Equivalent & Substitute Parts for L77DA15SOL2RM8

Part Overview

The L77DA15SOL2RM8 is a 15-position D-Sub receptacle connector manufactured by Amphenol ICC (Commercial Products). This through-hole solder-terminated connector features female sockets with a mating-side female screwlock and board lock functionality. The part is currently in active product status with 929 units in stock.

D-Sub connectors of this configuration are widely used in industrial control systems, test equipment, and legacy computing applications. Substitute parts become necessary when the primary part experiences supply constraints, obsolescence, or when design requirements permit alternative mechanical or electrical configurations within the same connector family.

Key Parameters

Parameter	Value
Connector Type	Receptacle, Female Sockets
Number of Positions	15
Shell Size / Layout	2 (DA, A)
Mounting Type	Through Hole
Termination Method	Solder
Current Rating	7.5A
Voltage Rating	300V
Operating Temperature Range	-55°C to 125°C
Shell Material / Finish	Steel, Tin Plated
Contact Finish	Gold (8.00µin / 0.203µm)
Flange Feature	Mating Side, Female Screwlock (4-40)
RoHS Status	RoHS Compliant
Material Flammability	UL94 V-0

Substitute Part Grouping Explanation

Substitution eligibility for the L77DA15SOL2RM8 is determined by the following critical parameters:

Primary Compatibility Criteria:

Connector type must be receptacle with female sockets
Position count must be 15
Shell size must be 2 (DA, A)
Mounting must be through-hole
Termination must be solder
Material flammability rating must be UL94 V-0

Secondary Compatibility Criteria (Allowable Variations):

Current rating: Substitute parts may have lower current ratings (5A to 7.5A acceptable)
Voltage rating: Substitute parts may have lower or unspecified voltage ratings
Operating temperature: Substitute parts may have narrower temperature ranges (-50°C to 100°C acceptable)
Shell finish: Tin plated or nickel plated acceptable
Contact finish: Gold acceptable (flash or specified thickness)
Flange configuration: Variations in board-side and mating-side mounting features permitted
Mounting configuration: Panel mount with through-hole acceptable as alternative to vertical through-hole

Non-Substitutable Parameters:

Connector style (must remain D-Sub)
Position count (must remain 15)
Shell layout (must remain 2 / DA, A)
Termination method (must remain solder)
Contact type (must remain signal)

The substitute parts listed below meet these criteria with documented variations in current rating, temperature range, shell finish, and mounting configuration.

Parameter Comparison

Parameter	L77DA15SOL2RM8	172-015-212R001	172-015-212R911	172-E15-213R001	172-E15-213R011	172-E15-213R021	172-E15-213R031	172-E15-213R911	2-338314-2	A-DF 15 PP/Z	D15S24A4GV00LF
Manufacturer	Amphenol ICC	NorComp Inc.	NorComp Inc.	NorComp Inc.	NorComp Inc.	NorComp Inc.	NorComp Inc.	NorComp Inc.	TE Connectivity	Assmann WSW	Amphenol ICC (FCI)
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	15	15	15	15	15	15	15	15	15	15	15
Shell Size / Layout	2 (DA, A)	2 (DA, A)	2 (DA, A)	2 (DA, A)	2 (DA, A)	2 (DA, A)	2 (DA, A)	2 (DA, A)	2 (DA, A)	2 (DA, A)	2 (DA, A)
Mounting Type	Through Hole	Panel Mount, Through Hole	Panel Mount, Through Hole	Panel Mount, Through Hole	Panel Mount, Through Hole	Panel Mount, Through Hole	Panel Mount, Through Hole	Panel Mount, Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Current Rating (Amps)	7.5A	5A	5A	5A	5A	5A	5A	5A	6A	3A	5A per Contact
Voltage Rating	300V	—	—	—	—	—	—	—	—	250V	300V
Operating Temperature	-55°C to 125°C	-50°C to 100°C	-50°C to 100°C	-50°C to 100°C	-50°C to 100°C	-50°C to 100°C	-50°C to 100°C	-50°C to 100°C	-55°C to 105°C	-20°C to 105°C	-55°C to 125°C
Shell Material / Finish	Steel, Tin Plated	Steel, Tin Plated	Steel, Tin Plated	Steel, Nickel Plated	Steel, Nickel Plated	Steel, Nickel Plated	Steel, Nickel Plated	Steel, Nickel Plated	Steel, Tin Plated	Steel, Tin Plated	Steel, Tin-Nickel Plated
Contact Finish	Gold (8.00µin)	Gold (Flash)	Gold (Flash)	Gold (Flash)	Gold (Flash)	Gold (Flash)	Gold (Flash)	Gold (Flash)	Gold	Gold (Flash)	Gold (Flash)
Flange Feature	Mating Side, Female Screwlock (4-40)	Housing/Shell (Unthreaded)	Board Side (4-40); Mating Side, Female Screwlock (4-40)	Housing/Shell (Unthreaded)	Board Side (4-40)	Board Side (4-40)	Mating Side (4-40)	Board Side (4-40); Mating Side, Female Screwlock (4-40)	Housing/Shell (M3)	Housing/Shell (Unthreaded)	Mating Side, Female Screwlock (4-40)
Material Flammability	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	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	RoHS Compliant
Product Status	Active	Obsolete	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active
Inventory (Pcs)	929	3730	3586	1705	1509	1223	1211	6223	1760	1709	35497

Engineering Selection Recommendations

Primary Substitute (Highest Compatibility):

The D15S24A4GV00LF (Amphenol ICC, FCI) is the optimal substitute for the L77DA15SOL2RM8. Both parts share identical connector type, position count, shell size, mounting method, and termination. The D15S24A4GV00LF maintains the same operating temperature range (-55°C to 125°C), voltage rating (300V), and flange configuration (mating-side female screwlock with board lock). The only variation is contact material (phosphor bronze versus brass) and shell finish (tin-nickel plated versus tin plated). This part is in active status with the highest inventory availability (35,497 units).

