Equivalent & Substitute Parts for Cinch Connectivity Solutions Johnson 131-3701-211

Part Overview

The Cinch Connectivity Solutions Johnson 131-3701-211 is an active SMB Connector Jack, Male Pin (50 Ohms) designed for through-hole PCB mounting. As part of the coaxial connectors (RF) category, this bulk-packaged device is intended for high-frequency applications up to 4 GHz, with snap-on fastening and solder contact termination. Finding alternative models is essential to ensure availability during component shortages, for compliance needs, or when managing supplier qualifications. Substitutes are identified solely by matching electrical, mechanical, and compliance parameters.

Key Parameters

Parameter	Value
Connector Style	SMB
Connector Type	Jack, Male Pin
Contact Termination	Solder
Shield Termination	Solder
Impedance	50 Ohms
Mounting Type	Through Hole
Fastening Type	Snap-On
Frequency - Max	4 GHz
Number of Ports	1
Body Material	Brass
Body Finish	Gold
Center Contact Material	Brass
Center Contact Plating	Gold
Dielectric Material	PTFE
Operating Temperature	-65°C ~ 165°C
Voltage Rating	335 V
Mating Cycles	500
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitute parts are grouped strictly by the following parameters:

Connector Style: SMB
Connector Type: Jack, Male Pin
Contact & Shield Termination: Solder
Impedance: 50 Ohms
Mounting Type: Through Hole
Fastening Type: Snap-On
Frequency - Max: 4 GHz
Number of Ports: 1
Body & Center Contact Material: Brass (with listed exceptions)
Body Finish: Gold
Center Contact Plating: Gold
Dielectric Material: PTFE
Operating Temperature: -65°C ~ 165°C
Voltage Rating: ≥335 V (for those provided)
Mating Cycles: 500
Moisture Sensitivity Level (MSL): 1 (Unlimited), where specified
RoHS/REACH/ECCN compliance as provided

