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.