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RF Filters:

276 Products Found
We offer RF filters for aircraft, aerospace, medical, power plant control, traffic signal, transportation equipment and a wide range of other applications.Radio frequency (RF) and microwave filters represent a class of electronic filter, designed to operate on signals in the megahertz to gigahertz frequency ranges (medium frequency to extremely high frequency). This frequency range is used by most broadcast radio, television, and wireless communication equipment (mobile phones, Wi-Fi, etc.).Accordingly, most RF and microwave devices will include some kind of filtering on the signals transmitted or received. Such filters are commonly used as building blocks for duplexers and diplexers to combine or separate multiple frequency bands.

What does an RF filter do?

Filters fulfil one of the following functions:
  1. RF band-pass filter: selects only a desired band of frequencies
  2. RF band-stop filter: eliminates an undesired band of frequencies
  3. RF low-pass filter: allows only frequencies below a cutoff frequency to pass
  4. RF high-pass filter: allows only frequencies above a cutoff frequency to pass

RF Filter types

There are many different types or models for RF filters. Below are some of the more commonly used forms.Constant-k: The constant-k filter’s advantage lies in the ease of calculating values for the various components. This enables it to be simply designed with minimal theoretical knowledge about the mathematics, unlike many other filters. However, its performance does not quite match that of other filter types, although for many applications it is more than adequate.Butterworth: This type of filter provides the maximum in band flatness, although it provides a lower stop-band attenuation than a Chebyshev filter. However, it is also able to provide better group delay performance, and hence lower overshoot.Bessel: This filter provides the optimum in-band phase response and therefore also provides the best step response. It is often used where signals incorporate square waves, etc as the shape is maintained best of all.Chebyshev: This filter provides fast roll off after the cut off frequency is reached. However, this is at the expense of in-band ripple. The more in-band ripple that can be tolerated, the faster the roll off.Elliptic: This filter, also known as the Cauer filter, has significant levels of in-band and out of band ripple, and as expected the higher the degree of ripple that can be tolerated, the steeper it reaches its ultimate roll off.
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3650684

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
zł0.920
10+
zł0.720
100+
zł0.600
500+
zł0.530
1000+
zł0.500
Min: 5 / Mult: 5
Low Pass
4Pins
698MHZ to 960MHZ
GSM, LTE, UMTS, 5G
0603 [1608 Metric]
DEA Series
3517018

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
zł3.490
10+
zł3.380
25+
zł3.370
50+
zł2.960
100+
zł2.820
More Pricing...
Min: 1 / Mult: 1
-
-
2.4GHz to 2.5GHz
Wireless Communication Systems Like Home RF, DECT, WLAN, Bluetooth, ZigBee
0805 [2012 Metric]
WE-BAL Series
3650684RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
zł0.600
500+
zł0.530
1000+
zł0.500
Min: 100 / Mult: 10
Low Pass
4Pins
698MHZ to 960MHZ
GSM, LTE, UMTS, 5G
0603 [1608 Metric]
DEA Series
3517018RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
zł2.820
500+
zł2.810
Min: 100 / Mult: 10
-
-
2.4GHz to 2.5GHz
Wireless Communication Systems Like Home RF, DECT, WLAN, Bluetooth, ZigBee
0805 [2012 Metric]
WE-BAL Series
4154130

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
zł1.650
10+
zł1.340
25+
zł1.080
50+
zł1.000
100+
zł0.950
More Pricing...
Min: 1 / Mult: 1
Band Pass
6Pins
2.4GHz to 2.5GHz
ZigBee
0805 [2012 Metric]
DEA Series
4154130RL

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Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
zł0.950
500+
zł0.850
Min: 100 / Mult: 5
Band Pass
6Pins
2.4GHz to 2.5GHz
ZigBee
0805 [2012 Metric]
DEA Series
4214801

RoHS

Each
1+
zł1,474.170
5+
zł1,431.590
10+
zł1,387.660
25+
zł1,358.920
50+
zł1,330.230
More Pricing...
Min: 1 / Mult: 1
Band Pass
-
902MHz to 928MHz
GSM, ISM, RFID, RF, SCADA
-
-
4354195RL

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Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
50+
zł1.170
250+
zł1.170
500+
zł1.160
1000+
zł1.160
2000+
zł1.160
Min: 100 / Mult: 5
Low Pass
4Pins
5MHz to 1002MHz
STB
1008 [2520 Metric]
DEA Series
4354195

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
zł1.180
50+
zł1.170
250+
zł1.170
500+
zł1.160
1000+
zł1.160
More Pricing...
Min: 5 / Mult: 5
Low Pass
4Pins
5MHz to 1002MHz
STB
1008 [2520 Metric]
DEA Series
2148529

