DATA SH EET
Supersedes data of Februar y 2002 2004 Sep 01
FERROXCUBE
ER11/2.5/6
Planar ER cores and accessories
2004 Sep 01 2
Ferroxcube
Planar ER cores and accessories ER11/2.5/6
CORE SETS
Effective core paramet ers
SYMBOL PARAMETER VALUE UNIT
Σ(I/A) core factor (C1) 1.23 mm−1
Veeffe ctive volume 174 m m3
Ieeffective length 14.7 mm
Aeeffective area 11.9 mm2
Amin minimum area 10.3 mm2
m mass of core half ≈ 0.5 g
Fig.1 ER11/2.5/6 cor e half.
Dimensions in mm.
handbook, halfpage
CBW095
2.45
±0.05
1.5 +0.15
0
8 +0.2
0
8.7 +0.3
0
11 0
−0.35
4.25 0
−0.25
6 0
−0.2
Core sets for general purpose transformers and power applications
Clamping force for AL measurements, 15 ±5N.
GRADE AL
(nH) µeAIR GAP
(µm) TYPE NUM BER
3C92 1050 ±25% ≈ 1030 ≈ 0 ER11/2.5/6-3C92-S
3C93 1200 ±25% ≈ 1170 ≈ 0 ER11/2.5/6-3C93-S
3C94 100 ±3% ≈ 98 ≈ 170 ER11/2.5/6-3C94-A100-S
160 ±5% ≈ 157 ≈ 100 ER11/2.5/6-3C94-A160-S
250 ±8% ≈ 246 ≈ 60 ER11/2.5/6-3C94-A250-S
1400 ±25% ≈ 1370 ≈ 0 ER11/2.5/6-3C94-S
3C96 1250 ±25% ≈ 1220 ≈ 0 ER11/2.5/6-3C96-S
3F3 100 ±3% ≈ 98 ≈ 170 ER11/2.5/6-3F3-A100-S
160 ±5% ≈ 157 ≈ 100 ER11/2.5/6-3F3-A160-S
250 ±8% ≈ 246 ≈ 60 ER11/2.5/6-3F3-A250-S
1200 ±25% ≈ 1170 ≈ 0 ER11/2.5/6-3F3-S
3F35 1000 ±25% ≈ 980 ≈ 0 ER11/2.5/6-3F35-S
3F4 63 ±3% ≈ 62 ≈ 280 ER11/2.5/6-3F4-A63-S
100 ±5% ≈ 98 ≈ 160 ER11/2.5/6-3F4-A100-S
160 ±8% ≈ 157 ≈ 85 ER11/2.5/6-3F4-A160-S
725 ±25% ≈ 710 ≈ 0 ER11/2.5/6-3F4-S
3F45 725 ±25% ≈ 710 ≈ 0 ER11/2.5/6-3F45-S
2004 Sep 01 3
Ferroxcube
Planar ER cores and accessories ER11/2.5/6
Core sets of high permeability grades
Clamping force for AL measurements,15 ±5N.
Properties of core sets under power conditions
Properties of core sets under power conditions (continued)
GRADE AL
(nH) µeAIR GAP
(µm) TYPE NUMBER
3E5 5000 +40/−30% ≈ 4920 ≈ 0 ER11/2.5/6-3E5-S
3E6 6700 +40/−30% ≈ 6590 ≈ 0 ER11/2.5/6-3E6-S
GRADE
B (mT) a t CORE LOSS (W) at
H=250A/m;
f = 25 kHz;
T = 100 °C
f = 100 kHz;
=100mT;
T = 100 °C
f = 100 kHz;
= 200 mT;
T = 100 °C
f=400kHz;
=50mT;
T = 100 °C
f = 500 kHz;
=50mT;
T = 100 °C
3C92 ≥370 ≤ 0.018 ≤ 0.1 −−
3C93 ≥320 ≤ 0.018(1)
1. Measured at 140 °C.
≤ 0.1(1) −−
3C94 ≥320 ≤ 0.018 ≤ 0.1 −−
3C96 ≥340 ≤ 0.014 ≤ 0.08 ≤ 0.033 ≤ 0.065
3F3 ≥300 ≤ 0.025 −≤ 0.04 −
3F35 ≥300 −−≤ 0.016 ≤ 0.023
3F4 ≥250 −−−−
GRADE
B (mT) at COR E LOSS (W) at
H=250A/m;
f = 25 kHz;
T = 100 °C
f = 500 kHz;
= 100 mT;
T = 100 °C
f=1MHz;
=30mT;
T=100°C
f=1MHz;
=50mT;
T = 100 °C
f=3MHz;
=10mT;
T = 100 °C
3C92 ≥370 −−−−
3C93 ≥320 −−−−
3C94 ≥320 −−−−
3C96 ≥340 −−−−
3F3 ≥300 −−−−
3F35 ≥300 ≤ 0.18 −−−
3F4 ≥250 −≤ 0.052 −≤ 0.084
3F45 ≥250 −≤ 0.035 ≤ 0.087 ≤ 0.06
B
ˆB
ˆB
ˆB
ˆ
B
ˆB
ˆB
ˆB
ˆ
2004 Sep 01 4
Ferroxcube
Planar ER cores and accessories ER11/2.5/6
COIL FORMERS
General data
Winding data for ER11/2.5/6 coil former (SMD)
PARAMETER SPECIFICATION
Coil former material liquid crystal polymer (LCP), glass reinforced, flame retardant
in acco rdance with
“UL 94V-0”
; UL file number E54705(M)
Pin material copper-tin alloy (CuSn), tin (Sn) plated for 10P, tin-lead alloy (SnPb) plated for
12P, transition to lead-free ongoing
Maximum operating temperature 155 °C,
“IEC 60085”
, class F
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
NUMBER OF
SECTIONS
WINDING
AREA
(mm2)
MINIMUM
WINDING
WIDTH
(mm)
A VERAGE
LENGTH OF
TURN
(mm)
TYPE NUMBER
1 2.8 1.85 21.6 CPVS-ER11-1S-10P-Z
1 2.8 1.85 21.6 CPVS-ER11-1S-12P
∅4.5
±0.1
∅5.3
±0.1
4
1.6
2
8
10.6 max.
0.7
2.8
±0.1 1.85
min.
9.2 0.25
12.35 max.
4.4
max.
1.6
10
CBW09
6
∅8.5 +0.1
−0.2
Fig.2 ER11/2.5/6 coil former (SMD); 10-solder pads.
Dimensions in mm.
2004 Sep 01 5
Ferroxcube
Planar ER cores and accessories ER11/2.5/6
MOUNTING PARTS
General data and ordering information
ITEM REMARKS FIGURE TYPE NUMBER
Clamp stainless steel (CrNi); clamping force ≈25 N 3 CLM-ER11
handbook, halfpage
11.5
4.4
5.6
CBW097
Fig.3 ER11/2.5/6 clamp.
Dimensions in mm.
2004 Sep 01 6
Ferroxcube
Planar ER cores and accessories ER11/2.5/6
DAT A SHEET STATUS DEFINITIONS
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
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 reser ves the right
to make changes at any time without notice in order to improve design and
supply the best possible product.
STATUS INDICATION DEFINITION
Prototype Th ese are products that ha v e bee n made as de v elopment 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 m ay not be available
through all of our sales channels. Customers are advised to check for availability.
