ETC2 EC70-3C90 Ec cores and accessory Datasheet

FERROXCUBE
DATA SHEET
EC70
EC cores and accessories
Supersedes data of February 2002
2004 Sep 01
Ferroxcube
EC cores and accessories
EC70
CORE SETS
Effective core parameters
SYMBOL
handbook, halfpage
PARAMETER
VALUE
22.75
0.45
UNIT
34.5
0.15
Σ(I/A)
core factor (C1)
0.514
mm−1
Ve
effective volume
40100
mm3
Ie
effective length
144
mm
Ae
effective area
279
mm2
71.7 max
Amin
minimum area
211
mm2
m
mass of core half
≈ 127
g
44.5 1.2
16.4 0.4
16.4
0.4
MGC407
Dimensions in mm.
Fig.1 EC70 core half.
Core halves
AL measured in combination with an non-gapped core half, unless stated otherwise.
GRADE
3C81
3C90
AL
(nH)
AIR GAP
(µm)
µe
TYPE NUMBER
250 ± 3%(1)
≈ 102
≈ 1830
EC70-3C81-E250
315 ±
3%(1)
≈ 130
≈ 1370
EC70-3C81-E315
400 ± 3%(1)
≈ 165
≈ 1020
EC70-3C81-E400
630 ± 5%
≈ 256
≈ 580
EC70-3C81-A630
1000 ± 10%
≈ 406
≈ 320
EC70-3C81-A1000
≥ 4000
≥ 1620
≈0
250 ±
3%(1)
≈ 102
≈ 1830
EC70-3C90-E250
315 ±
3%(1)
≈ 130
≈ 1370
EC70-3C90-E315
400 ± 3%(1)
≈ 165
≈ 1020
EC70-3C90-E400
630 ± 5%
≈ 256
≈ 580
EC70-3C90-A630
1000 ± 10%
≈ 406
≈ 320
EC70-3C90-A1000
3900 ± 25%
≈ 1580
≈0
EC70-3C81
EC70-3C90
Note
1. Measured in combination with an equal gapped core half (symmetrical air gap).
Properties of core sets under power conditions
B (mT) at
CORE LOSS (W) at
H = 250 A/m;
f = 25 kHz;
T = 100 °C
f = 25 kHz;
B̂ = 200 mT;
T = 100 °C
f = 100 kHz;
B̂ = 100 mT;
T = 100 °C
3C81
≥330
≤ 8.2
−
3C90
≥330
≤ 4.9
≤ 5.1
GRADE
2004 Sep 01
2
Ferroxcube
EC cores and accessories
EC70
COIL FORMERS
General data 8-slots EC70 coil former for insertable pins
PARAMETER
SPECIFICATION
Coil former material
polyamide (PA6.6), glass-reinforced, flame retardant
in accordance with “UL 94V-0” ; UL file number E44716(M)
Maximum operating temperature
130 °C, “IEC 60085”, class B
50.8 ±0.64
51.4 ±0.25
41.45 ±0.25
17.15
3.81
6
19.5 ±0.13
42.45
±0.25
17.15
±0.15
4.5
56.5
±0.25
10.16
30.48
50.8
44.15 ±0.64
MFW050
56.5 ±0.25
Dimensions in mm.
Fig.2 EC70 coil former; 8-slots.
Winding data 8-slots EC70 coil former for insertable pins; see note 1
NUMBER OF
SECTIONS
MINIMUM
WINDING
AREA
(mm2)
NOMINAL
WINDING
WIDTH
(mm)
AVERAGE
LENGTH OF
TURN
(mm)
1
465
41.5
97.3
Note
1. Coil formers with inserted pins are available on request.
2004 Sep 01
3
TYPE NUMBER
CP-EC70-1S
Ferroxcube
EC cores and accessories
EC70
MOUNTING PARTS
General data and ordering information
ITEM
REMARKS
Insertable pins
Clamp
MOUNT
FIGURE
solderability: “IEC 68-2-20”, Part 2,
general
Test Ta, method 1
horizontal
material: copper-zinc alloy (CuZn),
vertical
tin-lead alloy (SnPb) plated, transition
to lead-free (Sn) ongoing.
copper-zinc alloy (CuZn)
Base plate 4 holes aluminium
handbook, halfpage
15.8
handbook, halfpage
1.6 2.35
3.15
TYPE NUMBER
3
PIN-EC
4
PIN/H-EC
5
PIN/V-EC70
6
CLM/U-EC70
7
BPL4-EC70
15.75
3.1 1.5
1.5 2.35
0.25
0.6
0.5
MGB545
MGB546
Dimensions in mm.
Dimensions in mm.
Fig.3 EC pin; general mount.
Fig.4 EC pin; horizontal mount.
handbook, halfpage
handbook, halfpage
22.9
12.7
2.85
Ø 2.9
1.6 3.1
78.7
0.5
MGB549
12.7
min
6-32 NC 2A
THD 2 PLACES
65.4
Dimensions in mm.
Dimensions in mm.
Fig.5 EC70 pin; vertical mount.
2004 Sep 01
Fig.6 EC70 clamp.
4
MGB539
Ferroxcube
EC cores and accessories
handbook, halfpage
EC70
95.3
82.6
64.7
15.9
3.7
3.7
7.5
1
MGB544
Dimensions in mm.
Fig.7 EC70 base plate; 4-holes.
2004 Sep 01
5
Ferroxcube
EC cores and accessories
EC70
DATA SHEET STATUS DEFINITIONS
DATA SHEET
STATUS
PRODUCT
STATUS
DEFINITIONS
Preliminary
specification
Development
This data sheet contains preliminary data. Ferroxcube reserves the right to
make changes at any time without notice in order to improve design and
supply the best possible product.
Product specification
Production
This data sheet contains final specifications. Ferroxcube reserves the right
to make changes at any time without notice in order to improve design and
supply the best possible product.
DISCLAIMER
Life support applications  These products are not designed for use in life support appliances, devices, or systems
where malfunction of these products can reasonably be expected to result in personal injury. Ferroxcube customers
using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Ferroxcube
for any damages resulting from such application.
PRODUCT STATUS DEFINITIONS
STATUS
INDICATION
DEFINITION
Prototype
These are products that have been made as development samples for the purposes of
technical evaluation only. The data for these types is provisional and is subject to
change.
Design-in
These products are recommended for new designs.
Preferred
These products are recommended for use in current designs and are available via our
sales channels.
Support
These products are not recommended for new designs and may not be available
through all of our sales channels. Customers are advised to check for availability.
2004 Sep 01
6
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