RF Capacitors:

4,488 Products Found
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:
  1. Lowest possible Equivalent Series Resistance (ESR) at RF frequencies
  2. High Q at RF frequencies
  3. Minimal capacitance change with temperature
  4. 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:
  1. RF power amplifiers (PA)
  2. Cellular base stations (4G, 5G)
  3. Wireless LAN
  4. Telecommunication Networks
  5. GPS
  6. Keyless entry systems
  7. Bluetooth
  8. 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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4166741RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
Rs.3.840
2500+
Rs.3.140
5000+
Rs.2.530
10000+
Rs.1.920
Min: 500 / Mult: 10
8.2pF
-
-
50V
0402 [1005 Metric]
HiQ CQ Series
± 0.25pF
C0G / NP0
125°C
1mm
-
0.5mm
Wraparound
-55°C
-
-
4166839

RoHS

Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
10+
Rs.8.410
100+
Rs.6.300
500+
Rs.5.670
1000+
Rs.5.300
2000+
Rs.4.930
More Pricing...
Min: 10 / Mult: 10
12pF
-
-
50V
0603 [1608 Metric]
HiQ CQ Series
± 5%
C0G / NP0
125°C
1.6mm
-
0.8mm
Wraparound
-55°C
-
-
4166739

RoHS

Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
10+
Rs.4.530
100+
Rs.2.790
500+
Rs.2.440
2500+
Rs.1.490
5000+
Rs.1.470
Min: 10 / Mult: 10
5.6pF
-
-
50V
0402 [1005 Metric]
HiQ CQ Series
± 0.25pF
C0G / NP0
125°C
1mm
-
0.5mm
Wraparound
-55°C
-
-
4166791RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
Rs.12.110
1000+
Rs.11.160
2000+
Rs.9.770
4000+
Rs.8.370
Min: 500 / Mult: 10
2.7pF
-
-
50V
0603 [1608 Metric]
HiQ CQ Series
± 0.1pF
C0G / NP0
125°C
1.6mm
-
0.8mm
SMD
-55°C
-
-
4166821RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
Rs.10.350
500+
Rs.9.330
1000+
Rs.8.710
2000+
Rs.8.100
4000+
Rs.6.990
Min: 100 / Mult: 10
8.5pF
-
-
50V
0603 [1608 Metric]
HiQ CQ Series
± 0.25pF
C0G / NP0
125°C
1.6mm
-
0.8mm
SMD
-55°C
-
-
4166856RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
Rs.14.720
500+
Rs.13.260
1000+
Rs.12.380
2000+
Rs.11.520
4000+
Rs.9.930
Min: 100 / Mult: 10
47pF
-
-
250V
0603 [1608 Metric]
HiQ CQ Series
± 5%
C0G / NP0
125°C
1.6mm
-
0.8mm
SMD
-55°C
-
-
4166666RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
Rs.1.790
2500+
Rs.1.310
7500+
Rs.1.290
Min: 500 / Mult: 10
4.7pF
-
-
50V
0201 [0603 Metric]
HiQ CQ Series
± 0.1pF
C0G / NP0
125°C
0.6mm
-
0.3mm
SMD
-55°C
-
-
4166677RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
Rs.3.840
2500+
Rs.3.140
7500+
Rs.2.490
15000+
Rs.1.840
Min: 500 / Mult: 10
2.2pF
-
-
25V
0201 [0603 Metric]
HiQ CQ Series
± 0.25pF
C0G / NP0
125°C
0.6mm
-
0.3mm
Wraparound
-55°C
-
-
4166678

RoHS

Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
10+
Rs.4.710
100+
Rs.2.880
500+
Rs.2.530
2500+
Rs.1.490
7500+
Rs.1.470
Min: 10 / Mult: 10
2.7pF
-
-
25V
0201 [0603 Metric]
HiQ CQ Series
± 0.25pF
C0G / NP0
125°C
0.6mm
-
0.3mm
SMD
-55°C
-
-
4166657RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
Rs.2.360
2500+
Rs.1.400
7500+
Rs.1.140
15000+
Rs.0.874
Min: 500 / Mult: 10
0.7pF
-
-
25V
0201 [0603 Metric]
HiQ CQ Series
± 0.1pF
C0G / NP0
125°C
0.6mm
-
0.3mm
Wraparound
-55°C
-
-
4255950RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
Rs.2.360
2500+
Rs.1.400
7500+
Rs.1.140
15000+
Rs.0.874
Min: 500 / Mult: 10
1.1pF
-
-
25V
0201 [0603 Metric]
HiQ CQ Series
± 0.1pF
C0G / NP0
125°C
0.6mm
-
0.3mm
Standard Terminal
-55°C
-
-
4255954RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
Rs.2.530
2500+
Rs.1.570
7500+
Rs.1.540
Min: 500 / Mult: 1
2.7pF
-
-
25V
0201 [0603 Metric]
HiQ CQ Series
± 0.1pF
C0G / NP0
125°C
0.6mm
-
0.3mm
Standard Terminal
-55°C
-
-
4166807RL

