March 29, 2021

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Yes, I think you’re probably right. Feb 11, 6. Feb 12, 7. On-Region Characteristics Figure 2. My initial thoughts are that it is an entirely suitable replacement but its hard to compare them on a mobile device.


After that, you can post your question and our members will help you out. Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, or c whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.


Capacitance Characteristics Figure 6. Feb 11, 1. Feb 13, 9. Single Pulse 10 o 1. Pulse width limited by maximum junction temperature 2. Search Forums Recent Posts. I only have available IRFN units.

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Feb 11, 4. Ask a Question Want to reply to this thread or ask your own question?

Hi Jorge and welcome to Electronics Point What brand are the existing devices? Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. As long as the device is not required to operate in avalanche mode at energies near the single pule limit I would have no hesitation in swapping datasheer IRF for an IRFN.

IRFB Datasheet pdf – V N-Channel MOSFET – Fairchild Semiconductor

Preliminary First Production This datasheet contains preliminary data, and supplementary data will be published at a later date. Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. I have attached them.

They are from different manufacturers. Is there a manufacturer’s logo? Can I make the replacement safely? Feb 11, 5.


The datasheet is printed for reference information only. A, November TO 4.

Similar Threads There are no similar threads yet. Feb 11, 2. Feb 13, 8. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. Documents Flashcards Grammar checker. I will do some more thorough investigations later in the day. Both Mosfets are International Rectifier. You must log in or sign up to reply here. This advanced technology has been especially tailored to minimize on-state resistance, provide superior switching performance, and withstand high energy pulse in the avalanche and commutation mode.

Feb 11, 3.

IRF640B Datasheet PDF

Hi Kris Nice to participate in the forum. N-channel V – 0. I’ve asked Steve for his advice. Specifications may change in any manner without notice.