RF Capacitors:

4,459 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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2809545RL

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Each (Supplied on Cut Tape)
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500+
HK$0.455
1000+
HK$0.429
2000+
HK$0.396
4000+
HK$0.363
20000+
HK$0.326
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Min: 500 / Mult: 10
7.6pF
-
50V
-
-
HiQ-CBR Series
± 0.1pF
-
125°C
-
0603 [1608 Metric]
-
-
-
-
-
2809630RL

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100+
HK$0.535
1000+
HK$0.496
10000+
HK$0.289
15000+
HK$0.266
45000+
HK$0.252
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Min: 500 / Mult: 10
2.9pF
-
50V
-
-
HiQ-CBR Series
± 0.1pF
-
125°C
-
0201 [0603 Metric]
-
-
-
-
-
3243173RL

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500+
HK$0.124
2500+
HK$0.083
7500+
HK$0.082
Min: 500 / Mult: 10
1pF
-
-
25V
0201 [0603 Metric]
GJM Series
± 0.1pF
C0G / NP0
125°C
0.6mm
-
0.3mm
Wraparound
-55°C
-
-
2809682RL

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100+
HK$0.445
1000+
HK$0.392
10000+
HK$0.208
20000+
HK$0.193
100000+
HK$0.171
Min: 500 / Mult: 10
7.3pF
-
50V
-
-
HiQ-CBR Series
± 0.1pF
-
125°C
-
0402 [1005 Metric]
-
-
-
-
-
2809365RL

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100+
HK$5.360
500+
HK$5.250
1000+
HK$5.140
2000+
HK$5.030
4000+
HK$4.920
More Pricing...
Min: 100 / Mult: 10
9.3pF
-
250V
-
-
HiQ-CBR Series
± 0.1pF
-
125°C
-
0603 [1608 Metric]
-
-
-
-
-
3243238

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10+
HK$0.588
100+
HK$0.362
500+
HK$0.336
2500+
HK$0.236
5000+
HK$0.232
Min: 10 / Mult: 10
47pF
-
-
50V
0402 [1005 Metric]
GJM Series
± 2%
C0G / NP0
125°C
1.02mm
-
0.5mm
Wraparound
-55°C
-
-
2809394RL

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100+
HK$2.230
500+
HK$1.860
1000+
HK$1.570
2000+
HK$1.540
4000+
HK$1.510
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Min: 100 / Mult: 10
4.6pF
-
250V
-
-
HiQ-CBR Series
± 0.1pF
-
125°C
-
0603 [1608 Metric]
-
-
-
-
-
2809412RL

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100+
HK$2.200
500+
HK$2.030
1000+
HK$1.750
2000+
HK$1.640
4000+
HK$1.530
Min: 100 / Mult: 10
12pF
-
50V
-
-
HiQ-CBR Series
± 1%
-
125°C
-
0201 [0603 Metric]
-
-
-
-
-
3581300

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10+
HK$1.720
100+
HK$1.150
500+
HK$1.070
2500+
HK$0.993
5000+
HK$0.916
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Min: 10 / Mult: 10
0.8pF
-
-
50V
0402 [1005 Metric]
GCQ Series
± 0.05pF
C0G / NP0
125°C
1.02mm
-
0.5mm
Wraparound
-55°C
AEC-Q200
-
2809646RL

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500+
HK$0.444
1000+
HK$0.370
2000+
HK$0.301
15000+
HK$0.231
Min: 500 / Mult: 10
4.3pF
-
50V
-
-
HiQ-CBR Series
± 0.1pF
-
125°C
-
0201 [0603 Metric]
-
-
-
-
-
3296152

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Each (Supplied on Cut Tape)
Cut Tape
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5+
HK$9.050
50+
HK$5.870
250+
HK$4.210
500+
HK$4.140
1000+
HK$3.340
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Min: 5 / Mult: 5
470pF
-
630VDC
630V
1111 [2828 Metric]
VJ HIFREQ Series
± 10%
C0G / NP0
125°C
2.8mm
1111 [2828 Metric]
2.8mm
Wraparound
-55°C
-
-
3243269RL

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500+
HK$0.353
2500+
HK$0.219
5000+
HK$0.215
Min: 500 / Mult: 10
0.2pF
-
-
50V
0402 [1005 Metric]
GJM Series
± 0.05pF
C0G / NP0
125°C
1.02mm
-
0.5mm
Wraparound
-55°C
-
-
3346154

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Each (Supplied on Cut Tape)
Cut Tape
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10+
HK$0.198
100+
HK$0.124
500+
HK$0.116
2500+
HK$0.066
7500+
HK$0.065
Min: 10 / Mult: 10
10pF
-
-
25V
0201 [0603 Metric]
GJM Series
± 5%
C0G / NP0
125°C
0.6mm
-
0.3mm
Wraparound
-55°C
-
-
3346156

