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  • broadband transformer materials
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power transformer materials

Material Test Temp broadband transformer materials
Characterstics Conditions (°C) CF265 CF255 CF195A CF275 CF190 CF197 CF199
Initial Permeability µiac 25 5000±20% 5500±25% 5000±20% 7000±25% 6000±20% 7000±20% 9000±30%
Saturation Flux Density Bs (H=1kA/m) 100 320 310 260 240 280 260 260
25 460 440 400 420 400 400 400
Relative Loss Factor(*10-6) tand/µiac x 10-6 10 ≤5.0 ≤5 ≤5.0 ≤5 ≤5 ≤7 ≤20
    100 ≤25 ≤15 ≤20 ≤25 ≤40 -- --
Hysteresis Material Constant(*10-6) hB 25 <1> <0> <0> <0> <1> <1> <0>
Relative Temp. Coefficient(*10-6) aF 25 -- -0.5-2.0 -- -0.5-2.0 -- -- --
Curie Temperature TC 1 ≥160 >150 ≥120 ≥130 > 120 > 120 >115
Resistivity(Ohm m)   25 0.2 0.5 0.5 0.2 0.5 0.2 0.1
Density(gm/cc)   1 4.8 -- -- -- -- -- --

power transformer materials

Material Test Temp power transform materials
Characterstics Conditions (°C) CF140 CF196 CF124 CF130 CF292 CF139 CF297 CF295
Initial Permeability µiac 25 2500±20% 2000+20% 2500±20% 3000±20% 1800+20% 2100±20% 2300±20% 3000+20%
Saturation Flux Density 10khz\1kA/m) 100 310 400 390 410 440 390 410 410
25 390 500 490 520 500 490 510 525
Remanent Flux Density   25 110 210 200 200 180 -- -- 80
Power Loss Density(KW/m3) 16kHz/200 mT 100 -- ≤110 ≤90 -- -- -- -- 80
25 -- ≤120 ≤100 -- -- -- -- --
25kHz/ 200 mT 100 -- ≤140 ≤130 -- -- -- -- --
25 -- ≤160 ≤150 -- -- -- -- --
Pc (100kHz) 100 mT 100 -- -- -- -- ≤100 ≤60 -- --
25 -- -- -- -- -- -- -- --
100kHz/200 mT 100 -- -- -- ≤800 ≤500 ≤380 ≤350 ≤350
25 -- -- -- ≤390 -- -- ≤600 ≤400
Curie Temperature   1 >150 ≥200 ≥220 >220 > 240 >210 >210 >210
Resistivity(Ohm m)   25 1 0.4 0.5 3 6 8.0 8 5
Density(gm/cc)   25 4.8 4.8 4.8 4.8 4.8 4.8 4.85 4.85