Secondary Substitutes (Acceptable with Design Review):

The 172-E15-213R031 and 172-E15-213R911 (NorComp Inc., 172-E series) are acceptable substitutes for applications where current rating can be reduced from 7.5A to 5A. Both parts maintain the 15-position configuration, through-hole solder termination, and UL94 V-0 flammability rating. The 172-E15-213R031 provides mating-side mounting (4-40), while 172-E15-213R911 includes both board-side and mating-side mounting with board lock. Operating temperature is reduced to -50°C to 100°C. These parts are in active status with good inventory levels (1,211 and 6,223 units respectively).

Conditional Substitutes (Application-Dependent):

The 2-338314-2 (TE Connectivity AMPLIMITE HDP-20) is suitable for applications where current rating of 6A is acceptable and operating temperature range of -55°C to 105°C meets requirements. This part maintains through-hole mounting and solder termination with board lock functionality. Inventory is adequate at 1,760 units.

The A-DF 15 PP/Z (Assmann WSW Components) is suitable only for low-current applications (3A maximum) and narrower temperature range (-20°C to 105°C). Voltage rating is 250V. This part should be selected only when current and temperature requirements are confirmed compatible.

Obsolete Parts (Not Recommended):

The 172-015-212R001 and 172-015-212R911 (NorComp Inc., 172 series) are marked as obsolete and should not be selected for new designs despite adequate inventory levels. These parts may be considered only for legacy system maintenance where original part specifications are mandatory.

Frequently Asked Questions (FAQ)

Q: Can the L77DA15SOL2RM8 be directly replaced with the D15S24A4GV00LF?

A: Yes. Both connectors are 15-position D-Sub receptacles with identical shell size (2/DA,A), through-hole solder termination, mating-side female screwlock, and board lock features. Operating temperature ranges and voltage ratings are identical. The primary difference is contact material composition (phosphor bronze versus brass) and shell finish (tin-nickel versus tin plated), which do not affect electrical or mechanical compatibility in standard applications.

Q: What is the current rating limitation when substituting with NorComp 172-E series parts?

A: NorComp 172-E series parts (172-E15-213R001, 172-E15-213R011, 172-E15-213R021, 172-E15-213R031, 172-E15-213R911) are rated for 5A maximum current, compared to the L77DA15SOL2RM8 rating of 7.5A. Applications requiring current levels between 5A and 7.5A cannot use these substitutes. Verify actual circuit current requirements before selection.

Q: Are panel-mount variants compatible with vertical through-hole designs?

A: Panel-mount through-hole variants (NorComp 172-015 and 172-E series) have different mechanical mounting configurations than vertical through-hole designs. While the connector interface remains compatible, the physical mounting footprint and board layout requirements differ. PCB design review is required before substituting panel-mount variants for vertical through-hole configurations.

Q: What is the temperature range limitation for substitute parts?

A: The L77DA15SOL2RM8 operates from -55°C to 125°C. Most NorComp substitutes operate from -50°C to 100°C, reducing both low-temperature and high-temperature capability. The TE Connectivity 2-338314-2 operates to -55°C to 105°C. The Assmann A-DF 15 PP/Z operates from -20°C to 105°C. Verify application temperature requirements before selection.

Q: Why do some substitute parts have unspecified voltage ratings?

A: NorComp 172-E and 172-015 series parts do not specify voltage ratings in their technical documentation. The L77DA15SOL2RM8 is rated for 300V. When voltage rating is unspecified, contact the manufacturer for confirmation before use in high-voltage applications.

Q: Is the Assmann A-DF 15 PP/Z suitable as a general substitute?

A: The A-DF 15 PP/Z is suitable only for low-current applications (3A maximum) with operating temperatures between -20°C and 105°C. The 7.5A current rating of the L77DA15SOL2RM8 cannot be achieved with this part. Selection should be limited to applications with confirmed current requirements below 3A.

Q: What is the difference between RoHS Compliant and ROHS3 Compliant status?

A: RoHS Compliant indicates compliance with the original Restriction of Hazardous Substances Directive. ROHS3 Compliant indicates compliance with the updated RoHS 3 Directive (2011/65/EU as amended). Both statuses are acceptable for most applications. Verify specific regulatory requirements for your application region.

Q: Can obsolete parts (172-015 series) be used in new designs?

A: Obsolete parts should not be selected for new designs. The 172-015-212R001 and 172-015-212R911 are marked as obsolete, indicating discontinued manufacturing and potential future supply unavailability. These parts may be considered only for maintenance or repair of existing legacy systems where original specifications are mandatory.

Q: What inventory considerations should guide part selection?

A: The D15S24A4GV00LF has the highest inventory availability (35,497 units), providing the best supply security. The 172-E15-213R911 has good availability (6,223 units). NorComp 172-015 series parts have higher inventory (3,730 and 3,586 units) but are obsolete. For new designs, prioritize active-status parts with adequate inventory levels to ensure long-term supply continuity.

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