dissipation. This specific design allows for easy mounting on heatsinks, crucial for maintaining optimal performance during high power operations. Users often choose TO-220 for projects requiring reliable thermal management in power applications.
  • Question: How can I ensure the quality of 2SK4145 transistors?

    Answer: To ensure the quality of the 2SK4145 transistors, purchase from reputable sellers who provide product specifications and possibly datasheets. High-quality components typically feature stringent testing standards to guarantee performance under various conditions. It's advisable to check for user reviews and quality certifications. Using trusted parts ensures reliability in critical applications such as audio power amplification or stable voltage regulation.
  • Question: Can I use 2SK4145 in my DIY electronics projects?

    Answer: Absolutely! The 2SK4145 is popular in DIY electronics projects due to its excellent performance characteristics. Whether you’re designing a simple amplifier or a more complex motor driver, this transistor can handle the demands. Just make sure to assess the voltage and current requirements of your project to match them with the specifications of the 2SK4145.
  • Question: What is the typical gate threshold voltage for the 2SK4145?

    Answer: The typical gate threshold voltage (Vgs) for the 2SK4145 is around 2-4V. This voltage range indicates the point at which the transistor begins to conduct between the drain and source terminals. Understanding this voltage is essential for integrated circuit designs, ensuring that the MOSFET turns on correctly in your application without causing unnecessary power loss.
  • Question: What are the common applications for 2SK4145 MOSFET?

    Answer: Common applications for the 2SK4145 include power supply circuits, motor drivers, and audio amplifier stages. Its high-speed switching ability makes it essential in power amplifiers where efficiency is crucial. For example, enthusiasts often use it in audio equipment to ensure clear sound reproduction under varying load conditions.
  • Question: What are the differences between 2SK4145 and similar transistors?

    Answer: The primary differences between the 2SK4145 and similar transistors like the 2N7000 or IRF series lie in their voltage ratings and current handling capabilities. The 2SK4145 is specifically designed for higher voltages and can control larger current loads. It’s critical to choose the right type based on your specific circuit requirements to avoid damaging your components or causing inefficiencies.
  • Question: What is the recommended maximum drain-source voltage for 2SK4145?

    Answer: The recommended maximum drain-source voltage (Vds) for the 2SK4145 is typically around 40V. This limit is crucial to prevent breakdown and damage to the MOSFET during operation. When designing circuits, always keep the operating voltage below this threshold to ensure long-lasting and reliable performance, especially in power supply applications.
  • Question: How can I buy 2SK4145 TO-220 in Grenada?

    Answer: You can buy 10pcs of 2SK4145 TO-220 at Ubuy in Grenada. Ubuy offers a wide selection of electronic components, including high-quality transistors like the 2SK4145. Shopping on Ubuy allows you to get a reliable product with ease, and you'll find user-friendly filters to narrow down your choices based on specifications.
  • Question: Are there any safety precautions for using 2SK4145 in circuits?

    Answer: Yes, when using the 2SK4145, it's important to consider safety precautions like not exceeding the maximum voltage and current ratings to prevent thermal runaways or damage to the device. Use appropriate heatsinking and ensure proper gate driving to maintain the MOSFET within its specifications. Ensuring these factors contributes to not only your project's efficiency but also enhances the safety and longevity of your electronic circuits.

MAANIHTYUW Additive Manufacturing Products Editorial Review

No editorial reviews found

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

Currently unavailable.

We don't know when or if this item will be back in stock.

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • 10pcs of 2SK4145 TO-220 components for various electronic applications.
  • High-quality materials guarantee performance and durability.
  • User-friendly design simplifies installation and usage.
  • Suitable for industrial, automotive, and household needs.
  • Exceptional customer support ensures help and guidance.
  • Perfect for both professionals and hobbyists in electronics.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.