Inductor 47uH

The Inductor 47uH is a fixed inductor with an inductance of 47 µH (microhenry). An inductor stores energy in a magnetic field and resists fast changes in current, which makes it useful for filtering power rails, building LC filters and smoothing the output of switching regulators. This through-hole part with axial leads fits breadboards, perfboards and PCBs.

Inductor 47uH Specifications

• Inductance: 47 µH (0.047 mH)
• Type: fixed inductor, passive component
• Mounting: through-hole, axial leads
• Polarity: none, can be fitted either way round
• Reactance: about 29.5 Ω at 100 kHz and 295 Ω at 1 MHz (XL = 2πfL)

Inductor 47uH Applications

• Input and output filters for DC-DC buck and boost converters
• LC low-pass filters on power supply lines
• RF chokes that block high-frequency signals while passing DC
• Reducing noise (EMI) between digital and analog sections of a board
• Electronics labs for learning about RL and LC circuits

What's in the Box

• 1 × 47 µH inductor

Tip: With a 100 nF capacitor, a 47 µH inductor resonates at about 73 kHz (f = 1 / (2π√LC)). In power circuits, keep the current through the inductor within its rating, because too much current makes it overheat and can saturate its core, which lowers the inductance.

Orders placed before 14:00 are ready for pickup the same day. Delivery across Lebanon usually takes 1–3 working days.