Data Sheet
Data Sheet
Date:
September 2006
EPCOS AG 2006. Reproduction, publication and dissemination of this data sheet and the
information contained therein without EPCOS' prior express consent is prohibited.
Ferrites and accessories
RM 7, RM 7 LP
Cores and accessories
Series/Type:
B65819, B65820, B65659
2
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
To IEC 62317-4
Core without center hole
for transformer applications
Delivery mode: sets
Magnetic characteristics (per set)
Approx. weight (per set)
Gapped
Ungapped
with
center hole
without
center hole
l/A
l
e
A
e
A
min
V
e
0.75
29.8
40
1190
0.7
30.4
43
39
1310
mm
1
mm
mm
2
mm
2
mm
3
m
6.5
7.2
g
Material
A
L
value
nH
s
approx.
mm
e
Ordering code
1)
-A with center hole
-N with threaded sleeve
-J without center hole
N41
160
5%
0.30
90
B65819J0160J041
250
5%
0.18
141
B65819J0250J041
N48
250
3%
0.16
148
B65819+0250A048
315
3%
0.12
187
B65819+0315A048
Material
A
L
value
nH
e
P
V
W/set
Ordering code
-J without center hole
N30
5000 +30/20% 2810
B65819J0000R030
T38
10000 +40/30% 5630
B65819J0000Y038
N49
1900 +30/20% 1070
< 0.22 ( 50 mT, 500 kHz, 100
C) B65819J0000R049
N87
2700 +30/20% 1520
< 0.77 (200 mT, 100 kHz, 100
C) B65819J0000R087
N97
2700 +30/20% 1520
< 0.58 (200 mT, 100 kHz, 100
C) B65819J0000R097
FRM0171-Q
8,4+0,5
11,30,25
14,75+0,65
3
M2
3+0,1
S
2,50,15
9,3 min.
0,7
17,2
_
17,2
0,7
_
0,8
20,3
_
13,5
0,2
_
7,25 0,3
_
1) Replace the + by the code letter "A" or "N" for the required version.
B65819
Core
RM 7
3
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
Coil former
Material:
GFR thermosetting plastic (UL 94 V-0, insulation class to IEC 60085:
H max. operating temperature 180
C), color code black
Sumikon PM 9630
[E41429 (M)], SUMITOMO BAKELITE CO LTD
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 Data Book 2007, chapter "Processing notes, 2.1"
Squared pins.
For matching clamp and insulating washers see page 4.
Sections
A
N
mm
2
l
N
mm
A
R
value
Pins
Ordering code
1
22.4
36.0
55.4
8
B65820W1008D001
2
21.9
36.0
56.5
8
B65820W1008D002
FRM0314-J-E
0.25
1.3+0.1
2x ground
1.3
_
0.45
8.25
0.1
_
14.65
7.3+0.15
_
8.3 0.1
0.25
_
4.80.3
View in mounting direction
Hole arrangement
0.750.05
10.1
Pin 1
marking
2.54
0.15
+0.05
0.45
_
0.15
0.45
+0.05
_
1+0.1
B65820
Accessories
RM 7
4
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
Clamp
With ground terminal, made of spring steel (tinned), 0.4 mm thick
Solderability to IEC 60068-2-20, test Ta, method 1 (aging 3): 235
C, 2 s
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
Aryphan F685, [E167358 (M)], natural color, LOFO HIGH TECH FILM GMBH
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
Makrofol DPF 5026, [E41613 (M)], natural color, BAYER MATERIALSCIENCE AG
Clamp
Insulating washer 1
Insulating washer 2
Ordering code
Clamp (ordering code per piece, 2 are required)
B65820B2001X000
Insulating washer 1 (reel packing, PU = 1 reel)
B65820A5000X000
Insulating washer 2 (bulk)
B65820C2005X000
FRM0090-Q
10,6+0,3
4,50,25
2,30,1
0,6x0,4
0,72
0,72
(preliminary data)
B65820
Accessories
RM 7
5
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
Adjusting screw
Tube core with thread and core brake made of GFR polyterephthalate
Pocan B3235
[E245249 (M)], LANXESS AG
a
b
Figure
Tube core
Ordering code
length (mm) Material
Color code
a
2.62
3.6
N22
red
B65659F0001X023
b
2.75
4.4
N22
black
B65659F0003X023
B65659
Accessories
RM 7
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