RM Core. RM Core Components. Adjuster. Clip. Clip. Coilformer. RM Core

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1 RM ore omponents djuster RM ore oilformer RM ore RM ores RM (Rectangular modulus) cores arose due to the demand for coil formers with integrated pins that allow for efficient winding and high P packing densities. lamps engaging in recesses in the core base hold the cores in place, meaning glue is not normally required in this process. ll the cores adhere to specifications laid down in I 431 and in IN The coil formers adhere to IN RM cores are designed for two main applications: -ighly stable, extremely low loss filter inductors and other resonance determining inductors (58, P11). -Low distortion broadband transmission at low signal modulation (39, 10, 9). RM cores can also be supplied without the centre hole. These have a higher L value and cross sectional area and are used for power transformer applications (47, 44, 45, 5).

2 RM ore imensions (mm) In accordance with I ocument Parameter Σl / ffective Length ffective rea Minimum rea ffective Volume Value 1.90mm mm 11.0mm² mm³ /-20% /-20% P /-20% P11 63 ±3% * P ±3% * P ±3% * P ±3% * P ±3% ** P ±3% ** P ±3% ** *Part number refers to a pair of cores fitted with a nut for adjustable inductance assemblies. **Part number denotes a gapped pair without nut. Other part numbers refer to half cores. obbins/oil ormers djusters Mounting No. of Sections Pins Vertical (S) S64 Vertical (S) S64 Other pin lengths or variation may be listed at the end of this section L Value 63/ /

3 ore imensions (mm) RM 4 SOLI In accordance with I ocument Parameter Σl / ffective Length ffective rea Minimum rea ffective Volume Value 1.70mm mm 13.0mm² 11.3mm² 286.0mm³ /-20% /-20% /-30% /-20% ±5% * ±5% * ±5% * obbins/oil ormers Mounting No. of Sections Pins Vertical (S) S Vertical (S) S64 Other pin lengths and versions may be listed at the end of this section

4 RM ore imensions (mm) In accordance with I ocument Parameter Σl / ffective Length ffective rea Minimum rea ffective Volume Value 1.00mm mm 20.80mm² 15.0mm² 430.0mm³ /-20% /-30% P /-20% P ±3% * P ±3% * P ±3% * P ±3% * P ±5% ** P ±5% ** P ±5% ** *Part number refers to a pair of cores fitted with a nut for adjustable inductance assemblies. **Part number denotes a pair of cores without nut. Other part numbers refer to half cores. obbins/oil ormers djusters Mounting No. of Sections Pins Vertical (S) S64 Vertical (S) S64 Other pin lengths or variation may be listed at the end of this section L Value 100/ /

5 ore imensions (mm) RM 5 SOLI In accordance with I ocument Parameter Σl / ffective Length ffective rea Minimum rea ffective Volume Value 0.93mm mm 23.80mm² 18.0mm² 526.0mm³ /-20% /-20% /-30% /-20% /-20% ±5% * ±5% * ±5% * obbins/oil ormers Mounting No. of Sections Pins Vertical (S) S Vertical (S) S64 Other pin lengths and versions may be listed at the end of this section

6 RM ore imensions (mm) In accordance with I ocument Parameter Σl / ffective Length ffective rea Minimum rea ffective Volume Value 0.87mm mm 31.0mm² mm³ /-20% P /-20% ±3% * ±3% * ±3% * P ±3% * P ±3% * P ±3% * P ±3% * P ±10% * *Part number refers to a pair of cores fitted with a nut for adjustable inductance assemblies. Non adjustable cores may also be available on request. obbins/oil ormers djusters Mounting No. of Sections Pins Vertical (S) Vertical (S) Other pin lengths or variation may be listed at the end of this section L Value 65/100/ /

7 ore imensions (mm) RM 6 SOLI In accordance with I ocument Parameter Σl / ffective Length ffective rea Minimum rea ffective Volume Value 0.78mm mm 37.0mm² 31.0mm² mm³ /-20% /-20% /-30% /-20% /-20% /-20% ±5% * ±5% * ±5% * ±5% * obbins/oil ormers Mounting No. of Sections Pins Vertical (S) Vertical (S) Other pin lengths and versions may be listed at the end of this section

