L Material
Initial Perm (10kHz), Uncoated . . . . . . . . . . . . . . . . . . . . . . . . . . 900 ± 25% Initial Perm (10kHz), Coated . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750 ± 25% Saturation Flux Density (4,200 G at 15 Oe, 25°C) . . . . . . . .420 mT, 11.9 A·T/cm Curie Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C
A high-frequency high-temperature power material. L material is optimized for transformers and inductors from 500 kHz – 3 MHz. Core losses are minimized between 70 – 100°C.
PERMEABILITY vs. TEMPERATURE
CORE LOSS vs. TEMPERATURE
700 600
1200 800
CORE LOSS
PERMEABILITY(µ)
1800 1600
500
mW cm3
300
400
500 kHz 50 mT
400
1 MHz 25 mT
3 MHz 10 mT
1 MHz 50 mT
200 100
0 -10
30
70
0 -60 -40 -20 0
110 150 190 230 270 300 TEMPERATURE ˚C
PERMEABILITY vs. FLUX DENSITY
2500
CORE LOSS vs. FLUX DENSITY AT 100˚C
1000
CORE LOSS
PERMEABILITY(µ)
2000 100˚C
1500
25˚C
1000
20 40 60 80 100 120 TEMPERATURE ˚C
3 MHz
100
mW cm3
500
2 MHz
1 MHz 500 kHz
0
0
50 100 150 200 250 300 350 400 FLUX DENSITY (mT)
PERMEABILITY(µ)
1000 800 600 400 200 0
10
100
1000
FREQUENCY (kHz)
4 L Material - MAGNETICS
1
10 FLUX DENSITY (mT)
PERMEABILITY vs. FREQUENCY
1200
10
10000
100