L77DFA15SOL2 D-Sub 15 Position Receptacle Connector – Equivalent & Substitute Parts

Part Overview

The L77DFA15SOL2 is a 15 Position D-Sub Receptacle connector manufactured by Amphenol ICC (Commercial Products). This panel mount, solder-terminated connector features female sockets in a 2-row configuration (Shell Size 2, DA/A layout) with steel tin-plated housing and gold-plated contacts. The connector is rated for 7.5A at 300V and operates across the temperature range of -55°C to 125°C.

This connector is classified as Active product status with full RoHS compliance and unlimited moisture sensitivity rating (MSL 1). The L77DFA15SOL2 is suitable for applications requiring reliable signal transmission in industrial and commercial environments.

Equivalent and substitute parts are necessary when original inventory is unavailable, when alternative sourcing reduces lead times, or when design flexibility permits selection from multiple qualified manufacturers while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	L77DFA15SOL2 Specification
Connector Type	Receptacle, Female Sockets
Number of Positions	15
Number of Rows	2
Shell Size, Connector Layout	2 (DA, A)
Mounting Type	Panel Mount, Through Hole
Termination	Solder
Shell Material, Finish	Steel, Tin Plated
Contact Finish	Gold
Contact Finish Thickness	20.0µin (0.51µm)
Current Rating	7.5A
Voltage Rating	300V
Operating Temperature	-55°C to 125°C
Contact Material	Copper Alloy
Dielectric Material	Thermoplastic, Glass Filled
Flange Feature	Housing/Shell (Unthreaded)
RoHS Status	RoHS Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of D-Sub 15 Position Receptacle connectors is determined by strict equivalence in the following critical parameters:

Mandatory Matching Parameters:

Connector Type: Receptacle, Female Sockets
Number of Positions: 15
Number of Rows: 2
Shell Size, Connector Layout: 2 (DA, A)
Termination: Solder
Contact Type: Signal
Flange Feature: Housing/Shell (Unthreaded) or equivalent mechanical interface
Material Flammability Rating: UL94 V-0

Electrical Compatibility Parameters:

Current Rating: Equal to or greater than 7.5A
Voltage Rating: Equal to or greater than 300V
Operating Temperature Range: Must encompass -55°C to 125°C or be suitable for the application's actual operating conditions

Material & Finish Parameters:

Shell Material: Steel (with various plating options: Tin, Tin-Nickel)
Contact Finish: Gold (required for signal integrity)
Contact Material: Copper Alloy or Phosphor Bronze

Compliance Parameters:

RoHS Status: RoHS Compliant or ROHS3 Compliant
MSL Rating: 1 (Unlimited)
ECCN: EAR99

Substitute parts listed below meet these mandatory criteria. Variations in contact finish thickness (Flash vs. 20.0µin), dielectric material composition (PBT vs. Thermoplastic), and specific flange configurations (M3 threaded vs. unthreaded) represent acceptable engineering alternatives within the D-Sub 15 Position Receptacle category.