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Each (Supplied on Cut Tape)
Cut Tape
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10+
HK$0.173
100+
HK$0.107
500+
HK$0.099
2500+
HK$0.066
7500+
HK$0.065
Min: 10 / Mult: 10
1pF
-
-
25V
0201 [0603 Metric]
GJM Series
± 0.25pF
C0G / NP0
125°C
0.6mm
-
0.3mm
Wraparound
-55°C
-
-
3243262

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Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
10+
HK$0.724
100+
HK$0.477
500+
HK$0.428
2500+
HK$0.264
5000+
HK$0.259
Min: 10 / Mult: 10
7.5pF
-
-
50V
0402 [1005 Metric]
GJM Series
± 0.05pF
C0G / NP0
125°C
1.02mm
-
0.5mm
Wraparound
-55°C
-
-
2809465RL

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100+
HK$1.830
500+
HK$1.750
1000+
HK$1.380
2000+
HK$1.300
4000+
HK$1.210
Min: 100 / Mult: 10
3.9pF
-
250V
-
-
HiQ-CBR Series
± 0.1pF
-
125°C
-
0603 [1608 Metric]
-
-
-
-
-
2809505RL

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500+
HK$0.600
1000+
HK$0.474
2000+
HK$0.408
15000+
HK$0.341
30000+
HK$0.335
More Pricing...
Min: 500 / Mult: 10
8.4pF
-
50V
-
-
HiQ-CBR Series
± 0.1pF
-
125°C
-
0201 [0603 Metric]
-
-
-
-
-
3243232

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Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
10+
HK$0.646
100+
HK$0.395
500+
HK$0.387
2500+
HK$0.219
5000+
HK$0.215
Min: 10 / Mult: 10
3pF
-
-
50V
0402 [1005 Metric]
GJM Series
± 0.05pF
C0G / NP0
125°C
1.02mm
-
0.5mm
Wraparound
-55°C
-
-
2809632RL

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Each (Supplied on Cut Tape)
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500+
HK$0.380
1000+
HK$0.359
2000+
HK$0.298
15000+
HK$0.237
30000+
HK$0.224
More Pricing...
Min: 500 / Mult: 10
3pF
-
50V
-
-
HiQ-CBR Series
± 0.1pF
-
125°C
-
0201 [0603 Metric]
-
-
-
-
-
3243178RL

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Packaging Options
500+
HK$0.288
2500+
HK$0.173
7500+
HK$0.170
Min: 500 / Mult: 10
1.5pF
-
-
25V
0201 [0603 Metric]
GJM Series
± 0.05pF
C0G / NP0
125°C
0.6mm
-
0.3mm
Wraparound
-55°C
-
-
2809376RL

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Each (Supplied on Cut Tape)
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100+
HK$3.250
500+
HK$3.180
1000+
HK$2.830
2000+
HK$2.060
4000+
HK$1.300
More Pricing...
Min: 100 / Mult: 10
1.7pF
-
250V
-
-
HiQ-CBR Series
± 0.1pF
-
125°C
-
0603 [1608 Metric]
-
-
-
-
-
3243262RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
HK$0.428
2500+
HK$0.264
5000+
HK$0.259
Min: 500 / Mult: 10
7.5pF
-
-
50V
0402 [1005 Metric]
GJM Series
± 0.05pF
C0G / NP0
125°C
1.02mm
-
0.5mm
Wraparound
-55°C
-
-
3243267

RoHS

Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
10+
HK$0.420
100+
HK$0.252
500+
HK$0.227
2500+
HK$0.127
5000+
HK$0.125
Min: 10 / Mult: 10
0.1pF
-
-
50V
0402 [1005 Metric]
GJM Series
± 0.1pF
C0G / NP0
125°C
1.02mm
-
0.5mm
Wraparound
-55°C
-
-
2809457RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
HK$1.830
500+
HK$1.750
1000+
HK$1.390
2000+
HK$1.380
4000+
HK$1.370
Min: 100 / Mult: 10
1.8pF
-
250V
-
-
HiQ-CBR Series
± 0.1pF
-
125°C
-
0603 [1608 Metric]
-
-
-
-
-
2809468RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
HK$1.310
500+
HK$1.160
1000+
HK$1.070
2000+
HK$1.020
4000+
HK$0.970
Min: 100 / Mult: 10
0.9pF
-
250V
-
-
HiQ-CBR Series
± 0.1pF
-
125°C
-
0603 [1608 Metric]
-
-
-
-
-
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