Only substitutes with matching values for the above parameters are listed for direct engineering interchange.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Connector Style	Connector Type	Contact Termination	Shield Termination	Impedance	Mounting Type	Fastening Type	Frequency - Max	Number of Ports	Body Material	Body Finish	Center Contact Material	Center Contact Plating	Dielectric Material	Operating Temperature	Voltage Rating	Mating Cycles	Moisture Sensitivity Level	RoHS Status
131-3701-211	Cinch Connectivity Solutions Johnson	SMB	Jack, Male Pin	Solder	Solder	50 Ohms	Through Hole	Snap-On	4 GHz	1	Brass	Gold	Brass	Gold	PTFE	-65°C ~ 165°C	335 V	500	1 (Unlimited)	RoHS Compliant
131-3701-201	Cinch Connectivity Solutions	SMB	Jack, Male Pin	Solder	Solder	50 Ohms	Through Hole	Snap-On	4 GHz	1	Brass	Gold	Brass	Gold	PTFE	-65°C ~ 165°C	335 V	500	1 (Unlimited)	ROHS3 Compliant
131-3701-261	Cinch Connectivity Solutions Johnson	SMB	Jack, Male Pin	Solder	Solder	50 Ohms	Through Hole	Snap-On	4 GHz	1	Brass	Gold	Brass	Gold	PTFE	-65°C ~ 165°C	335 V	500	1 (Unlimited)	ROHS3 Compliant
131-3701-271	Cinch Connectivity Solutions Johnson	SMB	Jack, Male Pin	Solder	Solder	50 Ohms	Through Hole	Snap-On	4 GHz	1	Brass	Gold	Brass	Gold	PTFE	-65°C ~ 165°C	335 V	500	1 (Unlimited)	ROHS3 Compliant
413990-1	TE Connectivity AMP Connectors	SMB	Receptacle, Male Pin	Solder	Solder	50 Ohms	Through Hole	Snap-On	4 GHz	1	Brass	Gold	Brass	Gold	PTFE	-65°C ~ 165°C	335 V	500	1 (Unlimited)	RoHS Compliant
2009-1511-000	Radiall USA, Inc.	SMB	Jack, Male Pin	Solder	Solder	50 Ohms	Through Hole	Snap-On	4 GHz	1	Brass	Gold	Brass	Gold	PTFE	-65°C ~ 165°C	-	500	1 (Unlimited)	ROHS3 Compliant
2009-1511-016	Radiall USA, Inc.	SMB	Jack, Male Pin	Solder	Solder	50 Ohms	Through Hole	Snap-On	4 GHz	1	Brass	Gold	Brass	Gold	PTFE	-65°C ~ 165°C	-	500	1 (Unlimited)	ROHS3 Compliant
2009-1511-050	Radiall USA, Inc.	SMB	Jack, Male Pin	Solder	Solder	50 Ohms	Through Hole	Snap-On	4 GHz	1	Brass	Gold	Brass	Gold	PTFE	-65°C ~ 165°C	-	500	1 (Unlimited)	RoHS Compliant
903-409J-53P	Amphenol RF	SMB	Jack, Male Pin	Solder	Solder	50 Ohms	Through Hole	Snap-On	4 GHz	1	Brass	Gold	Brass	Gold	PTFE	-65°C ~ 165°C	-	500	1 (Unlimited)	ROHS3 Compliant
903-415J-51P	Amphenol RF	SMB	Jack, Male Pin	Solder	Solder	50 Ohms	Through Hole	Snap-On	4 GHz	1	Brass	Gold	Brass	Gold	PTFE	-65°C ~ 165°C	-	500	1 (Unlimited)	ROHS3 Compliant
903-499J-51P2	Amphenol RF	SMB	Jack, Male Pin	Solder	Solder	50 Ohms	Through Hole	Snap-On	4 GHz	1	Zinc Die Cast	Gold	Brass	Gold	PTFE	-65°C ~ 165°C	-	500	1 (Unlimited)	ROHS3 Compliant
B51-351-0000220	ITT Cannon, LLC	SMB	Jack, Male Pin	Solder	Solder	50 Ohms	Through Hole	Snap-On	4 GHz	1	Brass	Gold	Beryllium Copper	Gold	PTFE	-65°C ~ 165°C	-	500	Not Applicable	ROHS3 Compliant
R114426000	Radiall USA, Inc.	SMB	Jack, Male Pin	Solder	Solder	50 Ohms	Through Hole	Snap-On	4 GHz	1	Brass	Gold	Brass	Gold	PTFE	-65°C ~ 165°C	500 V	500	1 (Unlimited)	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts have an active product status and conform to the specified compliance standards, including RoHS compliance, ECCN classification (EAR99), and Moisture Sensitivity Level (MSL) suitability. Selection between substitute parts can be made based on supply availability, inventory, and matched regulatory status, as all meet the required electrical, mechanical, and compliance parameters for direct substitution.

Frequently Asked Questions (FAQ)

Q1: What is the most critical criterion for substituting SMB coaxial connectors?
A1: The most critical criteria are matching connector style (SMB), connector type (Jack, Male Pin), impedance (50 Ohms), contact and shield termination (Solder), mounting (Through Hole), fastening (Snap-On), electrical performance (frequency rating, voltage), mechanical endurance (mating cycles), material composition, and compliance certifications.

Q2: Can I use a version with a different body or center contact material as a substitute?
A2: Substitution is permitted based on the listed parameters. Most substitutes are brass-bodied with gold finishing and brass center contacts. Beryllium copper or zinc die-cast variants are included only where parametric equivalence is stated in the input.

Q3: How does RoHS and MSL affect the selection of substitute parts?
A3: Substitute parts listed have RoHS or ROHS3 compliance and MSL 1 (Unlimited) where specified. These regulatory requirements ensure suitability for use in compliant manufacturing and handling environments.

Q4: Is voltage rating important for all substitutes?
A4: Voltage rating is listed for parts where provided. Substitutes with unspecified voltage should be selected only when equivalence across other key parameters is confirmed.

Q5: Are packaging differences relevant for substitution?
A5: All parts listed are supplied in bulk packaging, matching the main part. This avoids compatibility issues in production processes requiring consistent packaging.

Q6: What is the significance of operating temperature and mating cycles in selection?
A6: Operating temperature (-65°C ~ 165°C) and mating cycles (500) are matched across all substitutes to ensure consistent electrical and mechanical performance in the target application environment.

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