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RF Capacitors

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Our range of RF capacitors offers capacitance values from 0.1pF to 0.1µF, and voltage ratings from 2V to 2.5kV.

What is an RF Capacitor?

An RF capacitor is a capacitor with material and design characteristics optimised for RF frequencies. The key characteristics are:

Lowest possible Equivalent Series Resistance (ESR) at RF frequencies
High Q at RF frequencies
Minimal capacitance change with temperature
High series resonant frequency (SRF)

What is an RF Capacitor used for?

RF capacitors are used for various functions such as DC blocking, bypass, filtering, and impedance matching. Common applications include the following:

RF power amplifiers (PA)
Cellular base stations (4G, 5G)
Wireless LAN
Telecommunication Networks
GPS
Keyless entry systems
Bluetooth
Automotive V2X, Safety Systems, Power Train, Communication Systems

What capacitors are best for RF?

Single layer capacitors (SLCs) are specifically designed for use in microwave and RF applications. This is because the inherent self-resonant frequency (SRF), which is the point where the capacitor will exhibit the least amount of impedance, of an SLC is the highest of any discrete lumped constant capacitor. Capacitors with a high SRF have low equivalent series resistance (ESR), which is the internal resistance in the capacitor that appears in series with the capacitance of the device.

This is important because, in general, ESR increases as frequency increases, so using a capacitor that has inherently low ESR is necessary. Additionally, since SLCs are formed monolithically, the number of mechanical parts in the SLC is limited, which also contributes to a lower ESR value.

One potential drawback of SLCs is that since they comprise just a single layer of material, capacitance is heavily dependent on the dielectric constant of the dielectric used, which limits the capacitance that can be achieved. Therefore, SLCs are mainly ideal for high-frequency, low-capacitance applications.

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Manufacturer Part No	Order Code	Description / Manufacturer	Price For	Price (Incl JCT)	Quantity	Capacitance	Voltage Rating	Voltage(DC)	Capacitor Case / Package	Product Range	Capacitance Tolerance	Dielectric Characteristic	Operating Temperature Max	Product Length	Capacitor Case Style	Product Width	Capacitor Terminals	Operating Temperature Min	Qualification	Automotive Qualification Standard
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QSCF201Q6R8B1GV001T	4388092 New product Data Sheet + RoHS	Capacitor, RF, 6.8 pF, 200 V, S Series, ± 0.1pF, 150 °C, 0402 [1005 Metric] JOHANSON TECHNOLOGY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥28.57 (¥31.43) 100+ ¥19.01 (¥20.91) 500+ ¥16.84 (¥18.52) 2500+ ¥15.27 (¥16.80) 5000+ ¥14.19 (¥15.61) 10000+ ¥13.14 (¥14.45) 50000+ ¥11.58 (¥12.74) 100000+ ¥10.73 (¥11.80) More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	6.8pF	200V	-	-	S Series	± 0.1pF	-	150°C	-	0402 [1005 Metric]	-	-	-	-	-
CBR04C908B5GACAUTO	4062356 Data Sheet + RoHS	Capacitor, RF, 0.9 pF, 50 V, HiQ-CBR Series, ± 0.1pF, 125 °C, 0402 [1005 Metric] KEMET You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥10.98 (¥12.08) 100+ ¥6.43 (¥7.07) 500+ ¥6.04 (¥6.64) 1000+ ¥5.65 (¥6.22) 2000+ ¥4.95 (¥5.45) 10000+ ¥4.24 (¥4.66) 20000+ ¥4.08 (¥4.49) 40000+ ¥4.00 (¥4.40) More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.9pF	50V	-	-	HiQ-CBR Series	0.1pF	-	125°C	-	0402 [1005 Metric]	-	-	-	-	AEC-Q200
CBR04C159A5GAC	4552069 New product Data Sheet + RoHS	Capacitor, RF, 1.5 pF, 50 V, HiQ-CBR Series, ± 0.05pF, 125 °C, 0402 [1005 Metric] KEMET You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥19.69 (¥21.66) 100+ ¥13.58 (¥14.94) 500+ ¥12.10 (¥13.31) 1000+ ¥11.57 (¥12.73) 2000+ ¥10.44 (¥11.48) 10000+ ¥9.31 (¥10.24) 20000+ ¥8.65 (¥9.52) 40000+ ¥8.27 (¥9.10) More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	1.5pF	50V	-	-	HiQ-CBR Series	± 0.05pF	-	125°C	-	0402 [1005 Metric]	-	-	-	-	-
QSCP251Q101G1GV001T	4388548 New product Data Sheet + RoHS	HI-Q MLCC 0603,100PF,+/-2PERCENTAGE JOHANSON TECHNOLOGY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥59.14 (¥65.05) 100+ ¥39.35 (¥43.29) 500+ ¥34.84 (¥38.32) 1000+ ¥31.61 (¥34.77) 2000+ ¥29.38 (¥32.32) 4000+ ¥27.19 (¥29.91) 20000+ ¥23.97 (¥26.37) 40000+ ¥22.21 (¥24.43) More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MC18FA471J-F	4337506 Data Sheet + RoHS	RF/MICROWAVE CAPACITOR 470PF, 100V, 1812 5% CORNELL DUBILIER You previously purchased this product. View in Order History	Each	1+ ¥650.52 (¥715.57) 2+ ¥601.93 (¥662.12) 3+ ¥553.34 (¥608.67) 5+ ¥504.75 (¥555.23) 10+ ¥456.15 (¥501.77) 20+ ¥442.14 (¥486.35) 50+ ¥432.62 (¥475.88) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

