L77DFE09SOL2RM8

Part Overview

The Amphenol ICC L77DFE09SOL2RM8 is a 9-position D-Sub receptacle connector with female sockets, configured for panel mount through-hole solder termination. This connector is actively produced and compliant with RoHS standards. Substitute parts are identified when application requirements necessitate alternative mounting configurations, temperature ranges, contact materials, or packaging formats while maintaining functional compatibility within the D-Sub 9-position category.

Key Parameters

Parameter	L77DFE09SOL2RM8
Connector Type	Receptacle, Female Sockets
Number of Positions	9
Shell Size / Layout	1 (DE, E)
Mounting Type	Panel Mount, Through Hole
Termination	Solder
Shell Material / Finish	Steel, Tin Plated
Contact Finish	Gold, 20.0µin (0.51µm)
Current Rating	7.5A
Voltage Rating	300V
Operating Temperature	-55°C ~ 155°C
Flange Feature	Housing/Shell (Unthreaded)
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution compatibility for the L77DFE09SOL2RM8 is determined by strict adherence to the following criteria:

Primary Compatibility Requirements:

Connector Type: Receptacle, Female Sockets (required)
Number of Positions: 9 (required)
Shell Size / Layout: 1 (DE, E) (required)
Termination: Solder (required)
Contact Type: Signal (required)
Number of Rows: 2 (required)

Secondary Parameters Affecting Substitutability:

Current Rating: Minimum 6.5A (exceeds main part at 7.5A)
Operating Temperature Range: Must support application requirements
Flange Feature: Affects mounting compatibility; variations include Board Side, Mating Side Screwlock, or Housing/Shell configurations
Contact Form: Machined or Stamped
Dielectric Material: Thermoplastic variations
RoHS Compliance Status: ROHS3 or RoHS Compliant acceptable

Substitute parts grouped below satisfy all primary compatibility requirements. Secondary parameters indicate design variations that may affect application-specific performance or environmental suitability.

Parameter Comparison

Part Number	Manufacturer	Connector Type	Positions	Mounting Type	Shell Finish	Contact Finish	Current Rating (A)	Voltage Rating (V)	Op. Temp. (°C)	Flange Feature	Contact Form	Dielectric Material	RoHS Status
L77DFE09SOL2RM8	Amphenol ICC	Receptacle, Female Sockets	9	Panel Mount, Through Hole	Steel, Tin Plated	Gold	7.5	300	-55 ~ 155	Housing/Shell (Unthreaded)	Machined	Thermoplastic, Glass Filled	RoHS Compliant
09641127230	HARTING	Receptacle, Female Sockets	9	Through Hole	Steel	—	7.5	100	-20 ~ 125	Housing/Shell (Unthreaded)	Machined	PCT	ROHS3 Compliant
09641127235	HARTING	Receptacle, Female Sockets	9	Through Hole	Steel, Tin Plated	—	7.5	100	-20 ~ 125	Board Side (4-40)	Machined	PCT	ROHS3 Compliant
09661116503	HARTING	Receptacle, Female Sockets	9	Through Hole	Steel	—	6.5	—	-55 ~ 125	Mating Side, Female Screwlock (4-40)	Stamped	PBT, Polyester, Glass Filled	ROHS3 Compliant
09661117503	HARTING	Receptacle, Female Sockets	9	Through Hole	Steel	—	6.5	—	-55 ~ 125	Mating Side, Female Screwlock (4-40)	Stamped	PBT, Polyester, Glass Filled	ROHS3 Compliant
09661516513	HARTING	Receptacle, Female Sockets	9	Through Hole	Steel	—	6.5	—	-55 ~ 125	Mating Side, Female Screwlock (4-40)	Stamped	PBT, Polyester, Glass Filled	ROHS3 Compliant
09661517513	HARTING	Receptacle, Female Sockets	9	Through Hole	Steel	—	6.5	—	-55 ~ 125	Mating Side, Female Screwlock (4-40)	Stamped	PBT, Polyester, Glass Filled	ROHS3 Compliant
09661556513	HARTING	Receptacle, Female Sockets	9	Through Hole	Steel	Gold	6.5	—	-55 ~ 125	Mating Side, Female Screwlock (4-40)	Stamped	PCT, Glass Filled	ROHS3 Compliant
2-338313-2	TE Connectivity AMP	Receptacle, Female Sockets	9	Through Hole	Steel, Tin Plated	Gold	6	—	-55 ~ 105	Housing/Shell (M3)	—	Polyester, Glass Filled	ROHS3 Compliant
6-338313-2	TE Connectivity AMP	Receptacle, Female Sockets	9	Through Hole	Steel, Tin Plated	Gold	6	—	-55 ~ 105	Housing/Shell (4-40)	—	Polyester, Glass Filled	RoHS Compliant

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

09641127235 (HARTING): Maintains equivalent current rating (7.5A), tin-plated shell finish, and board-side mounting compatibility. Reduced operating temperature range (-20°C ~ 125°C) and lower voltage rating (100V) require application validation against the main part's 300V specification.
09641127230 (HARTING): Equivalent current rating and board-side mounting design. Temperature range restriction to -20°C ~ 125°C and unspecified contact finish require functional verification.

