datasheets

FERROXCUBE
DATA SHEET
PQ26/20
PQ cores and accessories
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
PQ cores and accessories
PQ26/20
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
27.3 ± 0.46
handbook, halfpage
VALUE
15.5 min
6
min
UNIT
Σ(I/A)
core factor (C1)
0.372
mm−1
Ve
effective volume
5470
mm3
Ie
effective length
45.0
mm
Ae
effective area
121
mm2
Amin
minimum area
109
mm2
m
mass of set
≈ 30
g
10.5
min
19
± 0.45
;;;;
;;;;
;;;;
12
± 0.2
11.5 20.2
± 0.3 ± 0.25
22.5 ± 0.46
MBE691
Dimensions in mm.
Fig.1 PQ26/20 core set.
Core sets for general purpose transformers and power applications
Clamping force for AL measurements, 60 ±15 N.
GRADE
3C81
3C90
TOTAL AIR GAP
(µm)
AL
(nH)
µe
250 ±3%
≈ 74
≈ 730
PQ26/20-3C81-E250
315 ±3%
≈ 93
≈ 550
PQ26/20-3C81-A315
400 ±3%
≈ 118
≈ 420
PQ26/20-3C81-A400
630 ±3%
≈ 186
≈ 250
PQ26/20-3C81-A630
1000 ±5%
≈ 296
≈ 140
PQ26/20-3C81-A1000
7020 ±25%
≈ 2080
≈0
≈ 74
≈ 730
PQ26/20-3C90-E250
315 ±3%
≈ 93
≈ 550
PQ26/20-3C90-A315
400 ±3%
≈ 118
≈ 420
PQ26/20-3C90-A400
630 ±3%
≈ 186
≈ 250
PQ26/20-3C90-A630
PQ26/20-3C90-A1000
250 ±3%
1000 ±5%
TYPE NUMBER
PQ26/20-3C81
≈ 296
≈ 140
6200 ±25%
≈ 1640
≈0
PQ26/20-3C90
7020 ±25%
≈ 2080
≈0
PQ26/20-3C91
3C94
6200 ±25%
≈ 1640
≈0
PQ26/20-3C94
3C95
7020 ±25%
≈ 2080
≈0
PQ26/20-3C95
3C96
5530 ±25%
≈ 1640
≈0
PQ26/20-3C96
3C91
2008 Sep 01
2
Ferroxcube
PQ cores and accessories
AL
(nH)
µe
250 ±3%
≈ 74
≈ 730
PQ26/20-3F3-E250
315 ±3%
≈ 93
≈ 550
PQ26/20-3F3-A315
400 ±3%
≈ 118
≈ 420
PQ26/20-3F3-A400
630 ±3%
≈ 186
≈ 250
PQ26/20-3F3-A630
≈ 296
≈ 140
PQ26/20-3F3-A1000
≈ 1540
≈0
GRADE
3F3
PQ26/20
1000 ±5%
5200 ±25%
TOTAL AIR GAP
(µm)
TYPE NUMBER
PQ26/20-3F3
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
3C81
≥320
≤ 1.3
−
−
−
−
3C90
≥320
≤ 0.66
≤ 0.7
−
−
−
0.42(1)
−
2.5(1)
−
GRADE
≤
f = 100 kHz;
ˆ = 200 mT;
B
T = 25 °C
f = 100 kHz;
ˆ = 200 mT;
B
T = 100 °C
f = 400 kHz;
ˆ = 50 mT;
B
T = 100 °C
3C91
≥320
−
3C94
≥320
−
≤ 0.52
−
≤ 3.3
−
3C95
≥320
−
−
≤ 3.23
≤ 3.06
−
3C96
≥340
−
≤ 0.42
−
≤ 2.5
≤ 1.0
3F3
≥320
−
≤ 0.64
−
−
≤ 1.1
≤
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
T = 100 °C
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
≥320
−
−
−
−
3C90
≥320
−
−
−
−
3C91
≥320
−
−
−
−
3C94
≥320
−
−
−
−
3C95
≥320
−
−
−
−
3C96
≥340
≤ 2.1
−
−
−
3F3
≥320
−
−
−
−
GRADE
Note
1. Measured at 60 °C.
2008 Sep 01
3
Ferroxcube
PQ cores and accessories
PQ26/20
COIL FORMER
General data 12-pins PQ26/20 coil former
ITEM
SPECIFICATION
Coil former material
Polyethylene terephtalate (PET), glass-reinforced, flame retardant in
accordance with “UL 94V-0”; UL file number E41938
Pin material
copper-tin alloy (CuSn), tin (Sn) plated
Maximum operating temperature
180 °C, “IEC 60085”, class H
Resistance to soldering heat
“IEC 60 068-2-20”, Part 2, Test Tb, method 1B, 350 °C, 3.5 s
Solderability
“IEC 60 068-2-20”, Part 2, Test Ta, method 1
26.6 max
21.5 max
21.85 max
11.05 max
handbook, full pagewidth
2.54
9
14.2
29.75
max 25.4
25.4
12.3
min
0.64
2.4
min
7.6
MGB609
7.2
min
3.8
Dimensions in mm.
Fig.2 PQ26/20 coil former; 12-pins.
Winding data and area product for 12-pins PQ26/20 coil former
NUMBER OF
SECTIONS
MINIMUM
WINDING
AREA
(mm2)
NOMINAL
WINDING
WIDTH
(mm)
AVERAGE
LENGTH OF
TURN
(mm)
AREA
PRODUCT
Ae x Aw
(mm4)
1
31.1
9.0
56.4
3760
CPV-PQ26/20-1S-12P-Z
1
31.1
9.0
56.4
3760
CPV-PQ26/20-1S-12PD-Z
2008 Sep 01
4
TYPE NUMBER
Ferroxcube
PQ cores and accessories
PQ26/20
MOUNTING PARTS
General data
ITEM
REMARKS
Clamp
phosphorbronze, Sn plated, earth pins solderability acc. to
“IEC 60 068-2-20”, Part 2, Test Ta, method 1: 235 °C, 2 s
9
0.3
1.5
3
32.5
±0.5
1.7
28.2 max
21
10.5
MFW055
Dimensions in mm.
Fig.3 Clamp CLM/P-PQ26/20
2008 Sep 01
5
TYPE NUMBER
CLM/P-PQ26/20
Ferroxcube
PQ cores and accessories
PQ26/20
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
6