WVB-7-705N BNC Connector Jack 75 Ohm PCB Equivalent & Substitute Parts

Part Overview

The WVB-7-705N is a BNC connector jack manufactured by Winchester Interconnect, designed for 75 ohm coaxial RF applications. This female socket connector features through-hole solder termination and is rated for frequencies up to 4 GHz. The part is currently active in production with 1056 units in stock. Substitute parts are identified when equivalent electrical and mechanical parameters are required for design flexibility, supply chain continuity, or manufacturing optimization.

Key Parameters

Parameter	Value
Manufacturer Part Number	WVB-7-705N
Manufacturer	Winchester Interconnect
Connector Style	BNC
Connector Type	Jack, Female Socket
Impedance	75 Ohms
Mounting Type	Through Hole
Contact Termination	Solder
Shield Termination	Solder
Fastening Type	Bayonet Lock
Frequency - Max	4 GHz
Voltage Rating	500 V
Operating Temperature	-65°C ~ 165°C
Mating Cycles	500
Insertion Loss	0.20 dB
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the WVB-7-705N are identified based on strict electrical and mechanical compatibility criteria. The primary substitution logic is organized as follows:

Direct Impedance Match (75 Ohms): Parts maintaining the same 75 ohm impedance specification are considered primary substitutes. These include the Amphenol RF 031-5329-72RFX and Rosenberger 71K101-400A5, which preserve the exact electrical characteristic impedance of the original design.

Common Electrical Parameters Across All Substitutes:

Connector Style: BNC
Connector Type: Jack, Female Socket
Contact Termination: Solder
Shield Termination: Solder
Fastening Type: Bayonet Lock
Frequency - Max: 4 GHz
Voltage Rating: 500 V
Mating Cycles: 500
Moisture Sensitivity Level: 1 (Unlimited)
Number of Ports: 1

Secondary Substitutes (50 Ohms): Parts with 50 ohm impedance are listed as parametric equivalents where system impedance matching permits their use. These include multiple TE Connectivity and Amphenol RF variants.

Substitution Constraints: All substitute parts maintain identical connector style, termination method, fastening mechanism, frequency rating, voltage rating, and mating cycle specifications. Variations exist in impedance, operating temperature range, center contact material, body material, and dielectric composition.

Parameter Comparison

Parameter	WVB-7-705N	031-5329-72RFX	71K101-400A5	031-5329-51RFX	1-1337445-0	5413969-2
Manufacturer	Winchester Interconnect	Amphenol RF	Rosenberger	Amphenol RF	TE Connectivity	TE Connectivity
Impedance	75 Ohms	75 Ohms	75 Ohms	50 Ohms	50 Ohms	50 Ohms
Connector Type	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Contact Termination	Solder	Solder	Solder	Solder	Solder	Solder
Frequency - Max	4 GHz	4 GHz	4 GHz	4 GHz	4 GHz	4 GHz
Voltage Rating	500 V	500 V	400 V	500 V	500 V	500 V
Operating Temperature	-65°C ~ 165°C	Not Specified	-65°C ~ 165°C	-20°C ~ 165°C	-65°C ~ 165°C	-55°C ~ 85°C
Mating Cycles	500	500	500	500	500	500
Center Contact Material	Phosphor Bronze	Phosphor Bronze	Beryllium Copper	Phosphor Bronze	Brass	Beryllium Copper
Body Material	Not Specified	Brass	Brass	Brass	Brass	Zinc
Body Finish	Nickel	Nickel	Nickel	Nickel	Silver	Tin
Center Contact Plating	Gold	Gold	Gold	Silver	Silver	Gold
Dielectric Material	Polyoxymethylene (POM)	Polybutylene Terephthalate (PBT), Polyester	Polytetrafluoroethylene (PTFE)	Polybutylene Terephthalate (PBT)	Polytetrafluoroethylene (PTFE)	Polytetrafluoroethylene (PTFE)
Insertion Loss	0.20 dB	0.2 dB	Not Specified	0.2 dB	Not Specified	Not Specified
Inventory	1056 Pcs	1395 Pcs	1209 Pcs	2181 Pcs	2400 Pcs	5912 Pcs

