B65839A0063A057

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.
Ferrites and accessories
EP 7
Core and accessories
Series/Type: B65839, B65840
Date: May 2017
2 5/17
Please read Cautions and warnings and
Important notes at the end of this document.
To IEC 62317-5
For transformers featuring high inductance
and low overall height
For power applications
Delivery mode: sets
Magnetic characteristics (per set)
Σl/A= 1.52 mm
–1
l
e
= 15.7 mm
A
e
= 10.3 mm
2
A
min
= 8.5 mm
2
V
e
= 162 mm
3
Approx. weight 1.4 g/set
Gapped (A
L
values/air gaps examples)
Material A
L
value
nH
s
approx.
mm
μ
e
Ordering code
T38 63 ±3% 0.20 76 B65839A0063A038
100 ±3% 0.13 121 B65839A0100A038
160 ±5% 0.08 194 B65839A0160J038
200 ±6% 0.06 243 B65839A0200C038
250 ±7% 0.05 303 B65839A0250E038
T57 63 ±3% 0.20 76 B65839A0063A057
100 ±3% 0.13 121 B65839A0100A057
160 ±5% 0.08 194 B65839A0160J057
200 ±6% 0.06 243 B65839A0200C057
250 ±7% 0.05 303 B65839A0250E057
N45 63 ±3% 0.20 76 B65839A0063A045
100 ±3% 0.13 121 B65839A0100A045
160 ±5% 0.08 194 B65839A0160J045
200 ±6% 0.06 243 B65839A0200C045
250 ±7% 0.05 303 B65839A0250E045
N87 63 ±3% 0.20 76 B65839A0063A087
100 ±3% 0.12 121 B65839A0100A087
160 ±5% 0.07 194 B65839A0160J087
200 ±6% 0.06 243 B65839A0200C087
250 ±7% 0.05 303 B65839A0250E087
B65839Core
EP 7
3 5/17
Please read Cautions and warnings and
Important notes at the end of this document.
Ungapped
Other A
L
values/air gaps and materials available on request – see Processing remarks on page 7.
Material A
L
value
nH
μ
e
P
V
W/set
Ordering code
N45 1500 +30/–20% 1820 B65839A0000R045
N30 2000 +30/–20% 2430 B65839A0000R030
T57 1500 +30/–20% 1820 B65839A0000R057
T65 3000 +30/–20% 3640 B65839A0000R065
T38 5200 +40/–30% 6310 B65839A0000Y038
T66 5800 +40/–30% 7040 B65839A0000Y066
N87 1100 +30/–20% 1330 < 0.08 (200 mT, 100 kHz, 100 °C) B65839A0000R087
B65839Core
EP 7

B65839A0063A057

Mfr. #:
Manufacturer:
EPCOS / TDK
Description:
Ferrite Cores & Accessories EP 7 T57 63 + 3%- 3%
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union