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147 Threads found on edaboard.com: Copper Wire
What do you mean with "copper band"? The 8 circuit flat flexible cable? Yes it's essential and must be replaced if broken. - - - Updated - - - In the "corner of the track pad", there's an adhesive metal fabric band connecting a ground pad with the frame metallization. It has been apparently replaced by a
Another reason not to set the copper pour size to zero is that it produces gerbers that cause problems. The data size for zero size copper is immense due to the number of vertices created, I can recall working on a design that took 2 days to produce the gerber for 1 layer because some zero size copper had been used. Whatever your trying to (...)
The datasheet says 2 A rated current (40 K temperature rise). It's easy to estimate the temperature rise at 4A DC, it's at least 160 K, more likely 220 K due to positive copper TC. Definitely above any enameled wire ratings. Only open question is how low the saturated inductance at 4 A exactly is.
All the component calculations, at least up to very high frequencies are identical. When the frequency is very high, the calculation stays the same but the effects of wire leg inductance and package capacitance may have to be taken into consideration. Heat sinking with SMD devices is normally achieved by soldering the tab to a copper area large e
Hello, I have purchase 30 gauge wire for testing experiment how electromagnet are build and inductor behave in circuits. I have tested that i have taken Iron nail and covered d it with 10meter copper wire and test to build electromagnet it was not attracting small piece but when i have taken small dc motor core it was working well which (...)
The red wire is connected in a way that isn't clear. It looks as though it is soldered to a pin, and also to a copper trace? Furthermore the trace has scratch marks a short distance away, as though done deliberately to break contact. These areas are circled in the don't
Dear All, I need to simulate a transformer using CST EMS to eddy-current and thermal loss estimation, quite similar to the following application: I designed the transformer coil with copper wire and set simulation to run (I didn't use the coil definition fro
Hello, We are doing a 2.8kW offline LLC converter.. Vin = 390VDC Vout = 180VDC F(SW) = 91kHz We have done a section-wound LLC transformer, and the main reason for this was because when restricted to using round sectioned enamelled copper wire, ?sectioned? winding more easily facilitates achieving lower winding resistance. However, do y
My 2 cents worth. Np=E*10^8/(4*F*A*B)=3.26 This is correct as far as you went. But you have to cover the full voltage range from 39vdc to max charge rate 55vdc? To be safe use 4 primary turns. Your low voltage is 39vdc your secondary voltage is 330vdc, a rule of thumb is to add 5% for duty cycle loss. 330vdc x 5% = 347vdc 347vdc/39vdc = 8.9
hi, i need to measure resistance of a 1m(minimum) length 0.2mm(minimum) diameter copper cable resistance with 1 micro ohm resistance least count. is there any commercial product available for this task. I have a 4 wire Low Ohm meter using a 3 1/2 digit display, so it will only measure to .001 of an ohm. If a
I already have 100m of copper wire of 0.8mm, and I know the formula ( ) and I need the maximum current that I can get out of a sector of 220v, I'm okay with the fact that the wire might overheat, I just need to know what's the maximum amperage I can get if I try to use a transfor
Many time ago we used a copper wire with PVC insulation due to its ability to deal with high voltages. I'm not sure if is suited as winding transformers, but could try.
Hi, I went through some of these on searched none seem
copper foil winding might be an option.
The same current flows through each part of the circuit so the only cause of localized heating can be resistance at the terminal itself. Assuming the wire rating is adequate, check the copper wire(s) is clean, the terminal is clean and the terminal is securely connected to the meter itself. Obviously, ensure the wire (...)
What is the overall diameter of a litz wound wire, made of 5 strands of 0.5mm external diameter Enamelled copper wire? Is it 1.5mm?
This page (below) states that TEX-ELZ insulated copper wire is only rated to 1000Vrms. Offline power supplies require insulation to 3500Vrms. So how is it that TEX-ELZ gets used in offline power supply switch mode transformers? TEX-ELZ rating chart
The gap consistency is just almost as sensitive as the length. i would use semi-rigid 1/4 copper plumbing or 50 Ohm semi rigid coax if terminated. You want to conjugate match your load to source.
You should calculate the RMS inductor current based on the waveform. Having the RMS value, to get the copper area you can use the formula A = I / J, where A is the conductor's cross section area, I is the RMS current and J is the current density. As a rule thumb, J should not exceed 4,5 A/mm?. As lower J goes, fewer are copper losses and the induct
The simple answer is found using a 4 wire kelvin bridge and pump enough current thru the resistance to get a measurable voltage in mV. I did the same for a 100KA diffusion welder for Monel Steel tubes joined by a Zirconium shim. The giant copper electrodes rolled around the circumference inside and out with silver impregnated greased armatures