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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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3650692

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
US$0.320
10+
US$0.256
100+
US$0.210
500+
US$0.182
1000+
US$0.151
Min: 5 / Mult: 5
Band Pass
4Pins
2.3GHz to 2.69GHz
Bluetooth, LTE, UMTS, WLAN, WiMAX, 5G
0603 [1608 Metric]
DEA Series
3650693RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
US$0.190
500+
US$0.166
1000+
US$0.157
Min: 100 / Mult: 10
Low Pass
4Pins
673MHz to 2.69GHz
GSM, LTE, UMTS, 5G
0603 [1608 Metric]
DEA Series
3650680

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
US$0.354
10+
US$0.307
100+
US$0.205
500+
US$0.168
1000+
US$0.158
Min: 5 / Mult: 5
Band Pass
4Pins
4.9GHz to 5.95GHz
WLAN
0402 [1005 Metric]
DEA Series
3387267RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
US$0.264
500+
US$0.229
1000+
US$0.218
Min: 100 / Mult: 5
Low Pass
-
2.4GHz ~ 2.5GHz
Bluetooth 5, IEEE 802.15.4, OpenThread, Optimized for STM32WB55Vx, Zigbee
CSP
-
3650673RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
US$0.178
500+
US$0.137
1000+
US$0.129
Min: 100 / Mult: 10
Coupler
6Pins
698MHz to 2.62GHz
WLAN
0603 [1608 Metric]
HHM Series
3650694

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
US$0.255
10+
US$0.205
100+
US$0.161
500+
US$0.127
1000+
US$0.124
Min: 5 / Mult: 5
Low Pass
4Pins
1.71GHz to 2.69GHz
LTE, UMTS, 5G
0603 [1608 Metric]
DEA Series
3650701

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
US$0.430
10+
US$0.340
25+
US$0.324
50+
US$0.308
100+
US$0.291
More Pricing...
Min: 1 / Mult: 1
Band Pass
3Pins
2.4GHz to 2.5GHz
Bluetooth, WLAN
0805 [2012 Metric]
DEA Series
1885520

RoHS

Each (Supplied on Cut Tape)
Cut Tape
5+
US$0.482
10+
US$0.340
100+
US$0.322
500+
US$0.279
1000+
US$0.253
Min: 5 / Mult: 5
Low Pass
8Pins
902MHz to 928MHz
-
0805 [2012 Metric]
-
3650687RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
US$0.166
500+
US$0.143
1000+
US$0.133
Min: 100 / Mult: 10
Low Pass
6Pins
1.4279GHz to 2.17GHz
LTE, UMTS, 5G
0603 [1608 Metric]
DEA Series
3650675RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
US$0.168
500+
US$0.133
1000+
US$0.129
Min: 100 / Mult: 10
Coupler
6Pins
698MHz to 2.62GHz
WLAN
0603 [1608 Metric]
HHM Series
3650682RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
US$0.210
500+
US$0.181
1000+
US$0.147
Min: 100 / Mult: 10
Band Pass
5Pins
2.4GHz to 2.5GHz
Bluetooth, WLAN
0604 [1411 Metric]
DEA Series
3650696

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
US$0.287
10+
US$0.232
100+
US$0.190
500+
US$0.165
1000+
US$0.137
Min: 5 / Mult: 5
High Pass
4Pins
5.15GHz to 5.85GHz
WLAN
0603 [1608 Metric]
DEA Series
3517042RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
US$1.265
500+
US$1.240
Min: 100 / Mult: 5
Band Pass
-
2.4GHz to 2.5GHz
RF, Wireless Communication Systems Like DECT, PACS, PHS, GSM, WLAN, Bluetooth
1008 [2520 Metric]
WE-BPF Series
3650691

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
US$0.320
10+
US$0.256
100+
US$0.210
500+
US$0.182
1000+
US$0.151
Min: 5 / Mult: 5
Band Pass
3Pins
2.4GHz to 2.5GHz
Bluetooth, WLAN
0603 [1608 Metric]
DEA Series
3650696RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
US$0.190
500+
US$0.165
1000+
US$0.137
Min: 100 / Mult: 5
High Pass
4Pins
5.15GHz to 5.85GHz
WLAN
0603 [1608 Metric]
DEA Series
3650687

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
US$0.265
10+
US$0.210
100+
US$0.166
500+
US$0.143
1000+
US$0.133
Min: 5 / Mult: 5
Low Pass
6Pins
1.4279GHz to 2.17GHz
LTE, UMTS, 5G
0603 [1608 Metric]
DEA Series
3650690RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
US$0.185
500+
US$0.159
1000+
US$0.145
Min: 100 / Mult: 10
Band Pass
4Pins
2.4GHz to 2.5GHz
Bluetooth, WLAN
0603 [1608 Metric]
DEA Series
3650693

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
US$0.265
10+
US$0.210
100+
US$0.190
500+
US$0.166
1000+
US$0.157
Min: 5 / Mult: 5
Low Pass
4Pins
673MHz to 2.69GHz
GSM, LTE, UMTS, 5G
0603 [1608 Metric]
DEA Series
3650699

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
US$0.320
10+
US$0.256
25+
US$0.216
50+
US$0.214
100+
US$0.213
More Pricing...
Min: 1 / Mult: 1
Band Pass
3Pins
5.15GHz to 5.95GHz
WLAN
0603 [1608 Metric]
DEA Series
3650688

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
US$0.586
10+
US$0.407
100+
US$0.356
500+
US$0.335
1000+
US$0.293
Min: 5 / Mult: 5
Band Pass
4Pins
2.4GHz to 2.5GHz
Bluetooth, WLAN
0603 [1608 Metric]
DEA Series
3650683RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
US$0.210
500+
US$0.168
1000+
US$0.139
Min: 100 / Mult: 5
Low Pass
6Pins
470MHz to 787MHz
LTE Band13
0603 [1608 Metric]
DEA Series
3650679

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
US$0.276
10+
US$0.172
100+
US$0.127
500+
US$0.126
1000+
US$0.126
Min: 5 / Mult: 5
High Pass
4Pins
5.15GHz to 5.95GHz
WLAN
0402 [1005 Metric]
DEA Series
1885521RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
US$0.288
500+
US$0.220
1000+
US$0.184
Min: 100 / Mult: 10
Low Pass
6Pins
2.4GHz to 2.5GHz
Bluetooth, ISM and 802.11, WLAN, ZigBee
0603 [1608 Metric]
-
3813102

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
US$2.104
10+
US$1.983
25+
US$1.930
50+
US$1.809
100+
US$1.662
More Pricing...
Min: 1 / Mult: 1
Low Pass
6Pins
2.4GHz to 2.5GHz
RF, Wireless Communication Systems Like DECT, PACS, PHS, GSM, WLAN, Bluetooth
0603 [1608 Metric]
WE-LPF Series
1885520RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
US$0.322
500+
US$0.279
1000+
US$0.253
Min: 100 / Mult: 10
Low Pass
8Pins
902MHz to 928MHz
-
0805 [2012 Metric]
-
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