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FILTER SOLUTION EXPERT
AND CONSULTANT

Customized RF Components and Microwave

Temwell design and develop 4 POLE RF Helical Bandpass Filter as 5R4 Series, including Frequency band and Bandwidth band as bellow. Custom spec value service is available based on all standard P/N, including Frequency change, BW change, Attenuation value upgrading, Size change, Pin position change, and connectorized model, etc.


*Center Frequency range: 200 ~ 2600MHz
*Bandwidth range: 2 ~ 120MHz
*Impedance: 50ohm 
*Attenuation value: 40~50dB


  • Freq Range
  • -3dB BW
  • Impedance
  • Series Type
  • Type
  • Stock
  • Power
  • Size-Height
Entry P/N Freq Range -3dB BW IL @Fo-(  )M/dB @Fo+(  )M/dB Impedance Series Type Power Height Size-Height RF Range Stock Inquiry Buy
1 TFR4625A-325M 300~350M 9M 7 (30)53 (30)46 In / Out :50 Ω 5R4 Pin 1~5W 8.6mm 22.4 X 5.6 UHF 0 pcs
2 TFR4636A-400M 350~400M 9M 7.5 (30)50 (30)40 In / Out :50 Ω 5R4 Pin 1~5W 8.6mm 22.4 X 5.6 UHF 0 pcs
3 TFR4628A-360M 350~400M 10M 8.5 (30)47 (30)39 In / Out :50 Ω 5R4 Pin 1~5W 8.6mm 22.4 X 5.6 UHF 0 pcs
4 TFR4639F-480M 450~500M 13M 5 (50)55 (50)51 In / Out :50 Ω 5R4 Pin 1~5W 8.6mm 22.4 X 5.6 UHF 0 pcs
5 TFR4638A-460M 450~500M 15M 5.5 (30)43 (30)36 In / Out :50 Ω 5R4 Pin 1~5W 8.6mm 22.4 X 5.6 UHF 0 pcs
6 TFR4661F-580M 550~600M 17M 4.5 (50)46 (50)40 In / Out :50 Ω 5R4 Pin 1~5W 8.6mm 22.4 X 5.6 UHF 0 pcs
7 TFR4671F-612M 600~650M 19M 5 (70)52 (70)49 In / Out :50 Ω 5R4 Pin 1~5W 8.6mm 22.4 X 5.6 UHF 0 pcs
8 TFR4701B-775M 750~800M 20M 5.5 (50)42 (50)33 In / Out :50 Ω 5R4 Pin 1~5W 8.6mm 22.4 X 5.6 UHF 0 pcs
9 TFR4769B-975M 950~1000M 24M 5 (50)40 (50)30 In / Out :50 Ω 5R4 Pin 1~5W 8.6mm 22.4 X 5.6 UHF 0 pcs
10 TFR4775B-1275M 1250~1300M 19M 8 (50)38 (50)31 In / Out :50 Ω 5R4 Pin 1~5W 8.6mm 22.4 X 5.6 UHF 0 pcs
11 TFR4809B-1375M 1350~1400M 21M 9.5 (50)30 (50)25 In / Out :50 Ω 5R4 Pin 1~5W 8.6mm 22.4 X 5.6 UHF 0 pcs
12 TFR4813B-1475M 1450~1500M 23M 9 (100)63 (100)43 In / Out :50 Ω 5R4 Pin 1~5W 8.6mm 22.4 X 5.6 UHF 0 pcs
P/N Freq Range -3dB BW IL @Fo-(  )M/dB Impedance Series Type Power Height Size-Height RF Range Stock