Epcos B 65887 Service Manual
www.DataSheet4U.com
RM 14
■ 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 = 0,35 mm
le= 70 mm
= 200 mm
A
e
A
= 170 mm
min
Ve= 14 000 mm
–1
2
2
3
Approx. weight 74 g/set
Gapped
B65887Core
Material A
N41 160
value
L
s
µ
e
Ordering code
approx.
nH
mm
-E without center hole
± 3 % 1,90 45 B65887-E160-A41
± 3 % 1,00 70 B65887-E250-A41
250
± 3 % 0,50 111 B65887-E400-A41
400
± 5 % 0,15 278 B65887-E1000-J41
1000
251 08/01
RM 14
Ungapped
B65887Core
Material A
nH
value
L
µ
A
nH
L1min
P
V
W/set
e
N49 3900 + 30/– 20 % 1030 2150 < 2,37
(50 mT, 500 kHz, 100
N87 6000 + 30/– 20 % 1670 3250 < 7,40
(200 mT, 100 kHz, 100
1)
N97
6000 + 30/– 20 % 1670 3250 < 5,60
(200 mT, 100 kHz, 100
N41 6800 + 30/– 20 % 1890 3250 < 2,52
(200 mT, 25 kHz, 100
Ordering code
-E without center hole
B65887-E-R49
°C)
B65887-E-R87
°C)
B65887-E-R97
°C)
B65887-E-R41
°C)
1) Preliminary data
252 08/01
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