L77TSAG15SOL2RM8

Part Overview

The L77TSAG15SOL2RM8 is a 15-position D-Sub receptacle connector with female sockets manufactured by Amphenol ICC. This through-hole, vertically-mounted connector is designed for solder termination and includes board lock features. The product is currently active and widely available in inventory (950 units in stock). Substitute parts are necessary to address supply chain alternatives, manufacturing variations, compliance requirements, and sourcing flexibility across multiple manufacturers including HARTING, TE Connectivity, and NorComp Inc.

Key Parameters

Parameter	L77TSAG15SOL2RM8
Connector Type	Receptacle, Female Sockets
Number of Positions	15
Shell Size / Layout	2 (DA, A)
Mounting Type	Through Hole
Termination	Solder
Shell Material / Finish	Steel, Tin Plated
Contact Material	Copper Alloy
Current Rating	5A
Voltage Rating	600V
Operating Temperature	-55°C ~ 125°C
Flange Feature	Mating Side, Female Screwlock (M3)
Features	Board Lock
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the L77TSAG15SOL2RM8 is determined by strict compliance with the following critical parameters:

Primary Matching Criteria:

Connector type: Receptacle, Female Sockets
Number of positions: 15
Shell size and layout: 2 (DA, A)
Mounting type: Through Hole
Termination method: Solder
Material flammability: UL94 V-0
Connector style: D-Sub

Secondary Compatibility Parameters:

Operating temperature range: -55°C minimum and 125°C maximum
Current rating: 5A or greater
Contact material: Copper Alloy
Moisture sensitivity level: 1 (Unlimited)

Acceptable Variations: Substitutes may differ in shell finish (tin-plated vs. non-specified), contact finish (gold vs. unspecified), dielectric material composition, flange screw size (M3 vs. 4-40), and RoHS compliance status, provided all primary and secondary matching criteria are met.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Connector Type	Positions	Shell Size	Mounting Type	Current Rating (A)	Operating Temp (°C)	Flange Feature	Board Lock	RoHS Status	Inventory
L77TSAG15SOL2RM8	Amphenol ICC	Receptacle, Female Sockets	15	2 (DA, A)	Through Hole	5	-55 ~ 125	Mating Side, Female Screwlock (M3)	Yes	RoHS Compliant	950
09662117503	HARTING	Receptacle, Female Sockets	15	2 (DA, A)	Through Hole	6.5	-55 ~ 125	Mating Side, Female Screwlock (4-40)	No	ROHS3 Compliant	787
09662516513	HARTING	Receptacle, Female Sockets	15	2 (DA, A)	Through Hole	6.5	-55 ~ 125	Mating Side, Female Screwlock (4-40)	Yes	ROHS3 Compliant	1655
09662556513	HARTING	Receptacle, Female Sockets	15	2 (DA, A)	Through Hole	6.5	-55 ~ 125	Mating Side, Female Screwlock (4-40)	Yes	ROHS3 Compliant	678
1-747299-4	TE Connectivity AMP Connectors	Receptacle, Female Sockets	15	2 (DA, A)	Through Hole	6	-55 ~ 105	Mating Side, Female Screwlock (4-40)	No	RoHS non-compliant	2094
172-E15-213R001	NorComp Inc.	Receptacle, Female Sockets	15	2 (DA, A)	Panel Mount, Through Hole	5	-50 ~ 100	Housing/Shell (Unthreaded)	No	ROHS3 Compliant	1705
172-E15-213R011	NorComp Inc.	Receptacle, Female Sockets	15	2 (DA, A)	Panel Mount, Through Hole	5	-50 ~ 100	Board Side (4-40)	No	ROHS3 Compliant	1509
172-E15-213R021	NorComp Inc.	Receptacle, Female Sockets	15	2 (DA, A)	Panel Mount, Through Hole	5	-50 ~ 100	Board Side (4-40)	No	ROHS3 Compliant	1223
172-E15-213R031	NorComp Inc.	Receptacle, Female Sockets	15	2 (DA, A)	Panel Mount, Through Hole	5	-50 ~ 100	Mating Side (4-40)	No	ROHS3 Compliant	1211
172-E15-213R911	NorComp Inc.	Receptacle, Female Sockets	15	2 (DA, A)	Panel Mount, Through Hole	5	-50 ~ 100	Board Side (4-40), Mating Side, Female Screwlock (4-40)	Yes	ROHS3 Compliant	6223
5-338314-2	TE Connectivity AMP Connectors	Receptacle, Female Sockets	15	2 (DA, A)	Through Hole	6	-55 ~ 105	Housing/Shell (Unthreaded)	No	ROHS3 Compliant	1670

