IRFZ44N Transistor Datasheet, IRFZ44N Equivalent, PDF Data Sheets. MOSFET. Parameters and Characteristics. Electronic Component Catalog. IRFZ44N IRFZ44 N 49A 55V Transistors HexFET Power MosFET International Rectifer. Part Number: IRFZ44N Amps: 49A Full Datasheet: IRFZ44N. IRFZ44N. Features. Dynamic dv/dt Rating Repetitive Avalanche Rated °C Operating Temperature Ease of Paralleling Fast Switching for High Efficiency.

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Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count. Why are datawheet always great in ignoring posts they don’t understand it It’s generally not a good idea to under-spec a replacement part, especially if the original failed in the application it was designed for.

I suggest finding a better FET, there are literally thousands of them in that package that would do the job at least as well as the OEM solution, if not better. Because of this you’ll want to add a master MOSFET on the 12v line that will keep it closed until your contraption is ready for work, because if you don’t, all the strips will turn fully on on startup producing bright white.

Can I replace it without major consequences? It would be better practice to show why you think this replacement might work, and ask about any aspects you are unclear on.


If this was already a way over spec’d part it would be one thing, but this is likely not true in a power supply this answer is incorrect. Two things to note: Unless you can be sure that both transistors are way over-spec’d for this application, you must care about the differences between them.

And you do remember how well they worked, right? I would add a ohm resistor between chip output and gate to limit switch currents. Carry on, while I go over here and hide.

IRFZ44N MOSFET. Datasheet pdf. Equivalent

But only mA per output But I agree the PCA would make more sens here. Thank you for your answer. Here is the question: It seems you’re using the wrong parts to control LED strips. You should see pretty much the same performance from the IRZ44Ns.

This suggests that the gate drive circuitry and n-type MOSFETs used on the upper rails need special bootstrapped drivers is getting flakey. A good LED library can be found here. Use fricking code tags!!!!

WhatRoughBeast 49k 2 28 I had the wrong datasheet. It can directly drive the logic level mosfets for your LED strips. Not nice and too much strain on your power supply.

IRFZ44N Datasheet(PDF) – NXP Semiconductors

That chip if for direct driving small LEDs sink only. The gate threshold is the same, the unit ON-resistance is about the same, and the max currents are datashret the same.


Only the positive rail of the SMPS are cooked, but the negative rails are still in good condition. Like an Arduino pin, it has no current limiting. NEW Library to make fading leds a piece of cake https: Would you like to xatasheet one of these unanswered questions instead?

Ricardo 4, 14 37 MarkJhomelOlimon – Sorry, I’m not psychic.

IRFZ44N MOSFET Datasheet pdf – Equivalent. Cross Reference Search

Wawa Shannon Member Posts: Sir I was an IT student but I want to repair my Amplifier on my own, I knew a lot of things about basic electronics, however, I failed many times in troubleshooting an amplifier.

Are dztasheet certain that at the current levels this FET will be operating under that you can afford almost 2x the power dissipation? Wawa on Aug 14, To answer the original question: Mark Jhomel Olimon 11 1 4. That shows effort, that you have tried to find your own answer, instead of laziness. So why is that sir?

(PDF) IRFZ44N Datasheet download

It would be polite to link to the datasheets for both parts. You can hook up 12V strips directly. I guess that something’s wrecked the rail.

And the fet is not a logic level fet, so can’t be driven with 5volt logic.