L77SDAH15SOL2 D-Sub Receptacle Equivalent & Substitute Parts

Part Overview

The L77SDAH15SOL2 is a 15-position D-Sub receptacle connector manufactured by Amphenol ICC (Commercial Products). This through-hole solder-terminated connector features female sockets in a 2-row configuration with board-side flange mounting. The part is active in production with 776 units currently in stock. Equivalent and substitute parts are identified based on matching core electrical and mechanical parameters: 15-position D-Sub receptacle configuration, 2-row layout, through-hole solder termination, and compatible shell size (DA/A, Size 2).

Key Parameters

Parameter	L77SDAH15SOL2
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
Current Rating	3A
Voltage Rating	250V
Operating Temperature	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following mandatory parameters:

Connector type: D-Sub receptacle, female sockets
Position count: 15 positions
Row configuration: 2 rows
Shell size and layout: Size 2 (DA, A)
Mounting method: Through hole
Termination method: Solder
Flammability rating: UL94 V-0

Parts meeting all these criteria are electrically and mechanically compatible. Variations in current rating, voltage rating, contact finish, shell material, and dielectric material do not prevent substitution when the core parameters align. Flange feature differences (board-side vs. mating-side vs. housing/shell) represent mechanical mounting variations that must be evaluated for specific application requirements.

Parameter Comparison

Part Number	Manufacturer	Positions	Rows	Shell Size	Mounting	Termination	Current Rating	Voltage Rating	Operating Temp	Flammability	RoHS Status	Inventory
L77SDAH15SOL2	Amphenol ICC	15	2	2 (DA, A)	Through Hole	Solder	3A	250V	-55°C ~ 125°C	UL94 V-0	RoHS Compliant	776
09662117503	HARTING	15	2	2 (DA, A)	Through Hole	Solder	6.5A	—	-55°C ~ 125°C	UL94 V-0	ROHS3 Compliant	787
09662556513	HARTING	15	2	2 (DA, A)	Through Hole	Solder	6.5A	—	-55°C ~ 125°C	UL94 V-0	ROHS3 Compliant	678
5207827-3	TE Connectivity AMP	15	2	2 (DA, A)	Through Hole	Solder	6A	125V	-55°C ~ 105°C	UL94 V-0	ROHS3 Compliant	1489
5207827-4	TE Connectivity AMP	15	2	2 (DA, A)	Through Hole	Solder	6A	125V	-55°C ~ 105°C	UL94 V-0	RoHS Compliant	1312
5745057-3	TE Connectivity AMP	15	2	2 (DA, A)	Through Hole	Solder	6A	125V	-55°C ~ 105°C	UL94 V-0	RoHS Compliant	1293
5745057-4	TE Connectivity AMP	15	2	2 (DA, A)	Through Hole	Solder	6A	125V	-55°C ~ 105°C	UL94 V-0	RoHS Compliant	1751
5745077-3	TE Connectivity AMP	15	2	2 (DA, A)	Through Hole	Solder	6A	125V	-55°C ~ 105°C	UL94 V-0	RoHS Compliant	1748
5745077-4	TE Connectivity AMP	15	2	2 (DA, A)	Through Hole	Solder	6A	125V	-55°C ~ 105°C	UL94 V-0	ROHS3 Compliant	1246
5745077-6	TE Connectivity AMP	15	2	2 (DA, A)	Through Hole	Solder	6A	125V	-55°C ~ 105°C	UL94 V-0	ROHS3 Compliant	2639
D15S24A4GV00LF	Amphenol ICC (FCI)	15	2	2 (DA, A)	Through Hole	Solder	5A per Contact	300V	-55°C ~ 125°C	UL94 V-0	RoHS Compliant	35497

Engineering Selection Recommendations

All listed substitute parts meet the core mechanical and electrical compatibility criteria for the L77SDAH15SOL2. Selection among substitutes should be based on the following factors:

Compliance and Certification: All parts carry UL94 V-0 flammability rating and RoHS compliance status. HARTING parts (09662117503, 09662556513) are ROHS3 compliant. TE Connectivity parts vary between RoHS and ROHS3 compliance. Amphenol ICC parts (L77SDAH15SOL2, D15S24A4GV00LF) are RoHS compliant.

