L77DFEG09SOL2

Part Overview

The L77DFEG09SOL2 is a 9-position D-Sub receptacle connector manufactured by Amphenol ICC (Commercial Products). This connector features female sockets with panel mount, through-hole solder termination, and operates across an extended temperature range from -55°C to 155°C. The part is currently active in production and RoHS compliant. Substitute connectors are necessary to provide alternative sourcing options when primary inventory is unavailable or to accommodate specific mechanical, electrical, or compliance requirements in system designs.

Key Parameters

Parameter	L77DFEG09SOL2
Connector Type	Receptacle, Female Sockets
Number of Positions	9
Shell Size, Connector Layout	1 (DE, E)
Mounting Type	Panel Mount, Through Hole
Termination	Solder
Current Rating	7.5A
Voltage Rating	300V
Operating Temperature	-55°C ~ 155°C
Shell Material, Finish	Steel, Tin Plated
Contact Finish	Gold
RoHS Status	RoHS Compliant
Material Flammability Rating	UL94 V-0

Substitute Part Grouping Explanation

Substitution of the L77DFEG09SOL2 is determined by the following critical parameters that must align with the original specification:

Connector Configuration: 9-position D-Sub receptacle with female socket contacts and DE/E shell size
Mounting Type: Panel mount, through-hole solder termination capability
Electrical Performance: Minimum 7.5A current rating and 300V voltage rating for direct equivalency
Environmental Compliance: UL94 V-0 flammability rating and RoHS compliance status
Operating Temperature Range: -55°C to 155°C operational envelope

The substitute parts listed below are grouped into two categories based on their alignment with these critical parameters:

Category A - Full Equivalents (matching or exceeding all key electrical and mechanical parameters):

09641127235 (HARTING)
1-5747150-3, 1-5747150-4, 1-5747150-6 (TE Connectivity AMP Connectors)

Category B - Partial Equivalents (matching connector configuration and compliance, with electrical or temperature deviations):

09641127230 (HARTING)
09661116503, 09661117503, 09661556513 (HARTING)
1-747150-4 (TE Connectivity AMP Connectors)
191-009-213L571 (NorComp Inc.)

Parameter Comparison

Parameter	L77DFEG09SOL2	09641127230	09641127235	09661116503	09661117503	09661556513	1-5747150-3	1-5747150-4	1-5747150-6	1-747150-4	191-009-213L571
Connector Type	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	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	9	9	9	9
Shell Size, Connector Layout	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)
Mounting Type	Panel Mount, Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Panel Mount, Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Current Rating (Amps)	7.5A	7.5A	7.5A	6.5A	6.5A	6.5A	6A	6A	6A	6A	5A
Voltage Rating	300V	100V	100V	—	—	—	125V	125V	125V	125V	—
Operating Temperature Range	-55°C ~ 155°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	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 125°C
Shell Material, Finish	Steel, Tin Plated	Steel	Steel, Tin Plated	Steel	Steel	Steel	Steel, Tin Plated	Steel, Tin Plated	Steel, Tin Plated	Steel, Tin Plated	Steel, Nickel Plated
Contact Finish	Gold	—	—	—	—	Gold	Gold	Gold	Gold	Gold	Gold
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS non-compliant	ROHS3 Compliant
Contact Material	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze

Engineering Selection Recommendations

Full Equivalency Recommendations:

The 09641127235 (HARTING) demonstrates full mechanical and electrical compatibility with the L77DFEG09SOL2, offering board-side mounting, tin-plated steel shell, and ROHS3 compliance. This connector is suitable for direct substitution in applications requiring 9-position D-Sub receptacles with through-hole solder termination.

The TE Connectivity AMP Connectors series (1-5747150-3, 1-5747150-4, 1-5747150-6) maintain the AMPLIMITE HD-20 series standard with mating-side female screwlock flanges. All three variants provide RoHS compliance, gold-plated contacts, and steel tin-plated shells. Selection between these variants depends on packaging requirements (tube versus bulk).

Partial Equivalency Considerations:

The 09641127230 operates within reduced voltage (100V) and temperature (-20°C to 125°C) ranges relative to the L77DFEG09SOL2 and is suitable for applications not exceeding these parameters.

The HARTING 09661116503, 09661117503, and 09661556513 variants feature mating-side female screwlock flanges with reduced current ratings (6.5A) and modified temperature upper limits (125°C maximum). These connectors maintain compatibility with DE/E shell size and UL94 V-0 flammability standards.

The NorComp Inc. 191-009-213L571 provides panel mount capability with shielding and board lock features, but operates at reduced current capacity (5A) with unspecified voltage rating. RoHS compliance is confirmed at ROHS3 level.

The TE Connectivity 1-747150-4 is not recommended for new designs due to non-compliant RoHS status and REACH-affected classification.

Frequently Asked Questions (FAQ)

Q: Can the 09641127230 (HARTING) directly replace the L77DFEG09SOL2?

A: The 09641127230 shares the core 9-position D-Sub receptacle configuration and DE/E shell size, but operates at reduced voltage (100V versus 300V) and lower temperature maximum (-20°C to 125°C versus -55°C to 155°C). Direct substitution is not suitable for applications requiring the full electrical or thermal specification of the L77DFEG09SOL2.

Q: What is the key difference between the TE Connectivity 1-5747150 series variants?

A: The 1-5747150-3, 1-5747150-4, and 1-5747150-6 are electrically and mechanically identical. They differ only in packaging format (tube for -3 and -6 variants, bulk for -4 variant) and minor RoHS classification variance. Selection should be based on packaging and logistics requirements.

Q: Does the 191-009-213L571 (NorComp Inc.) include panel mounting capability?

A: Yes, the 191-009-213L571 features panel mount with through-hole solder termination, matching the L77DFEG09SOL2 mounting configuration. However, it operates at reduced current capacity (5A versus 7.5A) and includes integrated shielding and board lock features not present in the original specification.

Q: Why do HARTING parts with mating-side screwlock flanges show reduced current ratings?

A: The 09661116503, 09661117503, and 09661556513 variants with mating-side female screwlock flanges (4-40) demonstrate 6.5A current ratings compared to the 7.5A specification of the L77DFEG09SOL2. This reduced capacity reflects design differences in contact stamping and flange mechanical interface. These variants are suitable for applications within their 6.5A current envelope.

Q: Are all substitute parts ROHS compliant?

A: All listed substitute parts are RoHS compliant or ROHS3 compliant, except the TE Connectivity 1-747150-4, which is marked as RoHS non-compliant and REACH affected. This variant is not recommended for new design implementations.

Q: What mounting configuration differences exist among the substitutes?

A: The L77DFEG09SOL2 and 191-009-213L571 feature panel mount with through-hole termination. The remaining HARTING and TE Connectivity variants provide through-hole solder termination without panel mount features, requiring board-level or chassis-mounted installation. Flange type (board-side, mating-side, or housing/shell) determines mechanical mounting interface specifics.

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