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Each (Supplied on Cut Tape)
Cut Tape
1+
zł3.940
10+
zł2.730
25+
zł2.540
50+
zł2.340
100+
zł2.150
More Pricing...
Min: 1 / Mult: 1
Low Pass
8Pins
858MHz to 878MHz
-
0805 [2012 Metric]
-
3106011

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
zł1.550
10+
zł1.260
100+
zł1.030
500+
zł0.890
1000+
zł0.840
Min: 5 / Mult: 5
Low Pass
6Pins
2.4GHz to 2.5GHz
Bluetooth
WLCSP
-
3678601

RoHS

Each
1+
zł149.940
5+
zł131.200
10+
zł108.710
50+
zł97.480
100+
zł89.970
Min: 1 / Mult: 1
Band Pass
-
5.48GHz to 5.85GHz
UAV/Drone Antennas
-
Airvu Series
1885521

RoHS

Each (Supplied on Cut Tape)
Cut Tape
5+
zł1.530
10+
zł1.420
100+
zł1.060
500+
zł0.810
1000+
zł0.670
Min: 5 / Mult: 5
Low Pass
6Pins
2.4GHz to 2.5GHz
Bluetooth, ISM and 802.11, WLAN, ZigBee
0603 [1608 Metric]
-
3678599

RoHS

Each
1+
zł95.200
5+
zł93.300
10+
zł91.410
50+
zł90.390
100+
zł90.350
Min: 1 / Mult: 1
Band Pass
-
2.4GHz to 2.5GHz
UAV/Drone Antennas
-
Airvu Series
2148529RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
zł2.150
500+
zł1.900
Min: 100 / Mult: 10
Low Pass
8Pins
858MHz to 878MHz
-
0805 [2012 Metric]
-
2913685

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Date/Lot Code

Each
1+
zł2.360
10+
zł2.340
25+
zł2.330
50+
zł2.330
100+
zł2.330
More Pricing...
Min: 1 / Mult: 1
-
10Pins
891.5 MHz
ZigBee
0805 [2012 Metric]
LFD Series
3106011RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
zł1.030
500+
zł0.890
1000+
zł0.840
Min: 100 / Mult: 5
Low Pass
6Pins
2.4GHz to 2.5GHz
Bluetooth
WLCSP
-
3517042

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
zł5.740
10+
zł5.440
25+
zł5.230
50+
zł4.980
100+
zł4.640
More Pricing...
Min: 1 / Mult: 1
Band Pass
-
2.4GHz to 2.5GHz
RF, Wireless Communication Systems Like DECT, PACS, PHS, GSM, WLAN, Bluetooth
1008 [2520 Metric]
WE-BPF Series
3387267

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
zł1.480
10+
zł1.190
100+
zł0.960
500+
zł0.840
1000+
zł0.790
Min: 5 / Mult: 5
Low Pass
-
2.4GHz ~ 2.5GHz
Bluetooth 5, IEEE 802.15.4, OpenThread, Optimized for STM32WB55Vx, Zigbee
CSP
-
3650690

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
zł1.040
10+
zł0.840
100+
zł0.680
500+
zł0.580
1000+
zł0.520
Min: 5 / Mult: 5
Band Pass
4Pins
2.4GHz to 2.5GHz
Bluetooth, WLAN
0603 [1608 Metric]
DEA Series
3650673

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
zł0.890
10+
zł0.760
100+
zł0.650
500+
zł0.500
1000+
zł0.470
Min: 5 / Mult: 5
Coupler
6Pins
698MHz to 2.62GHz
WLAN
0603 [1608 Metric]
HHM Series
3228016

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
zł0.600
10+
zł0.490
100+
zł0.400
500+
zł0.350
1000+
zł0.330
Min: 5 / Mult: 5
LC
2Pins
2.4GHz ~ 2.5GHz
Aircraft, Aerospace, Medical, Power Plant Control, Traffic Signal & Transportation Equipment
01005 [0402 Metric]
LQZ02HQ Series
3650683

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
zł1.160
10+
zł0.930
100+
zł0.760
500+
zł0.610
1000+
zł0.510
Min: 5 / Mult: 5
Low Pass
6Pins
470MHz to 787MHz
LTE Band13
0603 [1608 Metric]
DEA Series
3650675

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
zł0.920
10+
zł0.740
100+
zł0.610
500+
zł0.490
1000+
zł0.470
Min: 5 / Mult: 5
Coupler
6Pins
698MHz to 2.62GHz
WLAN
0603 [1608 Metric]
HHM Series
3228016RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
zł0.350
1000+
zł0.330
Min: 500 / Mult: 10
LC
2Pins
2.4GHz ~ 2.5GHz
Aircraft, Aerospace, Medical, Power Plant Control, Traffic Signal & Transportation Equipment
01005 [0402 Metric]
LQZ02HQ Series
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