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RM 8 Core
I In accordance with IEC 60431 I Cores without center hole
B65811
for transformer applications
I RM cores are supplied in sets
Magnetic characteristics (per set) with center hole without center hole 0,59 38 64 55 2 430 mm-1 mm mm2 mm2 mm3
l/A le Ae A min Ve
0,67 35,1 52 -- 1 840
Approx. weight (per set) m 10,7 12 g
Gapped Material AL value s approx. mm 3% 3% 3% 5% 0,23 0,17 0,14 0,10 0,49 0,24 0,11 0,04 0,30 0,18 133 168 213 336 76 117 298 752 118 189
e
nH N48 250 315 400 630
Ordering code 1) -D with center hole -F with threaded sleeve -J without center hole B65811-+250-A48 B65811-+315-A48 B65811-+400-A48 B65811-+630-J48 B65811-J160-A41 B65811-J250-J41 B65811-J630-J41 B65811-J1600-K41 B65811-J250-A87 B65811-J400-A87
N41
160 3 % 250 5 % 630 5 % 1600 10 % 250 3 % 400 3 %
N87
1) Replace the + by the code letter "F" or "D" for the required version. Standard version is "D".
224 08/01
RM 8 Core
Ungapped Material A L value nH N26 N30 T38 N49 N87 N97 1) N41 2900 + 30/- 20 % 1550 5700 + 30/- 20 % 2680 12500 + 40/- 30 % 5870 2200 + 30/- 20 % 1040 1270 3300 + 30/- 20 % 1560 1900 3300 + 30/- 20 % 1560 1900 4100 + 30/- 20 % 1930 1900 < 0,37 (50 mT, 500 kHz, 100 C)
B65811
e
A L1min PV nH W/set
Ordering code -D with center hole -J w/o center hole B65811-D-R26 B65811-J-R30 B65811-J-Y38 B65811-J-R49
< 1,20 B65811-J-R87 (200 mT, 100 kHz, 100 C) B65811-J-R97 < 1,00 (200 mT, 100 kHz, 100 C) < 0,36 (200 mT, 25 kHz, 100 C) B65811-J-R41
1) Preliminary data
225 08/01
RM 8 Accessories
Coil former, squared pins Material: GFR thermosetting plastic (UL 94 V-0, insulation class to IEC 60085: H max. operating temperature 180 C), color code black Solderability: to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 C, 2 s Resistance to soldering heat: to IEC 60068-2-20, test Tb, method 1B: 350 C, 3,5 s Winding: see "Processing Notes", page 153 For matching clamp and insulating washers see page 230 Sections 1 AN mm2 30 lN mm 42 A R value 47 Pins 5 8 8 12 5 8 Ordering code B65812-N1005-D1 B65812-N1008-D1 B65812-W1008-D1 B65812-N1012-D1 B65812-N1005-D2 B65812-N1008-D2
B65812
2
28,4
42
50
1,3
12 pins
,2 +0 8,7
5 0,0 5
11 12 10 9 3 4
Version 5 pins 8 pins
Pins omitted 3, 4, 6, 7, 9, 10, 12 3, 4, 9, 10
1 2
8 7
10,65 _ 0,15 0,600,05
65 o16,9 _ 0,2 o9,95 _ 0,15
0,560,05
11,55
0,970,05
0,5
Ground Erdungspunkte O 1,3 + 0,1 o1,3+0,1
5,50,3 2,54
o1+0,1
_ 10
FRM0301-M
Hole arrangement View in mounting direction 226 08/01
60
RM 8 Accessories
Coil former, pins squared in the start-of-winding area Material: GFR thermosetting plastic (UL 94 V-0, insulation class to IEC 60085: H max. operating temperature 180 C), color code blue Solderability: to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 C, 2 s Resistance to soldering heat: to IEC 60068-2-20, test Tb, method 1B: 350 C, 3,5 s Winding: see "Processing Notes", page 153 For matching clamp and insulating washers see page 230 Sections 1 AN mm2 30 lN mm 42 A R value 47 Pins 5 8 12 5 12 Ordering code B65812-K1005-D1 B65812-K1008-D1 B65812-K1012-D1 B65812-K1005-D2 B65812-K1012-D2
B65812
2
28,4
42
50
5 and 8 pins*)
0,
11 12 10 9 8 7 4 65 o16,9 _ 0,2 o9,95 _ 0,1 3
12 pins
1, 35 0 ,0
7+
2
5
1 2
*) Pins 6, 7 and 12 are omitted *) in the 5-pin version
10,65 _ 0,15 0,600,05
8,
0,970,05
0,5
Ground o1,3+0,1 o1+0,1
2,54
0,560,05
5,50,3
11,55
_ 10
FRM0240-2
Hole arrangement View in mounting direction
227 08/01
60
RM 8 Accessories
Coil former for SMPS transformers with line isolation The creepage distances and clearances are designed such that the coil former is suitable for use in SMPS transformers with line isolation. G Closed center flange with external wire guide G Pins squared in the start-of-winding area G Optimized for use with automatic winding machines Material: GFR thermosetting plastic (UL 94 V-0, insulation class to IEC 60085: F max. operating temperature 155 C), color code green Solderability: to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 C, 2 s Resistance to soldering heat: to IEC 60068-2-20, test Tb, method 1B: 350 C, 3,5 s Winding: see "Processing Notes", page 153 Sections 2 AN mm2 28,4 lN mm 42 A R value 50 Pins 8 Ordering code B65812-X1108-D2
B65812
1,3 ,2 +0 8,7
11 12
5
1 2
Section C-D Schnitt C-D
0,0 5
View A Ansicht A
7,4
8 7 65 A
5 9,9
0,550,5
11,5 _ 0,15 10,6 _ 0,15
0,550,05
o16,9 _ 0,2 o9,95 _ 0,1
C
D
0,90,05
o0,62 max.
