R124423243W SMA Female Socket Coaxial Connector Equivalent & Substitute Parts

Part Overview

The R124423243W is an SMA straight jack female socket receptacle manufactured by Radiall USA, Inc., designed for 50-ohm RF coaxial applications. This connector features board edge, end-launch solder termination and operates across a frequency range up to 18 GHz with an operating temperature range of -65°C to 165°C. The part is currently active in production with 1,057 units in stock.

Equivalent and substitute parts are identified based on matching electrical specifications (50-ohm impedance, 18 GHz maximum frequency, SMA connector style, female socket configuration) and mechanical compatibility (board edge end-launch mounting, solder termination, threaded fastening). Substitute parts may vary in body material composition, mating cycle ratings, and regulatory compliance certifications while maintaining functional equivalence for RF applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	R124423243W
Manufacturer	Radiall USA, Inc.
Category	Coaxial Connectors (RF)
Connector Style	SMA
Connector Type	Jack, Female Socket
Impedance	50 Ohms
Frequency - Max	18 GHz
Mounting Type	Board Edge, End Launch
Contact Termination	Solder
Shield Termination	Solder
Fastening Type	Threaded
Operating Temperature	-65°C ~ 165°C
Voltage Rating	500 V
Number of Ports	1
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the R124423243W are grouped into two categories based on parametric equivalence:

Category 1: Radiall USA, Inc. Equivalents These parts maintain identical electrical specifications and mounting configuration. Substitution is based on matching: SMA connector style, female socket configuration, 50-ohm impedance, 18 GHz maximum frequency, board edge end-launch solder termination, threaded fastening, -65°C to 165°C operating temperature range, and 500 V voltage rating. Variations occur in body material (brass versus stainless steel) and mating cycle ratings (100 versus 500 cycles).

Category 2: Cinch Connectivity Solutions Equivalents These parts provide functional equivalence across all critical RF parameters: SMA connector style, female socket configuration, 50-ohm impedance, 18 GHz maximum frequency, board edge end-launch solder termination, and threaded fastening. Operating temperature range and connector geometry remain identical. Voltage rating differs at 335 V (versus 500 V on the main part), and mating cycle ratings are 500 cycles. Body material is brass with gold finish.

All substitute parts share the same dielectric material (PTFE), center contact material (beryllium copper), and gold plating specifications. Substitution logic is based strictly on these electrical and mechanical parameters without consideration of performance assumptions or application-specific testing.

Parameter Comparison

Parameter	R124423243W	9650-1113-017	R124423223	R124423243	R125423200	142-0701-801	142-0701-841	142-0701-881	142-0711-821	142-0711-841	142-0711-871
Manufacturer	Radiall USA, Inc.	Radiall USA, Inc.	Radiall USA, Inc.	Radiall USA, Inc.	Radiall USA, Inc.	Cinch Connectivity Solutions Johnson	Cinch Connectivity Solutions	Cinch Connectivity Solutions Johnson	Cinch Connectivity Solutions	Cinch Connectivity Solutions Johnson	Cinch Connectivity Solutions
Connector Style	SMA	SMA	SMA	SMA	SMA	SMA	SMA	SMA	SMA	SMA	SMA
Connector Type	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket
Impedance	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms
Frequency - Max	18 GHz	18 GHz	18 GHz	18 GHz	18 GHz	18 GHz	18 GHz	18 GHz	18 GHz	18 GHz	18 GHz
Mounting Type	Board Edge, End Launch	Board Edge, End Launch	Board Edge, End Launch	Board Edge, End Launch	Board Edge, End Launch	Board Edge, End Launch	Board Edge, End Launch	Board Edge, End Launch	Board Edge, End Launch	Board Edge, End Launch	Board Edge, End Launch
Contact Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Shield Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Threaded	Threaded	Threaded	Threaded	Threaded	Threaded	Threaded	Threaded	Threaded	Threaded	Threaded
Operating Temperature	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C
Voltage Rating	500 V	Not Specified	500 V	500 V	500 V	335 V	335 V	335 V	335 V	335 V	335 V
Mating Cycles	100	500	100	100	500	500	500	500	500	500	500
Body Material	Brass	Stainless Steel	Brass	Brass	Stainless Steel	Brass	Brass	Brass	Brass	Brass	Brass
Center Contact Material	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper
Dielectric Material	PTFE	PTFE	PTFE	PTFE	PTFE	PTFE	PTFE	PTFE	PTFE	PTFE	PTFE
RoHS Status	Not Specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	Not Applicable	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Radiall USA, Inc. Substitutes (R124423223, R124423243, R125423200, 9650-1113-017)

Parts R124423223 and R124423243 are direct parametric equivalents to R124423243W, sharing identical body material (brass), voltage rating (500 V), and mating cycle specification (100 cycles). Both parts carry ROHS3 compliance and MSL 1 (Unlimited) ratings. R124423243 offers the highest inventory availability at 18,956 units.

