SMA Connector Jack 142-1701-591 Equivalent & Substitute Parts

Part Overview

The Cinch Connectivity Solutions Johnson 142-1701-591 is an SMA connector jack designed for 50-ohm RF applications. This female socket connector features panel mount compression termination with a maximum operating frequency of 26.5 GHz. The part is currently active in production with 693 units in stock. Substitute parts are identified to support inventory management, supply chain continuity, and component availability across manufacturing and field service operations.

Key Parameters

Parameter	Value
Connector Style	SMA
Connector Type	Jack, Female Socket
Impedance	50 Ohms
Contact Termination	Compression
Shield Termination	Screw
Mounting Type	Panel Mount
Mounting Feature	Flange
Frequency - Max	26.5 GHz
Operating Temperature	-65°C ~ 165°C
Voltage Rating	335 V
Mating Cycles	500
Center Contact Material	Beryllium Copper
Body Material	Brass
Body Finish	Gold
Center Contact Plating	Gold
Dielectric Material	Polytetrafluoroethylene (PTFE)

Substitute Part Grouping Explanation

The substitute parts 142-1701-541, 142-1701-631, and 142-1701-641 are classified as parametric equivalents to 142-1701-591. Substitution is valid based on the following criteria:

Electrical Parameters (Identical):

Connector style: SMA
Connector type: Jack, Female Socket
Impedance: 50 Ohms
Frequency maximum: 26.5 GHz
Voltage rating: 335 V
Operating temperature range: -65°C ~ 165°C
Mating cycles: 500

Mechanical Parameters (Identical):

Contact termination: Compression
Shield termination: Screw
Mounting type: Panel Mount
Mounting feature: Flange
Center contact material: Beryllium Copper
Body material: Brass
Body finish: Gold
Center contact plating: Gold
Dielectric material: PTFE

Functional Features (Identical):

Field replaceable
For hermetically sealed pin applications

All substitute parts maintain identical electrical, mechanical, and functional specifications, confirming direct interchangeability within the 142-1701 base product family.

Parameter Comparison

Parameter	142-1701-591	142-1701-541	142-1701-631	142-1701-641
Manufacturer	Cinch Connectivity Solutions Johnson	Cinch Connectivity Solutions	Cinch Connectivity Solutions Johnson	Cinch Connectivity Solutions Johnson
Connector Style	SMA	SMA	SMA	SMA
Connector Type	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket
Impedance	50 Ohms	50 Ohms	50 Ohms	50 Ohms
Contact Termination	Compression	Compression	Compression	Compression
Shield Termination	Screw	Screw	Screw	Screw
Mounting Type	Panel Mount	Panel Mount	Panel Mount	Panel Mount
Frequency - Max	26.5 GHz	26.5 GHz	26.5 GHz	26.5 GHz
Operating Temperature	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C
Voltage Rating	335 V	335 V	335 V	335 V
Mating Cycles	500	500	500	500
Center Contact Material	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper
Body Material	Brass	Brass	Brass	Brass
Body Finish	Gold	Gold	Gold	Gold
Center Contact Plating	Gold	Gold	Gold	Gold
Dielectric Material	PTFE	PTFE	PTFE	PTFE
Product Status	Active	Active	Active	Active
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99	EAR99	EAR99
HTSUS Code	8536.69.4010	8536.69.4010	8536.69.4010	8536.69.4010
Current Inventory	693 Pcs	1750 Pcs	1029 Pcs	981 Pcs

Engineering Selection Recommendations

All substitute parts maintain active product status and comply with applicable regulatory requirements. Part 142-1701-541 offers the highest current inventory at 1750 units. Parts 142-1701-631 and 142-1701-641 are ROHS3 compliant with REACH affected status, while 142-1701-591 carries RoHS compliant certification. Selection should be based on inventory availability, compliance requirements for the target application, and supply chain logistics.

Frequently Asked Questions (FAQ)

Q: Can 142-1701-541, 142-1701-631, and 142-1701-641 be used interchangeably with 142-1701-591?

A: Yes. All four parts share identical electrical specifications (50-ohm impedance, 26.5 GHz maximum frequency, 335 V rating), mechanical design (SMA jack, female socket, compression termination, panel mount flange), and material composition (beryllium copper center contact, brass body with gold finish, PTFE dielectric). They are direct parametric equivalents within the 142-1701 base product family.

Q: Are there compliance differences between these parts?

A: Part 142-1701-591 carries RoHS compliant certification. Parts 142-1701-541, 142-1701-631, and 142-1701-641 are ROHS3 compliant. Parts 142-1701-631 and 142-1701-641 are additionally marked as REACH affected. All parts share identical ECCN (EAR99) and HTSUS (8536.69.4010) classifications.

Q: What is the difference between these part numbers?

A: The suffix digits (591, 541, 631, 641) distinguish variants within the 142-1701 base product line. All variants maintain identical functional and electrical performance for 50-ohm SMA jack applications. Differences are limited to manufacturing batches, compliance certifications, and inventory tracking.

Q: Are moisture sensitivity levels the same across all parts?

A: Yes. All four parts carry MSL rating 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.

Q: Can these parts be used in hermetically sealed applications?

A: Yes. All parts are specified for hermetically sealed pin applications and are field replaceable.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message