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 4, RM 4 LP
Cores and accessories
Series/Type:
B65803, B65804, B65806, B65539
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
with
center hole
without
center hole
l/A
l
e
A
e
A
min
V
e
1.9
21
11
231
1.7
22
13
11.3
286
mm
1
mm
mm
2
mm
2
mm
3
m
1.45
1.65
g
Material
A
L
value
nH
s
approx.
mm
e
Ordering code
1)
-A with center hole
-N with threaded sleeve
K1
16
3%
1.0
24.2
B65803+0016A001
25
3%
0.40
37.8
B65803+0025A001
M33
40
3%
0.36
60.4
B65803+0040A033
63
3%
0.18
96
B65803+0063A033
N48
63
3%
0.16
96
B65803+0063A048
100
3%
0.10
152
B65803+0100A048
160
3%
0.06
243
B65803+0160A048
1) Replace the + by the code letter "A" or "N" for the required version.
B65803
Core
RM 4
3
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
Ungapped
Material
A
L
value
nH
e
P
V
W/set
Ordering code
-J without center hole
N45
1700 +30/20%
2290
B65803J0000R045
N30
1900 +30/20%
2560
B65803J0000R030
T35
2800 +40/30%
3770
B65803J0000Y035
T38
3700 +40/30%
4980
B65803J0000Y038
N49
750 +30/20%
1010
< 0.04 ( 50 mT, 500 kHz, 100
C) B65803J0000R049
N87
1100 +30/20%
1480
< 0.20 (200 mT, 100 kHz, 100
C) B65803J0000R087
N97
1100 +30/20%
1480
< 0.15 (200 mT, 100 kHz, 100
C) B65803J0000R097
B65803
Core
RM 4
4
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 blue
Bakelite UP 3420
[E61040 (M)], HEXION SPECIALTY CHEMICALS GMBH
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"
Pins squared in the start-of-winding area.
For matching clamp and insulating washers see page 5.
Sections
A
N
mm
2
l
N
mm
A
R
value
Pins
Ordering code
1
7.7
20
89
5
B65804K1005D001
6
B65804K1006D001
FRM0305-K-E
4+0.15
0.6+0.1
1
2
3
5
6
6
5
4
3
2
1
0.450.05
0.650.05
4.40.3
0.52
2.54
Ground 1.3+0.1
1+0.1
Hole arrangement
View in mounting direction
0.45 max.
7.63
_
0.1
6.88
0.1
_
0.1
4.9
_
0.2
7.9
_
5 pins
6 pins
50
10
_
B65804
Accessories
RM 4
5
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
Clamp
With ground terminal, made of stainless spring steel (tinned), 0.335 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 on request
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
Clamping forces for RM 4
Ordering code
Clamp (ordering code per piece, 2 are required)
B65806A2203X000
Insulating washer 1 (reel packing, PU = 1 reel)
B65804A5000X000
Insulating washer 2 (bulk)
B65804C2005X000
FRM0012-J
9,3+0,2
8,3+0,15
0,55
0,15
_
0,15
0,55
_
4,5
+0,1
_
0,3
0,7
2,4 max.
FRM0306-T
9.95
0.2
_
0.2
9.95
_
(preliminary data)
FRM0157-Q
Z
max
X
a
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)
8.3 +0.15
Core nose Z
max
(mm)
0.15
Height of core pair X (mm) X
min
X
max
8.75
9.25
Clamping force F (N)
F
min
F
max
5
40
B65804, B65806
Accessories
RM 4
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