FERROXCUBE EP17-3C81-A250

FERROXCUBE
DATA SHEET
EP17
EP cores and accessories
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
EP cores and accessories
EP17
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
VALUE
UNIT
Σ(I/A)
core factor (C1)
0.870
mm−1
Ve
effective volume
999
mm3
Ie
effective length
29.5
mm
Ae
effective area
33.7
mm2
Amin
minimum area
25.5
mm2
m
mass of set
≈ 12
g
5.7 ± 0.18
handbook, halfpage
11
± 0.25 3.3
± 0.2
;;;
;;;
;;;
12 ± 0.4
16.8
± 0.2
11.4
± 0.3
MBG176
18 ± 0.4
Dimensions in mm.
Fig.1 EP17 core set.
Core sets for general purpose transformers and power applications
Clamping force for AL measurements, 40 ±10 N.
GRADE
3C81
AL
(nH)
63 ±3%
3C94
3C96
2008 Sep 01
TOTAL AIR GAP
(µm)
≈ 44
≈ 1020
TYPE NUMBER
EP17-3C81-E63
100 ±3%
≈ 70
≈ 560
EP17-3C81-A100
160 ±3%
≈ 111
≈ 310
EP17-3C81-A160
250 ±3%
≈ 174
≈ 180
EP17-3C81-A250
EP17-3C81-A315
315 ±5%
3C91
µe
≈ 219
≈ 135
2670 ±25%
≈ 1860
≈0
EP17-3C81
2670 ±25%
≈ 1860
≈0
EP17-3C91
63 ±3%
≈ 44
≈ 1020
EP17-3C94-E63
100 ±3%
≈ 70
≈ 560
EP17-3C94-A100
160 ±3%
≈ 111
≈ 310
EP17-3C94-A160
250 ±3%
≈ 174
≈ 180
EP17-3C94-A250
315 ±5%
≈ 219
≈ 135
EP17-3C94-A315
2500 ±25%
≈ 1740
≈0
EP17-3C94
2200 ±25%
≈ 1530
≈0
EP17-3C96
706
Ferroxcube
EP cores and accessories
µe
AL
(nH)
GRADE
3F3
EP17
63 ±3%
TOTAL AIR GAP
(µm)
≈ 44
TYPE NUMBER
≈ 1020
EP17-3F3-E63
100 ±3%
≈ 70
≈ 560
EP17-3F3-A100
160 ±3%
≈ 111
≈ 310
EP17-3F3-A160
250 ±3%
≈ 174
≈ 180
EP17-3F3-A250
≈ 219
≈ 135
EP17-3F3-A315
≈ 1530
≈0
315 ±5%
2200 ±25%
EP17-3F3
Core sets of high permeability grades
Clamping force for AL measurements, 40 ±10 N.
AL
(nH)
µe
AIR GAP
(µm)
7100 ± 25%
≈ 4950
≈0
GRADE
3E27
TYPE NUMBER
EP17-3E27
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;
ˆ = 200 mT;
B
T = 100 °C
f = 100 kHz;
ˆ = 100 mT;
B
T = 100 °C
f = 100 kHz;
ˆ = 200 mT;
B
f = 400 kHz;
ˆ = 50 mT;
B
3C81
≥315
≤ 0.23
−
−
−
3C91
≥315
−
3C94
≥320
−
≤ 0.08
≤ 0.45
−
3C96
≥340
−
≤ 0.06
≤ 0.36
≤ 0.15
3F3
≥315
−
≤ 0.15
−
≤ 0.2
GRADE
≤
0.06(1)
T = 100 °C
≤
0.36 (1)
T = 100 °C
−
Properties of core sets under power conditions (continued)
B (mT) at
CORE LOSS (W) at
H = 250 A/m;
f = 25 kHz;
T = 100 °C
f = 500 kHz;
ˆ = 50 mT;
B
f = 500 kHz;
ˆ = 100 mT;
B
T = 100 °C
f = 1 MHz;
ˆ = 30 mT;
B
T = 100 °C
f = 3 MHz;
ˆ = 10 mT;
B
T = 100 °C
3C81
≥315
−
−
−
−
3C91
≥315
−
−
−
−
3C94
≥320
−
−
−
−
3C96
≥340
≤ 0.3
−
−
−
3F3
≥315
−
−
−
−
GRADE
T = 100 °C
Note
1. Measured at 60 °C.
2008 Sep 01
707
Ferroxcube
EP cores and accessories
EP17
COIL FORMER
General data
PARAMETER
SPECIFICATION
Coil former material
phenolformaldehyde (PF), glass-reinforced, flame retardant in accordance with
“UL 94V-0” ; UL file number E41429 (M)
Pin material
copper clad steel, tin (Sn) plated
Maximum operating temperature
180 °C, “IEC 60085”, class H
Resistance to soldering heat
“IEC 60068-2-20” , Part 2, Test Tb, method 1B: 350 °C, 3.5 s
Solderability
“IEC 60068-2-20” , Part 2, Test Ta, method 1: 235 °C, 2 s
11.4 max.
+0.15
1 0
10.9 ±0.1
6 +0.15
0
0.65
9.4 min.
0.65
0
∅7.2 −0.2
handbook, full pagewidth
3.5
3
15
4.5
1.5
4.7
0.5
5
CBW506
0.6
19.2 max.
19.2 max.
Dimensions in mm.
Fig.2 EP17 coil former: 8-pins.
Winding data and area product for 8-pins EP17 coil former
NUMBER OF
SECTIONS
MINIMUM
WINDING
AREA
(mm2)
NOMINAL
WINDING
WIDTH
(mm)
AVERAGE
LENGTH OF
TURN
(mm)
AREA
PRODUCT
Ae x Aw
(mm4)
TYPE NUMBER
1
18.0
9.45
28.9
607
CSH-EP17-1S-8P
2
2 × 8.3
2 × 4.6
28.9
2 x 280
CSH-EP17-2S-8P
2008 Sep 01
708
Ferroxcube
EP cores and accessories
EP17
MOUNTING PARTS
General data
ITEM
REMARKS
FIGURE
TYPE NUMBER
Clasp
copper-tin alloy (CuSn), tin (Sn) plated
3
CLA-EP17
Spring
copper-tin alloy (CuSn), tin (Sn) plated
4
SPR-EP17
19.6
handbook, halfpage
handbook, halfpage
5
4.4
19.2
9
0.4 TYP
5
15.6
16.8
1
18.4
9
CBW621
CBW620
Dimensions in mm.
Dimensions in mm.
Fig.3 Mounting clasp CLA-EP17.
2008 Sep 01
Fig.4 Mounting spring SPR-EP17.
709
Ferroxcube
EP cores and accessories
EP17
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.
2008 Sep 01
710