Coilcraft PFS Series Type IV ("Four")  Fixed Radial Inductor.  Solenoid wound on substrate and conformally coated with a durable, moisture resistant coating. Solenoid wound construction for use where interaction with other components is critical, such as in Chroma, 1st and Second Video IF, and Ultrasonic applications.  These inductors are most commonly found in TV and radio applications, for Chroma Oscillator/Burst Amp tuning, video peaking, shunt and series filtering, and L-C tank applications.  Color coded for value, with generous 1.5" long leads on 0.5"  spacing, suitable for PCB and Point-to-Point wiring.  Specifications for .15uH to 39uH here.