PBH/PBL SERIES SMD Power Inductor
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Features:
1.SMD Power Inductor
2.Magnetic shieled surface mount inductor with high current rabing low D.C resistance
3.Excellent terminal strength
4.Packed in embossed carrier tape and can beused by automatic mounting machine.
5.Various hogh power inductors are superior to be high saturation for suiface mounting
Applications:
Power supplu for VTR,OA equipment Digital camera, LCD television set notebook PC, portable
communication equip,ents, DC/DC converters, etc.
- Q: Current through an inductor is turned on at time t0, as shown in the figure. Vscos(200*pi*t). Calculate the energy delivered to the inductor at t21 ms.
- I'm sorry I confused you; the initial condition is 0. The current is .024 amps at 21 ms, so the energy is 10.94 uJ.
- Q: A 1.15 k-ohms resistor and a 560mH inductor are connected in series to a 1450Hz generator with an rms voltage of 12.6 V. A)What is the rms current in the circuit? B)What capacitance must be inserted in series with the resistor and inductor to reduce the rms current to half the value found in part A?i would realli appreciate a walk through of this problem and what answer i should expect. thanks
- A) the reactance of the inductor is XL 2π*f*L 2π*1450*0.560 5102Ω So the impedance Z sqrt(1150^2 + 5102^2) 5230Ω Therefore the rms current V/Z 12.6V/5230Ω 2.41x10^-3A 2.41 mA B) If the current is reduced to 1/2 then then impedance must double So Z sqrt(R^2 + (XlL- XC)^2) 10460 So 1150^2 + (5102 - XC)^2 10460^2 or 5102 - XC +-sqrt(10460^2 - 1150^2) +-10397 or XC 5102 + 10397 15499 Now XC 1/2πf*C or C 1/(2π*1450*15499) 7.08x10^-9F 7.08nF
- Q: I always wandered about that.
- Mathematically you would have to be familiar with complex numbers and some calculus. that is why Thomas Edision used DC and N. Tesla and Westinghouse used AC. by analogy. It is like the mass and spring. inertia keeps the mass moving, the spring tries to return it to center but the inertia makes it overshoot in the other direction and you get oscillations., electrically the inductor is an inertia like effect and the capacitor is a spring like effect. It took me a long time to understand this. In the 1850's James Clark Maxwell wrote and solved vector calculus differential equations for all the known electrial effects and prediticted electro-Magnetic waves in space that had exactly the velocity of light, showing that light and radio were all the same thing. that was before radio was invented. How is that for Nerds Rule
- Q: A 10 ohm resistor and 10 henry inductor are attached in series to a 10 volt DC supply. If the current i(0)2.5 amperes, what is the current after 1 second? Round in the tenths place.I got 1.55 but that isn't right.
- What do you want to know?
- Q: An inductor is plugged into a 120V /60Hz wall outlet in the U.S. Would the peak current be larger, smaller, or unchanged if this inductor were plugged into a wall outlet in a country where the voltage is 120V at 50Hz ? Explain.
- Current is larger because inductance XL became less with 50c/s. I 120 / XL
- Q: how to relate the amount of turns for inductor of crystal radio to its performance?
- They can be overlapping if you do not use the traditional slider on the coil to tune stations. The slider needs to be able to adjust the length of the coil to change frequency and if the coils are overlapping you would limit its range of tuning. In some crystal radio configurations a variable capacitor is used for selecting the frequency and these usually have overlapping windings. Most crystal radio enthusiasts agree that the sensitivity and selectivity is better with a single wound air core coil.
- Q: (a) How long will it take for the current to reach 67% of its maximum value?(b) What is the maximum energy stored in the inductor?(c) How long will it for the energy stored in the inductor to reach 67% of its maximum value?
- 130 Ohm Resistor
- Q: guys can u please explain me how to measure the inductance of a sinusoidal air core inductor ,please explain me with a example,please help me guys!!!!
- well the inductance L (flux)(N) / i and for the coil shaped one (solenoid) L (M)(N^2)(pi)(a^2) / h where M is the permeability of the core the coil is wrapped around and N is the number of turnsand a is the diameter /2 and h is the hight of the coil i dont know if u find this usefull but any way,,,u can by a meter to measure it
- Q: A variable inductor with negligible resistance is connected to an ac voltage source. By what factor does the current in the inductor decrease if the inductance is increased by a factor of 6.0 and the driving frequency is increased by a factor of 8.0?
- X wL where X is the inductor's Reactance and w is the frequency in rads/sec the reactance will increase by 6 x 8 48 so the current will decrease by the same factor
- Q: A 3.9 H inductor is in parallel with a 67Ω resistor. The inductor current is 7.6 A at t 0 . Find: (a) iL(0.8ms)If another 67Ω resistor is connected in parallel with the inductor at t 1 ms, find: (b) iL(2ms)
- a) I inductor 7.6(e^(-t/τ)) where τ L/R 3.9 H/ 67Ω 58 milliseconds At 0.8 milliseconds, I inductor 7.6(e^-(0.8/58)) 7.496 Amps b) at 1 milliseconds, I inductor 7.6(e^-(1/5.8)) 7.47 amps the new time constant is τ L/R 3.9 H/ 33.5Ω 116 milliseconds since R is now 67||67 33.5Ω I inductor 7.47(e^-((t-1 ms)/τ)) at 2 mS, I inductor 7.47(e^-((2-1)/116) 7.47(e^-(1/116)) 7.41 amps
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1. Manufacturer Overview
| Location | Guangdong,China (Mainland) |
| Year Established | 2010 |
| Annual Output Value | US$10 Million - US$50 Million |
| Main Markets | North America; South America; Eastern Europe; Southeast Asia; Africa; Oceania; Mid East; Eastern Asia; Western Europe |
| Company Certifications | ISO 9001:2000 |
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| Export Percentage | 41% - 50% |
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| Contract Manufacturing | OEM Service Offered Design Service Offered Buyer Label Offered |
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PBH/PBL SERIES SMD Power Inductor
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 3000 Pieces pc
- Supply Capability:
- 20,000 Pieces per Day pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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