Ferrites and accessories
RM 7, RM 7 LP
Cores and accessories
Series/Type:
Date:
B65819, B65820, B65659
September 2006/March 2011
Data Sheet
EPCOS AG 2006,
2011.
Reproduction, publication and dissemination of this data sheet and the
information contained therein without EPCOS’ prior express consent is prohibited.
RM 7
Core
■
To IEC 62317-4
■
Core without center hole
B65819
for transformer applications
■
Delivery mode: sets
3
1
2
7,
0,
7
17
,2
_
0,
_
7
Magnetic characteristics
(per set)
with
center hole
Σ
l/A
l
e
A
e
A
min
V
e
0.75
29.8
40
1190
without
center hole
0.7
30.4
43
39
1310
mm
–1
mm
mm
2
mm
2
mm
3
9,3 min.
20,3
_
0,8
ø14,75+0,65
11,3±0,25
S
2,5±0,15
Approx. weight
(per set)
m
6.5
7.2
g
M2
ø3+0,1
ø7,25
_
0,3
FRM0171-Q
Gapped
Material
A
L
value
s
approx.
mm
0.30
0.18
0.16
0.12
90
141
148
187
µ
e
Ordering code
1)
-A with center hole
-N with threaded sleeve
-J without center hole
B65819J0160J041
B65819J0250J041
B65819+0250A048
B65819+0315A048
nH
N41
N48
160
±5%
250
±5%
250
±3%
315
±3%
Ungapped
Material
A
L
value
nH
N30
T38
N49
N87
N97
5000 +30/–20% 2810
10000 +40/–30% 5630
1900 +30/–20% 1070
2700 +30/–20% 1520
2700 +30/–20% 1520
< 0.22 ( 50 mT, 500 kHz, 100
°C)
< 0.77 (200 mT, 100 kHz, 100
°C)
< 0.58 (200 mT, 100 kHz, 100
°C)
µ
e
P
V
W/set
Ordering code
-J without center hole
B65819J0000R030
B65819J0000Y038
B65819J0000R049
B65819J0000R087
B65819J0000R097
1) Replace the + by the code letter “A” or “N” for the required version.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
09/06
13,5
_
0,2
8,4+0,5
RM 7
Accessories
Coil former
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”
Material:
Squared pins.
For matching clamp and insulating washers see page 4.
Sections
1
2
A
N
mm
2
22.4
21.9
l
N
mm
36.0
36.0
A
R
value
µΩ
55.4
56.5
Pins
8
8
Ordering code
B65820W1008D001
B65820W1008D002
B65820
1±0.1
Pin 1
marking
ø14.65
_
0.25
_
0.15
0.45
+0.05
ø8.3
_
0.1
ø7.3+0.15
8.25
_
0.1
1.3
_
0.25
0.45
Hole arrangement
View in mounting direction
ø1+0.1
2.54
2x ground
ø1.3+0.1
4.8±0.3 0.75±0.05
_
0.15
0.45
+0.05
FRM0314-J-E
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
09/06
RM 7
Accessories
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
B65820
Insulating washer 1
between core and coil former
■
For tolerance compensation and for insulation
■
Made of
polyarylate film
(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),
0.25 mm thick
Makrofol
FR,
[
E118859 (M)
]
, natural color, BAYER MATERIALSCIENCE
AG
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±2 10.6+0.3 0.7±2
B65820B2001X000
B65820A5000X000
B65820D2005X000
Insulating washer 1
2.6 max.
ø6.9±0.25
15.4±0.2
Insulating washer 2
4.5±0.25
10
1.2±0.2
FRM0319-Q
0.6x0.4
FRM0321-2
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
03/11
RM 7
Accessories
Adjusting screw
■
Tube core with thread and core brake made of GFR polyterephthalate
B65659
Pocan B3235
®
[
E245249 (M)
]
, LANXESS AG
Tube core
∅ ×
length (mm) Material
2.62
×
3.6
2.75
×
4.4
a
b
N22
N22
Figure
a
b
Ordering code
Color code
red
black
B65659F0001X023
B65659F0003X023
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
09/06