Parameter Comparison

Part Number	Manufacturer	Connector Type	Positions	Rows	Shell Size	Mounting	Termination	Shell Material, Finish	Contact Finish	Current Rating (A)	Voltage Rating (V)	Operating Temp (°C)	RoHS Status
L77DFA15SOL2	Amphenol ICC (Commercial Products)	Receptacle, Female Sockets	15	2	2 (DA, A)	Panel Mount, Through Hole	Solder	Steel, Tin Plated	Gold	7.5	300	-55 to 125	RoHS Compliant
09642127210	HARTING	Receptacle, Female Sockets	15	2	2 (DA, A)	Through Hole	Solder	Steel	Not Specified	7.5	100	-20 to 125	ROHS3 Compliant
09642127230	HARTING	Receptacle, Female Sockets	15	2	2 (DA, A)	Through Hole	Solder	Steel	Not Specified	7.5	100	-20 to 125	ROHS3 Compliant
2-338314-2	TE Connectivity AMP Connectors	Receptacle, Female Sockets	15	2	2 (DA, A)	Through Hole	Solder	Steel, Tin Plated	Gold	6	Not Specified	-55 to 105	RoHS Compliant
A-DF 15 PP/Z	Assmann WSW Components	Receptacle, Female Sockets	15	2	2 (DA, A)	Through Hole	Solder	Steel, Tin Plated	Gold	3	250	-20 to 105	ROHS3 Compliant
D15S24A4GL00LF	Amphenol ICC (FCI)	Receptacle, Female Sockets	15	2	2 (DA, A)	Through Hole	Solder	Steel, Tin-Nickel Plated	Gold	5	300	-55 to 125	RoHS Compliant
D15S24A4GV00LF	Amphenol ICC (FCI)	Receptacle, Female Sockets	15	2	2 (DA, A)	Through Hole	Solder	Steel, Tin-Nickel Plated	Gold	5	300	-55 to 125	RoHS Compliant
D15S24A4GX00LF	Amphenol ICC (FCI)	Receptacle, Female Sockets	15	2	2 (DA, A)	Through Hole	Solder	Steel, Tin-Nickel Plated	Gold	5	300	-55 to 125	ROHS3 Compliant
D15S24A4PA00LF	Amphenol ICC (FCI)	Receptacle, Female Sockets	15	2	2 (DA, A)	Through Hole	Solder	Steel, Tin-Nickel Plated	Gold	5	300	-55 to 125	RoHS Compliant
D15S24A4PL00LF	Amphenol ICC (FCI)	Receptacle, Female Sockets	15	2	2 (DA, A)	Through Hole	Solder	Steel, Tin-Nickel Plated	Gold	5	300	-55 to 125	RoHS Compliant
D15S24A6GX00LF	Amphenol ICC (FCI)	Receptacle, Female Sockets	15	2	2 (DA, A)	Through Hole	Solder	Steel, Tin-Nickel Plated	Gold	5	300	-55 to 125	RoHS Compliant

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

The D15S24 series from Amphenol ICC (FCI) – specifically D15S24A4GV00LF, D15S24A4GL00LF, D15S24A4GX00LF, D15S24A4PA00LF, D15S24A4PL00LF, and D15S24A6GX00LF – represent the closest functional equivalents to the L77DFA15SOL2. These parts share identical connector geometry (15 positions, 2 rows, Shell Size 2 DA/A), solder termination, gold contact finish, 300V voltage rating, and full operating temperature range (-55°C to 125°C). All D15S24 variants maintain RoHS compliance and MSL 1 rating. The primary difference is contact current rating (5A per contact vs. 7.5A), which is acceptable for applications not requiring the full 7.5A specification. Variations in flange configuration (M3 threaded, 4-40 threaded, or unthreaded) and shell plating (Tin-Nickel vs. Tin) do not affect electrical substitutability.

Secondary Substitutes (Conditional Compatibility):

The HARTING 09642127210 and 09642127230 connectors provide mechanical and positional equivalence but operate at reduced voltage (100V vs. 300V) and narrower temperature range (-20°C to 125°C vs. -55°C to 125°C). These are suitable only for applications with lower voltage and temperature requirements. Contact finish specifications are not provided for these parts.

The Assmann WSW Components A-DF 15 PP/Z offers panel mount compatibility and gold-plated contacts but is limited to 3A current rating and 250V voltage, making it unsuitable for applications requiring the full 7.5A/300V specification of the L77DFA15SOL2.

The TE Connectivity 2-338314-2 (AMPLIMITE HDP-20 series) maintains the full temperature range and gold contact finish but is rated for only 6A and lacks a specified voltage rating. This part includes Board Lock features not present in the L77DFA15SOL2.

Compliance Considerations:

All listed substitutes maintain UL94 V-0 flammability rating and MSL 1 moisture sensitivity. RoHS compliance is confirmed for all parts. REACH status varies: most parts are REACH Unaffected or Vendor Undefined, with D15S24A4GX00LF and D15S24A4PA00LF marked as REACH Affected. Selection should account for end-use regulatory requirements.

Inventory Availability:

D15S24A4GV00LF maintains the highest inventory (35,497 pcs), providing supply security for high-volume applications. Alternative D15S24 variants range from 1,110 to 1,760 pcs. HARTING and Assmann parts offer 711–1,709 pcs availability.

Frequently Asked Questions (FAQ)

Q1: Can I substitute the L77DFA15SOL2 with a D15S24A4GV00LF?