Engineering Selection Recommendations

Primary Substitutes (75 Ohm Impedance Match):

The Amphenol RF 031-5329-72RFX and Rosenberger 71K101-400A5 are direct electrical substitutes for the WVB-7-705N, maintaining 75 ohm impedance specification. Both parts are active products with established compliance certifications. The 031-5329-72RFX carries ROHS3 compliance and REACH affected status. The 71K101-400A5 is RoHS compliant. Selection between these two should consider operating temperature requirements: the WVB-7-705N and 71K101-400A5 both support -65°C to 165°C operation, while the 031-5329-72RFX operating temperature is not specified. The 71K101-400A5 has a 400 V voltage rating compared to 500 V for the primary part; this represents a constraint in high-voltage applications.

Secondary Substitutes (50 Ohm Impedance):

Multiple 50 ohm BNC jack connectors are available from TE Connectivity and Amphenol RF. These parts are suitable only when system impedance is 50 ohms. The TE Connectivity 1-1337445-0 (Greenpar series) and 5413969-2 offer the widest operating temperature range (-65°C to 165°C and -55°C to 85°C respectively) and full 500 V voltage rating. The 5413969-2 has the highest inventory availability at 5912 units. All 50 ohm variants maintain 4 GHz frequency rating and 500 mating cycles.

Compliance Considerations:

All substitute parts carry either ROHS3 or RoHS compliance status. REACH affected status is documented for Amphenol RF and most TE Connectivity variants. The WVB-7-705N carries EAR99 ECCN classification, consistent with all listed substitutes.

Frequently Asked Questions (FAQ)

Q: Can I use a 50 ohm BNC connector in place of the 75 ohm WVB-7-705N?

A: Only if your system impedance is 50 ohms. The WVB-7-705N is specified for 75 ohm systems. Using a 50 ohm connector in a 75 ohm system creates impedance mismatch, resulting in signal reflections and increased insertion loss. Verify your system impedance before selecting a substitute.

Q: What is the difference between the Amphenol RF 031-5329-72RFX and the Rosenberger 71K101-400A5?

A: Both are 75 ohm BNC jack connectors with identical electrical specifications. The primary differences are: (1) The 71K101-400A5 has a 400 V voltage rating versus 500 V for the 031-5329-72RFX; (2) The 71K101-400A5 operating temperature range is specified as -65°C to 165°C, while the 031-5329-72RFX operating temperature is not specified; (3) Dielectric materials differ: the 71K101-400A5 uses PTFE while the 031-5329-72RFX uses PBT/Polyester blend.

Q: Are all substitute parts through-hole solder termination?

A: Yes. All listed substitute parts maintain solder contact termination and solder shield termination, consistent with the WVB-7-705N. All are through-hole mounted connectors suitable for PCB assembly.

Q: What is the maximum frequency rating for these connectors?

A: All listed parts, including the WVB-7-705N and all substitutes, are rated for 4 GHz maximum frequency operation.

Q: Do the substitute parts have the same mating cycle rating?

A: Yes. The WVB-7-705N and all listed substitute parts are rated for 500 mating cycles.

Q: Which substitute has the best inventory availability?

A: The TE Connectivity 5413969-2 has the highest inventory with 5912 units in stock, followed by the TE Connectivity 5221123-2 with 3397 units.

Q: What is the insertion loss specification for these connectors?

A: The WVB-7-705N specifies 0.20 dB insertion loss. The Amphenol RF 031-5329-72RFX and 031-5329-51RFX both specify 0.2 dB insertion loss. Other substitutes do not have insertion loss specifications provided.

Q: Are these connectors RoHS compliant?

A: The WVB-7-705N compliance status is not specified in the provided data. Amphenol RF parts carry ROHS3 compliance. TE Connectivity parts carry either ROHS3 or RoHS compliance. The Rosenberger 71K101-400A5 is RoHS compliant. Verify compliance requirements for your specific application.

Q: What is the moisture sensitivity level for these parts?

A: All listed parts, including the WVB-7-705N and all substitutes, carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity constraints.

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