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FERYSTER® Sp. z o.o.

ul.Traugutta 4, 68-120 Iłowa
VAT ID: 9241814861
REGON: 080065589
KRS: 0001015898
Share capital: 1 000 000 PLN

Contact details

tel: +48 -068-478 07 06

tel: +48 -068-478 07 25

tel: +48 -068-360 00 70

tel: +48 -068-360 00 76

tel: +48 -068-360 00 77


Our Team

Jacek Sieński

Board Membet
Sales & Purchasing Manager
International Trade contact person

tel. +48 68-360 00 70 phone ext. 16
mobile +48 723 003 020
j.sienski@feryster.pl

Working hours(GMT+1):
7:00 - 15:00

Dawid Makowski

Board Member
Production manager
Safety specialist

tel. +48 68-360 00 70 phone ext. 20
mobile +48 661 251 830
d.makowski@feryster.pl

Working hours(GMT+1):
7:00 - 15:00

Anna Poniewierka

Head Accountant
tel. +48 68-360 00 70 phone ext. 12


Working hours(GMT+1):
7:00 - 14:00

Jadwiga Pietkiewicz

Accountant
tel. +48 68-360 00 70 phone ext. 29


Working hours(GMT+1):
7:00 - 15:00

Anna Sygutowska

Accountant
tel. +48 68-360 00 70 phone ext. 24


Working hours(GMT+1):
7:00 - 15:00

Roman Mandziejewicz

Design Consultant
tel. +48 77 544 39 44
mobile +48 602 351 881
r.mandziejewicz@feryster.pl

Working hours(GMT+1):
12:00 - 14:00

Jakub Kalus

Designer
tel. +48 68-360 00 70 phone ext. 39
j.kalus@feryster.pl

Working hours(GMT+1):
7:00 - 14:00

Norbert Mięki

Designer
tel. +48 68-360 00 70 phone ext. 21
n.mieki@feryster.pl

Working hours(GMT+1):
7:00 - 15:00

Andrzej Szymczak

DESIGNER DEPARTMENT WORKER
CNC MACHINES OPERATOR

tel. +48 68-360 00 70 phone ext. 17
a.szymczak@feryster.pl

Working hours(GMT+1):
7:00 - 15:00

Dariusz Poprawski

IT Engineer
tel. +48 68-360 00 70 phone ext. 22
d.poprawski@feryster.pl

Working hours(GMT+1):
7:00 - 14:00

Joanna Herczakowska

Logistics Assistant
tel. +48 68-360 00 70 phone ext. 18
mobile +48 576 776 610
j.herczakowska@feryster.pl

Working hours(GMT+1):
7:00 - 15:00

Paweł Jakubiak

Customer Complaints Handler
Quality control specialist
Quality System Management Specialist

tel. +48 68-360 00 70 phone ext. 28
p.jakubiak@feryster.pl

Working hours(GMT+1):
7:00 - 15:00

Daniel Sygutowski

Process Engineer


tel. +48 68-360 00 70 phone ext. 15
mobile +48 575 877 955
d.sygutowski@feryster.pl

Working hours(GMT+1):
7:00 - 15:00

Monika Hołodziuk

Salesman
tel. +48 68-360 00 70 phone ext. 38
mobile +48 575 771 277
m.holdziuk@feryster.pl

Working hours(GMT+1):
7:00 - 15:00

Monika Jastrząb

HR specialist
tel. +48 68-360 00 70 phone ext. 19
mobile +48 730 770 488
m.jastrzab@feryster.pl

Working hours(GMT+1):
7:00 - 15:00

Toroidal ferrite cores (RTF type)

Toroidal ferrite cores, used in DTF - DTS chokes and TI-T transformers

Toroidal ferrite cores are available in many sizes and materials (table below).

Toroidal ferrite cores - dimensions [mm]
Index A B C Material AL HP P
RTF-4,3x2,8x2,5-F9384,32,82,5F9381720X
RTF-6,3x3,8x2,5-F9386,33,82,5F9382500X
RTF-6x3x3-F938633F9385000X
RTF-7x4x3-F830743F8301480X
RTF-9x6x3-3E259633E251340X
RTF-9x6x3-3F39633F3440X
RTF-10x6x3E-3F310643F3740X
RTF-10x6x4-4A1110644A11286
RTF-10x6x4-F9381064F9384080X
RTF-10x6x4-F8301064F8301800X
RTF-10x6x4-3C1110643C111800X
RTF-10x6x4-3E2510643E252250X
RTF-12,5x7,5x5-3C1112,57,553C112300X
RTF-12,5x7,5x5-F82712,57,55F8271000X
RTF-12,5x7,5x5-F83012,57,55F8302300X
RTF-12,5x7,5x5-F86712,57,55F8671200X
RTF-12,5x7,5x5-F93812,57,55F9385100X
RTF-13x7,5x5-3C20 137,553C2040
RTF-13x7,5x5-3E5 137,553E55000X
RTF-13x7,5x5-4A11137,554A11360
RTF-13x7,5x5-3C90-M137,553C90-M1900X
RTF-16x9,5x6,5-F830169,56,5F8302850X
RTF-16x9,5x6,5-F860169,56,5F8604020X
RTF-16x9,5x6,5-F867169,56,5F8671480X
RTF-16x9,5x6,5-F938169,56,5F9386480X
RTF-16x9,6x6,3-3E25169,66,33E253540X
RTF-17x11x6,4-3C2017116,43C2072
RTF-20x10x10-F860201010F86010000X
RTF-20x10x10-F867201010F8673600X
RTF-20x10x10-F938201010F93813000X
RTF-20x10x7-3C90201073C902230X
RTF-22x14x6-F86722146F8671250X
RTF-22x14x7-F83022147F8302700X
RTF-25x15x10-3C112515103C114300X
RTF-25x15x10-F830251510F8304300X
RTF-25x15x10-F867251510F8672180X
RTF-25x15x10-F938251510F93810000X
RTF-25x15x10-3E252515103E255600X
RTF-25x15x10-3E52515103E58680X
RTF-25x15x10-F860251510F8607100X
RTF-25x15x10-K10000251510K1000010000X
RTF-25x15x10-K2004251510K20042300X
RTF-31,5x19x12,5-K200431,51912,5K20042500X
RTF-31x19x13-F860311913F8607870X
RTF-31x19x13-F867311913F8672800X
RTF-31x19x13-F938311913F93812000X
RTF-32,5x13x7-K200632,5137K20062550X
RTF-32,5x13x8,5-K200632,5138,5K20063200X
RTF-36x23x15-3C113623153C115800X
RTF-40x24x16-F867402416F8673400X
RTF-40x24x16-F860402416F86010000X
RTF-40x24x16-F938402416F93815000X
RTF-40x24x16-K2006402416K20063400X
RTF-42x26x13-3E254226133E256425X
RTF-42x26x13-N30422613N304866X
RTF-47x25x15-F946472515F94617440X
RTF-58,3x40,8x17,6-K400058,340,817,6K40004700X
RTF-63x38x25-F860633825F86015650X
RTF-74x39x13-3F37439133F32900X
RTF-87x54x14-3C908754143C902930X

legend:
HP - high permeability
P - power material