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TOROID COILS
FEATURES
l Enables you to make compact dummy choke coils for greater efficiency.
l Less power loss and minimum thermal effect to peripheral components.
l Perfectly matched to power supplies where average power and peak power differ greatly, with
magnetic saturation kept minimum.
l Low radiation noise based on its toroidal construction.
l Various materials can meet with a wide range of frequency requirement.
APPLICATIONS
l Computers, Power supply, EMI/RFI Suppression and Wideband choke coils.
MODEL DIMENSION (mm)
RB54
RBPF
T251015B08
T381121B07-1
RB (with base)
197
TOROID COILS
MODEL DIMENSIONS (mm)
RI
RI38
RIXG
RI50
RIC7
RI194
Specifications other than the above will be furnished upon request.
198
TOROID COILS
FEATURES
l Use of high loss ferrite materials for excellent high frequency noise absorption.
l High impedance for normal mode applications.
l Enable common-mode noise suppression without interfering video signal.
l This available in taping for automatic insertion.
APPLICATIONS
l Absorption of high frequency noise from digital equipment data lines.
l Countermeasures against radiated noise in personal computers, word processors etc.
l Countermeasures against output noise of switching power supplies and switching AC adapters.
l Countermeasures against common-mode noise at Composite video signals.
MODEL DIMENSION (mm)
RM77
Specification Table of Toroid of RM77
Impedance
Inductance(H) |Z|( ) at 23 Rated current Dc resistance Wire
(m) typ. Material
Model No. Turns
(1kHz/5mA) typ. 100MHz typ. (mA) typ. (mm)
RM77--854712
5 320 2600 18 6