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370 Threads found on edaboard.com: Irf 540
irf540 has 100 V Vds rating and can't work. For irf840, it's essential that the gate soure voltage rises fast enough, e.g. < 1 ms, otherwise the safe operation area would be exceeded. Lamp inrush current of about 3 A won't be a problem if the transistor is switched fast enough.
irf 540 is the most common available mosfet with a power rating of 150W max. all the other feature should meet your requirement, i hope
It is possible. I recommend irf Z44. It's a power mosfet. It should do the job. irf 540 isn't bad, but Z44 is better. Hope this helps and don't forget to press the helped button.
Thats a good circuit, though you might want to connect a 100nf capacitor accross both of the transistor collectors, esp if you building this into a item of clothing using wire traces. I'd use an irf 540 mosfet, they are bigger an easier to work with and will take more abuse and can handle more current. A 9v battery isnt going to last long at all
Hi I have designed the Sliding Mode Controller for Buck Converter in Matlab Simulink. Now I want to interface this controller with the Hardware through PCI-1711 card and PCLD-8710... The PWM signal that is coming from the controller has 0-10V range, and current in mAa. I Need 40-50 watt(4-5 A and 10V) at the output and input is 12-20V. I am
I would use an irf540 MOSFET to switch the current from a 12 V source to your 4 Ohm resistor. Only please connect the N-channel between ground line and resistor; the other end of the resistor will be connected to +12V. irf 540 can be driven by a TTL signal to gate; you can find more MOSFET types among "TTL-controlled (...)
use irf 540 for q1 & rfg30p06 for q2 use 10k resistor on gate & gnd it
i just want to build an inverter as mentioned above, i have already some components like irf 540 mosfets, two transformers extracted from 750va ups, can i use them to do the job. i had already some old 500 va ups. second can i convert them to build an inverter around 500 watt. if so, what are the changes required to be done
If you need to drive a LED or a relay from a microcontroller, you need a driver circuit. One of such circuits use a "logic MOSFET" which s controlled by uC logic output, and can switch a larger current (10A) under a higher voltage (up to 60V). I use irf 540 in such circuits. Google irf540 for a data sheet and application (...)
THANKS FOR REPLAY, BUT 1) DO YOU NOTICE THE POINT THE POWER PLANE REFFEING TH THE PROTEL HELP DO YOU KNOW WHATIS THIS"A CAPPER TRACK VOIDED IN THE PCB FIBER" AS I m REMEMBER , PLEASE TELL ME . 2)DOES IT MEAN THAT THERE IS NO HIGH CURRENT COPONENT THAT IS MOUNTED IN ANY PCB BECAUSE IT WILL HANDEL MORE THAN 6 AMP SUCH AS : "irf 1607"MOS
Dear Boarder, till today i've used in some my design a chip from irf the IR3220S for driving DC brushed motor, but seems as if the 21 of MAY will be discontinued and not replaced!! So, i'd like to find a functional similar product to let me go on without designing my own drivers. the IR3220S is a hi-side PWM driver for DC motor that has th
Hello i need the Pads 2007 irf Mosfet Library. Does anyone have it? Thanks
I need datasheet for this device irf 3615.Many thanks in advance.
i am trying to understand why my irf is getting very hot.. as you can see.. Vd is getting very high. and when it's off.. it's not fully off. also if the freq is lower you can see some signal swinging. why is that? why the high peak? why the swinging? somthing with the inside diode? hope you can help me to understand this and mayb to solve the
hey abhi tum banana kya chahtey hoo 7805 is not efficient instead use kro buck inducter with pwm then comprator for voltage of 5 volt thats all inductor on toroid aur switcher me use kro irf 510/540
I am trying to drive the irf630 from remote tester circuit. I removed the ac mains circuit and connected the pulse (LED Blink) to the Gate of irf 630 and tried drive a motor at 12 volts from a battery. but on connecting the motor to the drain and positive the motor started working despite the remote tester wasnt in use. i have a question whether th
How to test a irf P240N ( HEXFET Power MOSFET ) with a DMM ? Should it have infinite resistance readings between Gate & Drain And Gate or Source for both forward & reverse biase ......... ?? thanks
i am trying to use a 2n2222 to amplify the signal from the mc to switch irf 9540 pmos, however if i increase the switching frequency from more than 1 khz, it takes more time for 2n2222 reach its peak, and consequently pmos switching is delayed. if i remove irf 9540 from the collector of 2n2222, it works fine, even at (...)
hi. PDF files at: Applivation notes at: rehards - haymeron
Very nice paper for flyback converter transformer desig. Easy step-by-step procedure without need of deep knowledge of magnetics materials.