RoHS

Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
100+
Rs.9.340
500+
Rs.8.420
1000+
Rs.7.850
2000+
Rs.7.310
4000+
Rs.6.300
Min: 100 / Mult: 10
2.2pF
-
-
250V
0603 [1608 Metric]
HiQ CQ Series
± 0.1pF
C0G / NP0
125°C
1.6mm
-
0.8mm
Wraparound
-55°C
-
-
4166819RL

RoHS

Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
100+
Rs.14.290
500+
Rs.11.840
1000+
Rs.10.610
2000+
Rs.9.800
4000+
Rs.9.140
Min: 100 / Mult: 10
6pF
-
-
50V
0603 [1608 Metric]
HiQ CQ Series
± 0.25pF
C0G / NP0
125°C
1.6mm
-
0.8mm
SMD
-55°C
-
-
4166771RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
Rs.3.840
2500+
Rs.2.360
5000+
Rs.2.100
10000+
Rs.1.840
Min: 500 / Mult: 10
22pF
-
-
50V
0402 [1005 Metric]
HiQ CQ Series
± 5%
C0G / NP0
125°C
1mm
-
0.5mm
Wraparound
-55°C
-
-
4255965RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
Rs.4.360
2500+
Rs.2.620
5000+
Rs.2.570
Min: 500 / Mult: 10
3pF
-
-
50V
0402 [1005 Metric]
HiQ CQ Series
± 0.05pF
C0G / NP0
125°C
1mm
-
0.5mm
Standard Terminal
-55°C
-
-
4166770RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
Rs.3.580
2500+
Rs.2.190
5000+
Rs.2.150
Min: 500 / Mult: 10
18pF
-
-
50V
0402 [1005 Metric]
HiQ CQ Series
± 5%
C0G / NP0
125°C
1mm
-
0.5mm
Wraparound
-55°C
-
-
4166892

RoHS

Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
10+
Rs.39.100
100+
Rs.28.230
500+
Rs.22.740
1000+
Rs.21.000
2000+
Rs.20.580
Min: 10 / Mult: 10
12pF
-
-
250V
0805 [2012 Metric]
HiQ CQ Series
± 5%
C0G / NP0
125°C
2.01mm
-
1.25mm
SMD
-55°C
-
-
4255971RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
Rs.2.530
2500+
Rs.1.490
5000+
Rs.1.360
10000+
Rs.1.230
Min: 500 / Mult: 10
0.6pF
-
-
50V
0402 [1005 Metric]
HiQ CQ Series
± 0.1pF
C0G / NP0
125°C
1mm
-
0.5mm
Standard Terminal
-55°C
-
-
4166627RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
Rs.5.490
2500+
Rs.3.580
7500+
Rs.3.230
15000+
Rs.2.880
Min: 500 / Mult: 10
0.6pF
-
-
25V
0201 [0603 Metric]
HiQ CQ Series
± 0.05pF
C0G / NP0
125°C
0.6mm
-
0.3mm
Wraparound
-55°C
-
-
4166689

RoHS

Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
10+
Rs.5.140
100+
Rs.3.050
500+
Rs.2.790
2500+
Rs.1.660
7500+
Rs.1.450
More Pricing...
Min: 10 / Mult: 10
3.9pF
-
-
50V
0201 [0603 Metric]
HiQ CQ Series
± 0.25pF
C0G / NP0
125°C
0.6mm
-
0.3mm
SMD
-55°C
-
-
4166626RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
Rs.2.620
2500+
Rs.1.660
7500+
Rs.1.490
15000+
Rs.1.310
Min: 500 / Mult: 10
0.3pF
-
-
25V
0201 [0603 Metric]
HiQ CQ Series
± 0.05pF
C0G / NP0
125°C
0.6mm
-
0.3mm
Wraparound
-55°C
-
-
4166657

RoHS

Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
10+
Rs.4.450
100+
Rs.2.710
500+
Rs.2.360
2500+
Rs.1.400
7500+
Rs.1.140
More Pricing...
Min: 10 / Mult: 10
0.7pF
-
-
25V
0201 [0603 Metric]
HiQ CQ Series
± 0.1pF
C0G / NP0
125°C
0.6mm
-
0.3mm
Wraparound
-55°C
-
-
4255979RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
Rs.3.930
2500+
Rs.2.360
5000+
Rs.2.100
10000+
Rs.1.840
Min: 500 / Mult: 10
30pF
-
-
50V
0402 [1005 Metric]
HiQ CQ Series
± 5%
C0G / NP0
125°C
1mm
-
0.5mm
Standard Terminal
-55°C
-
-
4166739RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
Rs.2.440
2500+
Rs.1.490
5000+
Rs.1.470
Min: 500 / Mult: 10
5.6pF
-
-
50V
0402 [1005 Metric]
HiQ CQ Series
± 0.25pF
C0G / NP0
125°C
1mm
-
0.5mm
Wraparound
-55°C
-
-
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