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: Hi,I'm planning to build an audio amplifier and for the crossover, I've been looking in to using resistors instead of inductors?I know what each one does. Simply put resistors do not hold an electrical charge like inductors in an electromagnetic field.What is the role of the inductor in this circuit? I'm not asking for the definition, I'm asking what it's doing to the actual audio signal.Also I've put a capacitor in series for the top frequency and after trying it out with different caps, the audio gets distorted in the speaker component (the cone moves to its maximum rating). Am I right in saying that I'd need a bigger speaker, well a bigger speaker cone in fact, to increase the rating of volume and power of the signal to reduce distortion/noise?Thanks,Rish: Best to get building instructions (radio shack used to have books on this). I changed my home theater to all 4 ohms to get the full spectrum as I like at moderate listening levels. 8 ohm speakers have to be driven hard to sound right in my opinion. Using a crossover I salvaged from a passive subwoofer (with a dual magnet speaker so I got two separate crossovers, they were 8 ohm design) by using 4 ohm 10 subs I got a crossover of 115 Hz. that's about where my 6 1/2 mid woofers go down to without crossover, and I found some really cheep tweeters from China that I double up on because you have to take in mind high freqs don't travel well but these tweeter were high enough that they don't double up with the mid woofers which would create too brilliant a sound. Car speakers at 4 ohms work great but watch for overheating the reciever/amp. My new amp has no problem handling 4 ohm. When using two tweeters keep them vertically in line for clear separation. I added cooling fan (computer case fan) in old amp.

Q: How do I figure out inductor equivalence when you have a series parallel combination inductor circuit: The rules for combining inductors are the same as those for resistors. In series, L L1 + L2 In parallel, 1/L 1/L1 + 1/L2

Q: i am making an Am transmitter and i need a 5 mH inductor for the 1MHz oscillator.: You okorder

Q: i dont remember the for finding (L), i have all the info to solve it but i just need the formula. anyone know it?: L can be determined from an inductor`s physical dimensions but I can not recall the formula. However L can also be determined from certain electrical parameters. If you are dealing with a sine wave source Voltage; (X of L) 2pi f L Therefore if you were given the frequency (f) and the inductive reactance (Xof L) or have any way of calculating them from what you are given then you can calculate L. Based on the additional details: I assume that the value of the capacitor is such that it resonates with L at the given frequency f. Xof c 1/(2pi f c) At resonance (Xof L) (Xof c) Since Xof L 2pi f L then L Xof L/ 2pi f also (X of c) / 6.28 f Plug in the calculated value of (X of c) and the given value of (f) and now you can solve for the value of L.

Q: Caps smooth out voltage, but how about current? Is that what inductors are for?: 1. okorder

Q: An electric oscillator is made with a 0.10 uF capacitor and a 1.0 mH inductor. The capacitor is initially charged to 5.0 V.: This may be an overly long method and an incorrect interpretation of the question but assuming it is an inductor and capacitor in parallel: Impedance of inductor 2πfL and imp. of capacitor 1 / (2πfC) When the current resonates the impedances are equal and thus this equation is formed: 1 / (2π√(RC)) f, the resonant frequency. So you calculate the frequency and that allows you to get the impedance of the inductor or capacitor - which turns out to be 100 ohms. In parallel two 100 ohm components give an impedance of 50 ohms (1 / R 1 / R1 + 1 / R2). Therefore the maximum current should be 5V / 50? 0.1 A

Q: A project of mine requires that I make a set of custom coils, some of which are tapped. I've never scratch-built inductors before so this is new to me. So how to you build a tapped coil?: Get an O ring shape iron core, passing many turns of wire.Passing wire through the center hole for tapping. [2] Get a E shape iron core,make coil fit the center E. Put the open E side attach to wire being tapped.

Q: A 4-mH inductor is connected to an ac voltage source of 151.0 V rms. If the rms circuit is .820 A, what is the frequency of the source?This is NON-Calculus based Physics! Please Help! Thx!: I V/XL XL V/I 151/0.820 184Ω Now XL 2π*f*L f XL/(2π*L) 184/(2π*4x10^-3) 7330Hz

Q: I need this very badly for my Electronics Project, but unfortunately I still can't find it! What are the defects and testing of Inductors??? Please help! X(: TESTING INDUCTORS An inductor is a device consisting of one or more windings of wire with or without a magnetic core. Frequent causes of inductor coil failures are shorted turns, open turns, and changes in inductor value. Small power supply transformers are similar in construction to inductors and can be tested with the capacitor-inductor analyzer shown in figure 4-30. Inductors may be tested in the circuit, but the circuit impedance will have some effect on the readings. It is recommended that you remove the inductor or transformer from the circuit before you perform any tests.

Q: Do they have an ideal resistance of an open circuit or a closed circuit?: An ideal inductor has 0 ohms of resistance. If you are finding an AC Thevenin equivalent, you must include the inductance.

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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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