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RF Capacitors: 4,888 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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2134047

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Date/Lot Code

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€0.264
50+
€0.205
100+
€0.146
250+
€0.143
500+
€0.140
220pF
50VDC
50V
0603 [1608 Metric]
VJ HIFREQ
± 10%
C0G / NP0
125°C
0603 [1608 Metric]
1.6mm
0.85mm
SMD
-55°C
-
-
1885453

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€0.243
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€0.143
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€0.131
1000+
€0.118
2000+
€0.107
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180pF
250V
-
-
-
-
-
125°C
-
-
-
-
-
-
-
1885452

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€0.258
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€0.150
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€0.137
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€0.124
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€0.112
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150pF
250V
-
-
S
± 5%
-
125°C
0805 [2012 Metric]
-
-
-
-
-
-
2310371RL

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Each (Supplied on Cut Tape)
Re-Reel
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500+
€0.026
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€0.016
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€0.014
10000+
€0.012
50000+
€0.009
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1.2pF
50VDC
-
-
MCRF
± 0.1pF
-
125°C
0402 [1005 Metric]
-
-
-
-
-
-
1885320

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€0.174
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€0.104
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€0.083
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€0.078
5000+
€0.071
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5.1pF
50VDC
-
-
S
± 0.1pF
-
125°C
0402 [1005 Metric]
-
-
-
-
-
-
2809374

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Each (Supplied on Cut Tape)
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€0.554
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€0.481
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€0.408
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€0.335
1000+
€0.288
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27pF
250V
-
-
HiQ-CBR Series
± 1%
-
125°C
0603 [1608 Metric]
-
-
-
-
-
-
2809732

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Each (Supplied on Cut Tape)
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€0.114
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€0.074
500+
€0.068
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€0.062
2000+
€0.058
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1.1pF
50VDC
-
-
HiQ-CBR Series
± 0.1pF
-
125°C
0402 [1005 Metric]
-
-
-
-
-
-
2612613RL

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500+
€0.032
1000+
€0.027
2000+
€0.023
10000+
€0.020
20000+
€0.019
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2.7pF
50VDC
-
-
HiQ-CBR Series
± 0.1pF
-
125°C
0402 [1005 Metric]
-
-
-
-
-
-
2773393

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€0.179
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€0.109
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€0.098
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€0.087
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€0.076
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22pF
-
-
-
HiQ-CBR Series
± 1%
-
125°C
0402 [1005 Metric]
-
-
-
-
-
-
1885282

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Each (Supplied on Cut Tape)
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€0.082
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€0.047
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€0.037
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€0.032
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€0.030
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33pF
25V
-
-
S
± 5%
-
125°C
0402 [1005 Metric]
-
-
-
-
-
-
2134064

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Each (Supplied on Cut Tape)
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1+
€0.247
50+
€0.196
100+
€0.144
250+
€0.141
500+
€0.138
200pF
250V
250V
-
VJ HIFREQ
± 10%
-
125°C
0805 [2012 Metric]
2.01mm
1.25mm
-
-55°C
-
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1973026

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Each (Supplied on Cut Tape)
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€0.056
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€0.032
500+
€0.028
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€0.025
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€0.020
16pF
50VDC
-
-
HiQ-CBR Series
± 5%
-
125°C
0402 [1005 Metric]
-
-
-
-
-
-
2310361

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Each (Supplied on Cut Tape)
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€0.123
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€0.0639
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€0.0454
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€0.024
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€0.0218
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0.5pF
50VDC
-
-
MCRF
± 0.05pF
-
125°C
0402 [1005 Metric]
-
-
-
-
-
-
1885291

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€0.108
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€0.064
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€0.050
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€0.045
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€0.041
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0.6pF
50VDC
-
-
-
-
-
125°C
-
-
-
-
-
-
-
1885464

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€0.982
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€0.859
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€0.712
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€0.638
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€0.589
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470pF
200V
-
-
-
-
-
125°C
-
-
-
-
-
-
-
1885457

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Each (Supplied on Cut Tape)
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5+
€1.120
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€0.862
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€0.775
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€0.688
1000+
€0.607
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1000pF
50VDC
-
-
-
-
-
125°C
-
-
-
-
-
-
-
2420116

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€1.030
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€0.875
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€0.719
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€0.696
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€0.673
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1pF
1.5kV
-
-
QUAD HIFREQ
± 0.1pF
-
125°C
1111 [2828 Metric]
-
-
-
-
-
-
1885437

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10+
€0.234
100+
€0.138
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€0.126
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€0.113
2000+
€0.102
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22pF
250V
-
-
S
± 5%
-
125°C
0805 [2012 Metric]
-
-
-
-
-
-
2134018

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Each (Supplied on Cut Tape)
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1+
€0.288
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€0.232
100+
€0.175
250+
€0.172
500+
€0.168
1.5pF
250V
250V
0603 [1608 Metric]
VJ HIFREQ
± 0.1pF
C0G / NP0
125°C
0603 [1608 Metric]
1.6mm
0.85mm
SMD
-55°C
-
-
2420146

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Each (Supplied on Cut Tape)
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1+
€0.790
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€0.700
100+
€0.608
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€0.568
500+
€0.528
47pF
1.5kV
-
-
QUAD HIFREQ
± 5%
-
125°C
1111 [2828 Metric]
-
-
-
-
-
-
1885342

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Each (Supplied on Cut Tape)
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10+
€0.158
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€0.095
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€0.075
2500+
€0.068
5000+
€0.063
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18pF
50VDC
-
-
S
± 2%
-
125°C
0402 [1005 Metric]
-
-
-
-
-
-
2809408

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Date/Lot Code

Each (Supplied on Cut Tape)
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€0.302
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€0.196
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€0.173
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€0.150
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€0.143
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11pF
50VDC
-
-
HiQ-CBR Series
± 1%
-
125°C
0201 [0603 Metric]
-
-
-
-
-
-
2809664

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
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10+
€0.069
100+
€0.039
500+
€0.035
1000+
€0.031
2000+
€0.025
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0.1pF
50VDC
-
-
HiQ-CBR Series
± 0.1pF
-
125°C
0201 [0603 Metric]
-
-
-
-
-
-
7568177

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Date/Lot Code

Each (Supplied on Cut Tape)
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10+
€0.137
250+
€0.106
1000+
€0.0711
5000+
€0.067
14000+
€0.0657
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1.5pF
200V
-
-
-
-
-
125°C
-
-
-
-
-
-
-
2310299

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Each (Supplied on Cut Tape)
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Packaging Options
10+
€0.0447
100+
€0.0284
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€0.0202
2500+
€0.0125
5000+
€0.0103
1pF
50VDC
-
-
MCHH
± 0.25pF
-
125°C
0402 [1005 Metric]
-
-
-
-
-
-
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