大功率开关电源磁芯PQ4040(2)

用于大功率开关电源的高频磁芯资料。磁芯型号是PQ4040。如用它做开关电源实际产品能做到800瓦的功率。

Ferroxcube

PQ cores and accessories

CORE SETS

Effective core parametersSYMBOLΣ(I/A)VeIeAeAminm

PARAMETERcore factor (C1)effective volumeeffective lengtheffective areaminimum areamass of set

VALUE0.50720500102201175≈ 97

UNITmm 1mm3mmmm2mm2g

PQ40/40

Core sets for general purpose transformers and power applicationsClamping force for AL measurements, 80± 20N.

GRADE3C913C943C953C96

AL(nH)6100± 25 %4900± 25 %6100± 25 %4200± 25 %

µe≈ 2460≈ 1980≈ 2460≈ 1690

AIR GAP(µm)

≈0≈0≈0≈0

TYPE NUMBERPQ40/40-3C91PQ40/40-3C94PQ40/40-3C95PQ40/40-3C96

Properties of core sets under power conditions

B (mT) at

GRADE

H=250A/m; f=10kHz; T=100°C

≥320≥320≥320≥340

f=100kHz; =100mT;B

T=100°C≤ 1.65(1)≤ 2.1 ≤ 1.65

CORE LOSS (W) atf=100kHz; =200mT;B

T=25°C

≤ 12.9

f=100kHz; =200mT;B

T=100°C≤ 10(1)≤ 12.6≤ 12.3≤ 10

f=500kHz; =50mT;B

T=100°C

≤ 8.0

3C913C943C953C96Note

1.Measured at 60°C.

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