What determines un/una inductor's inductance?

Inductance depends on: numero of turns squared (N²), core material permeability (μ), cross-sectional area (Un/Una), y length (l). L = μN²Un/Una/l. Ferrite o iron cores dramatically increase inductance compared un/una air cores.

Why do inductors oppose current changes?

Changing current creates un/una changing magnetic field, cual induces un/una voltage opposing el/la change (Lenz's law). This back-EMF resists current increase y sustains current during decrease. It's like inertia for electrical current—inductors resist cualquier change in current flow.

Que es mutual inductance?

When two inductors share magnetic flux, changing current in one induces voltage in el/la otro—esto es mutual inductance, medido in henrys. Transformers usar esto principle. Mutual inductance M relates un/una coupling coefficient k: M = k√(L₁L₂).

Why do PCB traces have inductance?

Any conductor carrying current creates un/una magnetic field, giving eso inductance. Un/Una straight wire has aproximadamente 1 nH per mm length. At high frequencies (100+ MHz), even short traces act as significant inductors. This parasitic inductance affects signal integrity y debe be considered in RF design.

Inductancia Converter

Acerca de Inductance Conversion

Inductance measures un/una component's tendency un/una oppose changes in current by storing energy in un/una magnetic field. When current through un/una inductor changes, eso generates un/una voltage eso resists eso change—esto es electromagnetic induction, described by Faraday's law. El/La induced voltage V = L(di/dt) es proportional un/una ambos inductance y rate of current change. This property makes inductors act like electrical inertia, smoothing current variations in power supplies y blocking high-frequency signals while passing DC.

El/La SI unidad es el/la henry (H), defined as el/la inductance producing 1 volt cuando current changes at 1 ampere per segundo. Named after Joseph Henry quien discovered self-inductance independently of Faraday. Inductors son esencial in switching power supplies (storing energy entre switching cycles), RF filters (frequency-selective circuits), transformers (coupling entre windings via mutual inductance), y motors (creating rotating magnetic fields).

Our converter handles todo estandar inductance unidades usado in electronics, power sistemas, y electrical engineering.

Common Inductance Conversions

Desde	A	Multiplicar por
H	mH	1,000
mH	H	0.001
H	μH	10⁶
μH	H	10⁻⁶
mH	μH	1,000
μH	mH	0.001
μH	nH	1,000
nH	μH	0.001
H	nH	10⁹

Inductance Unidad Reference

Henry (H) – El/La SI unidad, producing 1 volt cuando current changes at 1 ampere per segundo. Named after American scientist Joseph Henry quien discovered self-inductance in 1831. One henry es relatively large—achieving eso requiere muchos turns of wire alrededor de un/una high-permeability core. Large power transformers y filter chokes reach several henrys. Primary windings of mains transformers typically medir 1-100 H.

Millihenry (mH) – 10⁻³ H, comun in audio y power aplicaciones. Speaker crossover inductors: 0.1-10 mH. Potencia supply chokes y filter inductors: 1-100 mH. Relay coils y solenoids: 10-500 mH. Motor windings typically fall in esto range. Wirewound inductors with ferrite o iron cores achieve millihenry valores in practico sizes.

Microhenry (μH) – 10⁻⁶ H, el/la workhorse unidad for power electronics y RF circuits. Switching power supply inductors: 1-1000 μH depending on frequency y power level. EMI filter chokes: 10-100 μH. AM radio antennas: 100-500 μH. Higher frequencies requerir lower inductance—MHz-range circuits usar single-digit un/una tens of microhenrys.

Nanohenry (nH) – 10⁻⁹ H, esencial for high-frequency RF y microwave trabajar. GHz-range matching networks usar 1-100 nH inductors. Chip inductors for wireless aplicaciones: 1-100 nH. Critically, cada conductor has parasitic inductance—aproximadamente 1 nH per milimetro of wire o trace length, cual significantly impacts GHz circuit design.