RF Toroid Calculator by VK3CPU
FT400-3I, ID=3", RFI Range 1-300 MHzProduct DetailsMPN: F400-31RFI Range (MHz): 1-300 MHzID-B (in/mm): 3/76.2OD-A (in/mm): 4/101.6Height-C (in/mm): 1/25.4Weight (oz/gm): 420 gramsInitial permeability: 1500Case/Box lot size: 25Frequency (MHz)/Single turn impedance (ohms): 1MHZ:14 ohms, 5 MHz: 31 ohms, 10 MHz: 45 ohms, 25 MHz: 76 ohms(4″ OD, 3″ ID hole), available in mix 31 only
Excellent for large cables or multiple cables – use multiple cores for higher choking. Also useful when you need high turns count for high choking with large cable - works on AC or DC power lines and also coax cable lines.
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FT400-3I, ID=3", RFI Range 1-300 MHz
Product Details
MPN: F400-31
RFI Range (MHz): 1-300 MHz
ID-B (in/mm): 3/76.2
OD-A (in/mm): 4/101.6
Height-C (in/mm): 1/25.4
Weight (oz/gm): 420 grams
Initial permeability: 1500
Case/Box lot size: 25
Frequency (MHz)/Single turn impedance (ohms): 1MHZ:14 ohms, 5 MHz: 31 ohms, 10 MHz: 45 ohms, 25 MHz: 76 ohms
(4″ OD, 3″ ID hole), available in mix 31 only
Excellent for large cables or multiple cables – use multiple cores for higher choking. Also useful when you need high turns count for high choking with large cable - works on AC or DC power lines and also coax cable lines.