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EER28 Datasheet Preview

EER28 Datasheet

(EER Series) Available Core

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EER Series EER25.5 Cores(JIS FEER 25.5A)
6.2±0.2
9.3±0.2
7.5±0.2
Dimensions in mm
(25/71)
Parameter
Core factor
C1 mm1 1.08
Effective magnetic path length
e mm 48.2
Effective cross-sectional area
Ae mm2 44.8
Effective core volume
Ve mm3 2160
Cross-sectional center pole area
Acp mm2 44.2
Minimum cross-sectional center pole area Acp min. mm2 42.4
Cross-sectional winding area of core
Acw mm2 79.4
Weight (approx.)
g 11
Part No.
PC40EER25.5-Z
Coil: ø0.35 2UEW 100Ts
AL-value (nH/N2)
1920±25% (1kHz, 0.5mA)
2910 min. (100kHz, 200mT)
Core loss (W) at 100°C
100kHz, 200mT
0.98 max.
Calculated output power
(forward converter mode)
87W (100kHz)
NI limit vs. AL-value for
PC40EER25.5 gapped core (Typical)
Temperature: 100˚C
103
AL-value vs. Air gap length for
PC40EER25.5 core (Typical)
103
Center pole gap
40%
102 20%
102
Temperature rise vs. Total loss for
EER25.5 core (Typical)
(Ambient temperature: 25°C)
100
50
102 103
AL-value(nH/N2)
Note: NI limit shows the point where the exciting
current is 20% and 40% away from its
extended linear part.
101
0.1
1
Air gap length(mm)
Measuring conditions • Coil: ø0.35 2UEW 100Ts
• Frequency: 1kHz
• Level: 0.5mA
0
0 0.5 1 1.5 2 2.5
Total loss Pm(W)
Note: The temperature rise is measured in the
room whose temperature and humidity are
fixed to 25°C and 45(%)RH. respectively.
(approx. 400×300×300cm)
Measuring point
Core
Coil
All specifications are subject to change without notice.
002-01 / 20040913 / e148.fm




TDK

EER28 Datasheet Preview

EER28 Datasheet

(EER Series) Available Core

No Preview Available !

www.datasheet4u.com
EER Series EER28 Cores(JIS FEER 28.5A)
9.65±0.25
14.0±0.2
11.4±0.25
Dimensions in mm
(26/71)
Parameter
Core factor
C1 mm1 0.78
Effective magnetic path length
e mm 64.0
Effective cross-sectional area
Ae mm2 82.1
Effective core volume
Ve mm3 5250
Cross-sectional center pole area
Acp mm2 77.0
Minimum cross-sectional center pole area Acp min. mm2 73.1
Cross-sectional winding area of core
Acw mm2 114
Weight (approx.)
g 28
Part No.
PC40EER28-Z
Coil: ø0.35 2UEW 100Ts
AL-value (nH/N2)
2870±25% (1kHz, 0.5mA)
4350 min. (100kHz, 200mT)
Core loss (W) at 100°C
100kHz, 200mT
2.3 max.
Calculated output power
(forward converter mode)
203W (100kHz)
NI limit vs. AL-value for
PC40EER28 gapped core (Typical)
Temperature: 100˚C
103
AL-value vs. Air gap length for
PC40EER28 core (Typical)
104
Temperature rise vs. Total loss for
EER28 core (Typical)
(Ambient temperature: 25°C)
100
40%
102 20%
103 50
Center pole gap
102 103
AL-value(nH/N2)
Note: NI limit shows the point where the exciting
current is 20% and 40% away from its
extended linear part.
102
0.1
1
Air gap length(mm)
Measuring conditions • Coil: ø0.35 2UEW 100Ts
• Frequency: 1kHz
• Level: 0.5mA
0
0 0.5 1 1.5 2 2.5
Total loss Pm(W)
Note: The temperature rise is measured in the
room whose temperature and humidity are
fixed to 25°C and 45(%)RH. respectively.
(approx. 400×300×300cm)
Measuring point
Core
Coil
All specifications are subject to change without notice.
002-01 / 20040913 / e148.fm


Part Number EER28
Description (EER Series) Available Core
Maker TDK
PDF Download

EER28 Datasheet PDF





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