QSCP251Q1R1A1GV001T	4388158 New product Data Sheet + RoHS	HI-Q MLCC 0603,1.1PF,+/-0.05 JOHANSON TECHNOLOGY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥30.58 (¥33.64) 100+ ¥20.34 (¥22.37) 500+ ¥18.01 (¥19.81) 1000+ ¥16.34 (¥17.97) 2000+ ¥15.19 (¥16.71) 4000+ ¥14.06 (¥15.47) 20000+ ¥12.39 (¥13.63) 40000+ ¥11.48 (¥12.63) More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

CBR04C100J5GACAUTO	4062372 Data Sheet + RoHS	Capacitor, RF, 10 pF, 50 V, HiQ-CBR Series, ± 5%, 125 °C, 0402 [1005 Metric] KEMET You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥11.76 (¥12.94) 100+ ¥6.90 (¥7.59) 500+ ¥6.51 (¥7.16) 1000+ ¥6.12 (¥6.73) 2000+ ¥5.34 (¥5.87) 10000+ ¥4.55 (¥5.01) 20000+ ¥4.39 (¥4.83) 40000+ ¥4.31 (¥4.74) More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	10pF	50V	-	-	HiQ-CBR Series	5%	-	125°C	-	0402 [1005 Metric]	-	-	-	-	AEC-Q200

QSCF201Q4R3A1GV001T	4388188 New product Data Sheet + RoHS	Capacitor, RF, 4.3 pF, 200 V, S Series, ± 0.05pF, 150 °C, 0402 [1005 Metric] JOHANSON TECHNOLOGY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥71.43 (¥78.57) 100+ ¥47.52 (¥52.27) 500+ ¥42.08 (¥46.29) 2500+ ¥38.18 (¥42.00) 5000+ ¥35.48 (¥39.03) 10000+ ¥32.84 (¥36.12) 50000+ ¥28.94 (¥31.83) 100000+ ¥26.82 (¥29.50) More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	4.3pF	200V	-	-	S Series	± 0.05pF	-	150°C	-	0402 [1005 Metric]	-	-	-	-	-

CBR06C180FAGAC	4552074 New product Data Sheet + RoHS	Capacitor, RF, C0G / NP0, 18 pF, 250 V, HiQ-CBR Series, ± 1%, 125 °C, 0603 [1608 Metric] KEMET You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥97.64 (¥107.40) 50+ ¥85.37 (¥93.91) 100+ ¥69.55 (¥76.51) 500+ ¥56.92 (¥62.61) 1000+ ¥49.01 (¥53.91) 2000+ ¥48.03 (¥52.83) More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	18pF	250V	-	-	HiQ-CBR Series	± 1%	-	125°C	-	0603 [1608 Metric]	-	-	-	-	-

