EPCOS B65888

RM 14
Core
B65887
■ In accordance with IEC 60431
■ Optimized core cross section and increased
thickness of base for power applications
■ Without center hole
■ RM cores are supplied in sets
Magnetic characteristics (per set)
Σl/A
le
Ae
A min
Ve
= 0,35 mm–1
= 70 mm
= 200 mm2
= 170 mm2
= 14 000 mm3
Approx. weight 74 g/set
Gapped
Material
N41
µe
Ordering code
nH
s
approx.
mm
160 ± 3 %
250 ± 3 %
400 ± 3 %
1000 ± 5 %
1,90
1,00
0,50
0,15
45
70
111
278
B65887-E160-A41
B65887-E250-A41
B65887-E400-A41
B65887-E1000-J41
AL value
-E without center hole
251 08/01
RM 14
Core
B65887
Ungapped
Material
AL value
µe
nH
A L1min P V
Ordering code
nH
W/set
-E without center hole
B65887-E-R49
N49
3900 + 30/– 20 %
1030
2150
< 2,37
(50 mT, 500 kHz, 100 °C)
N87
6000 + 30/– 20 %
1670
3250
< 7,40
B65887-E-R87
(200 mT, 100 kHz, 100 °C)
N97 1)
6000 + 30/– 20 %
1670
3250
B65887-E-R97
< 5,60
(200 mT, 100 kHz, 100 °C)
N41
6800 + 30/– 20 %
1890
3250
< 2,52
(200 mT, 25 kHz, 100 °C)
1) Preliminary data
252 08/01
B65887-E-R41
RM 14
Accessories
B65888
Coil former
Material:
GFR thermosetting plastic (UL 94 V-0, insulation class to IEC 60085:
F max. operating temperature 155 °C), color code green
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
Squared pins
For matching clamp and insulating washers see page 255
Sections
AN
mm2
lN
mm
A R value
µΩ
Pins
Ordering code
1
107
71,5
23
10
B65888-C1010-D1
12
B65888-C1012-D1
10 pins
12 pins
11
11
12
1
2
10
3
3
9
15
ø16,8 _ 0,2
1
2
9
6 4
5
1,5 _ 0,1
6,3±0,3
ø28,8 _ 0,3
ø1,3+0,1
0,6
2,54
1±0,05
8
7
,3
0
,2+
6 4
20,5 _ 0,3
0,8±0,05
7
12
10
3
Erdungspunkte
ø1,6+0,1
Ground
Ø 1,6+0,1
Hole arrangement
View in mounting direction
253 08/01
FRM0273-D
RM 14
Accessories
B65888
Coil former for power applications
Material:
GFR polyterephthalate (UL 94 V-0, insulation class to IEC 60085:
F max. operating temperature 155 °C), color code black
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
For matching clamp and insulating washer 1 see page 255
Sections
AN
mm2
lN
mm
A R value
µΩ
Pins
Ordering code
1
106
71,5
23
12
B65888-C1512-T1
Marking of pin 1
Ground Ø 1,6+0,1
Hole arrangement
View in mounting direction
(Note half pitch!)
254 08/01
RM 14
Accessories
B65888
Clamp
■ With ground terminal, made of stainless spring steel (tinned), 0,5 mm thick
■ Solderability to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 °C, 2 s
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), 0,15 mm thick
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
Clamp (ordering code per piece, 2 are required)
B65888-A2002
Ordering code
Insulating washer 1 (reel packing, PU = 1 reel)
B65888-B5000
Insulating washer 2 (bulk)
B65888-B2005
Clamp
23
ø30±0,2
Insulating
washer 2
ø14,5±0,2
Insulating washer 1
2,2±0,2
FRM0143-K
255 08/01
Herausgegeben von EPCOS AG
Marketing Kommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND
 EPCOS AG 2000. Alle Rechte vorbehalten. Vervielfältigung, Veröffentlichung, Verbreitung und
Verwertung dieser Broschüre und ihres Inhalts ohne ausdrückliche Genehmigung der EPCOS AG
nicht gestattet.
Mit den Angaben in dieser Broschüre werden die Bauelemente spezifiziert, keine Eigenschaften
zugesichert. Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen
für Erzeugnisse und Leistungen der Elektroindustrie, soweit nichts anderes vereinbart wird.
Diese Broschüre ersetzt die vorige Ausgabe.
Fragen über Technik, Preise und Liefermöglichkeiten richten Sie bitte an den Ihnen nächstgelegenen Vertrieb der EPCOS AG oder an unsere Vertriebsgesellschaften im Ausland.
Bauelemente können aufgrund technischer Erfordernisse Gefahrstoffe enthalten. Auskünfte
darüber bitten wir unter Angabe des betreffenden Typs ebenfalls über die zuständige Vertriebsgesellschaft einzuholen.
Published by EPCOS AG
Marketing Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY
 EPCOS AG 2000. All Rights Reserved. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited.
The information contained in this brochure describes the type of component and shall not be considered as guaranteed characteristics. Purchase orders are subject to the General Conditions for
the Supply of Products and Services of the Electrical and Electronics Industry recommended by the
ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or
the international Representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our Sales Offices.
1