How to get a quote for a custom designed choke
Please specify the inductance and DC current capability you need. You can also specify the D.C. resistance or leave this to us. In this case it will be determined by the current rating of the wire but we will thicken up the wire to minimize the resistance if we have space on the bobbin. If you specify a resistance value the choke may be larger.
We can design chokes for choke input or capacitor input filters. If you specify a choke for a choke input filter we need to know the rms ac voltage feeding the rectifier output as the choke must support this voltage. The choke in a capacitor input filter only sees a small ripple voltage. Chokes for choke input filters are generally at least 50% larger.
We regret it is not possible to make chokes with a Drop-Through package style. There is an extra charge if you require the Fully Shrouded style.
We can also make plate (anode) chokes for use with parafeed output stages. They are similar to single ended output transformers with no secondary. Plate chokes are wound using inter layer insulation and a two chamber bobbin to increase the self resonance frequency. There is an extra charge for this option.