DF12B(4.0)-20DP-0.5V(86) