L77DAH15SOL2 D-Sub Receptacle Equivalent and Substitute Parts

Part Overview

The Amphenol ICC L77DAH15SOL2 is a 15-position D-Sub receptacle connector featuring female sockets with through-hole solder termination. This connector is classified as active product status and serves as a fundamental interconnect component for applications requiring robust D-Sub connectivity with high current capacity (7.5A) and wide operating temperature range (-55°C to 125°C). Identifying equivalent and substitute parts is necessary when managing supply chain constraints, obsolescence mitigation, or selecting components from alternative manufacturers while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	L77DAH15SOL2
Manufacturer	Amphenol ICC (Commercial Products)
Connector Type	D-Sub Receptacle, Female Sockets
Number of Positions	15
Shell Size / Layout	Size 2 (DA, A)
Mounting Type	Through Hole
Flange Feature	Board Side (4-40)
Termination	Solder
Current Rating	7.5A
Voltage Rating	300V
Operating Temperature	-55°C ~ 125°C
Shell Material / Finish	Steel, Tin Plated
Contact Material / Finish	Brass, Gold (8.00µin)
Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution of the L77DAH15SOL2 is determined by strict compliance with the following electrical and mechanical parameters:

Mandatory Substitution Criteria:

Connector type: D-Sub Receptacle, Female Sockets
Number of positions: 15
Shell size and layout: Size 2 (DA, A)
Connector style: D-Sub
Termination method: Solder
Mounting configuration: Through Hole (with or without panel mount capability)

Compatible Substitution Parameters:

Flange feature variations (Board Side, Housing/Shell, Mating Side) are acceptable if mechanical mounting requirements are met
Current rating: Minimum 3A (though lower ratings reduce design margin)
Voltage rating: Minimum 250V (though 300V or higher preferred)
Operating temperature range: Must encompass application requirements
Shell material finish: Steel with Tin or Nickel plating acceptable
Contact material: Brass, Phosphor Bronze, or Copper Alloy acceptable
Contact finish: Gold plating acceptable at all thickness levels
Flammability rating: UL94 V-0 required
RoHS compliance status: RoHS or ROHS3 compliant

Substitutes are grouped based on these defined compatibility boundaries. Parts meeting all mandatory criteria and acceptable parameter ranges qualify as engineering-level substitutes.

Parameter Comparison

Parameter	L77DAH15SOL2 (Amphenol ICC)	172-015-212R001 (NorComp)	172-E15-213R011 (NorComp)	D15S24A4GV00LF (Amphenol ICC)	2-338314-2 (TE Connectivity)	A-DF 15 PP/Z (Assmann WSW)
Product Status	Active	Obsolete	Active	Active	Active	Active
Connector Type	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets
Positions / Layout	15 / Size 2 (DA, A)	15 / Size 2 (DA, A)	15 / Size 2 (DA, A)	15 / Size 2 (DA, A)	15 / Size 2 (DA, A)	15 / Size 2 (DA, A)
Mounting Type	Through Hole	Panel Mount, Through Hole	Panel Mount, Through Hole	Through Hole	Through Hole	Through Hole
Flange Feature	Board Side (4-40)	Housing/Shell (Unthreaded)	Board Side (4-40)	Mating Side, Female Screwlock (4-40)	Housing/Shell (M3)	Housing/Shell (Unthreaded)
Current Rating	7.5A	5A	5A	5A per Contact	6A	3A
Voltage Rating	300V	—	—	300V	—	250V
Operating Temperature	-55°C ~ 125°C	-50°C ~ 100°C	-50°C ~ 100°C	-55°C ~ 125°C	-55°C ~ 105°C	-20°C ~ 105°C
Shell Material / Finish	Steel, Tin Plated	Steel, Tin Plated	Steel, Nickel Plated	Steel, Tin-Nickel Plated	Steel, Tin Plated	Steel, Tin Plated
Contact Material	Brass	Brass	Brass	Phosphor Bronze	Phosphor Bronze	Copper Alloy
Contact Finish	Gold (8.00µin)	Gold (Flash)	Gold (Flash)	Gold (Flash)	Gold	Gold (Flash)
Flammability Rating	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	RoHS Compliant	RoHS Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Active Product Status Preference: The L77DAH15SOL2, 172-E15-213R011, D15S24A4GV00LF, 2-338314-2, and A-DF 15 PP/Z carry active product status, indicating continued manufacturer support and availability. The 172-015-212R001 (NorComp) is classified as obsolete and should be avoided for new designs unless existing inventory constraints mandate its use.

