Ferrites and accessories
PM 50/39
Core and accessories
Series/Type: B65646, B65647
Date: 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. PM 50/39
Core B65646
PM 50/39 through PM 114/39
To IEC 61247
Particularly suitable for power transformers
and energy storage chokes
Delivery mode: sets
Magnetic characteristics (per set)
1
l/A = 0.227 mm
l = 84 mm
e
2
A = 370 mm
e
2
A = 280 mm
min
3
V = 31000 mm
e
Approx. weight 140 g/set
Gapped (A values/air gaps examples)
L
Material A value s Ordering code
L e
approx.
nH mm
N27 250 3% 2.00 45 B65646A0250A027
630 3% 0.63 114 B65646A0630A027
Ungapped
Material A value P Ordering code
L e V
nH W/set
N27 7400 +30/20% 1340 < 4.2 (200 mT, 25 kHz, 100 C) B65646A0000R027
N87 7400 +30/20% 1340 < 15.5 (200 mT, 100 kHz, 100 C) B65646A0000R087
N97 7400 +30/20% 1340 < 13.3 (200 mT, 100 kHz, 100 C) B65646A0000R097
Other A values/air gaps and materials available on request see Processing remarks on page 5.
L
Please read Cautions and warnings and
2 5/17
Important notes at the end of this document.