L77DA15STR063 D-Sub Connector: Equivalent & Substitute Parts

Part Overview

The L77DA15STR063 is a 15-position D-Sub receptacle connector manufactured by Amphenol ICC (Commercial Products), featuring female socket termination in a vertical through-hole configuration. This connector utilizes tin-plated steel shell with gold-plated brass contacts, supporting 7.5A current rating and 300V voltage rating across an operating temperature range of -55°C to 125°C.

The product is classified as Active status with full RoHS compliance and unlimited moisture sensitivity rating. Equivalent and substitute parts are identified where they maintain functional compatibility across the critical electrical and mechanical parameters that govern D-Sub connector substitution: 15-position configuration, 2-row layout, shell size 2 (DA, A), female socket type, solder termination, and UL94 V-0 flammability compliance.

Key Parameters

Parameter	L77DA15STR063
Connector Type	D-Sub Receptacle, Female Sockets
Number of Positions	15
Number of Rows	2
Shell Size, Connector Layout	2 (DA, A)
Mounting Type	Through Hole
Termination	Solder
Shell Material, Finish	Steel, Tin Plated
Contact Material	Brass
Contact Finish	Gold (8.00µin / 0.203µm)
Current Rating	7.5A
Voltage Rating	300V
Operating Temperature	-55°C to 125°C
Material Flammability Rating	UL94 V-0
Contact Form	Machined
Dielectric Material	Thermoplastic, Glass Filled
Color	Black
RoHS Status	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the L77DA15STR063 are classified into three functional groups based on mounting configuration and locking features, while maintaining the core substitution criteria:

Core Substitution Criteria (Non-Negotiable):

15-position, 2-row D-Sub receptacle configuration
Female socket connector type
Shell size 2 (DA, A)
Solder termination
UL94 V-0 flammability rating
Through-hole or panel-mount capability

Group 1: Through-Hole Vertical Mount (Direct Functional Equivalent) Parts maintaining identical through-hole vertical mounting without flange locks: 2-338314-2, A-DF 15 PP/Z, D15S24A4GV00LF. These provide direct substitution for PCB-mounted applications without mechanical locking requirements.

Group 2: Panel-Mount, Unthreaded Shell (NorComp 172 Series) Parts 172-015-212R001, 172-E15-213R001, 172-E15-213R011, 172-E15-213R021, 172-E15-213R031, 172-E15-213R911 support panel-mount through-hole configuration with optional board-side or mating-side locking mechanisms. These accommodate applications requiring panel-level mechanical registration while maintaining solder termination.

Group 3: Locking Features (Board Lock Configuration) Parts 172-015-212R911 and 172-E15-213R911 include dual-side 4-40 locking holes (board side and mating side female screwlock), providing enhanced mechanical stability in vibration-prone environments.

Substitution compatibility depends on matching the mounting configuration (vertical through-hole or panel-mount) and verifying that the locking feature requirements align with the application. Current rating differences (3A to 7.5A) and operating temperature ranges (-20°C to 125°C) must be validated against circuit requirements.

Parameter Comparison

Part Number	Manufacturer	Product Status	Mounting Type	Current Rating (A)	Operating Temp (°C)	Shell Finish	Contact Material	RoHS Status	Locking Feature
L77DA15STR063	Amphenol ICC	Active	Through Hole	7.5	-55 to 125	Steel, Tin	Brass	RoHS Compliant	None
172-015-212R001	NorComp Inc.	Obsolete	Panel Mount, Through Hole	5	-50 to 100	Steel, Tin	Brass	ROHS3 Compliant	None
172-015-212R911	NorComp Inc.	Obsolete	Panel Mount, Through Hole	5	-50 to 100	Steel, Tin	Brass	ROHS3 Compliant	Board Lock (4-40)
172-E15-213R001	NorComp Inc.	Active	Panel Mount, Through Hole	5	-50 to 100	Steel, Nickel	Brass	ROHS3 Compliant	None
172-E15-213R011	NorComp Inc.	Active	Panel Mount, Through Hole	5	-50 to 100	Steel, Nickel	Brass	ROHS3 Compliant	Board Side (4-40)
172-E15-213R021	NorComp Inc.	Active	Panel Mount, Through Hole	5	-50 to 100	Steel, Nickel	Brass	ROHS3 Compliant	Board Side (4-40)
172-E15-213R031	NorComp Inc.	Active	Panel Mount, Through Hole	5	-50 to 100	Steel, Nickel	Brass	ROHS3 Compliant	Mating Side (4-40)
172-E15-213R911	NorComp Inc.	Active	Panel Mount, Through Hole	5	-50 to 100	Steel, Nickel	Brass	ROHS3 Compliant	Board Lock (4-40)
2-338314-2	TE Connectivity	Active	Through Hole	6	-55 to 105	Steel, Tin	Phosphor Bronze	RoHS Compliant	Board Lock (M3)
A-DF 15 PP/Z	Assmann WSW	Active	Through Hole	3	-20 to 105	Steel, Tin	Copper Alloy	ROHS3 Compliant	None
D15S24A4GV00LF	Amphenol ICC (FCI)	Active	Through Hole	5	-55 to 125	Steel, Tin-Nickel	Phosphor Bronze	RoHS Compliant	Mating Side (4-40)

Engineering Selection Recommendations

Direct Substitution (Same Mounting Architecture): For applications requiring through-hole vertical mounting identical to the L77DA15STR063, D15S24A4GV00LF from Amphenol ICC (FCI) series is the recommended equivalent. Both connectors maintain Active product status, RoHS compliance, and comparable current/voltage ratings. The D15S24A4GV00LF provides mating-side 4-40 locking, extending mechanical stability without compromising PCB integration.

