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Feb 11, 3.

Hi Jorge and welcome to Electronics Point What brand are the existing devices? Life support devices or systems are devices or systems which, a are intended for datasheey 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 ird640b result in significant injury to the user.

Feb 11, 4. On-Region Characteristics Figure 2. Feb 11, 5. I will do some more thorough investigations later in the day.

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

I’ve asked Steve for his advice. I have attached them. Fairchild Semiconductor reserves the right to dataasheet changes at any time without notice in order to improve design.


Hi Kris Nice to participate in the forum. Pulse width limited by maximum junction temperature 2. Similar Threads There are no similar threads yet. A, November TO 4. Feb 11, 1.

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 the IRF for an IRFN. 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 irf40b.

Can I make the replacement safely? Preliminary First Production This datasheet contains preliminary data, and supplementary data will be published at a later date. After that, you can post your question and dxtasheet members will help you out.

Feb 12, 7. Feb 11, 2.

Capacitance Characteristics Figure 6. Search Forums Recent Posts. Single Pulse 10 o 1. Ask a Question Want to reply to this thread or ask your own question? You must log in daasheet sign up to reply here. Is there a manufacturer’s logo? N-channel V – 0.

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IRF640B/IRFS640B 200V N

The datasheet is printed for reference information only. Both Mosfets are International Rectifier. Feb 13, 8. Specifications may change in any manner without notice.

I only have datasheeh IRFN units.


Yes, I think you’re probably right. 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 13, 9. Documents Flashcards Grammar checker.

Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. My initial thoughts are that it is an entirely suitable replacement but its hard to compare them on a mobile device. Feb 11, 6. They are from different manufacturers. You’ll need to choose a username for the site, which only take a couple of moments here.

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