L : Inductance	[μH]
f0 : Self resonant frequency	[MHz]
fm : L,Q measurement frequency (fm)	[MHz]
Qm : Quality factor at fm
Rs : Equivalent series resistance (at Fm) ≈	[Ω]
Cp : Parallel capacitance	[pF]
fr : Resonant frequency ≈	[MHz]
Qe : Estimated quality factor (at Fr) ≈

HP 15C - LC resonator replacement for triple speed 15C

HP 15C - LCR - resonant frequency of the LC resonator

HP 42S - LCR - resonant frequency of the LC resonator

'LCR-1.02' (LCR.raw, 127 byte, raw program file for the Free42)

TDK, SMD Inductors For Signal Line(Wound) NLV Series NLV32

Inductance (μH)	Inductance tolerance	Q min.	Test frequency L,Q (MHz)	Self-resontant frequency (MHz)min.	DC resistance (Ω)max.	Rated current (mA)max.	Part No.
47	±5%	30	2.52	15	7	60	NLV32T-470J
180	±5%	20	0.796	7	17	60	NLV32T-181J

API Delevan, RF Inductors - Surface Mount - Shielded Surface Mount Inductors S1812 & S1812R Series

Inductance (μH)	Inductance tolerance	Q min.	Test frequency L,Q (MHz)	Self-resontant frequency (MHz)min.	DC resistance (Ω)max.	Rated current (mA)max.	Part No.
47	±10%	30	2.5	9	3.40	242	S1812R-473K
180	±10%	40	0.79	4.5	8.50	153	S1812R-184K