L77DAH15SV D-Sub Receptacle Equivalent & Substitute Parts

Part Overview

The L77DAH15SV is a 15-position D-Sub receptacle connector manufactured by Amphenol ICC (Commercial Products). This through-hole mounted, female socket connector features a 2-row configuration with shell size 2 (DA, A) layout and solder termination. The connector is designed for signal applications with a current rating of 7.5A and operates across a temperature range of -55°C to 125°C. The part is currently active in production status with 771 pieces in stock inventory.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative mounting configurations are required, or when design specifications allow for compatible alternatives from different manufacturers. Substitute parts must maintain electrical and mechanical compatibility while meeting the same functional requirements.

Key Parameters

Parameter	L77DAH15SV Value
Connector Type	Receptacle, Female Sockets
Number of Positions	15
Number of Rows	2
Shell Size, Connector Layout	2 (DA, A)
Mounting Type	Through Hole
Termination	Solder
Current Rating (Amps)	7.5A
Voltage Rating	300V
Operating Temperature Range	-55°C ~ 125°C
Shell Material, Finish	Steel, Tin Plated
Contact Finish	Gold
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution logic for the L77DAH15SV is based on the following critical parameters that must remain constant across all equivalent parts:

Mandatory Matching Parameters:

Connector type: Receptacle, Female Sockets
Number of positions: 15
Number of rows: 2
Shell size and layout: 2 (DA, A)
Termination method: Solder
Contact type: Signal
Material flammability rating: UL94 V-0

Allowable Variation Parameters:

Mounting type: Through hole configurations with different flange features (board side, mating side, housing/shell)
Current rating: Substitute parts may have lower current ratings (5A, 6A) than the primary part (7.5A)
Operating temperature range: Substitute parts may have narrower temperature ranges (-50°C ~ 100°C, -55°C ~ 105°C)
Shell material finish: Tin plated, nickel plated, or tin-nickel plated finishes are acceptable
Contact finish thickness: Flash or specified thickness (8.00µin) are acceptable
Dielectric material: Different thermoplastic compositions (PBT, PA6T, polyester) are acceptable
Contact material: Brass or phosphor bronze are acceptable
Color: Variations in housing color do not affect electrical function
Manufacturer: Alternative manufacturers with equivalent specifications are acceptable

Substitute parts are grouped by their compatibility with the L77DAH15SV based on these parameters. Parts that maintain the core electrical and mechanical specifications are considered direct substitutes.

Parameter Comparison

Parameter	L77DAH15SV	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
Number of Rows	2	2	2	2	2	2	2	2	2	2	2
Shell Size, Connector 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)
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
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
Current Rating (Amps)	7.5A	5A	5A	5A	5A	5A	5A	5A	6A	3A	5A per Contact
Voltage Rating	300V	-	-	-	-	-	-	-	-	250V	300V
Operating Temperature Range	-55°C ~ 125°C	-50°C ~ 100°C	-50°C ~ 100°C	-50°C ~ 100°C	-50°C ~ 100°C	-50°C ~ 100°C	-50°C ~ 100°C	-50°C ~ 100°C	-55°C ~ 105°C	-20°C ~ 105°C	-55°C ~ 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	Gold	Gold	Gold	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	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	RoHS Compliant
Product Status	Active	Obsolete	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Equivalent (Highest Compatibility):

The D15S24A4GV00LF (Amphenol ICC, FCI) is the closest electrical and mechanical equivalent to the L77DAH15SV. Both parts share identical connector type, position count, row configuration, shell size, termination method, and operating temperature range (-55°C ~ 125°C). Both maintain 300V voltage rating and UL94 V-0 flammability compliance. The D15S24A4GV00LF is currently active in production with 35,497 pieces in stock. The primary difference is the flange feature configuration (mating side female screwlock versus board side) and contact material (phosphor bronze versus brass). This part is suitable for direct substitution in applications where the mating side screwlock feature is acceptable.

Secondary Equivalents (Acceptable Substitutes):

The 172-E15-213R031, 172-E15-213R021, 172-E15-213R011, and 172-E15-213R001 (NorComp Inc., 172-E series) are active production parts with RoHS3 compliance. These parts maintain the 15-position, 2-row, shell size 2 configuration with solder termination and UL94 V-0 rating. The primary limitations are reduced current rating (5A versus 7.5A) and narrower operating temperature range (-50°C ~ 100°C versus -55°C ~ 125°C). These parts are suitable for substitution in applications where the reduced current and temperature specifications are acceptable. The 172-E15-213R911 variant includes board lock features and is available with 6,223 pieces in stock.

Alternative Substitutes (Limited Compatibility):

The 2-338314-2 (TE Connectivity AMPLIMITE HDP-20 series) is an active production part with through-hole mounting and board lock features. Current rating is 6A, which is lower than the primary part. Operating temperature range extends to -55°C ~ 105°C, providing adequate coverage for most applications. This part is suitable for substitution where the 6A current rating meets application requirements.

