TDK Electronics · TDK Europe

Ferrit-Materialien

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Power
Transformer
(low loss)
f<100 kHzN27keyboard_arrow_rightµi = 2000low cost, hi-power
N41keyboard_arrow_rightµi = 2800current transformer
N51keyboard_arrow_rightµi = 3000loss min. @ 40°C
f<500 kHzN87keyboard_arrow_rightµi = 2200standard
N88keyboard_arrow_rightµi = 1900loss min. @ 140°C
N95keyboard_arrow_rightµi = 3000flat temperature behavior
N96keyboard_arrow_rightµi = 2900flat temperature behavior
N97keyboard_arrow_rightµi = 2300lower losses
f>500 kHzN49keyboard_arrow_rightµi = 1500
f>1 MHzPC200keyboard_arrow_rightµi = 800frequency up to 4 MHz
Output choke
(high Bsat @ 100°C)
N87keyboard_arrow_rightµi = 2200standard
N92keyboard_arrow_rightµi = 1500higher saturation
BallastN72keyboard_arrow_rightµi = 2500low Br , near flat temperature behaviour
Broadband

Signal transformer
(low THD)

ADSL

T38keyboard_arrow_rightµi = 10000standard
T66keyboard_arrow_rightµi = 13000ADSL2
SHDSLT57keyboard_arrow_rightµi = 4000
VDSLM33keyboard_arrow_rightµi = 750
Splitter
(high Bsat @room temperature)
N45keyboard_arrow_rightµi = 3800
Resonance circuit

Filter coil
(low tan δ/µi, high Q,
stable µi over T)

f<100 kHz

N48keyboard_arrow_rightµi = 2300stable impedance over temperature
N45keyboard_arrow_rightµi = 3800high Bsat
f<1 MHzM33keyboard_arrow_rightµi = 750
f>1 MHzK1keyboard_arrow_rightµi = 80
Proximity switch

Sensor coil
(high and stable Q over T)

f<100 kHz

N22keyboard_arrow_rightµi = 2300
N48keyboard_arrow_right

µi = 2300

f<1 MHzM33keyboard_arrow_rightµi = 750
f>1 MHzK1keyboard_arrow_rightµi = 80
EMI

Current-compensated choke
(high impedance)

N30keyboard_arrow_rightµi = 4300extended frequency response
T35keyboard_arrow_rightµi = 6000medium permeability
T36keyboard_arrow_rightµi = 7000stable impedance over temperature
T37keyboard_arrow_rightµi = 6500low tanδ/µi
T38keyboard_arrow_rightµi = 10000high Inductance low ηB
T65keyboard_arrow_rightµi = 5200high Bsat and high Tc
T46keyboard_arrow_rightµi = 15000highest permeability

Filter choke
(high impedance)

T36keyboard_arrow_rightµi = 7000stable impedance over temperature
T65keyboard_arrow_rightµi = 5200high Bsat and high Tc

Data line choke
(high data rate)

K10keyboard_arrow_rightµi = 800highest frequency