250V RF Capacitors:

516 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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1885422

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10+
HK$1.570
100+
HK$1.010
500+
HK$0.929
1000+
HK$0.848
2000+
HK$0.802
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Min: 10 / Mult: 10
100pF
250V
S Series
± 5%
125°C
0603 [1608 Metric]
1885422RL

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Each (Supplied on Cut Tape)
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100+
HK$1.010
500+
HK$0.929
1000+
HK$0.848
2000+
HK$0.802
4000+
HK$0.755
Min: 100 / Mult: 25
100pF
250V
S Series
± 5%
125°C
0603 [1608 Metric]
2809389

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Each (Supplied on Cut Tape)
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10+
HK$2.180
100+
HK$1.920
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HK$1.810
1000+
HK$1.640
2000+
HK$1.240
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Min: 10 / Mult: 10
3.8pF
250V
HiQ-CBR Series
± 0.1pF
125°C
0603 [1608 Metric]
2809389RL

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100+
HK$1.920
500+
HK$1.810
1000+
HK$1.640
2000+
HK$1.240
4000+
HK$1.040
Min: 100 / Mult: 10
3.8pF
250V
HiQ-CBR Series
± 0.1pF
125°C
0603 [1608 Metric]
2809370

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Each (Supplied on Cut Tape)
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10+
HK$3.580
100+
HK$2.650
500+
HK$2.210
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HK$1.850
2000+
HK$1.740
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Min: 10 / Mult: 10
9.8pF
250V
HiQ-CBR Series
± 0.1pF
125°C
0603 [1608 Metric]
2809370RL

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Each (Supplied on Cut Tape)
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100+
HK$2.650
500+
HK$2.210
1000+
HK$1.850
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HK$1.740
4000+
HK$1.620
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Min: 100 / Mult: 10
9.8pF
250V
HiQ-CBR Series
± 0.1pF
125°C
0603 [1608 Metric]
1885415

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10+
HK$2.470
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HK$1.600
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HK$1.480
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HK$1.360
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HK$1.180
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Min: 10 / Mult: 10
56pF
250V
S Series
± 2%
125°C
0603 [1608 Metric]
1650741

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1+
HK$2.060
10+
HK$1.020
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HK$0.650
500+
HK$0.601
1000+
HK$0.551
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Min: 1 / Mult: 1
0.2pF
250V
S Series
± 0.05pF
125°C
0603 [1608 Metric]
2612625

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10+
HK$2.070
100+
HK$1.330
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HK$1.230
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HK$1.130
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HK$1.070
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Min: 10 / Mult: 10
1pF
250V
0
± 0.1pF
125°C
0603 [1608 Metric]
1885439

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10+
HK$2.490
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HK$1.520
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HK$1.250
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HK$1.190
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HK$1.130
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Min: 10 / Mult: 10
27pF
250V
S Series
± 5%
125°C
0805 [2012 Metric]
1885442

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10+
HK$1.880
100+
HK$1.220
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HK$1.120
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HK$1.020
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HK$0.864
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Min: 10 / Mult: 10
36pF
250V
S Series
± 5%
125°C
0805 [2012 Metric]
1885398

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Each (Supplied on Cut Tape)
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10+
HK$2.620
100+
HK$1.580
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HK$1.410
1000+
HK$1.270
2000+
HK$1.170
More Pricing...
Min: 10 / Mult: 10
15pF
250V
S Series
± 2%
125°C
0603 [1608 Metric]
1885432

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Each (Supplied on Cut Tape)
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10+
HK$1.980
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HK$1.510
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HK$1.460
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HK$1.400
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HK$1.340
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Min: 10 / Mult: 10
10pF
250V
S Series
± 5%
125°C
0805 [2012 Metric]
1885401

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10+
HK$1.970
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HK$1.280
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HK$1.180
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HK$1.080
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HK$1.020
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Min: 10 / Mult: 10
18pF
250V
S Series
± 2%
125°C
0603 [1608 Metric]
2612632

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10+
HK$2.100
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HK$1.400
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HK$1.310
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HK$1.040
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HK$1.030
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Min: 10 / Mult: 10
4.7pF
250V
0
± 0.1pF
125°C
0603 [1608 Metric]
2612628

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10+
HK$2.560
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HK$1.790
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HK$1.260
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Min: 10 / Mult: 10
1.6pF
250V
0
± 0.1pF
125°C
0603 [1608 Metric]
1885402

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10+
HK$1.230
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HK$0.740
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HK$0.695
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HK$0.605
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Min: 10 / Mult: 10
18pF
250V
S Series
± 5%
125°C
0603 [1608 Metric]
1885434

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Each (Supplied on Cut Tape)
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10+
HK$1.760
100+
HK$1.310
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HK$1.110
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HK$1.100
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HK$1.020
More Pricing...
Min: 10 / Mult: 10
15pF
250V
S Series
± 5%
125°C
0805 [2012 Metric]
2809458

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Each (Supplied on Cut Tape)
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10+
HK$2.630
100+
HK$1.830
500+
HK$1.710
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HK$1.380
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HK$1.300
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Min: 10 / Mult: 10
2pF
250V
HiQ-CBR Series
± 0.1pF
125°C
0603 [1608 Metric]
2612627

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Each (Supplied on Cut Tape)
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10+
HK$2.100
100+
HK$1.400
500+
HK$1.310
1000+
HK$1.030
2000+
HK$0.959
More Pricing...
Min: 10 / Mult: 10
1.5pF
250V
0
± 0.1pF
125°C
0603 [1608 Metric]
1885437

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10+
HK$1.840
100+
HK$1.190
500+
HK$1.100
1000+
HK$0.995
2000+
HK$0.942
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Min: 10 / Mult: 10
22pF
250V
S Series
± 5%
125°C
0805 [2012 Metric]
1885452

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Each (Supplied on Cut Tape)
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Packaging Options
10+
HK$1.820
100+
HK$1.170
500+
HK$1.080
1000+
HK$0.990
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HK$0.935
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Min: 10 / Mult: 10
150pF
250V
S Series
± 5%
125°C
0805 [2012 Metric]
1885370

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Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
10+
HK$0.806
100+
HK$0.527
500+
HK$0.486
1000+
HK$0.444
2000+
HK$0.416
More Pricing...
Min: 10 / Mult: 10
1.5pF
250V
S Series
± 0.1pF
125°C
0603 [1608 Metric]
1885361RL

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Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
HK$0.675
1000+
HK$0.604
2000+
HK$0.533
4000+
HK$0.461
Min: 500 / Mult: 10
0.7pF
250V
S Series
± 0.1pF
125°C
0603 [1608 Metric]
1885362

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Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
10+
HK$1.950
100+
HK$1.560
500+
HK$1.360
1000+
HK$1.150
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HK$0.945
More Pricing...
Min: 10 / Mult: 10
0.8pF
250V
S Series
± 0.05pF
125°C
0603 [1608 Metric]
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