EPCOS B65811-J250-A87 Rm cores are supplied in set Datasheet

RM 8
Core
B65811
■ In accordance with IEC 60431
■ Cores without center hole
for transformer applications
■ RM cores are supplied in sets
Magnetic characteristics (per set)
Σl/A
le
Ae
A min
Ve
with
center hole
without
center hole
0,67
35,1
52
—
1 840
0,59
38
64
55
2 430
mm–1
mm
mm2
mm2
mm3
12
g
Approx. weight (per set)
m
10,7
Gapped
Material
AL value
s
nH
approx.
mm
250 ±
315 ±
400 ±
630 ±
µe
Ordering code 1)
-D with center hole
-F with threaded sleeve
-J without center hole
3%
3%
3%
5%
0,23
0,17
0,14
0,10
133
168
213
336
B65811-+250-A48
B65811-+315-A48
B65811-+400-A48
B65811-+630-J48
N41
160 ± 3 %
250 ± 5 %
630 ± 5 %
1600 ± 10 %
0,49
0,24
0,11
0,04
76
117
298
752
B65811-J160-A41
B65811-J250-J41
B65811-J630-J41
B65811-J1600-K41
N87
250 ± 3 %
400 ± 3 %
0,30
0,18
118
189
B65811-J250-A87
B65811-J400-A87
N48
1) Replace the + by the code letter “F” or “D” for the required version. Standard version is “D”.
224 08/01
RM 8
Core
B65811
Ungapped
Material A L value
µe
nH
A L1min PV
nH
W/set
Ordering code
-D with center hole
-J w/o center hole
N26
2900 + 30/– 20 % 1550
B65811-D-R26
N30
5700 + 30/– 20 % 2680
B65811-J-R30
T38
12500 + 40/– 30 % 5870
B65811-J-Y38
B65811-J-R49
N49
2200 + 30/– 20 % 1040 1270
< 0,37
(50 mT, 500 kHz, 100 °C)
N87
3300 + 30/– 20 % 1560 1900
< 1,20
B65811-J-R87
(200 mT, 100 kHz, 100 °C)
N97 1)
3300 + 30/– 20 % 1560 1900
B65811-J-R97
< 1,00
(200 mT, 100 kHz, 100 °C)
N41
4100 + 30/– 20 % 1930 1900
< 0,36
(200 mT, 25 kHz, 100 °C)
1) Preliminary data
225 08/01
B65811-J-R41
RM 8
Accessories
B65812
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
AN
mm2
lN
mm
A R value
µΩ
Pins
Ordering code
1
30
42
47
5
8
8
12
B65812-N1005-D1
B65812-N1008-D1
B65812-W1008-D1
B65812-N1012-D1
2
28,4
42
50
5
8
B65812-N1005-D2
B65812-N1008-D2
,2
+0
8,7
10
Pins omitted
5 pins
8 pins
3, 4, 6, 7, 9, 10, 12
3, 4, 9, 10
3
9
8
7
4
6 5
ø16,9 _ 0,2
0,97±0,05
5,5±0,3
0,56±0,05
ø9,95 _ 0,15
11,55
10,65 _ 0,15
0,60±0,05
Version
1
2
5
0,0
11 12
5±
1,3
12 pins
0,5
Ground
Erdungspunkte
Ø
1,3 + 0,1
ø1,3+0,1
2,54
ø1+0,1
Hole arrangement
View in mounting direction
226 08/01
60
_ 10
FRM0301-M
RM 8
Accessories
B65812
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
AN
mm2
lN
mm
A R value
µΩ
Pins
Ordering code
1
30
42
47
5
8
12
B65812-K1005-D1
B65812-K1008-D1
B65812-K1012-D1
2
28,4
42
50
5
12
B65812-K1005-D2
B65812-K1012-D2
5 and 8 pins*)
12 pins
2
0,
8,
5
7+
,0
±0
35
1,
11 12
10
3
9
4
6 5
0,56±0,05
ø16,9 _ 0,2
ø9,95 _ 0,1
0,97±0,05
11,55
5,5±0,3
10,65 _ 0,15
0,60±0,05
8
7
*) Pins 6, 7 and 12 are omitted
*) in the 5-pin version
1
2
0,5
Ground
ø1,3+0,1
2,54
ø1+0,1
˚
60
˚
_ 10
Hole arrangement
View in mounting direction
FRM0240-2
227 08/01
RM 8
Accessories
B65812
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.
● Closed center flange with external wire guide
● Pins squared in the start-of-winding area
● 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
AN
mm2
lN
mm
A R value
µΩ
Pins
Ordering code
2
28,4
42
50
8
B65812-X1108-D2
1,3
+
8,7
Section
Schnitt C-DC–D
5±
11 12
0,2
View
AnsichtA
A
0,0
5
7,4
1
2
5
8
7
D
ø0,62 max.
Ground Ø 1,3+0,1
Erdungspunkte
ø1,3+0,1
ø1+0,1
Hole arrangement
View in mounting direction
2,54
0,9±0,05
C
0,55±0,05
0,55±0,5
11,5 _ 0,15
10,6 _ 0,15
60
A
ø16,9 _ 0,2
ø9,95 _ 0,1
0,45 max.
5,5±0,3
6 5
_1
0
9,9
FRM0260-G
228 08/01
RM 8
Accessories
B65812
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
AN
mm2
lN
mm
A R value
µΩ
Pins
Ordering code
1
30
42
47
12
B65812-C1512-T1
Marking of pin 1
Ground Ø 1,3+0,1
Hole arrangement
View in mounting direction
(Note half pitch!)
229 08/01
RM 8
Accessories
B65812
Clamp
■ With ground terminal, made of stainless spring steel (tinned), 0,4 mm thick
■ Solderability to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 °C, 2 s
■ Also available as strip clamp on reels
Insulating washer 1 between core and coil former
■ For tolerance compensation and for insulation
■ 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
■ Made of polycarbonate (UL 94 V-0, insulation class to IEC 60085: E
120 °C), 0,3 mm thick
Clamp (ordering code per piece, 2 are required)
B65812-A2203
Insulating washer 1 (reel packing, PU = 1 reel)
B65812-A5000
Insulating washer 2 (bulk)
B65812-C2005
Ordering code
Clamp
_ 0,2
4,5 +0,1
_ 0,1
13,6 +0,2
0,7 _ 0,2
_ 0,1
14,9 +0,2
0,7 _ 0,2
4,8 max.
0,7x0,4
FRM0105-8
Insulating washer 1
Insulating
washer 2
230 08/01
RM 8
B63399
Accessories
B65812
Adjusting screw
■ Tube core with thread and core brake made of GFR polyterephthalate
Plastic adjusting screwdriver (not shown)
Plastic handle for adjusting screwdriver (not shown)
Core RM 8
Adjusting screw
Material AL value
nH
Tube core
∅ × length
mm
N 48
250
315
Min.
adjusting
range
Ordering code
Material
Color
code
4,18 × 5,0
Si 1
white
12
3,85 × 5,0
N 22
gray
13
B65812-B3003-X22
400
4,18 × 4,0
N 22
brown
17
B65812-B3002-X22
630
4,18 × 5,0
N 22
black
9
B65812-B3001-X22
%
B65812-B3001-X101
Adjusting screwdriver
B63399-B1
Handle
B63399-B5
Adjusting screw
231 08/01
Herausgegeben von EPCOS AG
Marketing Kommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND
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Diese Broschüre ersetzt die vorige Ausgabe.
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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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