Ground O o1,3+0,1 Erdungspunkte1,3+0,1
0,45 max. 5,50,3
o1+0,1
Hole arrangement View in mounting direction
2,54
FRM0260-G
228 08/01
_1
60
0
RM 8 Accessories
Coil former for power applications Optimized for automatic winding Material: GFR polyterephthalate (UL 94 V-0, insulation class to IEC 60085: F max. operating temperature 155 C), color code black Solderability: to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 C, 2 s Resistance to soldering heat: to IEC 60068-2-20, test Tb, method 1B: 350 C, 3,5 s Winding: see "Processing Notes", page 153 For matching clamp and insulating washer 1 see page 230 Sections 1 AN mm2 30 lN mm 42 A R value 47 Pins 12 Ordering code B65812-C1512-T1
B65812
Marking of pin 1
Ground O 1,3+0,1
Hole arrangement View in mounting direction (Note half pitch!)
229 08/01
RM 8 Accessories
Clamp
I With ground terminal, made of stainless spring steel (tinned), 0,4 mm thick I Solderability to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 C, 2 s I Also available as strip clamp on reels
B65812
Insulating washer 1 between core and coil former
I For tolerance compensation and for insulation I Made of polycarbonate (UL 94 V-0, insulation class to IEC 60085: E
120 C), 0,08 mm thick
Insulating washer 2 for double-clad PCBs
I Made of polycarbonate (UL 94 V-0, insulation class to IEC 60085: E
120 C), 0,3 mm thick Ordering code
Clamp (ordering code per piece, 2 are required) Insulating washer 1 (reel packing, PU = 1 reel) Insulating washer 2 (bulk) Clamp
0,7 _ 0,2
B65812-A2203 B65812-A5000 B65812-C2005
4,8 max.
_ 0,1 13,6 +0,2
_ 0,1 14,9 +0,2
0,7 _ 0,2
_ 0,2 4,5 +0,1
0,7x0,4
FRM0105-8
Insulating washer 1
Insulating washer 2
230 08/01
RM 8 Accessories
Adjusting screw
I Tube core with thread and core brake made of GFR polyterephthalate
B63399 B65812
Plastic adjusting screwdriver (not shown) Plastic handle for adjusting screwdriver (not shown) Core RM 8 Material AL value nH N 48 250 315 400 630 Handle Adjusting screw Tube core x length mm 4,18 x 5,0 3,85 x 5,0 4,18 x 4,0 4,18 x 5,0 Material Si 1 N 22 N 22 N 22 Color code white gray brown black Min. adjusting range % 12 13 17 9 B65812-B3001-X101 B65812-B3003-X22 B65812-B3002-X22 B65812-B3001-X22 B63399-B1 B63399-B5 Ordering code
Adjusting screwdriver
Adjusting screw
231 08/01
Herausgegeben von EPCOS AG Marketing Kommunikation, Postfach 80 17 09, 81617 Munchen, DEUTSCHLAND EPCOS AG 2000. Alle Rechte vorbehalten. Vervielfaltigung, Veroffentlichung, Verbreitung und Verwertung dieser Broschure und ihres Inhalts ohne ausdruckliche Genehmigung der EPCOS AG nicht gestattet. Mit den Angaben in dieser Broschure werden die Bauelemente spezifiziert, keine Eigenschaften zugesichert. Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen fur Erzeugnisse und Leistungen der Elektroindustrie, soweit nichts anderes vereinbart wird. Diese Broschure ersetzt die vorige Ausgabe. Fragen uber Technik, Preise und Liefermoglichkeiten richten Sie bitte an den Ihnen nachstgelegenen Vertrieb der EPCOS AG oder an unsere Vertriebsgesellschaften im Ausland. Bauelemente konnen aufgrund technischer Erfordernisse Gefahrstoffe enthalten. Auskunfte daruber bitten wir unter Angabe des betreffenden Typs ebenfalls uber die zustandige Vertriebsgesellschaft einzuholen.
Published by EPCOS AG Marketing Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY EPCOS AG 2000. All Rights Reserved. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS' prior express consent is prohibited. The information contained in this brochure describes the type of component and shall not be considered as guaranteed characteristics. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices.
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