Secondary Substitutes (Functional Equivalence with Design Variations):

09661556513 (HARTING): Matches gold contact finish of main part; mating-side screwlock flange differs from unthreaded housing. 6.5A current rating and -55°C ~ 125°C temperature range support extended cold operation without exceeding main part thermal limits. ROHS3 compliant.
09661116503, 09661117503, 09661516513 (HARTING): Mating-side female screwlock flange differs from unthreaded housing. Stamped contact form contrasts with machined contacts on main part. 6.5A current rating and absence of voltage rating specification require application review.
2-338313-2, 6-338313-2 (TE Connectivity AMP AMPLIMITE HD-20 Series): Flange configurations differ (M3 thread vs. 4-40 thread vs. unthreaded main part). Reduced current rating (6A) and maximum operating temperature (105°C) limit applicability. Gold contact finish and ROHS3 compliance maintained.

Product Status: All substitute parts maintain active production status, ensuring supply chain continuity and availability equivalent to the main part.

Frequently Asked Questions (FAQ)

Q: Can 09641127235 replace L77DFE09SOL2RM8 in all applications? A: 09641127235 is functionally compatible for 9-position D-Sub receptacle applications requiring 7.5A current. Electrical compatibility requires validation: operating temperature limitation (-20°C ~ 125°C vs. -55°C ~ 155°C) and voltage rating reduction (100V vs. 300V) must align with circuit requirements.

Q: What is the primary difference between flange features (unthreaded, board-side, mating-side screwlock)? A: Flange feature determines mounting interface. Unthreaded housings (L77DFE09SOL2RM8, 09641127230) affix through press-fit or adhesive to panel surfaces. Board-side flanges (09641127235) mount via fasteners to printed circuit board edges. Mating-side screwlock (09661116503, 09661117503, 09661516513, 09661556513) secure connector pairs through threaded coupling on connector shell. Selection depends on mechanical mounting requirements.

Q: Can stamped-contact connectors substitute for machined-contact connectors? A: Stamped contacts (09661116503, 09661117503, 09661516513, 09661556513) and machined contacts (L77DFE09SOL2RM8, 09641127235, 09641127230) both provide signal-grade contact integrity. Stamped contacts deliver equivalent electrical performance with cost differentiation. Contact form selection depends on current-carrying capacity, durability requirements, and mating cycle expectations within system design constraints.

Q: Which substitutes maintain the 7.5A current rating? A: Only 09641127230 and 09641127235 (HARTING) maintain 7.5A current rating equivalent to L77DFE09SOL2RM8. All other HARTING substitutes reduce current capability to 6.5A; TE Connectivity AMP substitutes further reduce to 6A. Applications requiring sustained 7.5A operation limit substitutability to these two HARTING part numbers.

Q: What is the operating temperature limitation among substitutes? A: L77DFE09SOL2RM8 operates -55°C ~ 155°C. HARTING parts 09661116503, 09661117503, 09661516513, and 09661556513 support -55°C ~ 125°C (30°C reduction in maximum). HARTING parts 09641127230 and 09641127235 restrict operation to -20°C ~ 125°C. TE Connectivity AMP parts (2-338313-2, 6-338313-2) limit maximum temperature to 105°C (50°C reduction). High-temperature applications (-55°C baseline with >125°C operation) restrict substitution to 09661116503, 09661117503, 09661516513, or 09661556513.

Q: Are all substitutes RoHS compliant? A: All substitute parts conform to RoHS requirements. HARTING and TE Connectivity substitutes carry ROHS3 certification, meeting current and future regulatory requirements. Main part L77DFE09SOL2RM8 holds RoHS Compliant status. Both compliance levels satisfy RoHS directives.

Q: Does packaging format affect functional compatibility? A: Packaging (bulk, tray) is a logistics and supply consideration, not a functional parameter. Bulk packaging (09641127230, 09641127235, 09661116503, 09661117503, 09661517513, 09661556513, 2-338313-2, 6-338313-2) and tray packaging (09661516513) deliver electrically identical components. Selection reflects procurement and inventory management practices.

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