RM Cores
Series/Type:
RM 5
The following products presented in this data sheet are being withdrawn.
Ordering Code
B65805C0000R026
B65805J0000Y042
B65806K1004D002
B65539C1003X101
B65806A50000000
B65806A3002X022
B65539C1002X101
Substitute Product
B65805C0000R048
B65805J0000Y066
B65806K1006D002
B65539C1003X001
B65806C3001X022
B65539C1003X001
Date of
Withdrawal
2002-08-02
2002-08-02
2003-08-08
2004-01-23
2004-10-18
2003-08-08
2003-08-08
Deadline Last
Orders
2002-12-31
2002-12-31
2004-02-29
2005-03-31
2004-02-29
2004-02-29
Last Shipments
2003-03-31
2003-03-31
2004-08-31
2005-09-30
2004-08-31
2004-08-31
For further information please contact your nearest EPCOS sales office, which will also support
you in selecting a suitable substitute. The addresses of our worldwide sales network are
presented at www.epcos.com/sales.
RM 5
Core
I
In accordance with IEC 60431
I
Core without center hole
B65805
for transformer applications
I
RM cores are supplied in sets
Magnetic characteristics
(per set)
with
center hole
without
center hole
0,93
22,1
23,8
18
526
mm
–1
mm
mm
2
mm
2
mm
3
Σ
l/A
l
e
A
e
A
min
V
e
1,0
20,8
20,8
—
430
Approx. weight
(per set)
m
2,9
3,0
g
Gapped
Material
A
L
value
nH
K1
M33
N48
25
±
3 %
40
±
3 %
63
±
3 %
100
±
3 %
160
±
3 %
250
±
3 %
315
±
3 %
s
approx.
mm
1,0
0,40
0,4
0,2
0,12
0,06
0,03
µ
e
Ordering code
1)
-C with center hole
-N with threaded sleeve
B65805-+25-A1
B65805-+40-A1
B65805-+63-A33
B65805-+100-A33
B65805-+160-A48
B65805-+250-A48
B65805-+315-A48
19,9
31,8
50,2
79,6
128
200
255
1) Replace the + by the code letter “C” or “N” for the required version.
194
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RM 5
Core
Ungapped
Material
A
L
value
nH
N26
T57
1)
N30
T38
T42
N49
N87
N97
1)
N41
1800 + 30/– 20 % 1430
2600 + 30/– 20 % 1920
3500 + 30/– 20 % 2590
6700 + 40/– 30 % 4960
9600 + 40/– 30 % 7090
1300 + 30/– 20 %
960
810
1200
1200
1200
< 0,06
(50 mT, 500 kHz, 100
°
C)
B65805
µ
e
A
L1min
P
V
nH
W/set
Ordering code
-C with center hole
-J w/o center hole
B65805-C-R26
B65805-J-R57
B65805-J-R30
B65805-J-Y38
B65805-J-Y42
B65805-J-R49
2000 + 30/– 20 % 1470
2000 + 30/– 20 % 1470
2600 + 30/– 20 % 1920
B65805-J-R87
< 0,32
(200 mT, 100 kHz, 100
°
C)
< 0,24
B65805-J-R97
(200 mT, 100 kHz, 100
°
C)
B65805-J-R41
< 0,10
(200 mT, 100 kHz, 100
°
C)
1) Preliminary data
195
08/01
RM 5
Accessories
Coil former
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
Pins squared in the start-of-winding area
For matching clamps and insulating washers see page 197
Sections
1
A
N
mm
2
9,5
l
N
mm
25
A
R
value
µΩ
90
Pins
4
5
6
8
4
5
6
Ordering code
B65806-K1004-D1
B65806-K1005-D1
B65806-K1006-D1
B65806-K1008-D1
B65806-K1004-D2
B65806-K1005-D2
B65806-K1006-D2
B65806
2
8,7
25
94
4 pins
4 Sti te
5 and 6 pins
5 und 6 Sti te
0,7+
0
6
8 pins
,05
8 Sti te
0,7+
0,05
,15
5+
0
6
2
1
2
5
0,52±0,05
5
*)
3
ø5,95
_
0,1
0,45 max.
4
3
ø10,1
_
0,1
6,95
_
0,1
6,1
_
0,1
*)
)
Pin
Ausführung mit
* Bei
4 is omitted
in
Stiften entfällt Stift 4
5
5-pin version.
0,49±0,05
6,15
_
0,1
0,75±0,05
6,9
_
0,1
ø0,52 max.
*)
2,54
5±0,3
Hole
Lochgruppen
arrangement
Ansicht in
View in mounting
Montagerichtung
direction
ø1+0,1
Erdungspunkte ø1,3+0,1
Ground Ø 1,3+0,1
FRM0278-J
60
_
10
FRM0278-J
196
08/01
RM 5
Accessories
Clamp
I
With ground terminal, made of stainless spring steel (tinned), 0,335 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
B65806
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), 0,06 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)
B65806-A2203
B65806-A5000
B65806-D2005
Clamp
0,55
_
0,15
Insulating washer 1
2,4 max.
Insulating washer 2
8,3+0,15
0,55
_
0,15
_
0,3
4,5
+0,1
9,3+0,2
0,7
FRM0012-J
Clamping forces for RM 5
F
min
: Extension of clamp from
a
to
a
2
=
X
min
F
max
: Extension of clamp from
a
to
a
1
=
X
max
Clamp opening
a
(mm)
Core nose
Z
max
(mm)
Height of core pair
X
(mm)
X
min
X
max
Clamping force
F
(N)
F
min
F
max
8,3 + 0,15
0,15
8,75
9,25
5
40
197
08/01
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