L77DEH09SOL2

Part Overview

The L77DEH09SOL2 is a 9-position D-Sub receptacle connector manufactured by Amphenol ICC (Commercial Products). This through-hole solder-terminated connector features female sockets with a 2-row configuration in shell size 1 (DE, E), designed for signal applications with a board-side 4-40 flange. The product maintains active status in the market.

Alternative models become necessary when specific application requirements demand different electrical ratings, operating temperature ranges, contact finishing specifications, or mechanical mounting configurations that the primary part cannot satisfy.

Key Parameters

Parameter	L77DEH09SOL2 Specification
Connector Type	Receptacle, Female Sockets
Number of Positions	9
Shell Size	1 (DE, E)
Mounting Type	Through Hole
Termination	Solder
Flange Feature	Board Side (4-40)
Current Rating	7.5A
Voltage Rating	300V
Operating Temperature	-55°C ~ 125°C
Shell Material/Finish	Steel, Tin Plated
Contact Finish	Gold (8.00µin / 0.203µm)
Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute components are acceptable where the following parameters remain consistent or equivalent with the main part:

Critical Parameters (Must Match or Exceed):

Connector type: Receptacle, Female Sockets
Number of positions: 9
Shell size: 1 (DE, E)
Mounting type: Through Hole
Termination method: Solder
Flammability rating: UL94 V-0

Allowable Variations (Electrical/Mechanical Compatibility):

Current rating: Substitute must equal or exceed 7.5A requirement
Voltage rating: Substitute must equal or exceed 300V requirement
Operating temperature: Substitute range must encompass -55°C to 125°C
Contact finish: Gold or plated equivalent finishes acceptable
Shell material/finish: Steel variants with different plating (tin, nickel) acceptable
Flange feature: Board side 4-40, housing/shell unthreaded, or mating side screwlock variants acceptable based on mechanical interface
Dielectric material: Thermoplastic, glass-filled polymer alternatives acceptable
Contact form: Machined or stamped contacts acceptable

Substitutes with reduced electrical ratings, narrower operating temperature ranges, or panel-mount-only configurations represent electrical or mechanical incompatibilities and require application-level validation.

Parameter Comparison

Parameter	L77DEH09SOL2 (Amphenol)	09641127230 (HARTING)	09641127235 (HARTING)	09661116503 (HARTING)	09661117503 (HARTING)	09661556513 (HARTING)	2-338313-2 (TE Connectivity)
Connector Type	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets
Number of Positions	9	9	9	9	9	9	9
Shell Size	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Current Rating (Amps)	7.5	7.5	7.5	6.5	6.5	6.5	6
Voltage Rating	300V	100V	100V	Not Specified	Not Specified	Not Specified	Not Specified
Operating Temperature	-55°C ~ 125°C	-20°C ~ 125°C	-20°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 105°C
Shell Material/Finish	Steel, Tin Plated	Steel	Steel, Tin Plated	Steel	Steel	Steel	Steel, Tin Plated
Contact Finish	Gold (8.00µin)	Not Specified	Not Specified	Not Specified	Not Specified	Gold	Gold
Flange Feature	Board Side (4-40)	Housing/Shell (Unthreaded)	Board Side (4-40)	Mating Side, Female Screwlock (4-40)	Mating Side, Female Screwlock (4-40)	Mating Side, Female Screwlock (4-40)	Housing/Shell (M3)
Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Contact Material	Brass	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Electrical Equivalents (300V Rating):

The L77DEH09SOL2 operates at 300V, which exceeds standard low-voltage signaling applications. Among the listed substitutes, none match or exceed this voltage specification as provided in the input data. HARTING parts 09641127230 and 09641127235 are rated only at 100V maximum. TE Connectivity part 2-338313-2 and HARTING industrial screwlock variants do not specify voltage ratings in the provided parameters.

For applications requiring 300V operation, the L77DEH09SOL2 remains the specified choice unless substitute datasheets confirm equivalent or higher voltage ratings not listed in the provided input.

Current Rating Considerations:

HARTING parts 09641127230 and 09641127235 match the 7.5A current rating of the primary component. HARTING screwlock variants (09661116503, 09661117503, 09661556513) and TE Connectivity 2-338313-2 are rated at 6.5A or lower, representing a 13% reduction in current capacity.