QSCT251Q1R0A1GV001E	4397879 New product Data Sheet + RoHS	Capacitor, RF, 1 pF, 250 VDC, S Series, ± 0.05pF, 125 °C, 0805 [2012 Metric] JOHANSON TECHNOLOGY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥92.88 (¥102.17) 100+ ¥61.79 (¥67.97) 500+ ¥54.72 (¥60.19) 1000+ ¥49.64 (¥54.60) 2000+ ¥46.13 (¥50.74) 4000+ ¥42.70 (¥46.97) 20000+ ¥37.63 (¥41.39) 40000+ ¥34.87 (¥38.36) More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	1pF	250VDC	-	-	S Series	± 0.05pF	-	125°C	-	0805 [2012 Metric]	-	-	-	-	AEC-Q200

QSCP251Q4R3B1GV001T	4388607 New product Data Sheet + RoHS	HI-Q MLCC 0603,4.3PF,+/-0.1 JOHANSON TECHNOLOGY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥20.81 (¥22.89) 100+ ¥13.85 (¥15.24) 500+ ¥12.26 (¥13.49) 1000+ ¥11.12 (¥12.23) 2000+ ¥10.34 (¥11.37) 4000+ ¥9.57 (¥10.53) 20000+ ¥8.44 (¥9.28) 40000+ ¥7.82 (¥8.60) More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

251R14S6R2CV4T	1885387 Data Sheet + RoHS	Capacitor, RF, High-Q, 6.2 pF, 250 V, S Series, ± 0.25pF, 125 °C, 0603 [1608 Metric] JOHANSON TECHNOLOGY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥20.07 (¥22.08) 100+ ¥12.07 (¥13.28) 500+ ¥11.29 (¥12.42) 1000+ ¥10.51 (¥11.56) 2000+ ¥9.81 (¥10.79) 4000+ ¥9.10 (¥10.01) 20000+ ¥8.16 (¥8.98) 40000+ ¥7.69 (¥8.46) More Pricing...	Restricted Item	6.2pF	250V	-	-	S Series	0.25pF	-	125°C	-	0603 [1608 Metric]	-	-	-	-	-

MCHH15N1R8B500CT	2310304 Data Sheet + RoHS	Capacitor, RF, Low ESR, 1.8 pF, 50 V, MCHH Series, ± 0.1pF, 125 °C, 0402 [1005 Metric] MULTICOMP PRO You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥2.72 (¥2.99) 100+ ¥2.71 (¥2.98) 500+ ¥2.48 (¥2.73) 2500+ ¥2.30 (¥2.53) 5000+ ¥2.17 (¥2.39)	Restricted Item	1.8pF	50V	-	-	MCHH Series	0.1pF	-	125°C	-	0402 [1005 Metric]	-	-	-	-	-

CBR06C199B5GAC	2809571 Data Sheet + RoHS	Capacitor, RF, C0G / NP0, 1.9 pF, 50 V, HiQ-CBR Series, ± 0.1pF, 125 °C, 0603 [1608 Metric] KEMET You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥18.80 (¥20.68) 100+ ¥10.49 (¥11.54) 500+ ¥9.50 (¥10.45) 1000+ ¥8.31 (¥9.14) 2000+ ¥7.52 (¥8.27) 4000+ ¥6.53 (¥7.18) 20000+ ¥5.94 (¥6.53) 40000+ ¥5.54 (¥6.09) More Pricing...	Restricted Item	1.9pF	50V	-	-	HiQ-CBR Series	0.1pF	-	125°C	-	0603 [1608 Metric]	-	-	-	-	-

CBR06C669B5GAC	2809537 Data Sheet + RoHS	Capacitor, RF, C0G / NP0, 6.6 pF, 50 V, HiQ-CBR Series, ± 0.1pF, 125 °C, 0603 [1608 Metric] KEMET You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥31.46 (¥34.61) 100+ ¥16.03 (¥17.63) 500+ ¥10.87 (¥11.96) 1000+ ¥9.80 (¥10.78) 2000+ ¥9.09 (¥10.00) 4000+ ¥8.37 (¥9.21) 20000+ ¥8.22 (¥9.04) 40000+ ¥8.04 (¥8.84) More Pricing...	Restricted Item	6.6pF	50V	-	-	HiQ-CBR Series	0.1pF	-	125°C	-	0603 [1608 Metric]	-	-	-	-	-

