WH1P040WA1 Equivalent & Substitute Parts

Part Overview

The WH1P040WA1 is a 40-position rectangular connector plug manufactured by JAE Electronics, designed for surface mount applications with outer shroud contacts and gold plating. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing production and maintenance applications. Substitute parts must maintain identical electrical and mechanical specifications to ensure direct compatibility in existing designs.

Key Parameters

Parameter	Specification
Connector Type	Plug, Outer Shroud Contacts
Number of Positions	40
Pitch	0.016" (0.40mm)
Number of Rows	2
Mounting Type	Surface Mount
Contact Finish	Gold
Contact Finish Thickness	4.00µin (0.100µm)
Mated Stacking Height	1mm
Height Above Board	0.030" (0.75mm)
RoHS Status	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the WH1P040WA1 is determined by strict equivalence across the following critical parameters:

Connector Type & Configuration: Plug with outer shroud contacts
Electrical Interface: 40 positions, 2-row arrangement, 0.016" (0.40mm) pitch
Mounting Technology: Surface mount compatibility
Contact Properties: Gold finish at 4.00µin (0.100µm) thickness
Physical Dimensions: Mated stacking height of 1mm and height above board within tolerance
Environmental Compliance: RoHS compliance and MSL rating

The Molex 5024304030 meets all these criteria and qualifies as a direct functional equivalent.

Parameter Comparison

Parameter	WH1P040WA1 (JAE)	5024304030 (Molex)	Match Status
Connector Type	Plug, Outer Shroud Contacts	Plug, Outer Shroud Contacts	Equivalent
Number of Positions	40	40	Equivalent
Pitch	0.016" (0.40mm)	0.016" (0.40mm)	Equivalent
Number of Rows	2	2	Equivalent
Mounting Type	Surface Mount	Surface Mount	Equivalent
Contact Finish	Gold	Gold	Equivalent
Contact Finish Thickness	4.00µin (0.100µm)	4.00µin (0.100µm)	Equivalent
Mated Stacking Height	1mm	1mm	Equivalent
Height Above Board	0.030" (0.75mm)	0.031" (0.80mm)	Within Tolerance
RoHS Status	RoHS Compliant	ROHS3 Compliant	Equivalent
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Equivalent

Engineering Selection Recommendations

The Molex 5024304030 is the qualified substitute for the obsolete WH1P040WA1. Selection rationale is based on the following factors:

Product Status: The WH1P040WA1 is obsolete, while the 5024304030 maintains active production status, ensuring long-term availability and supply chain continuity.

Compliance Alignment: Both components meet RoHS requirements. The 5024304030 carries ROHS3 compliance, representing current regulatory standards. Both components are unaffected by REACH restrictions.

Electrical & Mechanical Compatibility: All critical parameters—connector type, position count, pitch, row configuration, contact finish, and stacking dimensions—are equivalent or within acceptable tolerance. The height above board variance of 0.001" (0.05mm) is within standard manufacturing tolerances for this connector class.

Environmental Rating: Both components carry MSL 1 (Unlimited) classification, indicating identical moisture sensitivity performance.

Packaging Consideration: The 5024304030 is supplied in Tape & Reel format, standard for high-volume surface mount assembly operations.

Frequently Asked Questions (FAQ)

Q: Can the Molex 5024304030 be used as a direct replacement for the WH1P040WA1 in existing designs?

A: Yes. The 5024304030 meets all electrical and mechanical specifications of the WH1P040WA1. The connector type, position count, pitch, mounting method, contact finish, and environmental ratings are equivalent. The 0.001" variance in height above board is within standard manufacturing tolerance and does not affect functional compatibility.

Q: What is the primary reason for substitution?

A: The WH1P040WA1 is classified as obsolete. The Molex 5024304030 provides equivalent functionality with active production status, ensuring reliable supply availability.

Q: Are there any compliance differences between these parts?

A: Both components are RoHS compliant and REACH unaffected. The 5024304030 carries ROHS3 certification, reflecting current regulatory standards. This represents an improvement in compliance posture with no functional impact.

Q: Does the Tape & Reel packaging of the 5024304030 affect compatibility?

A: No. Packaging format affects supply chain logistics and assembly handling but does not alter electrical or mechanical compatibility. Tape & Reel is standard for surface mount connector applications.

Q: Are the contact finish specifications identical?

A: Yes. Both components feature gold plating at 4.00µin (0.100µm) thickness, ensuring equivalent electrical performance and corrosion resistance.

Q: What is the MSL rating for both components?

A: Both the WH1P040WA1 and 5024304030 carry MSL 1 (Unlimited) classification, indicating no moisture sensitivity restrictions for storage or handling.

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