Alternative with Extended Availability (Lower Current Rating): 2-338314-2 (TE Connectivity AMPLIMITE HDP-20) supports through-hole mounting with board lock (M3) and Active status, suitable for applications where 6A current rating satisfies circuit requirements. Operating temperature spans -55°C to 105°C, compatible with the L77DA15STR063 thermal envelope with 20°C reduction at the upper limit.

Obsolete Product Replacement (Panel-Mount Architecture): NorComp 172 series (172-015-212R001, 172-E15-213R001, 172-E15-213R011, 172-E15-213R021, 172-E15-213R031, 172-E15-213R911) connectors accommodate panel-mount applications with ROHS3 compliance. The 172-E15 variants (Active status) are preferred over 172-015 variants (Obsolete status). These substitutes exhibit 5A current rating and -50°C to 100°C operating range; selection must confirm that reduced current capacity and thermal range align with application parameters.

Reduced-Current Applications: A-DF 15 PP/Z (Assmann WSW) through-hole connector is restricted to 3A maximum current and operates only from -20°C to 105°C. This part functions as a secondary alternative where current requirements do not exceed 3A and minimum operating temperature is above -20°C.

Frequently Asked Questions (FAQ)

Q: Can I use D15S24A4GV00LF as a direct replacement for L77DA15STR063? A: D15S24A4GV00LF is a functional equivalent for through-hole applications. Both are 15-position D-Sub female receptacles with solder termination and -55°C to 125°C operating range. The D15S24A4GV00LF includes mating-side 4-40 locking absent in the L77DA15STR063, providing additional mechanical registration. Current rating is 5A per contact versus 7.5A; this must be verified against circuit load requirements. Both are RoHS Compliant with Active product status.

Q: Why do NorComp parts show Obsolete status, and can I use them? A: 172-015-212R001 and 172-015-212R911 are marked Obsolete, indicating they are no longer manufactured. The newer NorComp 172-E15 series (172-E15-213R001, 172-E15-213R011, 172-E15-213R021, 172-E15-213R031, 172-E15-213R911) replaces these with identical connector functionality, Active product status, and enhanced ROHS3 compliance. Obsolete parts may be substituted only if remaining inventory meets project schedule and quantity requirements, with preference given to Active parts for new designs.

Q: What is the difference between through-hole vertical and panel-mount configurations? A: Through-hole vertical mounting positions the connector perpendicular to the PCB for direct socket insertion. Panel-mount configuration permits the connector body to reside on the PCB surface while the mating interface extends through or flush to an external enclosure panel. The L77DA15STR063 uses vertical through-hole; substitution to panel-mount types (NorComp 172 series) requires enclosure redesign and mechanical re-registration, making these suitable only for panel-level integration applications.

Q: Which locking features are available, and when are they required? A: Three locking options are available: (1) No lock (L77DA15STR063, 172-E15-213R001, A-DF 15 PP/Z) for applications with minimal vibration; (2) Board-side 4-40 locking (172-E15-213R011, 172-E15-213R021) securing the connector to the PCB; (3) Dual-side 4-40 locking (172-015-212R911, 172-E15-213R911) or M3 board lock (2-338314-2) for vibration-intensive or high-frequency mating environments. Selection depends on mechanical stress and installation/removal cycle requirements.

Q: Are there current rating restrictions I must observe? A: The L77DA15STR063 permits 7.5A maximum per connector. Substitutes range from 3A (A-DF 15 PP/Z) to 6A (2-338314-2) to 5A (NorComp 172 series). Circuit designs must operate within the substitute part's current rating; exceeding this limit causes overheating and contact degradation. For applications requiring full 7.5A capacity, D15S24A4GV00LF (5A per contact) or 2-338314-2 (6A) are the only viable substitutes; A-DF 15 PP/Z and NorComp 172 series are restricted to 3A and 5A applications respectively.

Q: Can I substitute based on color or shell material variations? A: Color (black, white, beige, gray) is a cosmetic parameter that does not affect electrical or mechanical compatibility. Shell material (tin-plated versus nickel-plated steel) affects corrosion resistance in humid or saline environments; nickel-plated variants (NorComp 172-E15 series) provide enhanced durability. Brass versus phosphor bronze contact material does not impact substitute eligibility provided that the component performs within specified electrical ratings. All listed substitutes maintain UL94 V-0 flammability compliance and solder termination; these parameters are non-negotiable for substitution.

Q: What is the significance of MSL (Moisture Sensitivity Level) rating? A: The L77DA15STR063 carries MSL 1 (Unlimited), indicating that the connector tolerates unlimited exposure to humidity and moisture without special drying or handling protocols. NorComp 172 series parts show "Not Applicable," implying inherent moisture tolerance due to their polymeric construction. All substitutes listed maintain equivalent or superior moisture resistance; no additional protective measures are required during storage or assembly.

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