Current and Voltage Ratings: The L77SDAH15SOL2 is rated for 3A at 250V. HARTING substitutes provide higher current capacity (6.5A) with unspecified voltage rating. TE Connectivity AMPLIMITE HD-20 series parts are rated for 6A at 125V. Amphenol ICC D15S24A4GV00LF is rated for 5A per contact at 300V. Applications requiring the full 250V or 3A specification of the original part should confirm compatibility with substitute voltage and current ratings.

Operating Temperature Range: The L77SDAH15SOL2 operates from -55°C to 125°C. TE Connectivity AMPLIMITE HD-20 series parts operate from -55°C to 105°C, representing a reduced upper temperature limit. Applications requiring operation above 105°C should use the L77SDAH15SOL2, D15S24A4GV00LF, or HARTING parts.

Flange Feature Variations: The L77SDAH15SOL2 features board-side flange mounting (4-40). HARTING parts (09662117503, 09662556513) feature mating-side female screwlock flanges. TE Connectivity parts vary between housing/shell unthreaded flanges (5207827 series) and mating-side female screwlock flanges (5745077 series). D15S24A4GV00LF features mating-side female screwlock flange. Flange type determines mechanical mounting compatibility and must align with application PCB design.

Inventory Availability: D15S24A4GV00LF offers the highest inventory (35,497 units). TE Connectivity 5745077-6 provides 2,639 units. All parts are in active production status.

Frequently Asked Questions (FAQ)

Q: Can I substitute a TE Connectivity AMPLIMITE HD-20 part for the L77SDAH15SOL2?

A: Yes, mechanically and electrically. However, the AMPLIMITE HD-20 series operates to 105°C maximum, compared to 125°C for the L77SDAH15SOL2. If your application requires operation above 105°C, this substitution is not suitable. Additionally, the AMPLIMITE series has a 125V voltage rating versus 250V for the original part. Confirm your application voltage requirements before substitution.

Q: What is the difference between the HARTING 09662117503 and 09662556513?

A: Both are 15-position D-Sub receptacles from HARTING with identical core specifications. The 09662556513 includes a Board Lock feature and uses PCT (polycyclohexylenedimethylene terephthalate) dielectric material, while 09662117503 uses PBT (polybutylene terephthalate) dielectric. Both are mechanically and electrically compatible with the L77SDAH15SOL2.

Q: Does flange type affect electrical performance?

A: No. Flange type (board-side, mating-side screwlock, or housing/shell) affects only mechanical mounting and does not impact electrical characteristics. Selection depends on your PCB design and mechanical assembly requirements.

Q: Are all these parts RoHS compliant?

A: All listed parts carry RoHS compliance certification. Some are RoHS compliant and others are ROHS3 compliant. Both designations meet RoHS requirements; ROHS3 represents a more recent certification standard. Confirm your application's specific compliance requirement.

Q: Can I use D15S24A4GV00LF as a direct replacement for L77SDAH15SOL2?

A: Yes, for most applications. Both are 15-position D-Sub receptacles with identical position count, row configuration, shell size, and operating temperature range (-55°C to 125°C). The D15S24A4GV00LF has higher voltage rating (300V vs. 250V) and higher current capacity (5A per contact vs. 3A). The primary difference is flange type: D15S24A4GV00LF uses mating-side female screwlock versus board-side on the L77SDAH15SOL2. Verify your PCB mounting design accommodates the flange difference.

Q: What does "Flash" contact finish thickness mean?

A: Flash finish indicates a very thin gold plating applied to the contact surface, typically less than 1 microinch. This provides corrosion resistance and contact reliability without the cost of thicker plating. Flash finish is standard for signal contacts in D-Sub connectors and does not affect substitution compatibility.

Q: Why do some parts list voltage rating as "—" (unspecified)?

A: HARTING parts 09662117503 and 09662556513 do not specify voltage rating in available documentation. This does not indicate inadequate voltage performance; it reflects different manufacturer specification practices. Contact the manufacturer for specific voltage ratings if required for your application.

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