Pomona Electronics 73005 MCX Connector Plug - Equivalent & Substitute Parts

Part Overview

The Pomona Electronics 73005 is an MCX connector plug designed for 50-ohm coaxial applications with right-angle solder termination. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing system maintenance and new procurement requirements. The connector accommodates RG-174 and RG-316 cable groups with a maximum operating frequency of 3 GHz and temperature range of -55°C to 155°C.

Key Parameters

Parameter	Value
Connector Style	MCX
Connector Type	Plug, Male Pin
Contact Termination	Solder
Shield Termination	Crimp
Impedance	50 Ohms
Mounting Type	Free Hanging (In-Line), Right Angle
Fastening Type	Snap-On
Frequency - Max	3 GHz
Number of Ports	1
Operating Temperature	-55°C ~ 155°C
Voltage Rating	170 V
Mating Cycles	500
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the Pomona Electronics 73005 are qualified based on the following critical parameters that must align with the original specification:

Connector Style: MCX (mandatory match)
Connector Type: Plug, Male Pin (mandatory match)
Contact Termination: Solder (mandatory match)
Shield Termination: Crimp (mandatory match)
Impedance: 50 Ohms (mandatory match)
Mounting Type: Free Hanging (In-Line), Right Angle (mandatory match)
Fastening Type: Snap-On (mandatory match)
Number of Ports: 1 (mandatory match)
Mating Cycles: 500 (mandatory match)

The substitute parts identified are manufactured by Amphenol RF and maintain electrical and mechanical compatibility with the original Pomona Electronics 73005 connector. Both substitute parts support the core MCX plug configuration with solder contact termination and crimp shield termination required for 50-ohm RF applications.

Parameter Comparison

Parameter	Pomona 73005	Amphenol 919-104P-51AX	Amphenol 919-NM122P-51A
Manufacturer	Pomona Electronics	Amphenol RF	Amphenol RF
Product Status	Obsolete	Not For New Designs	Active
Connector Style	MCX	MCX	MCX
Connector Type	Plug, Male Pin	Plug, Male Pin	Plug, Male Pin
Contact Termination	Solder	Solder	Solder
Shield Termination	Crimp	Crimp	Crimp
Impedance	50 Ohms	50 Ohms	50 Ohms
Mounting Type	Free Hanging (In-Line), Right Angle	Free Hanging (In-Line), Right Angle	Free Hanging (In-Line), Right Angle
Fastening Type	Snap-On	Snap-On	Snap-On
Frequency - Max	3 GHz	6 GHz	6 GHz
Number of Ports	1	1	1
Operating Temperature	-55°C ~ 155°C	-40°C ~ 85°C	-40°C ~ 155°C
Voltage Rating	170 V	Not specified	Not specified
Mating Cycles	500	500	500
Insertion Loss	Not specified	0.1 dB	0.1 dB
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Affected	REACH Affected

Engineering Selection Recommendations

Amphenol RF 919-NM122P-51A is the primary substitute for the Pomona Electronics 73005. This part carries Active product status, ensuring ongoing availability and support. It maintains full compliance with ROHS3 and supports the complete operating temperature range of -40°C to 155°C, matching the upper temperature limit of the original component. The connector is manufactured from beryllium copper with white bronze finish and includes non-magnetic features.

Amphenol RF 919-104P-51AX is a secondary substitute classified as Not For New Designs. While electrically and mechanically compatible, this part has a reduced operating temperature range of -40°C to 85°C, which may not accommodate the full -55°C lower temperature specification of the original Pomona connector. This part is suitable only for applications where the lower temperature limit does not exceed -40°C.

Both substitute parts are ROHS3 compliant and support the 50-ohm impedance, solder contact termination, and crimp shield termination required for RF coaxial applications. The Amphenol parts support higher maximum frequencies (6 GHz versus 3 GHz), providing enhanced performance margin for existing designs.

Frequently Asked Questions (FAQ)

Q: Can the Amphenol RF 919-NM122P-51A directly replace the Pomona Electronics 73005?

A: Yes. Both connectors share identical MCX plug configuration, 50-ohm impedance, solder contact termination, crimp shield termination, snap-on fastening, and 500 mating cycle rating. The Amphenol part supports the full operating temperature range and carries Active product status.

Q: What is the difference between the two Amphenol substitute parts?

A: The 919-104P-51AX has a reduced operating temperature range (-40°C to 85°C) compared to the 919-NM122P-51A (-40°C to 155°C). The 919-NM122P-51A is Active status; the 919-104P-51AX is Not For New Designs. Cable group compatibility differs between the two parts.

Q: Are there temperature limitations when using the Amphenol 919-104P-51AX?

A: Yes. The 919-104P-51AX operates only to -40°C minimum, whereas the original Pomona 73005 operates to -55°C. Applications requiring operation below -40°C must use the 919-NM122P-51A or maintain the original Pomona part.

Q: Do the substitute parts support the same cable groups as the Pomona 73005?

A: The Pomona 73005 supports RG-174 and RG-316 cables. The Amphenol 919-104P-51AX supports RG-174, 188, 188A, 316, LMR-100, and M17/119-RG174. The Amphenol 919-NM122P-51A supports RG-178, 178A, 178B, 196, 196A, and M17/93-RG178. Cable group compatibility must be verified for specific applications.

Q: Are both substitute parts RoHS and REACH compliant?

A: Both Amphenol parts are ROHS3 compliant. Both are REACH Affected, whereas the original Pomona part is REACH Unaffected. Regulatory requirements for your application must be evaluated.

Q: What is the maximum frequency rating for the substitute parts?

A: Both Amphenol substitute parts support 6 GHz maximum frequency, compared to 3 GHz for the original Pomona 73005. This provides additional performance margin for RF applications.

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