8 RM ore imensions (mm) In accordance with I ocument Parameter Σl / ffective Length ffective rea Minimum rea ffective Volume Value 0.74mm mm 40.00mm² mm³ /-20% P /-20% P ±3% * P ±3% * P ±3% * P ±3% * P ±5% ** P ±5% ** P ±5% ** P ±5% ** **Part number denotes solid core. *Part number refers to a pair of cores fitted with a nut for adjustable inductance assemblies. obbins/oil ormers djusters Mounting No. of Sections Pins Vertical (S) Vertical (S) Other pin lengths or variation may be listed at the end of this section L Value 63/100/ /

9 ore imensions (mm) RM 7 SOLI In accordance with I ocument Parameter Σl / ffective Length ffective rea Minimum rea ffective Volume Value 0.70mm mm 43.0mm² 39.0mm² mm³ /-20% /-20% /-30% /-20% /-20% ±5% * ±5% * ±5% * ±5% * obbins/oil ormers Mounting No. of Sections Pins Vertical (S) Vertical (S) Other pin lengths and versions may be listed at the end of this section

10 RM ore imensions (mm) In accordance with I ocument Parameter Σl / ffective Length ffective rea Minimum rea ffective Volume Value 0.68mm mm 52.00mm² mm³ P /-20% /-20% ±3% * ±3% * P ±3% * P ±3% * P ±3% * P ±3% * P ±3% * P ±3% * Non adjustable type may be available on request. *Part number refers to a pair of cores fitted with a nut for adjustable inductance assemblies. obbins/oil ormers djusters Mounting No. of Sections Pins Vertical (Z) Vertical (S) Other pin lengths or variation may be listed at the end of this section L Value 63/100/ /

11 ore imensions (mm) RM 8 SOLI In accordance with I ocument Parameter Σl / ffective Length ffective rea Minimum rea ffective Volume Value 0.59mm mm 64.0mm² 55.0mm² mm³ /-20% /-20% /-30% /-20% /-20% /-20% ±5% * ±5% * ±5% * ±5% * obbins/oil ormers Mounting No. of Sections Pins Vertical (Z) Vertical (S) Other pin lengths and versions may be listed at the end of this section

12 RM ore imensions (mm) In accordance with I ocument Parameter Σl / ffective Length ffective rea Minimum rea ffective Volume Value 0.50mm mm 83.00mm² mm³ P /-20% /-20% ±3% * ±3% * P ±3% * P ±3% * P ±3% * P ±3% * P ±3% * Non adjustable type may be available on request. *Part number refers to a pair of cores fitted with a nut for adjustable inductance assemblies. obbins/oil ormers djusters Style No. of Sections Pins Vertical (Z) Vertical (S) Other pin lengths or variation may be listed at the end of this section L Value 63/100/160/ /

13 ore imensions (mm) RM 10 SOLI In accordance with I ocument Parameter Σl / ffective Length ffective rea Minimum rea ffective Volume Value 0.45mm mm 98.0mm² 90.0mm² mm³ /-20% /-20% /-30% /-20% /-20% /-20% ±5% * ±5% * ±5% * ±5% * obbins/oil ormers Style No. of Sections Pins Vertical (Z) Vertical (S) Other pin lengths and versions may be listed at the end of this section

14 RM 12i SOLI ore imensions (mm) In accordance with I ocument Parameter Σl / ffective Length ffective rea Minimum rea ffective Volume Value 0.388mm mm mm² 125mm mm³ /-20% /-20% /-20% ±5% * ±5% * ±5% * NOT: This core range now complies with the new industrial requirements for power handling and should be ordered as replacements for previous RM12 cores supplied under Part no s xx to xx. The clips are also not compatible with this new range. obbins/oil ormers Style No. of Sections Pins Vertical (S) Vertical (IL) Other pin lengths or variation may be listed at the end of this section

15 ore imensions (mm) RM 14i SOLI In accordance with I ocument Parameter Σl / ffective Length ffective rea Minimum rea ffective Volume Value 0.353mm mm 198.0mm² 168.0mm² 13,900.0mm³ /-20% /-20% ±5% * ±5% * ±5% * ±5% * NOT: This core range now complies with the new industrial requirements for power handling and should be ordered as replacements for previous RM14 cores supplied under Part nos xx to xx. The clips are also not compatible with this new range. obbins/oil ormers Style No. of Sections Pins Vertical (S) Vertical (IL) Other pin lengths and versions may be listed at the end of this section