VB40-2051 Equivalent & Substitute Parts

Part Overview

The VB40-2051 is a BNC connector jack (female socket) manufactured by Cinch Connectivity Solutions, designed for 50-ohm RF applications with panel mount installation. This connector features crimp termination for both center contact and shield, supporting frequencies up to 4 GHz with a bayonet lock fastening mechanism. The part is Active status and RoHS Compliant, with 1003 units currently in stock. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same connector category, enabling component interchangeability in RF circuit designs.

Substiute Parts

VB40-2051

Cinch Connectivity SolutionsIn Stock: 1023VB40-2051 Datasheet

Current PartRFQ

VB40-2071

Cinch Connectivity SolutionsIn Stock: 1043VB40-2071 Datasheet

Parametric EquivalentRFQ

1-1337433-0

TE Connectivity AMP ConnectorsIn Stock: 34251-1337433-0 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the VB40-2051 are classified into two categories based on parameter alignment:

Parametric Equivalent (VB40-2071): This Cinch Connectivity Solutions part maintains identical electrical and mechanical specifications with the main part across all critical parameters: BNC connector style, female socket jack type, 50-ohm impedance, crimp termination for both center contact and shield, panel mount bulkhead configuration, bayonet lock fastening, 4 GHz maximum frequency, 500 V voltage rating, -65°C to 165°C operating temperature range, 0.2 dB insertion loss, and 500 mating cycles. The only difference is the cable group specification (RG-174 versus RG-58), which does not affect connector compatibility. Both parts share the same base product number (VB40) and maintain identical material composition, plating, and dielectric properties.

Similar Manufacturer Part (1-1337433-0): This TE Connectivity AMP Connectors part maintains electrical equivalence across impedance, frequency, voltage, temperature, insertion loss, and mating cycle specifications. However, the contact termination differs: this part uses solder termination for the center contact instead of crimp, while maintaining crimp shield termination. This termination difference represents a functional distinction in assembly methodology but does not affect RF performance characteristics or mechanical compatibility in panel mount applications. The part is ROHS3 Compliant and REACH Affected, with compatible cable groups including RG-58C, 141A, and Belden 9907.

Parameter Comparison

Engineering Selection Recommendations

VB40-2051 (Primary Selection): Recommended for applications requiring crimp termination methodology with RG-58 cable compatibility. Active product status with RoHS Compliance and 1003 units in stock provide supply continuity. Suitable for standard 50-ohm RF panel mount applications up to 4 GHz.

VB40-2071 (Parametric Equivalent): Direct electrical and mechanical substitute with identical performance specifications. Appropriate for RG-174 cable applications where the smaller cable diameter is required. Maintains all compliance certifications and offers 953 units in stock. Selection between VB40-2051 and VB40-2071 depends solely on cable group requirements.

1-1337433-0 (Alternative with Termination Difference): Suitable for designs utilizing solder termination assembly processes. TE Connectivity AMP Connectors manufacturing provides ROHS3 Compliance and REACH compliance documentation. Highest inventory availability at 3337 units supports high-volume production requirements. Contact termination difference (solder versus crimp) requires assembly process compatibility verification but does not affect RF electrical performance or mechanical panel mount compatibility.

Frequently Asked Questions (FAQ)

Q: Can VB40-2071 be used as a direct replacement for VB40-2051?

A: Yes. VB40-2071 maintains identical electrical specifications (50 ohms, 4 GHz, 0.2 dB insertion loss), mechanical configuration (panel mount bulkhead, bayonet lock), termination methods (crimp center contact and shield), and material composition. The cable group difference (RG-174 versus RG-58) does not affect connector compatibility. Selection depends on cable diameter requirements for your application.

Q: What is the primary difference between VB40-2051 and 1-1337433-0?

A: The contact termination method differs: VB40-2051 uses crimp termination for the center contact, while 1-1337433-0 uses solder termination. Both maintain identical RF performance (50 ohms, 4 GHz, 0.2 dB insertion loss), mechanical mounting (panel mount bulkhead, bayonet lock), and electrical ratings (500 V, -65°C to 165°C). Selection depends on assembly process compatibility.

Q: Are all three parts RoHS compliant?

A: Yes. VB40-2051 and VB40-2071 are RoHS Compliant. 1-1337433-0 is ROHS3 Compliant, which represents a more recent compliance standard. All three parts meet RoHS requirements.

Q: Which part has the best inventory availability?

A: 1-1337433-0 has the highest inventory at 3337 units in stock, followed by VB40-2051 at 1003 units, and VB40-2071 at 953 units. Inventory levels support component selection for production volume requirements.

Q: Can these connectors be used interchangeably in the same circuit?

A: VB40-2051 and VB40-2071 are fully interchangeable from electrical and mechanical perspectives. 1-1337433-0 is electrically and mechanically compatible but requires assembly process compatibility verification due to solder versus crimp termination methodology. All three maintain 50-ohm impedance, 4 GHz frequency capability, and panel mount bulkhead configuration.

Q: What cable types are compatible with each part?

A: VB40-2051 supports RG-58 cable group. VB40-2071 supports RG-174 cable group. 1-1337433-0 supports RG-58C, 141A, and Belden 9907 cable groups. Cable selection depends on application impedance matching and physical space constraints.