CBR06C680F5GAC	2809423 Data Sheet + RoHS	Capacitor, RF, C0G / NP0, 68 pF, 50 V, HiQ-CBR Series, ± 1%, 125 °C, 0603 [1608 Metric] KEMET You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥98.29 (¥108.12) 50+ ¥89.20 (¥98.12) 100+ ¥80.10 (¥88.11) 500+ ¥65.53 (¥72.08) 1000+ ¥56.43 (¥62.07) 2000+ ¥52.90 (¥58.19) 4000+ ¥49.36 (¥54.30) 8000+ ¥46.23 (¥50.85) More Pricing...	Restricted Item	68pF	50V	-	-	HiQ-CBR Series	1%	-	125°C	-	0603 [1608 Metric]	-	-	-	-	-

08052U220GAT2A	7568568 Data Sheet + RoHS	Capacitor, RF, Low ESR, 22 pF, 200 V, U Series, ± 2%, 125 °C, 0805 [2012 Metric] KYOCERA AVX You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥76.77 (¥84.45) 500+ ¥56.39 (¥62.03) 2500+ ¥47.09 (¥51.80) 10000+ ¥46.10 (¥50.71) 16000+ ¥45.11 (¥49.62)	Restricted Item	22pF	200V	-	-	U Series	2%	-	125°C	-	0805 [2012 Metric]	-	-	-	-	-

08052U2R7BAT2A	7568436 Data Sheet + RoHS	Capacitor, RF, Low ESR, 2.7 pF, 200 V, U Series, ± 0.1pF, 125 °C, 0805 [2012 Metric] KYOCERA AVX You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥47.49 (¥52.24) 250+ ¥40.76 (¥44.84) 1000+ ¥34.03 (¥37.43) 5000+ ¥25.13 (¥27.64) 15000+ ¥22.95 (¥25.25)	Restricted Item	2.7pF	200V	-	-	U Series	0.1pF	-	125°C	-	0805 [2012 Metric]	-	-	-	-	-

06032U6R8CAT2A	7568274 Data Sheet + RoHS	Capacitor, RF, Thin-Film, 6.8 pF, 200 V, U Series, ± 0.25pF, 125 °C, 0603 [1608 Metric] KYOCERA AVX You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥19.79 (¥21.77)	Restricted Item	6.8pF	200V	-	-	U Series	0.25pF	-	125°C	-	0603 [1608 Metric]	-	-	-	-	-

06032U100GAT2A	7568304 Data Sheet + RoHS	Capacitor, RF, Low ESR, 10 pF, 200 V, U Series, ± 2%, 125 °C, 0603 [1608 Metric] KYOCERA AVX You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥32.84 (¥36.12) 250+ ¥21.27 (¥23.40) 1000+ ¥20.85 (¥22.94) 5000+ ¥20.43 (¥22.47) 14000+ ¥20.00 (¥22.00)	Restricted Item	10pF	200V	-	-	U Series	2%	-	125°C	-	0603 [1608 Metric]	-	-	-	-	-

08052U3R9BAT2A	7568460 Data Sheet + RoHS	Capacitor, RF, Low ESR, 3.9 pF, 200 V, U Series, ± 0.1pF, 125 °C, 0805 [2012 Metric] KYOCERA AVX You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ ¥28.10 (¥30.91) 500+ ¥27.90 (¥30.69) 2500+ ¥27.70 (¥30.47) 10000+ ¥27.50 (¥30.25) 16000+ ¥27.31 (¥30.04) 32000+ ¥27.11 (¥29.82) 160000+ ¥26.91 (¥29.60) 320000+ ¥26.71 (¥29.38) More Pricing...	Restricted Item	3.9pF	200V	-	-	U Series	0.1pF	-	125°C	-	0805 [2012 Metric]	-	-	-	-	-