EPseries - Products of TDK

F E R R I T E S
March 2014
Mn-Zn
Ferrite Cores for Switching Power Supplies
EP series
(2/4)
F E R R I T E S
REMINDERS FOR USING THESE PRODUCTS
Please be sure to read this manual thoroughly before using the products.
The products listed on this catalog are intended for use in general electronic equipment (AV equipment, telecommunications equipment,
home appliances, amusement equipment, computer equipment, personal equipment, office equipment, measurement equipment,
industrial robots) under a normal operation and use condition.
The products are not designed or warranted to meet the requirements of the applications listed below, whose performance and/or quality
require a more stringent level of safety or reliability, or whose failure, malfunction or trouble could cause serious damage to society, person
or property.
When using the products for specific purposes, please first make confirmations in areas such as safety, reliability, and quality.
Please understand that we are not in a position to be held responsible for any damage or the like caused by any use exceeding the range
or conditions of this specification sheet or by any use in the specific applications.
(1) Aerospace/Aviation equipment
(2) Transportation equipment (electric trains, ships, etc.)
(3) Medical equipment
(4) Power-generation control equipment
(5) Atomic energy-related equipment
(6) Seabed equipment
(7) Transportation control equipment
(8) Public information-processing equipment
(9) Military equipment
(10) Electric heating apparatus, burning equipment
(11) Disaster prevention/crime prevention equipment
(12) Safety equipment
(13) Other applications that are not considered general-purpose
applications
When using this product in general-purpose standard applications, you are kindly requested to take into consideration securing protection
circuit/equipment or providing backup circuits, etc to ensure higher safety.
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F E R R I T E S
Ferrite Cores for Switching Power Supplies
Product compatible with RoHS directive
Halogen-free
Overview of the EP Series
FEATURES
TDK’s original shapes.
The EP Core, apart from the area for attaching terminals, is entirely covers the coils, a construction which reduces leakage flux.
APPLICATION
Tranformers and coils for Switched-mode power supplies (High Mounting Density, Low Profile)
PART NUMBER CONSTRUCTION
PC47
EP7
Z
Material
Size of EP core
AL-value
(Z: without air gap)
PC47
EP7
EP10
EP13
EP17
EP20
-
1
2
1
2
Type
Number of lead
slot
Without air gap
With air gap
RANGE OF USE AND STORAGE TEMPERATURE
Temperature range
Operating
temperature
(°C)
–30 to +105
Storage
temperature
(°C)
–30 to +85
RoHS Directive Compliant Product: See the following for more details related to RoHS Directive compliant products. http://www.tdk.co.jp/rohs/
Halogen-free: Indicates that Cl content is less than 900ppm, Br content is less than 900ppm, and that the total Cl and Br content is less than 1500ppm.
• All specifications are subject to change without notice.
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F E R R I T E S
Mn-Zn EP Core
B
A
øC
SHAPES AND DIMENSIONS
2H
E
2D
PC47
EP7
Z
-
Material
Size of EP core
AL-value
(Z: without air gap)
1
2
Part No.
Dimensions
(mm)
PC47EP7-Z
PC47EP10-Z
PC47EP13-Z
PC47EP17-Z
PC47EP20-Z
A
9.2±0.2
11.5±0.3
12.5±0.3
18.0±0.4
24.0±0.5
1
2
Type
Number of lead
slot
Without air gap
With air gap
B
7.4±0.2
9.4±0.2
10.0±0.3
12.0±0.4
16.5±0.4
øC
3.3±0.1
3.3±0.15
4.35±0.15
5.68±0.18
8.75±0.25
2D
7.4±0.1
10.2±0.2
12.85±0.15
16.8±0.2
21.4±0.2
Effective parameter
Core
factor
Part No.
C1(mm–1)
Effective
cross-sectional
area
Ae(mm2)
E
6.35±0.15
7.65±0.2
8.8±0.2
11.0±0.25
14.95±0.35
2H
5.2±0.2
7.4±0.2
9.2±0.2
11.3±0.3
14.3±0.3
Electrical characteristics
Effective
magnetic path
length
ℓe(mm)
Effective
core volume
Weigh
AL-value
Core loss
Ve(mm3)
(g)
(nH/N2)
1kHz
0.5mA
100Ts
Without air gap
(W) max.
100kHz
200mT
PC47EP7-Z
1.52
10.3
15.7
162
1.4
830 min.
PC47EP10-Z
1.70
11.3
19.2
217
2.8
PC47EP13-Z
1.24
19.5
24.2
472
5.1
PC47EP17-Z
0.84
33.9
28.5
966
12
1840 min.
PC47EP20-Z
0.508
78
39.8
3120
28
3200 min.
800 min.
800±25%
1170 min.
1100±25%
With air gap
63±3%
100±4%
63±3%
100±4%
100±3%
160±3%
100±5%
250±7%
100±5%
250±7%
100°C
0.058
0.071
0.155
0.306
1.027
• All specifications are subject to change without notice.
001-01 / 20140317 / ferrite_mz_sw_ep_en.fm