RL181S Radial Lead RF Chokes

Bourns RL181S Radial Lead RF Chokes feature up to 90mA current rating and 1000µH to 120,000µH inductance range with ±5% inductance tolerance. These chokes offer high Q, shielded construction, and ferrite core material. The series is RoHS compliant and operates in a -55°C to +105°C temperature range. These chokes are formerly J.W. Miller® products. Bourns RL181S Radial Lead RF Chokes are ideally suited for applications such as DC/DC converters, power supplies, desktop notebooks, and output chokes.

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Type
Termination Style
Package/Case
Shielding
Inductance
Tolerance
Maximum DC Current
Maximum DC Resistance
Minimum Operating Temperature
Maximum Operating Temperature
Q Minimum
Self Resonant Frequency
Termination
Mounting Style
Length
Height
Diameter
Core Material
Series
Packaging
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
111In Stock
Min.: 1
Mult.: 1

RF Choke Radial Shielded 5.6 mH 5 % 40 mA 8.4 Ohms - 55 C + 105 C 100 350 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded 8,200 uH 30mA
Datasheet
409In Stock
Min.: 1
Mult.: 1

RF Choke Radial Shielded 8.2 mH 5 % 30 mA 10.4 Ohms - 55 C + 105 C 100 280 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
1,043In Stock
Min.: 1
Mult.: 1

RF Choke Radial Shielded 56 mH 5 % 12 mA 58 Ohms - 55 C + 105 C 100 120 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded 39,000 uH 15mA
Datasheet
1,507In Stock
Min.: 1
Mult.: 1

RF Choke Radial Shielded 39 mH 5 % 15 mA 45 Ohms - 55 C + 105 C 100 120 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
2,955In Stock
1,500Expected 19/11/2026
Min.: 1
Mult.: 1

RF Choke Radial Shielded 100 mH 5 % 9 mA 82 Ohms - 55 C + 105 C 100 900 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded 120mH 8mA 5%
Datasheet
3,797In Stock
Min.: 1
Mult.: 1

RF Choke Radial Shielded 120 mH 5 % 8 mA 97 Ohms - 55 C + 105 C 100 90 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
2,290In Stock
Min.: 1
Mult.: 1

RF Choke Radial 14 mm x 10.5 mm Shielded 2.2 mH 5 % 60 mA 5.2 Ohms - 55 C + 105 C 70 510 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
1,917In Stock
Min.: 1
Mult.: 1

RF Choke Radial Shielded 3.3 mH 5 % 50 mA 6.1 Ohms - 55 C + 105 C 100 440 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
1,160In Stock
Min.: 1
Mult.: 1

RF Choke Radial Shielded 1 mH 5 % 90 mA 3.4 Ohms - 55 C + 105 C 70 770 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
45In Stock
1,000Expected 21/12/2026
Min.: 1
Mult.: 1

RF Choke Radial Shielded 10 mH 5 % 25 mA 12.1 Ohms - 55 C + 105 C 100 250 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded 15,000 uH 22mA
Datasheet
767In Stock
Min.: 1
Mult.: 1

RF Choke Radial Shielded 15 mH 5 % 22 mA 15 Ohms - 55 C + 105 C 100 220 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
236In Stock
Min.: 1
Mult.: 1

RF Choke Radial Shielded 1.8 mH 5 % 65 mA 4.5 Ohms - 55 C + 105 C 70 570 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded 18,000 uH 21mA
Datasheet
501In Stock
Min.: 1
Mult.: 1

RF Choke Radial Shielded 18 mH 5 % 21 mA 17 Ohms - 55 C + 105 C 100 190 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
613In Stock
1,000Expected 17/12/2026
Min.: 1
Mult.: 1

RF Choke Radial Shielded 22 mH 5 % 20 mA 19.5 Ohms - 55 C + 105 C 100 190 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded 33,000 uH 17mA
Datasheet
337In Stock
Min.: 1
Mult.: 1

RF Choke Radial Shielded 33 mH 5 % 17 mA 26 Ohms - 55 C + 105 C 100 160 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
572In Stock
Min.: 1
Mult.: 1

RF Choke Radial Shielded 4.7 mH 5 % 40 mA 7.5 Ohms - 55 C + 105 C 100 380 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded 47,000 uH 13mA
Datasheet
614In Stock
1,000Expected 09/11/2026
Min.: 1
Mult.: 1

RF Choke Radial Shielded 47 mH 5 % 13 mA 52 Ohms - 55 C + 105 C 100 120 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
94In Stock
Min.: 1
Mult.: 1

RF Choke Radial 14 mm x 10.5 mm Shielded 6.8 mH 5 % 35 mA 9.7 Ohms - 55 C + 105 C 100 320 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
716In Stock
Min.: 1
Mult.: 1

RF Choke Radial 14 mm x 10.5 mm Shielded 68 mH 5 % 11 mA 67 Ohms - 55 C + 105 C 100 90 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
381In Stock
Min.: 1
Mult.: 1

RF Choke Radial Shielded 82 mH 5 % 10 mA 71 Ohms - 55 C + 105 C 100 90 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1,000
Mult.: 100

Radial Shielded 1.2 mH 5 % 75 mA 3.7 Ohms - 55 C + 105 C 70 700 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1,000
Mult.: 100

RF Choke Radial Shielded 12 mH 5 % 25 mA 13 Ohms - 55 C + 105 C 100 220 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1,000
Mult.: 100

Radial 1.5 mH 5 % 70 mA 4 Ohms - 55 C + 105 C 70 640 kHz Standard PCB Mount 14 mm 10.5 mm RL181S Bulk
Bourns RF inductors - Leaded Inductor, Radial
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1,000
Mult.: 100

RF Choke Radial 14 mm x 10.5 mm Shielded 2.7 mH 5 % 55 mA 5.8 Ohms - 55 C + 105 C 70 480 kHz Standard PCB Mount 14 mm 10.5 mm Ferrite RL181S Bulk