Ferrites and accessories
RM 14, RM 14 LP
Cores and accessories
Series/Type:
Date:
B65887, B65888
May 2017
EPCOS AG 2017. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS’ prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
RM 14
Core and accessories
Individual parts
Core
Part no.
B65887
Page
3
Clamps
B65888
6
Coil former
B65888
4
Core
B65887
3
Insulating washer
B65888
6
Example of an assembly set
Also available:
Coil former for
power applications
RM 14 low-profile:
Core
B65888
5
B65887P
7
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
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RM 14
Core
■
To IEC 62317-4
■
Optimized core cross section and increased
B65887
thickness of base for power applications
■
Without center hole
■
Delivery mode: sets
Magnetic characteristics
(per set)
Σl/A
l
e
A
e
A
min
V
e
= 0.35 mm
–1
= 70 mm
= 200 mm
2
= 170 mm
2
= 14000 mm
3
Approx. weight
74 g/set
Gapped
(A
L
values/air gaps examples)
Material
A
L
value
nH
N41
160
±3%
250
±3%
400
±3%
1000
±5%
s
approx.
mm
1.90
1.00
0.50
0.15
μ
e
Ordering code
-E without center hole
45
70
111
279
B65887E0160A041
B65887E0250A041
B65887E0400A041
B65887E1000J041
Ungapped
Material
A
L
value
nH
N49
N87
N97
N41
3900 +30/–20%
6000 +30/–20%
6000 +30/–20%
6800 +30/–20%
1090
1670
1670
1890
μ
e
P
V
W/set
< 2.37 ( 50 mT, 500 kHz, 100
°C)
< 7.40 (200 mT, 100 kHz, 100
°C)
< 5.60 (200 mT, 100 kHz, 100
°C)
< 2.52 (200 mT, 25 kHz, 100
°C)
Ordering code
-E without center
hole
B65887E0000R049
B65887E0000R087
B65887E0000R097
B65887E0000R041
Other A
L
values/air gaps and materials available on request ─ see Processing remarks on page 8.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
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RM 14
Accessories
Coil former
GFR thermosetting plastic (UL 94 V-0, insulation class to IEC 60085:
F 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 Processing notes, 2.1
Pins:
Squared pins
For matching clamp and insulating washer see page 6.
Sections
1
A
N
mm
2
107
l
N
mm
71.5
A
R
value
μΩ
23
Pins
10
12
Ordering code
B65888N1010D001
B65888N1012D001
Material:
B65888
10 pins
12 pins
Hole arrangement
View in mounting direction
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
5/17
RM 14
Accessories
Coil former for power applications
GFR polyterephthalate (UL 94 V-0, insulation class to IEC 60085:
F max. operating temperature 155
°C),
color code black
Valox 420-SE0 [E45329 (M)] SABIC INNOVATIVE PLASTICS B V
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, 2.1
For matching clamp and insulating washer see page 6.
Sections
1
A
N
mm
2
106
l
N
mm
71.5
A
R
value
μΩ
23
Marking of pin 1
B65888
Material:
Pins
12
Ordering code
B65888C1512T001
Ground Ø 1.6+0.1
Hole arrangement
View in mounting direction
(Note half pitch!)
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
5/17
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