Engineering Selection Recommendations

Tier 1 Substitutes (Direct Electrical Equivalents with RoHS Compliance):

09662516513 (HARTING) and 09662556513 (HARTING): These parts maintain through-hole vertical mounting, board lock capability, 15-position D-Sub configuration, and exceed the current rating specification. Both are ROHS3 compliant. The 09662516513 variant has the largest available inventory (1655 units).
5-338314-2 (TE Connectivity AMP): Maintains through-hole mounting, 15-position D-Sub design, and ROHS3 compliance. Higher current rating (6A) ensures electrical compatibility. Lacks board lock feature and has reduced maximum operating temperature (105°C vs. 125°C).

Tier 2 Substitutes (Restricted Mounting Type):

172-E15-213R911 (NorComp Inc.): Provides board lock capability, 15-position D-Sub configuration, and ROHS3 compliance. Mounting type is panel mount with through hole, which differs from vertical through-hole mounting. Operating temperature range limited to -50°C ~ 100°C.

Non-Recommended Substitutes:

1-747299-4 (TE Connectivity AMP): RoHS non-compliant status and reduced operating temperature range (-55°C ~ 105°C) make this unsuitable for applications requiring RoHS compliance or maximum temperature operation.
09662117503 (HARTING), 172-E15-213R001, 172-E15-213R011, 172-E15-213R021: Lack board lock feature, which is critical for mechanical stability in the primary application.

Frequently Asked Questions (FAQ)

Q: Can I substitute the L77TSAG15SOL2RM8 with the 09662516513? A: Yes. Both are 15-position D-Sub receptacles with through-hole solder termination, matching shell size, flange configuration, and operating temperature range. The HARTING part exceeds the current rating specification and maintains ROHS3 compliance.

Q: What is the significance of the board lock feature in substitution? A: Board lock is a mechanical retention feature that prevents connector displacement. The original part includes this feature. Substitutes without board lock (such as 172-E15-213R001, 172-E15-213R011, 172-E15-213R021) are not mechanically equivalent unless board lock is not required by your application.

Q: Why are the NorComp parts listed as substitutes if they use panel mount? A: NorComp parts support both panel mount and through-hole termination. However, their primary mounting configuration differs from the vertical through-hole design of the L77TSAG15SOL2RM8, affecting mechanical compatibility.

Q: Is RoHS compliance critical for substitution? A: RoHS compliance status is specified in the product data. The original part is RoHS Compliant. Substitutes with ROHS3 compliance maintain regulatory compatibility. The 1-747299-4 is RoHS non-compliant and is not recommended for applications requiring RoHS-compliant components.

Q: Does the flange screw size (M3 vs. 4-40) affect substitutability? A: Flange screw size determines mechanical mounting interface compatibility. The original part uses M3 screwlock, while most substitutes use 4-40 threads. Mechanical mounting compatibility depends on your fixture design and screw availability.

Q: What is MSL rating and why does it matter? A: Moisture Sensitivity Level (MSL) indicates the component's sensitivity to moisture during storage and handling. All listed parts have MSL 1 (Unlimited), indicating no special moisture control requirements during storage or handling.

Q: Can I use 1-747299-4 as a direct substitute? A: While electrically compatible, the 1-747299-4 has two limiting factors: it is RoHS non-compliant and has a reduced maximum operating temperature (105°C vs. 125°C). Use only if your application does not require RoHS compliance and operates below 105°C.

Q: Why does current rating vary between parts if they are listed as substitutes? A: D-Sub connectors of identical size can support different current ratings based on internal contact geometry and materials. Parts rated at 6A or 6.5A are fully compatible with designs requiring 5A, as they provide additional electrical capacity.

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