FERROXCUBE
DATA SHEET
ER9.5/2.5/5
Planar ER cores and accessories
Supersedes data of February 2002
2004 Sep 01
Ferroxcube
Planar ER cores and accessories
CORE SETS
Effective core parameters
SYMBOL
Σ(I/A)
V
e
I
e
A
e
A
min
m
PARAMETER
core factor (C1)
effective volume
effective length
effective area
minimum area
mass of core half
VALUE
1.67
120
14.2
8.47
7.60
≈
0.35
UNIT
mm
−1
mm
3
mm
mm
2
mm
2
g
9.5
0
−0.3
+0.25
7.5
0
+0.2
7.1
0
0
3.5
−0.2
handbook, halfpage
ER9.5/2.5/5
1.6
+0.15
0
2.45
±0.05
5
0
−0.2
CBW092
Dimensions in mm.
Fig.1 ER9.5/2.5/5 core half.
Core sets for general purpose transformers and power applications
Clamping force for A
L
measurements, 10
±5
N.
GRADE
3C92
3C93
3C94
A
L
(nH)
750
±25%
850
±25%
63
±3%
100
±5%
160
±8%
1000
±25%
3C96
3F3
900
±25%
63
±3%
100
±5%
160
±8%
850
±25%
3F35
3F4
700
±25%
40
±3%
63
±5%
100
±5%
525
±25%
3F45
525
±25%
µ
e
≈
1 000
≈
1 130
≈
84
≈
133
≈
213
≈
1 330
≈
1 200
≈
84
≈
133
≈
213
≈
1 130
≈
930
≈
53
≈
84
≈
133
≈
700
≈
700
AIR GAP
(µm)
≈
0
≈
0
≈
200
≈
120
≈
70
≈
0
≈
0
≈
200
≈
120
≈
70
≈
0
≈
0
≈
340
≈
190
≈
100
≈
0
≈
0
TYPE NUMBER
ER9.5/2.5/5-3C92-S
ER9.5/2.5/5-3C93-S
ER9.5/2.5/5-3C94-A63-S
ER9.5/2.5/5-3C94-A100-S
ER9.5/2.5/5-3C94-A160-S
ER9.5/2.5/5-3C94-S
ER9.5/2.5/5-3C96-S
ER9.5/2.5/5-3F3-A63-S
ER9.5/2.5/5-3F3-A100-S
ER9.5/2.5/5-3F3-A160-S
ER9.5/2.5/5-3F3-S
ER9.5/2.5/5-3F35-S
ER9.5/2.5/5-3F4-A40-S
ER9.5/2.5/5-3F4-A63-S
ER9.5/2.5/5-3F4-A100-S
ER9.5/2.5/5-3F4-S
ER9.5/2.5/5-3F45-S
2004 Sep 01
2
Ferroxcube
Planar ER cores and accessories
Core sets of high permeability grades
Clamping force for A
L
measurements, 10
±5
N.
GRADE
3E5
3E6
A
L
(nH)
3600 +40/−30%
4800 +40/−30%
µ
e
≈
4800
≈
6400
AIR GAP
(µm)
≈
0
≈
0
ER9.5/2.5/5
TYPE NUMBER
ER9.5/2.5/5-3E5-S
ER9.5/2.5/5-3E6-S
Properties of core sets under power conditions
B (mT) at
GRADE
H = 250 A/m;
f = 25 kHz;
T = 100
°C
≥370
≥320
≥320
≥340
≥300
≥300
≥250
f = 100 kHz;
ˆ
B = 100 mT;
T = 100
°C
≤
0.011
≤
0.011
(1)
≤
0.011
≤
0.0085
≤
0.015
−
−
CORE LOSS (W) at
f = 100 kHz;
ˆ
B = 200 mT;
T = 100
°C
≤
0.072
≤
0.072
(1)
≤
0.072
≤
0.058
−
−
−
f = 400 kHz;
ˆ
B = 50 mT;
T = 100
°C
−
−
−
≤
0.018
≤
0.025
≤
0.011
−
f = 500 kHz;
ˆ
B = 50 mT;
T = 100
°C
−
−
−
≤
0.045
−
≤
0.016
−
3C92
3C93
3C94
3C96
3F3
3F35
3F4
1.
Measured at 140
°C.
Properties of core sets under power conditions (continued)
B (mT) at
GRADE
H = 250 A/m;
f = 25 kHz;
T = 100
°C
≥370
≥320
≥320
≥340
≥300
≥300
≥250
≥250
f = 500 kHz;
ˆ
B = 100 mT;
T = 100
°C
−
−
−
−
−
≤
0.13
−
−
CORE LOSS (W) at
f = 1 MHz;
ˆ
B = 30 mT;
T = 100
°C
−
−
−
−
−
−
≤
0.036
≤
0.024
f = 1 MHz;
ˆ
B = 50 mT;
T = 100
°C
−
−
−
−
−
−
−
≤
0.06
f = 3 MHz;
ˆ
B = 10 mT;
T = 100
°C
−
−
−
−
−
−
≤
0.056
≤
0.042
3C92
3C93
3C94
3C96
3F3
3F35
3F4
3F45
2004 Sep 01
3
Ferroxcube
Planar ER cores and accessories
COIL FORMERS
General data
PARAMETER
Coil former material
Pin material
Maximum operating temperature
Resistance to soldering heat
Solderability
SPECIFICATION
ER9.5/2.5/5
liquid crystal polymer (LCP), glass reinforced, flame retardant
in accordance with
“UL 94V-0”
; UL file number E54705(M)
copper-tin alloy (CuSn), tin (Sn) plated
155
°C,
“IEC 60085”
, class F
“IEC 60068-2-20”
, Part 2, Test Tb, method 1B: 350
°C,
3.5 s
“IEC 60068-2-20”
, Part 2, Test Ta, method 1: 235
°C,
2 s
∅7.3 ±0.1
handbook, full pagewidth
±0.08
1.6
1.7
∅4.45
∅3.6
±0.08
2.95
±0.1
2.05
min.
4.4
max.
9.1
2
6
8.6 max.
0.7
8.1
11.7 max.
0.25
2
CBW093
Dimensions in mm.
Fig.2 ER9.5/2.5/5 coil former (SMD); 8-solder pads.
Winding data for ER9.5/2.5/5 coil former (SMD) with 8 solder pads
NUMBER OF
SECTIONS
1
WINDING
AREA
(mm
2
)
2.8
MINIMUM
WINDING
WIDTH
(mm)
2.05
AVERAGE
LENGTH OF
TURN
(mm)
18.4
TYPE NUMBER
CPVS-ER9.5-1S-8P-Z
2004 Sep 01
4
Ferroxcube
Planar ER cores and accessories
MOUNTING PARTS
General data and ordering information
ITEM
Clamp
REMARKS
stainless steel (CrNi); clamping force
≈
20 N
FIGURE
3
ER9.5/2.5/5
TYPE NUMBER
CLM-ER9.5
handbook, halfpage
9.8
4
5.5
CBW094
Dimensions in mm.
Fig.3 ER9.5/2.5/5 clamp.
2004 Sep 01
5
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