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Ferrite Materials

Resonance circuit

Proximity switch

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

Power

Transformer (low loss)
	f<100 kHz
	N27 (µi = 2000 ) low cost, hi-power
	N41 (µi = 2800 ) current transformer
	f<500 kHz
	N87 (µi = 2200 ) standard
	N97 (µi = 2300 ) lowest losses
	N95 (µi = 2000 ) flat temperature behavior
	N51 (µi = 3000 ) loss min. @ 40°C
	f>500 kHz
	N49 (µi = 1500 )

Output choke (high B_sat @ 100°C)
	N87 (µi = 2200 ) standard
	N92 (µi = 1500 ) higher saturation

Ballast
	N72 (µi = 2500 ) low B_r, near flat temperature behaviour

Broadband

Signal transformer (low THD)
	ADSL
	T38 (µi = 10000 ) standard
	T66 (µi = 13000 ) ADSL2
	SHDSL
	T57 (µi = 4000 )
	VDSL
	M33 (µi = 750 )

Splitter (high B_sat @room temperature)
	N45 (µi = 3800 )

Resonance circuit

Filter coil (low tan d/µi, high Q, stable µi over T)
	f<100 kHz
	N48: (µi = 2300 ) stable impedance over temperature
	N45: (µi = 3800 ) high B_sat
	f<1 MHz
	M33 (µi = 750 )
	f>1 MHz
	K1 (µi = 80 )

Proximity switch

Sensor coil (high and stable Q over T)
	f<100 kHz
	N22: (µi = 2300 )
	f<1 MHz
	M33 (µi = 750 )
	f>1 MHz
	K1 (µi = 80 )

EMI

Current-compensated choke (high impedance)
	N30: (µi = 4300 ) extended frequency response
	T35: (µi = 6000 ) medium permeability
	T36: (µi = 7000 ) stable impedance over temperature
	T37: (µi = 6500 ) low tanδ/µ_i
	T38: (µi = 10000 ) high Inductance low η_B
	T65: (µi = 5200 ) high B_sat and high T_c
	T46: (µi = 15000 ) highest permeability

Filter choke (high impedance)
	T36: (µi = 7000 ) stable impedance over temperature
	T65: (µi = 5200 ) high B_sat and highT_c

Data line choke (high data rate)
	M13: (µi = 2300 ) high frequency, high permeability
	K8: (µi = 860 ) highest frequency
	K10: (µi = 800 ) highest frequency