QSE-020-01-S-D-A Equivalent & Substitute Parts

Part Overview

The QSE-020-01-S-D-A is a 40-position rectangular connector receptacle manufactured by Samtec Inc. as part of the Q Strip® QSE series. This surface mount connector features center strip contacts with gold plating and is designed for applications requiring reliable interconnection with multiple mating configurations. The part maintains Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the connector family, enabling design flexibility and supply chain optimization.

Substiute Parts

QSE-020-01-S-D-A

Samtec Inc.In Stock: 901QSE-020-01-S-D-A Datasheet

Current PartRFQ

QSE-020-01-H-D-A

Samtec Inc.In Stock: 92801QSE-020-01-H-D-A Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the QSE-020-01-S-D-A is determined by strict equivalence across the following critical parameters:

• Number of Positions: 40
• Pitch: 0.031" (0.80mm)
• Number of Rows: 2
• Connector Type: Receptacle, Center Strip Contacts
• Mounting Type: Surface Mount
• Contact Finish: Gold
• Contact Finish Thickness: 30.0µin (0.76µm)
• Height Above Board: 0.128" (3.25mm)
• Mated Stacking Heights: 5mm, 8mm, 11mm, 14mm, 16mm, 19mm, 25mm
• Features: Board Guide, Ground Bus (Plane)
• Series: Q Strip® QSE
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

The substitute part QSE-020-01-H-D-A maintains identical electrical and mechanical specifications across all parameters listed above, confirming direct substitutability within the QSE series.

Parameter Comparison

Engineering Selection Recommendations

Both QSE-020-01-S-D-A and QSE-020-01-H-D-A maintain Active product status within the Samtec Q Strip® QSE series and are ROHS3 compliant. Selection between these parts is based on inventory availability and supply chain requirements, as all electrical and mechanical parameters are equivalent. Both parts satisfy MSL 1 (Unlimited) moisture sensitivity requirements and are suitable for surface mount applications with identical board integration characteristics.

Frequently Asked Questions (FAQ)

Q: Can QSE-020-01-H-D-A be used as a direct replacement for QSE-020-01-S-D-A?

A: Yes. Both parts are electrically and mechanically equivalent across all specified parameters, including connector type, position count, pitch, mounting configuration, contact finish, and stacking heights. Direct substitution is supported within the Q Strip® QSE series.

Q: Are there differences in compliance or regulatory status between these parts?

A: No. Both parts maintain identical ROHS3 compliance and MSL 1 (Unlimited) ratings. Regulatory and environmental compliance status is equivalent.

Q: What determines substitutability for QSE-020 series connectors?

A: Substitutability is determined by equivalence across connector type, position count, pitch, row configuration, mounting type, contact finish specifications, height above board, mated stacking heights, and feature set. Parts matching all these parameters within the series are direct substitutes.

Q: Are there inventory considerations when selecting between these substitute parts?

A: Inventory levels differ between the two parts. QSE-020-01-H-D-A maintains higher stock availability (92,700 pcs) compared to QSE-020-01-S-D-A (884 pcs). Supply chain planning should account for these inventory differences.

Q: Do both parts support the same mating configurations?

A: Yes. Both parts support identical mated stacking heights of 5mm, 8mm, 11mm, 14mm, 16mm, 19mm, and 25mm, ensuring compatibility with the same connector mating systems.