Choke coil characteristics and applications: 
1.Low loss coil. 
2.Used in many high frequency circuits. 
3.The use of frequencies up to 1GHZ. 
4.Rated current can be up to a maximum of 50 amperes. 
5.Wire diameter from 0.20 mm to 3.2 mm. 
6.Applied to satellite communications systems,power amplifier circuit,
noise filter and switching regulators, thyristors and thyristor circuit.