Part R125423200 provides an alternative with stainless steel body construction and enhanced mating cycle rating (500 cycles) while maintaining the 500 V voltage specification. This part is suitable for applications requiring extended connector lifecycle.

Part 9650-1113-017 features stainless steel body construction with 500 mating cycles and ROHS3 compliance. Voltage rating is not specified for this part.

Cinch Connectivity Solutions Substitutes (142-0701-801, 142-0701-841, 142-0701-881, 142-0711-821, 142-0711-841, 142-0711-871)

All Cinch parts maintain electrical equivalence across RF parameters (50 ohms, 18 GHz, SMA female socket, board edge end-launch solder termination). These parts feature 335 V voltage rating and 500 mating cycle rating. Brass body construction with gold finish is consistent across all variants.

Parts 142-0701-841 and 142-0701-881 offer the highest inventory levels (20,558 and 3,866 units respectively) among Cinch substitutes. Part 142-0711-821 carries RoHS compliance (non-ROHS3) and REACH Unaffected status, distinguishing it from other Cinch variants which carry ROHS3 compliance and REACH Affected status.

Selection Criteria

Selection between Radiall and Cinch substitutes depends on voltage rating requirements (500 V for Radiall, 335 V for Cinch) and mating cycle expectations (100 cycles for R124423223/R124423243, 500 cycles for R125423200/9650-1113-017 and all Cinch parts). Regulatory compliance requirements (ROHS3 versus RoHS, REACH status) should be evaluated against application specifications. Inventory availability varies significantly across all substitute options.

Frequently Asked Questions (FAQ)

Q: What are the critical parameters that determine substitutability for the R124423243W?

A: The R124423243W can be substituted with parts that maintain: SMA connector style, female socket (jack) configuration, 50-ohm impedance, 18 GHz maximum frequency, board edge end-launch mounting, solder termination for both contact and shield, threaded fastening, -65°C to 165°C operating temperature range, beryllium copper center contact material, and PTFE dielectric material. Variations in body material, mating cycle rating, and voltage rating do not prevent substitution provided the application requirements accommodate these differences.

Q: Can I substitute a Cinch part (335 V rating) for the R124423243W (500 V rating)?

A: Substitution is possible if the application voltage requirements do not exceed 335 V. The Cinch parts (142-0701-801, 142-0701-841, 142-0701-881, 142-0711-821, 142-0711-841, 142-0711-871) are electrically and mechanically equivalent across all RF parameters. However, if the application requires the full 500 V rating of the original part, Radiall substitutes (R124423223, R124423243, R125423200) must be used.

Q: What is the difference between the Radiall stainless steel options (9650-1113-017, R125423200) and brass options?

A: Stainless steel body construction (9650-1113-017, R125423200) provides enhanced mating cycle capability (500 cycles) compared to brass body parts (100 cycles for R124423223/R124423243). Both material options maintain identical RF electrical specifications and operating temperature range. Selection depends on connector lifecycle requirements and environmental corrosion resistance considerations.

Q: Are all substitute parts RoHS compliant?

A: Most substitute parts carry ROHS3 compliance. Exception: part 142-0711-821 carries RoHS compliance (non-ROHS3 designation) and REACH Unaffected status. The original R124423243W does not specify RoHS status. Regulatory compliance requirements should be confirmed against application specifications before final part selection.

Q: What is the inventory status of substitute parts?

A: Inventory levels vary significantly. Highest availability: R124423243 (18,956 units), 142-0701-841 (20,558 units). Moderate availability: R125423200 (1,747 units), 9650-1113-017 (894 units), 142-0701-801 (9,111 units). Lower availability: 142-0711-821 (2,052 units), 142-0711-841 (3,252 units), 142-0701-881 (3,866 units), 142-0711-871 (890 units). Original part R124423243W has 1,057 units in stock.

Q: Can I use part R124423243 (without the "W" suffix) as a direct replacement for R124423243W?

A: Yes. Part R124423243 is a parametric equivalent with identical specifications: brass body, 500 V rating, 100 mating cycles, PTFE dielectric, beryllium copper center contact, and all RF parameters matching the original. The "W" suffix designation difference does not indicate a functional variation. R124423243 offers significantly higher inventory availability (18,956 units).

Q: What mounting considerations apply when substituting these parts?

A: All substitute parts share identical board edge, end-launch solder mounting configuration. PCB layout, trace impedance, and solder pad dimensions remain compatible across all listed substitutes. Threaded fastening is consistent across all parts. No mechanical redesign is required for substitution.

Q: How do mating cycle ratings affect part selection?

A: Mating cycle rating indicates connector durability through repeated connection/disconnection cycles. The original R124423243W and parts R124423223 are rated for 100 cycles. Parts R125423200, 9650-1113-017, and all Cinch variants are rated for 500 cycles. Applications with frequent connector engagement should prioritize 500-cycle rated parts. Static or infrequent connection applications can use 100-cycle rated parts.

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