DF17A(2.0)-20DP-0.5V(57) Equivalent & Substitute Parts

Part Overview

The DF17A(2.0)-20DP-0.5V(57) is a 20-position connector header manufactured by Hirose Electric Co Ltd, designed for surface mount applications with outer shroud contacts and gold plating. This component is classified as obsolete, which necessitates identification of active equivalent parts to ensure continued design support and procurement availability. The part operates within the DF17 series rectangular connector family and maintains full RoHS compliance.

Substiute Parts

DF17A(2.0)-20DP-0.5V(57)

Hirose Electric Co LtdIn Stock: 879DF17A(2.0)-20DP-0.5V(57) Datasheet

Current PartRFQ

DF17(2.0)-20DP-0.5V(57)

Hirose Electric Co LtdIn Stock: 14619DF17(2.0)-20DP-0.5V(57) Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The DF17(2.0)-20DP-0.5V(57) qualifies as a direct substitute based on the following critical parameters that determine functional and mechanical compatibility:

• Series and Base Product Number: Both parts belong to the DF17 series with identical base product number DF17(2.0)
• Connector Configuration: 20-position header with outer shroud contacts maintained across both parts
• Pitch and Row Configuration: 0.020" (0.50mm) pitch with 2-row arrangement identical in both parts
• Mounting Type: Surface mount technology consistent between main and substitute part
• Contact Finish: Gold plating specification identical
• Height and Stacking Dimensions: Height above board (0.169" / 4.30mm) and mated stacking heights (5mm, 6mm) are equivalent
• Electrical and Environmental Ratings: Moisture sensitivity level 1 (Unlimited) and RoHS compliance maintained

The substitute part transitions from obsolete to active product status while maintaining all functional and mechanical parameters required for direct replacement.

Parameter Comparison

Engineering Selection Recommendations

The DF17(2.0)-20DP-0.5V(57) is the direct equivalent for the obsolete DF17A(2.0)-20DP-0.5V(57). Selection of the substitute part is based on the following engineering criteria:

• Product Status Transition: The substitute part maintains active product status, ensuring long-term availability and manufacturing support compared to the obsolete main part
• Compliance Enhancement: The substitute achieves ROHS3 compliance, representing an upgrade from the original RoHS Compliant designation
• Functional Equivalence: All critical electrical and mechanical parameters remain unchanged, ensuring drop-in compatibility in existing designs
• Additional Features: The substitute includes solder retention capability in addition to the board guide feature, providing enhanced manufacturing robustness without compromising compatibility
• Packaging Availability: The substitute is available in standard Tape & Reel packaging, facilitating automated assembly processes

Frequently Asked Questions (FAQ)

Q: Can the DF17(2.0)-20DP-0.5V(57) be used as a direct replacement for the DF17A(2.0)-20DP-0.5V(57)?

A: Yes. Both parts share identical connector configuration, pitch, row arrangement, mounting type, contact finish, and dimensional specifications. The substitute part is functionally and mechanically equivalent for all applications.

Q: What is the difference between the main part and the substitute?

A: The primary differences are product status (obsolete versus active) and packaging format. The substitute includes solder retention as an additional feature and achieves enhanced ROHS3 compliance. These differences represent improvements without affecting compatibility.

Q: Are the dimensional specifications identical between both parts?

A: Yes. Height above board (0.169" / 4.30mm), mated stacking heights (5mm, 6mm), and all other dimensional parameters are identical.

Q: Does the substitute part require any design modifications?

A: No. The DF17(2.0)-20DP-0.5V(57) maintains all functional and mechanical parameters of the original part. No PCB layout, footprint, or assembly process modifications are required.

Q: What is the significance of the solder retention feature in the substitute part?

A: Solder retention is a manufacturing enhancement that improves component stability during reflow soldering processes. This feature does not affect electrical performance or mechanical compatibility.

Q: Is the substitute part available in different packaging options?

A: The substitute part is specified in Tape & Reel (TR) packaging, which is the standard format for automated surface mount assembly. Verify packaging requirements for your specific manufacturing process.

Q: Are the moisture sensitivity levels equivalent?

A: Yes. Both parts maintain Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling requirements during storage or assembly.