roWaves Technologies

Certified Company ISO 9001-2008

RFT18-20 | EFHW Matching Transformer | 20W

This is a high efficiency matching transformer, ultraportable, for SOTA or other outdoor activities and not only. Based on a FaiRite larger size ferrite bead instead of a toroidal core (e.g. FT82-43 or similar) it has excellent thermal behaviour and efficiency, >90% (@3.6MHz). Enclosure design copyright Luis – CT2FZI. Technical description file available below at “Downloads”.

Enclosure color: grey or black
Manufacturer code: ROW-RFT18-20
Ordering code: RFT18-20
Applications: for 1/2 wire (EFHW antennas, QRP, SOTA, portable etc.)
Transform ratio: 1:8 (autotransformer, 3 + 21 turns)
Compensation capacitor: 100pF Silver Mica, 300V
Power handling: 20W and more (120s @ CW – core temp. is 25°C, on dummy load)
Ferrite Bead Material: 43
Frequency range: 3- 30MHz
Transformer Efficiency: > 90% @ 3.6MHz
RF max. power depends on application: 20W CW
VSWR: < 2 with 3200Ω load
Weight: 35g
Dimmensions: 8.8 x 2.6 x 2.6 cm
Price :

88,50 lei (excl. VAT)

2 în stoc

(*Ships in 1-2 business days. VAT amount and the exact shipping cost will be calculated during checkout.)

Technical description file:

Informații suplimentare

Greutate 130 g
Dimensiuni 6,1 × 3,55 × 1,27 cm

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