Hi ! Use a shunt resistor (eg 1ohm for 1.5V drop @ max current) -> the current valve should be a high power mosfet (use irf types or good old BUZ). than take a opamp (which is able to overdrive the fet for the necessary current) and connect one feedback to the resistor.
irf is involved in this field too.... I remember seeing a evaluation kit and app notes some time back at their site....dig around maybe they are still
Internatinal Rectifier has several high voltage ICs ,app.notes and Design examples for fluorescent lamps.
take a look at or allegro website Stark
See
U can use intersil HIP408X ic for switching power amp (class D) design. higher performance is achievable with irf devices:
I have been using Multisim and its prior versions for a good number of years. Multisim comes with a good number of irf Mosfet models, but an extremely limited number of 2SK and 2SJ Mosfet models. Does any one have good modes for 2SK and 2SJ parts that they can share, or perhaps provide a link to? I have done many searches for these and have neve
any particular reason why you want such a high requency? cause low frequency is usually sufficient and is MUCH easier to build. my guess would be to put the motor "hummm..." out of audible range. to do this with speed control and reverse direction ability you need hardware and software. hardware takes the form of a Full H-Bridge. look for 'a
I designed a circuit to drive a 3 phase motor which is 24VDC/0.3A.I use AVR and six transistors(3 H-bridge) to drive it so the circuit is complex. Can anybody tell me some chip to drive the motor. I am not sure i understand "3 phase DC motor"? 3 H-bridges should give 12 transistors? Anyway a good chip for 3-phase drive i
This topic is elucidated at
Other links: www.thermacore.com./papers.htm www.ecooling.
Also have a look ar International Rectifier I have used *many* diodes with VRR > 150 V and If > 10 Amps Your Vf will probably be lower because of your low forward current. For example p/n 10CTQ150 is right around 0.75 volts @ 1 amp @ 25 C (rated at 0.93 volts @ 10 amps)
There is a halfbridge mosfet driver from International Rectifier with ton/off <120ns and Voffsett <500V.
The easy way it's to use MC3PHAC from Motorola (~10$) + IR2233 from irf (~25$)
See
By components with a sheet pin at multiple device pins ( ), how i can make the definitions? The irf7313 has the drain at pin 5,6 and pin 7,8. If i make a new sheet symbol and set one pin upon the other, the autoroute can only find one pin. I have found a way to make a special footpri
Hi, All i know it's P channel Mosfet. It's in TO220 package. The no. on the transistor is F9540N I#R 12BD Thanks This is a Power Mosfet of International Rectifier.. Datasheet.. Regards
Hi, I would like to design an HF power amplifier but all the schematics i have found are not in the desired bandwith !! SPecifications of the amplifier: Input signal : 0 to 12V between 800Khz and 5Mhz OUtput signal: 0 to 12V but 60W !!! I would like tu use a PUSH PULL configuration whith low cost MOSFET (like irf...). because the RF po
check out the sites of ST Microelectronics, Infineon Technologies, irf, On-Semiconductors and you will find a lot of options
SELECT DEVICES. see the application notes. search google for "push pull amplifier" mosfet .pdf look for similar examples. start with
Hope it will help.
Dear friend you can use a combination from push pull transistor(2N2222,2N2907) and transformer to drive mosfet.The best voltage to drive mosfet is 12 volt. you can study application note in in this site you can find different type of mosfet drive.dependent of usage. Regards
Thanks PaulHolland & phonedrop, indeed some times I have found the footprint in the datasheet. You know some names of the manufacturers who put the recommended footprint in the datasheet? For example: Regards!
International Rectifier makes these items and controller ICs. So does ON Semi You should use real wires to route these tens of Amps around and not PC traces. It will be cheaper that way. You should read a book on this subject. There ar
Hi , The electrical length ( teta) for a given physical length L of the microstrip is defined by. Therefore, teta = 90° when L = lambda.g / 4 (quarter-wavelength) , teta = 180° when L = lambda.g / 2 (half-wavelength) , teta = 360° But to have a line microstrip for a coupler rat-race, I must choose which value of teta . Thank you
ANY MOSFET WITH RATING MORE THEN PEAK LINE VOLTAGE CAN BE USED IN irf CKT.YOU MUST USE PHOTOVOLTAIC ARRAY. OTHER THEN PVI 1050 THERE IS CT202D FROM SEMITRONICS.
Is there any tutorial/guideline for designing the power supply connections to complex/multivoltage devices like FPGA including copper planes? Not a problem with multilayer designs I assume...but wanna stick with 2 layers (o;
Dear All I need an integrated HF ( UHF ) Power amplfier (about 2 watt) that match with 75ohm load . would you pls help me to find one or design one. Best.