A: Yes. Both connectors are 15-position D-Sub receptacles with identical shell size (2 DA/A), 2-row configuration, solder termination, and gold-plated contacts. Both operate at -55°C to 125°C and 300V. The D15S24A4GV00LF is rated for 5A per contact versus 7.5A for the L77DFA15SOL2. This substitution is valid for applications where the 5A rating is sufficient. The D15S24A4GV00LF includes female screwlock mating-side features, which do not affect receptacle compatibility.

Q2: What is the difference between the various D15S24 part numbers?

A: The D15S24 series variants differ in flange configuration and shell plating:

GL00LF: M3 threaded flange, Tin-Nickel plated shell
GV00LF: Female Screwlock (4-40) mating side, Tin-Nickel plated shell
GX00LF: 4-40 threaded housing flange, Tin-Nickel plated shell
PA00LF: Unthreaded housing/shell, Tin-Nickel plated shell
PL00LF: M3 threaded flange, Tin-Nickel plated shell
A6GX00LF: 4-40 threaded housing flange, Tin-Nickel plated shell, 30.0µin gold finish

All share identical electrical specifications (5A, 300V, -55°C to 125°C) and are mechanically interchangeable in panel mount applications. Selection depends on specific mounting hole configuration and flange requirements.

Q3: Why do HARTING 09642127210 and 09642127230 have lower voltage ratings?

A: The HARTING connectors are specified for 100V operation, which reflects their design for lower-voltage signal applications. These parts are not suitable for 300V applications. Use these substitutes only when application voltage requirements are 100V or lower.

Q4: Is the Assmann A-DF 15 PP/Z a suitable substitute?

A: The A-DF 15 PP/Z is mechanically compatible (15 positions, 2 rows, Shell Size 2 DA/A, solder termination) but is limited to 3A current rating and 250V voltage. This part is suitable only for low-current signal applications. It is not recommended for applications requiring the full 7.5A specification of the L77DFA15SOL2.

Q5: What does "Panel Mount" versus "Through Hole" mean for mounting compatibility?

A: The L77DFA15SOL2 is specified as "Panel Mount, Through Hole," indicating it mounts through a panel with solder connections. Most substitute parts are listed as "Through Hole" only, which is compatible with the same mounting method. The distinction reflects how the connector is marketed; both configurations use solder termination and panel-mounted installation.

Q6: Does contact finish thickness affect substitutability?

A: Contact finish thickness (20.0µin vs. Flash vs. 30.0µin) does not affect electrical substitutability. These variations represent different manufacturing specifications for gold plating. Flash plating (minimal thickness) and standard plating (20–30µin) both provide adequate contact resistance and signal integrity for D-Sub applications. Selection based on finish thickness is not necessary for functional equivalence.

Q7: What is the significance of "Board Lock" features in some substitute parts?

A: Board Lock is a mechanical feature that secures the connector to the PCB during assembly. The L77DFA15SOL2 does not include this feature. Substitute parts with Board Lock (such as D15S24A4GL00LF, D15S24A4GV00LF, D15S24A6GX00LF) provide additional mechanical retention but remain electrically and mechanically compatible. The presence or absence of Board Lock does not prevent substitution.

Q8: Are there any temperature range limitations I should consider?

A: The L77DFA15SOL2 operates from -55°C to 125°C. Most D15S24 substitutes maintain this full range. HARTING and Assmann parts are limited to -20°C to 125°C. If your application requires operation below -20°C, use only the L77DFA15SOL2 or D15S24 series parts. For applications with narrower temperature requirements, HARTING and Assmann parts are acceptable.

Q9: What does RoHS Compliant versus ROHS3 Compliant mean?

A: Both designations indicate compliance with Restriction of Hazardous Substances regulations. RoHS Compliant refers to the original RoHS Directive (2002/95/EC), while ROHS3 Compliant refers to the recast directive (2011/65/EU). Both are acceptable for most applications. ROHS3 represents the current regulatory standard. This difference does not affect electrical or mechanical compatibility.

Q10: Should I be concerned about REACH status differences?

A: REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) compliance varies among substitutes. Most parts are REACH Unaffected or Vendor Undefined. D15S24A4GX00LF and D15S24A4PA00LF are marked as REACH Affected. If your application or end market requires specific REACH compliance documentation, verify the regulatory status with the supplier. This does not affect technical substitutability but may affect procurement and documentation requirements.

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