Ferrites and accessories
Toroids (ring cores)
R 50.0 u 30.0 u 20.0
Series/Type: B64290A0082, B64290L0082
Date: August 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. R 50.0 u 30.0 u 20.0 B64290A0082, B64290L0082
Uncoated / epoxy coating R 50.0 u 30.0 u 20.0 (mm)
R 1.969 u 1.181 u 0.787 (inch)
Dimensions
d (mm) d (mm) Height (mm) d (inch) d (inch) Height (inch)
a i a i
1)
50.0 r 1.0 30.0 r 0.7 20.0 r 0.5 1.969 r 0.039 1.181 r 0.028 0.787 r 0.020 uncoated
51.8 max. 28.5 min. 21.3 max. 2.039 max. 1.122 min. 0.839 max. coated
Characteristics and ordering codes
Mate- A value P Ordering code Magnetic characteristics Approx.
L i
rial (approx.) weight
6 l/A l A V
e e e
1 2 3
nH mm mm mm mm g
K10 1400 r 25% 700 B64290A0082X010 0.62 120.4 195.7 23560 120
N87 4460 r 25% 2200 B64290L0082X087
N30 8700 r 25% 4300 B64290L0082X830
T65 10000 r 30% 4900 B64290L0082X065
T37 12000 r 25% 6000 B64290L0082X037
T38 17400 r 30% 8500 B64290L0082X038
N87: P (200 mT, 100 kHz, 100 C) < 14.2 W/core
V
K10: Z (0.25 mT, 25 MHz, 25 C, 1 turn): 75 typ.
(0.25 mT, 100 MHz, 25 C, 1 turn): 115 typ.
The capacitive effect of turns is not evaluated. Minimum impedance is |Z|typ -15%.
1) On request.
Please read Cautions and warnings and
2 8/17
Important notes at the end of this document.