Molex 0702800693 Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The Molex 0702800693 is a vertical rectangular connector header designed for through-hole mounting applications. This 50-position, 2-row connector with 0.100" (2.54mm) pitch serves board-to-board and cable interconnection requirements across automotive, medical, telecommunications, and general-purpose applications. The part is currently active in production with 697 units in stock. Substitute parts are identified to address inventory availability, lead time requirements, or specific application constraints while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Connector Type	Header, Breakaway
Contact Type	Male Pin
Number of Positions	50
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Shrouding	Unshrouded
Contact Shape	Square
Material Flammability Rating	UL94 V-0
Insulation Color	Black
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0702800693 is determined by strict equivalence across the following critical parameters:

Connector Configuration: 50 positions, 2 rows, 0.100" (2.54mm) mating pitch, 0.100" (2.54mm) row spacing
Contact Specification: Male pin, square contact shape, solder termination
Mounting & Assembly: Through-hole mounting, push-pull fastening, unshrouded design
Compliance & Safety: UL94 V-0 flammability rating, black insulation, MSL 1 classification
Mechanical Compatibility: Board-to-board or cable style, breakaway connector type

All four substitute parts (77313-101-50LF, 77313-118-50LF, PBC25DAAN, PEC25DAAN) meet these core requirements. Variations in contact length, contact material composition, contact finish specifications, and operating temperature ranges do not preclude substitution when the mating interface and electrical performance remain functionally equivalent for the application.

Parameter Comparison

Parameter	Molex 0702800693	Amphenol ICC 77313-101-50LF	Amphenol ICC 77313-118-50LF	Sullins PBC25DAAN	Sullins PEC25DAAN
Manufacturer	Molex	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Sullins Connector Solutions	Sullins Connector Solutions
Number of Positions	50	50	50	50	50
Number of Rows	2	2	2	2	2
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Connector Type	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Shrouding	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded
Contact Shape	Square	Square	Square	Square	Square
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Insulation Color	Black	Black	Black	Black	Black
Contact Finish - Mating	Gold	Gold or Gold, GXT™	Gold or Gold, GXT™	Gold	Tin
Contact Finish - Post	Tin	Tin	Tin	Tin	Tin
Contact Material	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Insulation Material	Liquid Crystal Polymer (LCP), Glass Filled	Thermoplastic	Thermoplastic	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)
Operating Temperature	Not specified	-65°C ~ 130°C	-65°C ~ 130°C	-65°C ~ 125°C	-65°C ~ 125°C
Current Rating (Amps)	Not specified	3A per Contact	3A per Contact	3A	3A
RoHS Status	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Applicable	Not Applicable
Product Status	Active	Active	Active	Active	Active
Inventory (Pcs)	697	1248	1292	1881	1730

Engineering Selection Recommendations

All four substitute parts are active production items with full RoHS compliance. Selection between the Molex 0702800693 and its substitutes should be based on the following factors:

Amphenol ICC 77313-101-50LF and 77313-118-50LF (BERGSTIK® Series): These parts offer extended operating temperature range (-65°C to 130°C) and documented current rating (3A per contact). The primary difference between these two variants is contact post length (0.095" vs. 0.120"), which may affect board layout and mating depth. Both maintain MSL 1 classification and RoHS compliance.

Sullins PBC25DAAN and PEC25DAAN: These parts provide higher inventory availability and operate within -65°C to 125°C range. PBC25DAAN features gold mating contact finish, while PEC25DAAN uses tin finish. Both use PBT insulation material and carry ROHS3 compliance. MSL classification is not applicable for these parts.

Selection should prioritize part availability, lead time requirements, and specific thermal or environmental constraints of the application. All parts maintain functional equivalence at the mating interface.

Frequently Asked Questions (FAQ)

Q: Can the Amphenol ICC 77313-101-50LF and 77313-118-50LF be used interchangeably with the Molex 0702800693?

A: Yes. Both parts meet the core substitution criteria: 50 positions, 2 rows, 0.100" (2.54mm) pitch, male pin contacts, through-hole solder termination, and push-pull fastening. The difference in contact post length (0.095" vs. 0.120") does not affect mating compatibility but may influence board layout spacing. Verify PCB hole depth and component placement before selection.

Q: What is the difference between Sullins PBC25DAAN and PEC25DAAN?

A: The primary difference is mating contact finish. PBC25DAAN uses gold finish on mating contacts, while PEC25DAAN uses tin finish. Both parts share identical pitch, position count, row configuration, and termination method. Contact finish selection should align with application requirements for corrosion resistance and signal integrity.

Q: Are there operating temperature limitations when substituting parts?

A: The Molex 0702800693 does not specify an operating temperature range. Amphenol ICC parts operate from -65°C to 130°C, while Sullins parts operate from -65°C to 125°C. If the application requires operation above 125°C, Amphenol ICC parts are preferred. For standard industrial and consumer applications within -40°C to 85°C, all substitutes are functionally equivalent.

Q: Do all substitute parts maintain the same insulation material?

A: No. The Molex 0702800693 uses Liquid Crystal Polymer (LCP) with glass fill. Amphenol ICC parts use Thermoplastic insulation, while Sullins parts use Polybutylene Terephthalate (PBT). All materials meet UL94 V-0 flammability requirements. Material selection does not affect mating interface compatibility but may influence mechanical durability and environmental resistance in specific applications.

Q: What is the significance of MSL classification differences?

A: The Molex and Amphenol ICC parts carry MSL 1 (Unlimited) classification, indicating no moisture sensitivity restrictions during storage or handling. Sullins parts show MSL as Not Applicable, indicating these components do not require moisture-controlled storage. Both classifications are acceptable for standard manufacturing environments.

Q: Can contact finish differences affect signal integrity?

A: Contact finish (gold vs. tin) affects long-term corrosion resistance and contact resistance stability. Gold-finished contacts (Molex 0702800693, Amphenol ICC parts, Sullins PBC25DAAN) provide superior corrosion resistance and are preferred for high-reliability applications. Tin-finished contacts (Sullins PEC25DAAN) are suitable for standard applications with adequate environmental protection. Signal integrity at 2.54mm pitch is not materially affected by finish type in typical digital and analog applications.

Q: Are all parts suitable for automotive applications?

A: The Molex 0702800693 explicitly lists automotive applications. Substitute parts do not specify automotive applications in the provided data. If automotive qualification or AEC-Q standards compliance is required, verify with the manufacturer before substitution.

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