Ferrite Materials

Please click the materials below to access the corresponding data sheet.

Power
Transformer (low loss)	f<100 kHz	N27	µ_i= 2000	low cost, hi-power
		N41	µ_i= 2800	current transformer
		N51	µ_i = 3000	loss min. @ 40°C
	f<500 kHz	N87	µ_i = 2200	standard
		N88	µ_i = 1900	loss min. @ 140°C
		N95	µ_i = 3000	flat temperature behavior
		N96	µ_i = 2900	flat temperature behavior
		N97	µ_i = 2300	lower losses
	f>500 kHz	N49	µ_i = 1500
	f>1 MHz	PC200	µ_i= 800	frequency up to 4 MHz
	Output choke (high B_sat @ 100°C)	N87	µ_i = 2200	standard
		N92	µ_i = 1500	higher saturation
		N91	µ_i = 1100	highest saturation
	Ballast	N72	µ_i = 2500	low B_r , near flat temperature behaviour
Broadband
Signal transformer (low THD)	ADSL	T38	µ_i = 10000	standard
	SHDSL	T57	µ_i = 4000
	VDSL	M33	µ_i = 750
	VDSL	M34	µ_i = 1300
Resonance circuit
Filter coil (low tan δ/µi, high Q, stable µi over T)	f<100 kHz	N48	µ_i = 2300	stable impedance over temperature
	f<1 MHz	M33	µ_i = 750
	f<1 MHz	M34	µ_i = 1300
	f>1 MHz	K1	µ_i = 80
Proximity switch
Sensor coil (high and stable Q over T)	f<100 kHz	N22	µ_i = 2300
	f<100 kHz	N48	µ_i = 2300
	f<1 MHz	M33	µ_i = 750
	f<1 MHz	M34	µ_i = 1300
	f>1 MHz	K1	µ_i= 80
EMI
Current-compensated choke (high impedance)		N30	µ_i = 4300	extended frequency response
		T35	µ_i = 6000	medium permeability
		T36	µ_i = 7000	stable impedance over temperature
		T37	µ_i = 6500	low tanδ/µ_i
		T38	µ_i = 10000	high inductance low η_B
		T65	µ_i = 5200	high B_sat and high T_c
		E11	µ_i = 1500	high f, 30 - 300 MHz
		E12	µ_i = 2400	flat µ_i over T, f < 30 MHz
		E16	µ_i = 6000	high µ_i, low f<5 MHz, high B_sat and high T_c
		E19	µi = 9000	high µ_i, low f<5 MHz, high B_sat and high T_c
Filter choke (high impedance)		T36	µ_i = 7000	stable impedance over temperature
		T65	µ_i = 5200	high B_sat and high T_c
		E13	µ_i = 3100	high B_s, f<30 MHz, high T_c
		E14	µ_i = 3300	high B_s, f<30 MHz, high T_c
Data line choke (high data rate)		K10	µ_i = 800	highest frequency

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Ferrites – E Series Materials

The E series materials for EMI applications include E11 for wide frequency filtering (30-300 MHz), E12 with flat initial permeability up to 30 MHz, E13 and E14 with high saturation and impedance up to 30 MHz, and E16 and E19 for noise suppression below 10 MHz.

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Ferrite Materials

HF power material PC200, MnZn-based
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Ferrites – E Series Materials

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Ferrite Materials

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Resources for Ferrites

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General information