TDK Electronics · TDK Europe

Ferrite Materials

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

Power

Transformer
(low loss)

f<100 kHz N27 keyboard_arrow_right µi = 2000low cost, hi-power
N41 keyboard_arrow_right µi = 2800current transformer
N51 keyboard_arrow_right µi = 3000loss min. @ 40°C
f<500 kHz N87 keyboard_arrow_right µi = 2200standard
N88 keyboard_arrow_right µi = 1900loss min. @ 140°C
N95 keyboard_arrow_right µi = 3000flat temperature behavior
N96 keyboard_arrow_right µi = 2900flat temperature behavior
N97 keyboard_arrow_right µi = 2300lower losses
f>500 kHz N49 keyboard_arrow_right µi = 1500
f>1 MHz PC200 keyboard_arrow_right µi = 800frequency up to 4 MHz
Output choke
(high Bsat @ 100°C)
N87 keyboard_arrow_right µi = 2200standard
N92 keyboard_arrow_right µi = 1500higher saturation
Ballast N72 keyboard_arrow_right µi = 2500low Br , near flat temperature behaviour
Broadband
Signal transformer
(low THD)
ADSL T38 keyboard_arrow_right µi = 10000standard
T66 keyboard_arrow_right µi = 13000ADSL2
SHDSL T57 keyboard_arrow_right µi = 4000
VDSL M33 keyboard_arrow_right µi = 750
Splitter
(high Bsat @room temperature)
N45 keyboard_arrow_right µi = 3800
Resonance circuit
Filter coil
(low tan δ/µi, high Q,
stable µi over T)
f<100 kHz N48 keyboard_arrow_right µi = 2300stable impedance over temperature
N45 keyboard_arrow_right µi = 3800high Bsat
f<1 MHz M33 keyboard_arrow_right µi = 750
f>1 MHz K1 keyboard_arrow_right µi = 80
Proximity switch
Sensor coil 
(high and stable Q over T)
f<100 kHz N22 keyboard_arrow_right µi = 2300
N48 keyboard_arrow_right µi = 2300
f<1 MHz M33 keyboard_arrow_right µi = 750
f>1 MHz K1 keyboard_arrow_right µi = 80
EMI

Current-compensated choke

(high impedance)

N30 keyboard_arrow_right µi = 4300extended frequency response
T35 keyboard_arrow_right µi = 6000medium permeability
T36 keyboard_arrow_right µi = 7000stable impedance over temperature
T37 keyboard_arrow_right µi = 6500low tanδ/µi
T38 keyboard_arrow_right µi = 10000high Inductance low ηB
T65 keyboard_arrow_right µi = 5200high Bsat and high Tc
T46 keyboard_arrow_right µi = 15000highest permeability
Filter choke
(high impedance)
T36 keyboard_arrow_right µi = 7000stable impedance over temperature
T65 keyboard_arrow_right µi = 5200high Bsat and high Tc
Data line choke
(high data rate)
K10 keyboard_arrow_right µi = 800highest frequency