FEC Round Air Coil  
  • Inductance range from 2.5nH to 43nH
  • Current (max): 4.0A
  • SRF (min) range from 1.2GHz to 12.5GHz
  • DCR (max) range from 1.1mΩ to 7.9mΩ

Frontier's 291A/B series of SMD Air Coils, also known as Air Core Inductors have exceptionally high Q and SRF ratings for use in high frequency circuits. Our SMD air coils come tape and reeled and facilitate placement by pick and place machines.

custom air coil Frontier Electronics offers air coils built to customers' specifications. You can use our Custom Air Coil Quote Request or send an email with your drawing(s) attached to Email:   frontiersales@frontierusa.com
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PDF Datasheet
S Param

Turns Ind. (nH) Test Freq (MHz)

Tolerance Q (min) DCR (mΩ) SRF (GHz) Current (A) RoHS

291A-01KQuoteS Param12.515010%1451.112.54YES
291A-02GQuoteS Param251502%1401.86.54YES
291A-02JQuoteS Param251505%1401.86.54YES
291A-03GQuoteS Param381502%1402.654YES
291A-03JQuoteS Param381505%1402.654YES
291A-04GQuoteS Param412.51502%1373.43.34YES
291A-04JQuoteS Param412.51505%1373.43.34YES
291B-06GQuoteS Param617.51502%1004.52.24YES
291B-06JQuoteS Param617.51505%1004.52.24YES
291A-05GQuoteS Param518.51502%1323.92.54YES
291A-05JQuoteS Param518.51505%1323.92.54YES
291B-07GQuoteS Param7221502%1025.22.14YES
291B-07JQuoteS Param7221505%1025.22.14YES
291B-08GQuoteS Param8281502%10561.84YES
291B-08JQuoteS Param8281505%10561.84YES
291B-09GQuoteS Param935.51502%1126.81.54YES
291B-09JQuoteS Param935.51505%1126.81.54YES
291B-10GQuoteS Param10431502%1067.91.24YES
291B-10JQuoteS Param10431505%1067.91.24YES