POWER TRANSFORMER MATERIAL

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
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BROAD TRANSFORMER MATERIAL

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 — — — — — —
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NEW MATERIAL

Material CF190A CF199A CF297A CF295A
Preferred applications Broadband transformers and EMI suppression filters Stable AL upto 300 kHz Broadband transformers and EMI suppression filters with stable AL upto 100 kHz Low loss power applications suitable at the frequencies upto 300 kHz Switching power supplies with
flat loss characteristics
Initial permeability (25°C, 10 KHz) 6000±20% 10000±30% 2300±20% 3200±20%
Flux density (1200 A/m, 10 kHz) 400 mT at 25°C 410 mT at 25°C 520 mT at 25°C 520 mT at 25°C
280 mT at 100°C 240 mT at 100°C 410 mT at 100°C 410 mT at 100°C
Temperature Coeff. of permeability
from -40°C to +85°C (10-6/K)		 ≤ 2
Power loss
100 kHz, 200 mT, 25°C 600 kw/m3 350 kw/m3
100 kHz, 200 mT, 100°C 300 kw/m3 350 kw/m3
100 kHz, 200 mT, 140°C
Relative loss factor (10-6) <3 x 10-6 (10 kHz, 25°C) <5 x 10-6 ( 10 kHz, 25°C)
<30 x 10-6 (100 kHz, 25°C) <40 x 10-6 ( 100 kHz, 25°C)
Electrical resistivity 0.3 Ω.m 0.3 Ω.m 4 Ω.m 5 Ω.m
Curie temperature ≥120°C ≥220°C ≥220°C
Data Sheet PDF

Material CF296 CF296A CF249
Preferred applications Low loss power material suitable for automotive application in a wide temperature range from 25°C to 100°C Low loss power material suitable for automotive applications in a wide temperature range from 25°C to 140°C Power ferrite material suitable for use in general purpose transformers operating at the frequencies of 0.5 MHz to 1 MHz
Initial permeability (25°C, 10 KHz) 3200±20% 3300±20% 1500±20%
Flux density (1200 A/m, 10 kHz) 540 mT at 25°C 540 mT at 25°C 500 mT at 25°C
430 mT at 100°C 430 mT at 100°C 415 mT at 100°C
Power loss
100 kHz, 200 mT, 25°C 350 kw/m3 300 kw/m3
100 kHz, 200 mT, 100°C 290 kw/m3 300 kw/m3
100 kHz, 200 mT, 140°C 380 kw/m3
500 kHz, 50 mT, 100°C 90 kw/m3
1000 kHz, 50 mT, 100°C 480 kw/m3
Electrical resistivity 5 Ω.m 6 Ω.m 14 Ω.m
Curie temperature ≥215°C ≥215°C ≥240°C

Characteristics Conditions CF246 CF289 CF296 CF292A
Initial Permeability 25ºC-10KHz 3800±25% 1700±25% 3200±25% 1500±25%
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