• BCJ-C4
    BCJ-C4
  • BCJ-D25HD
    BCJ-D25HW
  • BCJ-C4
  • BCJ-D25HD

75 ohm BNC Jack Plug

BNC Jack Plug for extension cables.

Key Features and Benefits

  • Beryllium copper (gold plated) is used on the center contact for its superior spring characteristics (Center contact: solder).
Note1:
Be sure to use Canare Crimp Tool
Note2:
Instruction manual
  • Tech Data
  • Downloads

75 ohm BNC Jack Plug12G-SDICrimp Type

Type Model Suitable Cable Center Pin Sleeve Boot Die Set Standard
package
BCJ-D25HD L-2.5CHD BN1204 BN7159 - TCD-D253F 20pcs
No image BCJ-D25HW L-2.5CHWS BN1204 BN7158 - TCD-D253F 20pcs
No image BCJ-D33UHD L-3.3CUHD BN1205 BN7003A - TCD-D253F 20pcs

Key Features and Benefits

  • Return loss for BCJ-D: 20 dB @ 3 GHz, 15 dB @ 6 GHz, 10 dB @ 12
  • Gold plated beryllium copper center contact.

75 ohm BNC Jack PlugCrimp Type

Type Model Suitable Cable Center Pin Sleeve Boot Die Set Standard package
75 ohm Jack Plug BCJ-C4 RG-59 B/U, LV-61S,
Belden 8241, 8279, 88241
Solder V75001 CB25 TCD-4CA
TCD-451CA
20pcs

Key Features and Benefits

  • Return loss for BCJ-C: 26.4 dB @ 1.5 GHz, 20.8 dB @ 2.4 GHz

Technical Note

Voltage Standing - wave Ratio (VSWR) and Return Loss

Terminating the receiving end of a limited length coaxial cable using a resistance value not equal to its characteristic impedance creates a reflected wave that returns back down the cable to the sending end. The result is interference developing between the travelling wave and the return wave which results in a standing wave that causes voltage levels to fluctuate. The degree to which terminating resistance matches the characteristic impedance is indicated using the VSWR or voltage standing-wave ratio standard shown in Fig. 1. Going hand in hand with the VSWR ratio is the return loss factor which measures the size of the reflected wave current in relation to the travelling wave current. (See Fig. 2)

Fig. 1 Voltage Distribution Over Coaxial Cable

VSWR Return Loss (dB)
2 9.54
1.5 13.98
1.2 20.83
1.1 26.44
1.05 32.26
1.02 40.09
1.01 46.06

Fig. 2 VSWR to Return Loss Conversion Table

Drawing

Specification

Historys

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