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Posts Tagged ‘75 ohm’

N :: Type N connector series

Friday, February 13th, 2009

The N (Type N) connector follows the MIL-C-39012 standard, defined by the US military, and comes in 50 and 75 ohm versions.

The 50 ohm version is widely used in the infrastructure of land mobile, wireless data, paging and cellular systems. The 75 ohm version is primarily used in the infrastructure of cable television systems.

Requirement
MIL-C-39012
Paragraph
Specification
ELECTRICAL DATA
Impedance 50Ω, 75Ω
Frequency range DC 11GHz, DC 1.5GHz
Contact current DC 3.5A max.
Working voltage 1000V rms
Contact resistance 3-16 Center contacts : 2.0 mΩ
Outer contacts : 0.2mΩ
Insulation resistance 3-11 5000MΩmin.
Insertion loss 3-27 < 0.15dB at 9GHz
V.S.W.R 3-14 ≤ 1.5
RF leakage 3-28 -90dBmmin. form 2~3GHz
MECHANICAL DATA
Coupling nut torque 20Ncm-170Ncm
Coupling nut retention force 450N
Life 3-15 500 matings.
Contact captivation 3-14 ≥ 27N
ENVIRONMENTAL DATA
Temperature range : -65℃~+125℃
Corrosion resistance 3-13 MIL-STD-202, Method 101,Condition
B.
Moisture resistance 3-23 MIL-STD-202, Method 106.
Thermal shock 3-22 MIL-STD-202, Method 107,Condition
B.
Vibration 3-19 MIL-STD-202. Method 204,Condition
B.
Shock 3-20 MIL-STD-202. Method 213,Condition
i.
MATERIALS
Bodies and Male
contacts
Brass
Female contacts Beryllium copper
Insulators PTFE Teflon
Gasket Silicone Rubber
PLATINGS
Bodies Nickel plated
Center contacts Gold plated

N INTERFACE DIMENSIONS

BNC :: Bayonet Neill Concelman connector series

Friday, February 13th, 2009

The BNC (Bayonet Neill Concelman) product line is a miniature quick connect/disconnect RF connector. It features two bayonet lugs on the female connector; BNC connectors are available with 50ohm and 75ohm impedance.

BNC connectors are a used in computer networks, test and instrumentation, telecommunications and broadcast industries with a variety of choices:  Semi-Rigid/Flexible cable, Receptacles, and PCB versions.

Requirement
MIL-C-39012
Paragraph
Specification
ELECTRICAL DATA
Impedance 50Ω, 75Ω
Frequency range DC 4GHz, DC 1GHz
Contact current DC 3.5A max.
Voltage rating 500V rms
Contact resistance 3-16 Center contacts : 2.0 mΩ
Outer contacts : 1.0mΩ
Insulation resistance 3-11 5000MΩmin.
Insertion loss 3-27 0.3dB max. at 3GHz
V.S.W.R 3-14 ≤ 1.15
(Return loss better than 23.0dB)
MECHANICAL DATA
Coupling nut torque 0.07Nm min~0.25Nm max
Coupling nut retention force 3-25 44.5 daN
Life 3-15 500 matings.
Contact captivation 3-14 ≥ 27N
ENVIRONMENTAL DATA
Temperature range : -65℃~+125℃
Corrosion resistance 3-13 MIL-STD-202, Method 101,Condition
B.
Moisture resistance 3-21 MIL-STD-202, Method 106.
Thermal shock 3-20 MIL-STD-202, Method 107,Condition
B.
Shock 3-19 MIL-STD-202. Method 213,Condition
G.
Vibration 3-18 MIL-STD-202. Method 204,Condition
B.
MATERIALS
Bodies and Male contacts Brass
Female contacts Beryllium copper
Insulators PTFE Teflon
Gasket Silicone Rubber
PLATINGS
Bodies, Coupling nuts Nickel plated
Center contacts Gold plated

BNC INTERFACE DIMENSIONS

Click here to view BNC catalog page.

TNC :: Threaded Neill-Concelman connector series

Friday, February 13th, 2009

The TNC (Threaded Neill-Concelman) connector is a threaded version of the BNC connector. The connector has a 50 Ω impedance and operates best in the 0–11 GHz frequency spectrum. It has better performance than the BNC connector at microwave frequencies.

Invented in the late 1950s, the TNC connector has been employed in a wide range of radio and wired applications.

Requirement
MIL-C-39012
Paragraph
Specification
ELECTRICAL DATA
Impedance 50Ω, 75Ω
Frequency range DC 11GHz, DC 1GHz
Contact current DC 3.5A max.
Voltage rating 250V rms
Contact resistance 3-16 Center contacts : 2.0 mΩ
Outer contacts : 0.2mΩ
Insulation resistance 3-11 5000MΩmin.
Insertion loss 3-27 0.18dB max. at 9GHz
V.S.W.R 3-14 ≤ 1.5
MECHANICAL DATA
Coupling nut torque 20Ncm-170Ncm
Life 500 matings.
Contact captivation 3-14 ≥ 27N
Proof torque Not applicable
ENVIRONMENTAL DATA
Temperature range : -65℃~+125℃
Corrosion resistance 3-13 MIL-STD-202, Method 101,Condition
B.
Moisture resistance 3-21 MIL-STD-202, Method 106.
Thermal shock 3-20 MIL-STD-202, Method 107,Condition
B.
Vibration 3-18 MIL-STD-202. Method 204,Condition
B.
Shock 3-19 MIL-STD-202. Method 213,Condition
G.
MATERIALS
Bodies and Male contacts Brass
Female contacts Beryllium copper
Insulators PTFE Teflon
Gasket Silicone Rubber
PLATINGS
Bodies, Coupling nuts Nickel plated
Center contacts Gold plated

TNC INTERFACE DIMENSIONS

Click here to view TNC catalog page.