Ferrites and accessories
RM 12, RM 12 LP
Core and accessories
Series/Type:
Date:
B65815, B65816
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 12
Core and accessories
Individual parts
Core
Part no.
B65815
Page
3
Clamps
B65816
6
Coil former
B65816
4
Core
B65815
3
Example of an assembly set
Also available:
Coil former for
power applications
RM 12 low-profile:
Core
B65816
5
B65815P
7
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
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RM 12
Core
■
Optimized core cross section and increased
B65815
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
= 0.39 mm
–1
= 57 mm
= 146 mm
2
= 125 mm
2
= 8320 mm
3
Approx. weight
45 g/set
Gapped
(A
L
values/air gaps examples)
Material
A
L
value
nH
N41
160
±3%
250
±3%
400
±5%
1000
±5%
s
approx.
mm
1.30
0.70
0.35
0.12
μ
e
Ordering code
-E without center hole
50
78
124
311
B65815E0160A041
B65815E0250A041
B65815E0400J041
B65815E1000J041
Ungapped
Material
A
L
value
nH
N30
N49
N87
N97
N41
8700 +30/–20%
3700 +30/–20%
5300 +30/–20%
5300 +30/–20%
6000 +30/–20%
2700
1150
1640
1640
1860
μ
e
P
V
W/set
Ordering code
-E without center hole
B65815E0000R030
< 1.41 ( 50 mT, 500 kHz, 100
°C)
B65815E0000R049
< 4.50 (200 mT, 100 kHz, 100
°C)
B65815E0000R087
< 3.60 (200 mT, 100 kHz, 100
°C)
B65815E0000R097
< 1.50 (200 mT, 25 kHz, 100
°C)
B65815E0000R041
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 12
Accessories
Coil former
GFR thermosetting plastic (UL 94 V-0, insulation class to IEC 60085:
F max. operating temperature 155
°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 see page 6.
Sections
1
A
N
mm
2
73
l
N
mm
61
A
R
value
μΩ
28.7
Pins
12
11
Ordering code
B65816N1012D001
B65816N1011D001
Material:
B65816
12 pins
pin 9 omitted in the 11-pin version
Ground Ø 1.3
+0.1
Hole arrangement
View in mounting direction
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
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RM 12
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 see page 6.
Sections
1
A
N
mm
2
72
l
N
mm
61
A
R
value
μΩ
28.7
Pins
12
Ordering code
B65816C1512T001
Material:
B65816
Marking of pin 1
Ground Ø 1.3+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
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