PC44PQ2020Z12 TDK Corporation, PC44PQ2020Z12 Datasheet - Page 30

• Manufacturer Part Number: PC44PQ2020Z12
• Manufacturer: TDK Corporation

Specifications of PC44PQ2020Z12

• Lead Free Status / RoHS Status: Compliant

EPC Series EPC25B Cores
Part No.
PC44EPC25B-Z
PC50EPC25B-Z
∗
NI limit vs. A
PC44EPC25B gapped core (Typical)
NI limit vs. A
PC50EPC25B gapped core (Typical)
• All specifications are subject to change without notice.
Note: NI limit shows the point where the exciting
Coil: ø0.23 2UEW 100Ts
10
10
10
10
current is 20% and 40% away from its
extended linear part.
3
2
3
2
13.8±0.2
25.1±0.5
16.5min.
20.4min.
10
10
1
1
L
L
-value for
-value for
A
A
L
L
-value ( nH/N
-value ( nH/N
Temperature: 100
Temperature: 100
20%
20%
2
2
A
1560±25% (1kHz, 0.5mA)
1080±25% (1kHz, 0.5mA)
10
)
)
10
L
Dimensions in mm
40%
-value (nH/N
40%
2
2
8.78±0.15
11.43±0.15
˚
˚
C
C
2
)
A
PC44EPC25B core (Typical)
A
PC50EPC25B core (Typical)
Measuring conditions • Coil: ø0.23 2UEW 100Ts
L
L
-value vs. Air gap length for
-value vs. Air gap length for
10
10
10
10
10
10
3
2
1
3
2
1
∗
∗
Air gap length ( mm )
Air gap length ( mm )
0.1
0.1
• Frequency: 1kHz
• Level: 0.5mA
Core loss (W) at 100°C
100kHz, 200mT
0.65 max.
Center pole gap
Center pole gap
Parameter
Core factor
Effective magnetic path length
Effective cross-sectional area
Effective core volume
Cross-sectional center pole area
Minimum cross-sectional area
Cross-sectional winding area of core
Weight (approx.)
1
1
500kHz, 50mT
0.22 max.
Temperature rise vs. Total loss for
EPC25B core (Typical)
(Ambient temperature: 25°C)
Note: The temperature rise is measured in the
100
50
room whose temperature and humidity are
fixed to 25°C and 45(%)RH. respectively.
(approx. 400
0
0
Measuring point
0.5
Calculated output power
(forward converter mode)
45W (100kHz)
87W (500kHz)
×
300
Total loss Pm ( W )
×
1
300cm)
C
Ae
Ve
A
A
Acw
Core
Coil
001-02 / 20070227 / e143.fm
e
cp
cp
1
min. mm
1.5
mm
mm
mm
mm
mm
mm
g
2
–1
2
3
2
2
2
1.39
46.2
33.3
1540
32.4
30.3
62.1
11
2.5
(30/33)