Tools/Inductor Code Calculator

Inductor Code Calculator

Name: WellPCB - PCB Manufacturing
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Telephone: +86-311-8693-5221
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Decode SMD inductor markings

Decode Inductor Code

4R7

Enter Inductor Code

Result

Inductance Value

4.70 μH

(4,700 nH)

4.7 μH (R = decimal point)

Inductor Code Reference

R-Format (Most Common)

R470.47 μH

1R01.0 μH

4R74.7 μH

10R10 μH

47R47 μH

3-Digit Code

10010 × 10⁰ = 10 μH

10110 × 10¹ = 100 μH

10210 × 10² = 1000 μH

47147 × 10¹ = 470 μH

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