FERRITE CERAMICS DATA SHEET RM8 RM cores and accessories Product specification Supersedes data of November 1997 File under Ferrite Ceramics, MA01 1999 Dec 23 Philips Components Product specification RM cores and accessories RM8 CORE SETS handbook, halfpage Effective core parameters SYMBOL PARAMETER VALUE UNIT Σ(I/A) core factor (C1) 0.683 mm−1 Ve effective volume 1850 mm3 Ie effective length 35.5 mm Ae effective area 52.0 mm2 Amin minimum area 39.5 mm2 m ≈10.9 mass of set 11 0 19.7 0.8 M2 0.2 5 0 0 0.5 9.5 0 0.9 23.2 g ,,,,, ,, ,, ,,,,, ,,,, ,,,,, ,,,,, ,, 0 O 8.55 0.3 14.3 0.2 2.7 0.2 O 4.4 0 0.4 16.4 10.8 0 0.1 MGC060 O 17 0.6 0 Dimensions in mm. Fig.1 RM8 core set. Core sets for filter applications Clamping force for AL measurements, 60 ±30 N. GRADE AL (nH) µe AIR GAP (µm) TYPE NUMBER (WITH NUT) TYPE NUMBER (WITHOUT NUT) 3D3 100 ±3% ≈54 ≈750 RM8-3D3-E100/N RM8-3D3-E100 3H3 160 ±3% 1240 ±25% 250 ±3% ≈87 ≈670 ≈135 ≈400 ≈0 ≈210 RM8-3D3-E160/N − RM8-3H3-A250/N RM8-3D3-E160 RM8-3D3 RM8-3H3-A250 315 ±3% 400 ±3% 630 ±5% 2850 ±25% ≈170 ≈220 ≈340 ≈1540 ≈160 ≈130 ≈100 ≈0 RM8-3H3-A315/N RM8-3H3-A400/N RM8-3H3-A630/N − RM8-3H3-A315 RM8-3H3-A400 RM8-3H3-A630 RM8-3H3 1999 Dec 23 2 Philips Components Product specification RM cores and accessories RM8 INDUCTANCE ADJUSTERS General data O 4.65 handbook, halfpage PARAMETER 0.15 0 SPECIFICATION Material of head and thread polypropylene (PP), glass fibre reinforced Maximum operating temperature 125 °C 10.4 3.85 M2 0.8 3.7 min MGC061 Dimensions in mm. Fig.2 RM8 inductance adjuster. Inductance adjuster selection chart GRADE AL (nH) TYPES FOR LOW ADJUSTMENT ∆L/L %(1) TYPES FOR MEDIUM ADJUSTMENT ∆L/L %(1) 63 − − − − 100 − − ADJ-P22/RM8-RED 3H3 ∆L/L %(1) ADJ-P22/RM8-RED 24 ADJ-P22/RM8-ORANGE 21 − ADJ-P22/RM8-ORANGE 14 ADJ-P22/RM8-YELLOW 18 250 ADJ-P22/RM8-RED 7 ADJ-P22/RM8-YELLOW 12 ADJ-P22/RM8-WHITE 18 315 ADJ-P22/RM8-YELLOW 9 ADJ-P22/RM8-WHITE 13 ADJ-P22/RM8-BROWN 21 400 ADJ-P22/RM8-YELLOW 7 ADJ-P22/RM8-WHITE 10 ADJ-P22/RM8-BROWN 15 630 ADJ-P22/RM8-YELLOW 4 ADJ-P22/RM8-BROWN 8 ADJ-P22/RM8-BLACK 13 63 − − − − ADJ-P22/RM8-RED 23 100 − − ADJ-P22/RM8-RED 15 ADJ-P22/RM8-ORANGE 22 160 − − ADJ-P22/RM8-ORANGE 14 ADJ-P22/RM8-YELLOW 17 160 3D3 − 16 TYPES FOR HIGH ADJUSTMENT Note 1. Maximum adjustment range. 1999 Dec 23 3 Philips Components Product specification RM cores and accessories RM8 COIL FORMER General data PARAMETER SPECIFICATION Coil former material unsaturated polyester (UP), glass-reinforced, flame retardant in accordance with UL 94V-0; UL file number E61040 (M) Pin material copper-tin alloy (CuSn), tin-lead alloy (SnPb) plated Maximum operating temperature 180 °C, IEC 60085 class H Resistance to soldering heat “IEC 60068-2-20” , Part 2, Test Tb, method 1B, 350 °C, 3.5 s Solderability “IEC 60068-2-20”, Part 2, Test Ta, method 1 17.78 0.6 12.7 11.2full min. handbook, pagewidth 10.65 +0.1 0 8.83 min. 0.97 7.62 0.9 8.8 +0.1 0 ∅16.9 0 −0.2 ∅9.95 0 −0.1 ∅ 0.6 1.3 min. 1 +0.1 0 5.5 CBW525 2.54 0.1 Dimensions in mm. Fig.3 RM8 coil former. Winding data for RM8 coil former PIN POSITIONS USED AVERAGE LENGTH OF TURN (mm) WINDING AREA (mm2) WINDING WIDTH (mm) 8 1, 2, 5, 6, 7, 8, 11, 12 42 30 9.1 CSV-RM8-1S-8P-G 12 all 42 30 9.1 CSV-RM8-1S-12P-G 2 8 1, 2, 5, 6, 7, 8, 11, 12 42 2 × 13.5 2 × 4.3 CSV-RM8-2S-8P-G 2 12 all 42 2 × 13.5 2 × 4.3 CSV-RM8-2S-12P-G NUMBER OF SECTIONS NUMBER OF PINS 1 1 1999 Dec 23 4 TYPE NUMBER Philips Components Product specification RM cores and accessories RM8 MOUNTING PARTS General data ITEM SPECIFICATION Clamping force ≈30 N Clip material steel Clip plating silver (Ag) Solderability “IEC 60068-2-20”, Part 2, Test Ta, method 1 Type number CLI/P-RM8 handbook, halfpage 4.5 3.8 16 4.5 0.7 MGC063 Dimensions in mm. Fig.4 Mounting clip for RM8. 1999 Dec 23 5 13.7