VB10-2021 BNC Connector Plug Equivalent & Substitute Parts

Part Overview

The VB10-2021 is a BNC connector plug manufactured by Cinch Connectivity Solutions, designed for 75 Ohm coaxial cable applications. This male pin connector features crimp termination for both center contact and shield, supporting RG-6 cable group with a maximum frequency rating of 1 GHz. The part is currently active in production with 886 pieces in stock. Substitute parts are identified to address inventory availability, alternative cable group compatibility, or specific application requirements while maintaining core electrical and mechanical specifications.

Substiute Parts

VB10-2021

Cinch Connectivity SolutionsIn Stock: 957VB10-2021 Datasheet

Current PartRFQ

VB10-2020

Cinch Connectivity SolutionsIn Stock: 1009VB10-2020 Datasheet

Parametric EquivalentRFQ

VB10-2031

Cinch Connectivity SolutionsIn Stock: 1578VB10-2031 Datasheet

Parametric EquivalentRFQ

305-1TP

TriplettIn Stock: 1303305-1TP Datasheet

Parametric EquivalentRFQ

305-5TP

TriplettIn Stock: 1629305-5TP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the VB10-2021 are classified based on the following critical parameters that determine functional equivalence:

Primary Substitution Criteria:

• Connector Style: BNC (all substitutes match)
• Connector Type: Plug, Male Pin (all substitutes match)
• Contact Termination: Crimp (all substitutes match)
• Shield Termination: Crimp (all substitutes match)
• Mounting Type: Free Hanging (In-Line) (all substitutes match)
• Fastening Type: Bayonet Lock (all substitutes match)
• Frequency - Max: 1 GHz (all substitutes match)
• Number of Ports: 1 (all substitutes match)

Secondary Variation Parameters (Cable Group & Impedance):

• VB10-2020: 75 Ohm impedance, RG-11 cable group (same impedance, different cable group)
• VB10-2031: 75 Ohm impedance, RG-59 cable group (same impedance, different cable group)
• 305-1TP: 50 Ohm impedance, RG-58 cable group (different impedance, different cable group)
• 305-5TP: 50 Ohm impedance, RG-6 cable group (different impedance, same cable group)

Parameter Comparison

Engineering Selection Recommendations

Cinch Connectivity Solutions VB10 Series (VB10-2020, VB10-2031): These parts maintain 75 Ohm impedance matching and RoHS compliance with the VB10-2021. Selection between these variants depends on cable group requirements: VB10-2020 for RG-11 applications, VB10-2031 for RG-59 applications. VB10-2031 exhibits 0.2 dB insertion loss compared to 0.1 dB for the primary part. All three Cinch parts share identical operating temperature range, voltage rating, and mating cycle specifications.

Triplett 305 Series (305-1TP, 305-5TP): These parts operate at 50 Ohm impedance, representing a different electrical specification from the 75 Ohm VB10-2021. Both Triplett substitutes are RoHS non-compliant. Selection between these variants depends on cable group compatibility: 305-1TP for RG-58 applications, 305-5TP for RG-6 applications. Complete technical specifications including operating temperature, voltage rating, and insertion loss are not provided for these parts.

Frequently Asked Questions (FAQ)

Q: Can VB10-2020 or VB10-2031 be used interchangeably with VB10-2021?

A: VB10-2020 and VB10-2031 are electrically equivalent to VB10-2021 in terms of impedance (75 Ohms), connector style, termination method, and frequency rating. The primary difference is cable group compatibility. VB10-2020 is designed for RG-11 cable, while VB10-2031 is designed for RG-59 cable. Selection must match the cable group in your application. VB10-2031 has slightly higher insertion loss (0.2 dB vs. 0.1 dB).

Q: What is the difference between 75 Ohm and 50 Ohm BNC connectors?

A: Impedance is a fundamental electrical characteristic that must match the cable and system design. The VB10-2021 is specified for 75 Ohm systems (typically video and broadcast applications). The Triplett 305 series parts are 50 Ohm connectors (typically RF and data applications). These are not interchangeable without system redesign and impedance matching considerations.

Q: Are the Triplett 305-1TP and 305-5TP suitable replacements for the VB10-2021?

A: The Triplett parts share the same BNC connector style, male pin configuration, crimp termination, and 1 GHz frequency rating. However, they operate at 50 Ohm impedance versus the 75 Ohm specification of VB10-2021. Additionally, Triplett parts are RoHS non-compliant, while VB10-2021 is RoHS compliant. Use these parts only if your application specifically requires 50 Ohm impedance and RoHS compliance is not a requirement.

Q: What does cable group compatibility mean?

A: Cable group designation (RG-6, RG-11, RG-58, RG-59) refers to the physical and electrical characteristics of the coaxial cable. BNC connectors are designed with specific dimensions to crimp onto particular cable groups. Using a connector designed for one cable group on a different cable group may result in poor connection quality, signal loss, or mechanical failure.

Q: Which substitute part should I choose if I need RoHS compliance?

A: VB10-2020 and VB10-2031 are both RoHS compliant. Choose based on your cable group requirement: VB10-2020 for RG-11 cable or VB10-2031 for RG-59 cable. The Triplett 305 series parts are RoHS non-compliant and should not be used in applications requiring RoHS certification.

Q: What is insertion loss and why does it matter?

A: Insertion loss is the signal attenuation introduced by the connector, measured in decibels (dB). VB10-2021 and VB10-2020 both specify 0.1 dB insertion loss, while VB10-2031 specifies 0.2 dB. In high-frequency or long-distance applications, lower insertion loss is preferable to minimize signal degradation.