Temperature Range Evaluation:

The L77DEH09SOL2 operates across -55°C to 125°C. HARTING standard variants 09641127230 and 09641127235 are limited to -20°C to 125°C, restricting low-temperature operation. HARTING screwlock and TE Connectivity variants extend to -55°C, matching the full temperature range.

Mechanical Interface Compatibility:

Board-side 4-40 flange equivalents exist in HARTING 09641127235 and NorComp 172-E09 series. Housing/shell unthreaded variants (HARTING 09641127230, TE Connectivity 2-338313-2) and mating-side screwlock configurations (HARTING 09661116503, 09661117503, 09661556513) require different mechanical mounting approaches.

Compliance Status:

All substitute parts maintain RoHS3 compliance and MSL rating 1 (Unlimited), consistent with the primary component. All meet UL94 V-0 flammability requirements.

Frequently Asked Questions (FAQ)

Q: Can HARTING part 09641127230 replace L77DEH09SOL2 directly?

A: This part matches connector type, position count, shell size, mounting type, termination method, current rating (7.5A), and flammability rating. However, it is limited to -20°C minimum operating temperature (versus -55°C) and 100V maximum voltage (versus 300V). Substitution is valid only where application temperature and voltage requirements fall within these reduced ranges. The housing/shell (unthreaded) flange differs from the board-side 4-40 mount, requiring mechanical re-engineering of the mounting interface.

Q: What is the key difference between HARTING standard receptacles and the screwlock variants?

A: HARTING 09661116503, 09661117503, and 09661556513 feature mating-side female screwlock (4-40) flanges instead of board-side or housing-shell flanges. This mechanical difference accommodates cable assembly interfaces with screw-locking connectors. The screwlock variants use stamped contacts instead of machined contacts and are rated at 6.5A (13% lower than the primary 7.5A). Operating temperature extends to -55°C, matching the L77DEH09SOL2. Select screwlock variants only where mating connector screwlock interface is required.

Q: Are HARTING 09641127235 and Amphenol L77DEH09SOL2 functionally equivalent?

A: Both parts feature board-side 4-40 flanges, 9 positions, 1 (DE, E) shell size, solder termination, 7.5A current rating, and steel tin-plated shells. Electrical compatibility exists within the 100V and -20°C to 125°C operational envelope of the HARTING part. For applications operating below -20°C or above 100V, or where 300V specification is mandatory, the Amphenol part remains required.

Q: Can TE Connectivity 2-338313-2 replace the Amphenol connector in high-temperature applications?

A: The TE Connectivity part limits maximum operating temperature to 105°C, while the L77DEH09SOL2 extends to 125°C. This 20°C reduction in maximum temperature excludes it from applications requiring the full 125°C specification. The M3 housing/shell flange (metric) differs from the 4-40 board-side mount, requiring mechanical redesign. Current rating is 6A versus 7.5A. This substitute is valid only where application temperature does not exceed 105°C and mechanical mounting can be adapted to M3 housing interface.

Q: How do NorComp 172-E series parts relate to L77DEH09SOL2?

A: NorComp 172-E series (172-E09-213R001, 172-E09-213R021, 172-E09-213R911) are panel-mount through-hole connectors, fundamentally differing from the vertical board-mount L77DEH09SOL2. These parts accommodate different mechanical mounting (panel versus PCB edge). Current rating is limited to 5A (33% reduction). These parts are suitable only for panel-mount applications and do not serve as direct replacements for vertical PCB-mounted configurations.

Q: What is the significance of contact finish differences between parts?

A: The Amphenol L77DEH09SOL2 specifies gold contacts at 8.00µin thickness for enhanced corrosion resistance and signal integrity. HARTING standard variants do not specify contact finish, potentially indicating unplated or different plating. HARTING 09661556513 and TE Connectivity 2-338313-2 feature gold finishes. For signal applications sensitive to oxidation, gold-finished contacts ensure reliable long-term performance. Select parts with specified gold finishes where contact resistance or corrosion environment is a concern.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message