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Ferrite Materials

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
N51 µi = 3000 loss min. @ 40°C
f<500 kHz N87 µi = 2200 standard
N88 µi = 1900 loss min. @ 140°C
N95 µi = 3000 flat temperature behavior
N96 µi = 2900 flat temperature behavior
N97 µi = 2300 lower losses
f>500 kHz N49 µi = 1500
f>1 MHz PC200 µi = 800 frequency up to 4 MHz
Output choke
(high Bsat @ 100°C) 		N87 µi = 2200 standard
N92 µi = 1500 higher saturation
Ballast N72 µi = 2500 low Br , 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 Bsat @room temperature) 		N45 µi = 3800
Resonance circuit
Filter coil
(low tan δ/µi, high Q,
stable µi over T) 		f<100 kHz N48 µi = 2300 stable impedance over temperature
N45 µi = 3800 high Bsat
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
N48 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/µi
T38 µi = 10000 high Inductance low ηB
T65 µi = 5200 high Bsat and high Tc
T46 µi = 15000 highest permeability
Filter choke
(high impedance) 		T36 µi = 7000 stable impedance over temperature
T65 µi = 5200 high Bsat and high Tc
Data line choke
(high data rate) 		K10 µi = 800 highest frequency
Link to the original source: https://www.tdk-electronics.tdk.com/en/529404/products/product-catalog/ferrites-and-accessories/epcos-ferrites-and-accessories/ferrite-materials
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