Brand: KE KITAGAWA
Manufacturer code: K5A RH 26X13X28
Order code: TF-99
Round cable ferrite bead
Product conditions: N
$2.50
/ pc
(VAT tax not included)
-
500
-
80 Ohm @ 25 MHz
150 Ohm @ 100 MHz -
26 mm
-
13 mm
-
28 mm
-
1.02 in
-
0.512 in
-
1.102 in
Round cable ferrite bead
Common applications:
- Impedance matching
In power HF transformers on the output of MOS-FET or bipolar transistors, the maximum power is estimated at about 500/1000W, see application example - Choke and EMI filter up to 500 MHz
Typical impedance
Frequency 1 turn 3 turns 10 MHz 74Ω 700Ω 25 MHz 118Ω 1100Ω 100 MHz 210Ω 700Ω 250 MHz 260Ω 280Ω - Common mode rejection choke on coaxial cables
When on the screen of a coaxial cable there is a RF current it is necessary to include a common mode choke, this situation often happens when you change from an unbalanced impedance to a balanced one (coaxial cable on balanced dipole antenna). This ferrite is compatible with all coaxial cables up to 12mm diameter including RG213, RG214, RG9, BWL400, LMR400, RG393, RG115, etc..., for this application it is recommended a choke impedance of at least 10 times higher than that of the coaxial cable
Example of application on coaxial cable
Test conditions: 1m RG213, 35x TF-99
1100Ω @ 1.8 MHz
1900Ω @ 3 MHz
1600Ω @ 10 MHz
750Ω @ 21 MHz
650Ω @ 30 MHz
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