Amphenol RF 031-70526-21 BNC Coaxial Connector Equivalent & Substitute Parts

Part Overview

The Amphenol RF 031-70526-21 is a BNC Connector Jack, Female Socket rated for 75 Ohms impedance with board edge, end launch mounting and panel mount solder termination. This component is classified as Active product status and is designed for RF coaxial applications requiring bayonet lock fastening up to 12 GHz frequency operation. Substitute parts are identified when inventory constraints, procurement lead times, or supply chain disruptions necessitate alternative sourcing while maintaining electrical and mechanical compatibility within the same connector family and performance specifications.

Substiute Parts

031-70526-21

Amphenol RFIn Stock: 850031-70526-21 Datasheet

Current PartRFQ

031-70526-11

Amphenol RFIn Stock: 886031-70526-11 Datasheet

Parametric EquivalentRFQ

031-70526-12

Amphenol RFIn Stock: 1630031-70526-12 Datasheet

Parametric EquivalentRFQ

031-70526-13

Amphenol RFIn Stock: 12665031-70526-13 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the Amphenol RF 031-70526-21 are identified based on strict parametric equivalence within the BNC coaxial connector family. All substitute parts maintain identical electrical and mechanical specifications across the following critical parameters:

Connector Style (BNC), Connector Type (Jack, Female Socket), Impedance (75 Ohms), Mounting Type (Board Edge, End Launch; Panel Mount), Contact Termination (Solder), Shield Termination (Solder), Fastening Type (Bayonet Lock), Maximum Frequency (12 GHz), Operating Temperature Range (-65°C ~ 165°C), Center Contact Material (Beryllium Copper), Body Material (Brass), Body Finish (Nickel), Center Contact Plating (Gold), Dielectric Material (PTFE), Mating Cycles (500), and Compliance Status (ROHS3 Compliant, REACH Affected).

The substitute parts 031-70526-11, 031-70526-12, and 031-70526-13 are all manufactured by Amphenol RF and share the identical base product number 031-70, confirming their functional and dimensional equivalence to the primary part number 031-70526-21.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts 031-70526-11, 031-70526-12, and 031-70526-13 are direct parametric equivalents to the primary part number 031-70526-21. Each substitute maintains Active product status and full compliance with ROHS3 and REACH regulatory requirements. Selection among these equivalent parts is determined by inventory availability and procurement requirements rather than electrical or mechanical performance differences.

Part 031-70526-13 offers the highest inventory availability at 12,600 pieces in stock. Part 031-70526-12 provides 1,527 pieces in stock. Part 031-70526-11 maintains 823 pieces in stock. The primary part 031-70526-21 has 830 pieces in stock. All parts are supplied in bulk packaging and include identical component sets: 1 Connector, 1 Lockwasher, and 1 Nut per unit.

Frequently Asked Questions (FAQ)

Q: Are the substitute parts 031-70526-11, 031-70526-12, and 031-70526-13 electrically identical to 031-70526-21?

A: Yes. All substitute parts maintain identical impedance (75 Ohms), maximum frequency (12 GHz), operating temperature range (-65°C ~ 165°C), and dielectric material (PTFE) specifications. They are direct parametric equivalents within the BNC coaxial connector family.

Q: Can substitute parts be used interchangeably in existing PCB designs?

A: Yes. All substitute parts share identical mounting type (Board Edge, End Launch; Panel Mount), contact termination (Solder), shield termination (Solder), and fastening type (Bayonet Lock). They are mechanically and electrically interchangeable without design modification.

Q: What is the difference between the part numbers 031-70526-21, 031-70526-11, 031-70526-12, and 031-70526-13?

A: These part numbers represent variants within the same base product family (031-70). The suffix digits indicate manufacturing or packaging variations. All variants maintain identical electrical and mechanical specifications and are functionally equivalent.

Q: Are all substitute parts ROHS3 and REACH compliant?

A: Yes. All substitute parts 031-70526-11, 031-70526-12, and 031-70526-13 are ROHS3 Compliant and REACH Affected, matching the compliance status of the primary part 031-70526-21.

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

A: The maximum operating frequency is 12 GHz for all parts in this equivalence group, including the primary part 031-70526-21 and all substitute parts.

Q: How many mating cycles are rated for these BNC connectors?

A: All parts in this group are rated for 500 mating cycles, providing consistent mechanical durability across all equivalent part numbers.

Q: What materials are used in the center contact and body construction?

A: The center contact is constructed from Beryllium Copper with Gold plating. The body is constructed from Brass with Nickel finish. These material specifications are identical across all equivalent parts.