Air Capacitors

Johanson Manufacturing / Knowles Air Capacitors feature long rotational life and >106MΩ insulation resistance. These capacitors also feature a one-piece self-locking constant drive mechanism. The mechanism utilizes transverse slots to create a spring effect between two threaded sections resulting in substantial contact areas. These substantial contact areas ensure uniform torque, high Q, and low dynamic tuning noise. The air capacitors operate at -65°C to 125°C temperature range and are RoHS-compliant. These capacitors are used in filter tuning, crystal trimming, RF amplifiers, impedance matching, interstage coupling, and oscillators.

Results: 53
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Capacitance Range Voltage Rating Termination Style Length Width Type Diameter Height Minimum Operating Temperature Maximum Operating Temperature Series Packaging
Knowles Johanson Manufacturing Trimmer/Variable Capacitors AIR CAPR 143In Stock
Rp1.046.639
Rp768.147
Rp750.351
Rp734.207
Min.: 1
Mult.: 1
Air Capacitors Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors AIR CAPR 188In Stock
Rp970.320
Rp758.974
Rp726.318
Rp696.598
Min.: 1
Mult.: 1
Air Capacitors Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors AIR CAPR 38In Stock
80Expected 09/10/2026
Rp1.279.817
Rp1.031.963
Rp967.201
Rp948.488
Min.: 1
Mult.: 1
Air Capacitors Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors AIR CAPR 92In Stock
Rp993.436
Rp777.137
Rp743.563
Rp715.311
Min.: 1
Mult.: 1
Air Capacitors Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors AIR CAPR 69In Stock
Rp981.144
Rp789.245
Rp750.351
Rp736.042
Min.: 1
Mult.: 1
Air Capacitors Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors AIR CAPR (1.5-14 PF) 196In Stock
Rp1.125.527
Rp894.918
Rp852.722
Rp839.880
Min.: 1
Mult.: 1
Air Capacitors Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors .8~10PF 250V 348In Stock
Rp1.146.075
Rp949.589
Rp862.996
Rp852.722
Min.: 1
Mult.: 1
0.8 pF to 10 pF Through Hole Air Trimmer Capacitor - 65 C + 125 C Air Trimmer Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors ECO-TRIM 15In Stock
Rp988.666
Rp773.467
Rp680.270
Min.: 1
Mult.: 1
Air Capacitors Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors ECO-TRIM 10In Stock
Rp988.666
Rp773.467
Rp680.270
Min.: 1
Mult.: 1
Air Capacitors Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors Air Capacitor 10In Stock
Rp970.320
Rp758.974
Rp668.528
Min.: 1
Mult.: 1
Air Capacitors Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors AIR CAPR, RoHS 45In Stock
Rp744.664
Rp585.788
Rp553.499
Rp541.757
Min.: 1
Mult.: 1
Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors AIR TRIMMER CAPACITOR 106In Stock
Rp969.953
Rp779.705
Rp773.100
Rp741.545
Min.: 1
Mult.: 1
Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors AIR CAPR 96In Stock
Rp982.795
Rp790.713
Rp784.842
Rp737.509
Min.: 1
Mult.: 1
1 pF to 20 pF 250 V Through Hole 0.49 in 0.28 in 0.28 in 0.49 in - 65 C + 125 C Air Trimmer Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors AIR CAPR 133In Stock
Rp982.795
Rp790.713
Rp751.819
Min.: 1
Mult.: 1
1 pF to 20 pF Wire Air Trimmer Capacitor - 65 C + 125 C Air Trimmer Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors 1PF - 30PF 250V 96In Stock
310On Order
Cut Tape
Rp1.101.861
Rp895.468
Reel
Rp895.468
Rp861.712
Rp841.714
Min.: 1
Mult.: 1
: 20
1 pF to 30 pF Wire Air Trimmer Capacitor - 65 C + 125 C Air Capacitors Reel, Cut Tape
Knowles Johanson Manufacturing Trimmer/Variable Capacitors AIR CAPR 8In Stock
Rp989.033
Rp782.273
Rp746.132
Rp722.832
Min.: 1
Mult.: 1
0.8 pF to 10 pF Through Hole 12.954 mm (0.51 in) Air Trimmer Capacitor 7.493 mm - 65 C + 125 C Air Capacitors Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors 0.6 - 6.0PF 250V 7In Stock
Rp744.664
Rp585.788
Rp553.499
Rp541.757
Min.: 1
Mult.: 1
0.8 pF to 10 pF Wire Air Trimmer Capacitor - 65 C + 125 C Air Capacitors Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors AIR CAPR 1In Stock
Rp971.788
Rp768.147
Rp732.556
Rp709.623
Min.: 1
Mult.: 1
Air Capacitors Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors AIR CAPR 19In Stock
Cut Tape
Rp969.953
Rp779.705
Reel
Rp779.705
Rp741.178
Rp726.869
Min.: 1
Mult.: 1
: 20
1 pF to 16 pF Through Hole Air Trimmer Capacitor - 65 C + 125 C Air Capacitors Reel, Cut Tape
Knowles Johanson Manufacturing Trimmer/Variable Capacitors AIR CAPR 4In Stock
Rp902.073
Rp760.075
Rp718.429
Rp681.737
Min.: 1
Mult.: 1
1 pF to 20 pF Through Hole Air Trimmer Capacitor - 65 C + 125 C Air Capacitors Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors AIR CAPR (0.6-3.5 PF)
19Expected 09/12/2026
Rp1.034.531
Rp709.807
Rp709.623
Min.: 1
Mult.: 1
0.6 pF to 3.5 pF Through Hole 12.065 mm (0.475 in) Air Trimmer Capacitor 4.064 mm - 65 C + 125 C Air Capacitors Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors ECO-TRIM Non-Stocked Lead-Time 9 Weeks
Rp988.666
Rp680.453
Rp680.270
Min.: 1
Mult.: 1
Air Capacitors Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors ECO-TRIM Non-Stocked Lead-Time 9 Weeks
Rp988.666
Rp773.467
Rp714.393
Rp711.825
Min.: 1
Mult.: 1
Air Capacitors Bulk
Knowles Johanson Manufacturing Trimmer/Variable Capacitors CERA-TRIM, LEAD FREE,T&R, XPB4 Non-Stocked Lead-Time 9 Weeks
Cut Tape
Rp340.318
Rp257.945
Rp229.692
Rp216.483
Reel
Rp177.222
Min.: 1
Mult.: 1
: 500
SMD/SMT Ceramic Trimmer Capacitor - 65 C + 125 C Air Capacitors Reel, Cut Tape
Knowles Johanson Manufacturing Trimmer/Variable Capacitors CERA-TRIM, LEAD FREE,T&R, XPB4 Non-Stocked Lead-Time 9 Weeks
Reel
Rp181.992
Min.: 500
Mult.: 500
: 500
SMD/SMT Ceramic Trimmer Capacitor - 65 C + 125 C Air Capacitors Reel