Compliance and Regulatory Alignment: All listed substitutes maintain UL94 V-0 flammability certification, meeting safety requirements. RoHS and ROHS3 compliance is consistent across the entire substitute list. Parts designated as REACH Unaffected or RoHS Compliant present no regulatory barriers for applications requiring environmental compliance.

Current and Voltage Margin Considerations: The L77DAH15SOL2 provides 7.5A current capacity and 300V voltage rating. Substitutes demonstrate reduced current ratings (3A to 6A). D15S24A4GV00LF and 2-338314-2 offer comparable electrical performance at 5A and 6A respectively. A-DF 15 PP/Z presents the lowest current margin at 3A and should be selected only for applications with reduced power requirements.

Temperature Operating Range: The L77DAH15SOL2 and D15S24A4GV00LF provide the widest temperature envelope (-55°C to 125°C), suitable for industrial and military applications. 2-338314-2 extends to -55°C to 105°C. NorComp parts and A-DF 15 PP/Z are constrained to -50°C to 100°C or -20°C to 105°C, limiting use in extended temperature applications.

Mechanical Configuration Trade-offs: The L77DAH15SOL2 features board-side flange mounting. NorComp 172-E series and alternatives offering panel-mount capabilities provide enhanced mechanical flexibility. Housing flange variations (unthreaded vs. M3) accommodate different PCB densities and mechanical requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute A-DF 15 PP/Z for L77DAH15SOL2 in a high-current application?

A: No. The A-DF 15 PP/Z is rated at 3A maximum current versus 7.5A for the L77DAH15SOL2. This provides insufficient current capacity for designs requiring full connector utilization. Voltage rating (250V vs. 300V) is also reduced. Selection of this substitute is limited to low-current signal applications.

Q: What is the difference between the NorComp obsolete and active parts?

A: The 172-015-212R001 is classified as obsolete, indicating discontinued manufacturer support and eventual supply depletion. Active alternatives within the NorComp 172-E series (172-E15-213R011, 172-E15-213R021, 172-E15-213R031, 172-E15-213R911) feature identical electrical specifications but improved dielectric material (Polyamide PA6T vs. Polybutylene Terephthalate) and nickel plating. New designs should specify active parts to ensure long-term supply security.

Q: Are panel-mount versions of this connector directly interchangeable?

A: Panel-mount variants (NorComp 172-E series, 172-015 series) are electrically interchangeable but mechanically distinct. Panel-mount versions provide additional flange features for front-panel installation. Use panel-mount versions only if mechanical mounting to a panel face is required; board-mounted applications should maintain board-side flange configurations.

Q: What is the significance of screwlock features?

A: Screwlock features (present in D15S24A4GV00LF and 172-E15-213R911) provide mechanical retention and anti-mating force. These are optional features that enhance reliability in vibration-prone or high-stress applications. Standard versions without screwlock are mechanically compatible but lack this additional retention feature.

Q: Does higher gold plating thickness affect electrical performance?

A: Contact finish thickness variations (8.00µin vs. flash) do not alter electrical characteristics for D-Sub receptacle applications. Flash plating (minimal thickness) is sufficient for signal contact protection. Thicker plating does not provide measurable performance advantage and increases component cost.

Q: Which substitute offers the best overall compatibility?

A: The D15S24A4GV00LF (Amphenol ICC Delta D series) provides the closest electrical and temperature specification alignment to the L77DAH15SOL2, featuring identical 300V voltage rating and extended -55°C to 125°C operating range. Both are manufactured by Amphenol ICC and carry active product status with RoHS compliance.

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