Specification	28T0145-500

Core Type	Toroid
Diameter	0.145 in
Finish	Uncoated
Gap	Ungapped
Height	0.128 in
Inductance Factor (Al)	443 nH
Initial Permeability (µi)	850
Material	28
Material Temperature Rating	28 °C
Tolerance	25 %

28T Series

Ferrite Cable Cores FT,NIZN,PC

Part	Gap	Tolerance	Effective Length (le)	Effective Area (Ae)	Diameter	Finish	Height	Inductance Factor (Al)	Material Temperature Rating	Material	Core Type	Core Factor (ΣI/A) mm⁻¹	Initial Permeability (µi)	Effective Magnetic Volume (Ve)	Core Factor (ΣI/A)
Laird Technologies EMI 28T0130-00P	Ungapped	20 %	6.2 mm	1.2 mm²	0.13 in	Parylene	0.051 in	206 nH	28 °C	28	Toroid	5.18 mm⁻¹	850
Laird Technologies EMI 28T0135-00P	Ungapped	20 %	7.57 mm	1.06 mm²	0.136 in	Parylene	0.051 in	142 nH	28 °C	28	Toroid	7.12 mm⁻¹	850
Laird Technologies EMI 28T0155-00P	Ungapped	25 %	9.16 mm	2.19 mm²	0.156 in	Parylene	0.101 in	244 nH	28 °C	28	Toroid	4.19 mm⁻¹	850
Laird Technologies EMI 28T0100-30P	Ungapped	20 %	5.53 mm	0.6 mm²	0.1 in	Parylene	0.04 in	117 nH	28 °C	28	Toroid	9.15 mm⁻¹	850
Laird Technologies EMI 28T0231-10P	Ungapped	20 %	12.99 mm	4.22 mm²	0.231 in	Parylene	0.121 in	337 nH	28 °C	28	Toroid	3.08 mm⁻¹	850
Laird Technologies EMI 28T0119-00P	Ungapped	20 %	5.988 mm	1.06 mm²	0.12 in	Parylene	0.05 in	189 nH	28 °C	28	Toroid	5.651 mm⁻¹	850	6.345 mm³	5.651 mm⁻²
Laird Technologies EMI 28T0122-00P	Ungapped	20 %	6.938 mm	1.118 mm²	0.12 in	Parylene	0.07 in	172 nH	28 °C	28	Toroid	6.207 mm⁻¹	850	7.755 mm³
Laird Technologies EMI 28T0135-10P	Ungapped	20 %	4.45 mm	1.7 mm²	0.136 in	Parylene	0.082 in	230 nH	28 °C	28	Toroid	4.45 mm⁻¹	850
Laird Technologies EMI 28T0119-10P	Ungapped	20 %	5.93 mm	0.68 mm²	0.121 in	Parylene	0.031 in	113 nH	28 °C	28	Toroid	8.77 mm⁻¹	850
Laird Technologies EMI 28T0551-00G	Ungapped	20 %	34.91 mm	12.83 mm²	0.554 in	Epoxy	0.2 in	375 nH	28 °C	28	Toroid	2.72 mm⁻¹	850

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