MMCX-R-PC Equivalent & Substitute Parts

Part Overview

The MMCX-R-PC is a coaxial connector receptacle manufactured by Hirose Electric Co Ltd, designed for 50 Ohm RF applications with through-hole PCB mounting. This female socket connector operates at frequencies up to 6 GHz and utilizes snap-on fastening with solder termination for both center contact and shield. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Connector Style	MMCX
Connector Type	Receptacle, Female Socket
Impedance	50 Ohms
Mounting Type	Through Hole
Contact Termination	Solder
Shield Termination	Solder
Frequency - Max	6 GHz
Fastening Type	Snap-On
Operating Temperature	-55°C ~ 85°C
Mating Cycles	500
Center Contact Material	Beryllium Copper
Body Material	Brass
Dielectric Material	Polytetrafluoroethylene (PTFE)
Housing Color	Gold
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the MMCX-R-PC is determined by strict equivalence across the following critical parameters:

Connector Style: MMCX
Connector Type: Receptacle, Female Socket
Impedance: 50 Ohms
Mounting Type: Through Hole
Contact Termination: Solder
Shield Termination: Solder
Frequency - Max: 6 GHz
Fastening Type: Snap-On
Mating Cycles: 500
Dielectric Material: Polytetrafluoroethylene (PTFE)

Substitute parts are grouped into two categories:

Parametric Equivalents maintain identical electrical and mechanical specifications with the main part, differing only in product status or compliance certifications.

Direct Manufacturer Alternatives are offered by different manufacturers and may include variations in body material, operating temperature range, or voltage rating while maintaining core RF performance characteristics.

Parameter Comparison

Part Number	Manufacturer	Connector Type	Impedance	Mounting Type	Frequency - Max	Operating Temperature	Mating Cycles	Product Status	RoHS Status
MMCX-R-PC	Hirose Electric Co Ltd	Receptacle, Female Socket	50 Ohms	Through Hole	6 GHz	-55°C ~ 85°C	500	Obsolete	RoHS non-compliant
MMCX-R-PC-7	Hirose Electric Co Ltd	Receptacle, Female Socket	50 Ohms	Through Hole	6 GHz	-55°C ~ 85°C	500	Active	RoHS Compliant
908-NM22106	Amphenol RF	Jack, Female Socket	50 Ohms	Through Hole	6 GHz	-65°C ~ 165°C	500	Active	ROHS3 Compliant
908-22106	Amphenol RF	Jack, Female Socket	50 Ohms	Through Hole	6 GHz	Not specified	500	Active	ROHS3 Compliant
135-3701-201	Cinch Connectivity Solutions	Jack, Female Socket	50 Ohms	Through Hole	6 GHz	-65°C ~ 165°C	500	Active	ROHS3 Compliant
135-3701-211	Cinch Connectivity Solutions Johnson	Jack, Female Socket	50 Ohms	Through Hole	6 GHz	-55°C ~ 155°C	500	Active	ROHS3 Compliant
1-1634009-0	TE Connectivity AMP Connectors	Receptacle, Female Socket	50 Ohms	Through Hole	6 GHz	-65°C ~ 165°C	500	Active	ROHS3 Compliant
CONMMCX001	TE Connectivity Linx	Receptacle, Female Socket	50 Ohms	Through Hole	6 GHz	-65°C ~ 165°C	500	Active	RoHS Compliant

Engineering Selection Recommendations

Primary Recommendation: MMCX-R-PC-7

The MMCX-R-PC-7 is the direct active replacement from the original manufacturer Hirose Electric Co Ltd. It maintains identical electrical and mechanical specifications to the obsolete MMCX-R-PC while achieving RoHS Compliance. This part is currently in active production status with 870 units in stock.

Secondary Recommendations for Extended Operating Range:

Parts 1-1634009-0 (TE Connectivity AMP Connectors) and CONMMCX001 (TE Connectivity Linx) provide receptacle configurations identical to the main part with extended operating temperature ranges (-65°C ~ 165°C). Both are ROHS3 Compliant and in active production. CONMMCX001 additionally specifies 0.2 dB insertion loss and maintains RoHS Compliance status.

Alternative Recommendations for Jack Configuration:

Parts 908-NM22106, 908-22106, 135-3701-201, and 135-3701-211 are jack-type connectors from Amphenol RF and Cinch Connectivity Solutions. These parts maintain 50 Ohm impedance, 6 GHz frequency capability, and through-hole mounting. All are ROHS3 Compliant and in active production. Selection among these alternatives depends on specific operating temperature requirements and voltage rating specifications.

Compliance Consideration:

The original MMCX-R-PC is RoHS non-compliant. All recommended substitutes achieve either RoHS Compliance or ROHS3 Compliance status, supporting modern procurement and environmental requirements.

Frequently Asked Questions (FAQ)

Q: Can MMCX-R-PC-7 be used as a direct replacement for MMCX-R-PC?

A: Yes. MMCX-R-PC-7 maintains identical electrical and mechanical specifications including connector style, impedance, mounting type, frequency range, and mating cycles. The primary difference is product status (active vs. obsolete) and RoHS compliance improvement.

Q: What is the difference between receptacle and jack connector types in this product line?

A: Both receptacle and jack types are female socket connectors compatible with MMCX male plugs. The terminology reflects different manufacturer naming conventions. Electrical and mechanical performance are equivalent when other parameters match.

Q: Are the Amphenol RF and Cinch Connectivity Solutions parts compatible with the original Hirose design?

A: Yes, when core parameters align: MMCX connector style, 50 Ohm impedance, through-hole mounting, solder termination, 6 GHz frequency capability, and snap-on fastening. These parts are direct functional equivalents despite manufacturer differences.

Q: What is the significance of the extended operating temperature range in substitute parts?

A: Several substitutes specify -65°C ~ 165°C versus the original -55°C ~ 85°C. Extended range provides design flexibility for applications requiring broader temperature operation. Selection depends on actual application requirements.

Q: Does insertion loss specification affect substitution compatibility?

A: CONMMCX001 specifies 0.2 dB insertion loss while other parts do not provide this specification. For RF applications where insertion loss is critical, CONMMCX001 provides documented performance. For applications where insertion loss is not specified in design requirements, all parts are equivalent.

Q: What is the inventory status for these substitute parts?

A: MMCX-R-PC-7 has 870 units in stock. CONMMCX001 has the highest availability at 10,623 units. 1-1634009-0 has 2,300 units. Amphenol RF parts range from 1,012 to 4,265 units. Cinch parts have 2,000 to 2,700 units available.

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