The A-DF 15 PP/Z (Assmann WSW Components) is an active production part with through-hole mounting. This part has significant limitations: current rating of only 3A and operating temperature range of -20°C ~ 105°C. This part is suitable only for low-current applications and is not recommended for applications requiring the full 7.5A current capacity or extended low-temperature operation below -20°C.

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. While these parts share the same core specifications, their obsolete status indicates discontinued production and potential supply chain limitations.

Frequently Asked Questions (FAQ)

Q: Can the D15S24A4GV00LF directly replace the L77DAH15SV in all applications?

A: The D15S24A4GV00LF is electrically and mechanically compatible with the L77DAH15SV for applications requiring 15-position D-Sub receptacle connectors with solder termination. Both parts operate across -55°C to 125°C and maintain 300V voltage rating. The primary difference is the flange feature configuration. The D15S24A4GV00LF features a mating side female screwlock (4-40), while the L77DAH15SV features a board side flange. Verify that the mating side screwlock configuration is compatible with your application's mechanical requirements before substitution.

Q: Why do the NorComp 172-E series parts have a lower current rating (5A) than the L77DAH15SV (7.5A)?

A: Current rating is determined by contact design, material composition, and thermal characteristics. The NorComp 172-E series parts are rated for 5A per contact, which reflects their specific contact geometry and material properties. These parts are suitable for applications requiring 5A or less per contact. Applications requiring the full 7.5A capacity of the L77DAH15SV must use parts with equivalent or higher current ratings, such as the D15S24A4GV00LF (5A per contact) or the 2-338314-2 (6A).

Q: Are the NorComp 172-E series parts suitable for applications requiring the full -55°C to 125°C temperature range?

A: The NorComp 172-E series parts (172-E15-213R001, 172-E15-213R011, 172-E15-213R021, 172-E15-213R031, 172-E15-213R911) are rated for -50°C to 100°C operation. These parts do not meet the full temperature specification of the L77DAH15SV (-55°C to 125°C). They are suitable for applications operating within the -50°C to 100°C range. Applications requiring operation at -55°C or below, or at 100°C and above, must use parts with extended temperature ratings, such as the D15S24A4GV00LF or 2-338314-2.

Q: What is the difference between board side and mating side flange features?

A: Flange features determine the mounting orientation and mechanical interface of the connector. Board side flanges (4-40) mount on the circuit board surface with fastening holes on the connector body. Mating side flanges (4-40) mount on the mating connector side with fastening holes oriented toward the mating interface. Housing/shell (unthreaded) flanges provide mounting without threaded fastening. The choice of flange feature depends on the mechanical design of your application. Verify that the substitute part's flange feature is compatible with your mounting structure before substitution.

Q: Can I use the A-DF 15 PP/Z as a substitute for the L77DAH15SV?

A: The A-DF 15 PP/Z is not recommended as a substitute for the L77DAH15SV in most applications. While both are 15-position D-Sub receptacle connectors with solder termination, the A-DF 15 PP/Z has significant limitations: current rating of only 3A (versus 7.5A) and operating temperature range of -20°C to 105°C (versus -55°C to 125°C). This part is suitable only for low-current applications operating above -20°C. Applications requiring higher current capacity or extended low-temperature operation must use alternative substitutes.

Q: What is the significance of RoHS compliance status differences between parts?

A: RoHS Compliant and ROHS3 Compliant both indicate compliance with Restriction of Hazardous Substances regulations. RoHS Compliant indicates compliance with the original RoHS Directive (2002/95/EC). ROHS3 Compliant indicates compliance with the recast RoHS Directive (2011/65/EU). Both compliance statuses are acceptable for applications subject to RoHS requirements. The L77DAH15SV is RoHS Compliant, while most NorComp substitute parts are ROHS3 Compliant. Both statuses meet current regulatory requirements.

Q: Are there any differences in contact material between the L77DAH15SV and substitute parts?

A: The L77DAH15SV uses brass contacts, while some substitute parts use phosphor bronze (D15S24A4GV00LF, 2-338314-2) or copper alloy (A-DF 15 PP/Z). Both brass and phosphor bronze are acceptable contact materials for D-Sub connectors and provide equivalent electrical performance. Contact material selection affects mechanical properties such as spring force and wear resistance. For applications with high mating cycle requirements, phosphor bronze contacts may provide superior durability. For standard applications, both materials are functionally equivalent.

Q: What packaging formats are available for substitute parts?

A: The L77DAH15SV is supplied in bag packaging. Substitute parts are available in various packaging formats: tray (NorComp 172-E series, Assmann A-DF 15 PP/Z), bulk (TE Connectivity 2-338314-2), or bag (Amphenol D15S24A4GV00LF). Packaging format does not affect electrical or mechanical function. Select packaging based on your procurement and inventory management requirements.

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