LL1673: Lundahl Choke

The LL1673 is available in 6 versions.

• 2.5H, 400mA, wired in parallel
• 3.75H, 280mA, wired in parallel
• 5H, 200mA, wired in parallel
• 10H, 200mA, wired in series
• 15H, 140mA, wired in series
• 20H, 100mA, wired in series

Please refer to the datasheet on how to wire the chokes, be it in series or parallel. Please note that Lundahl only labels the chokes with the series value. To clarify a choke labelled (in bold):

LL1673 10H (200mA) has a value of 2.5H (400mA) when wired in parallel
LL1673 15H (140mA) has a value of 3.75H (280mA) when wired in parallel
LL1673 20H (100mA) has a value of 5H (200mA) when wired in parallel

(N.B. Adjusting the airgap adjusts the DC current and inductance. This is done at the Lundahl factory

There are further 2 versions depending on what C-core material you require.

• Silicon-iron
• Amorphous-iron (AM)

Dimensions - 95mm x 75mm x 50mm

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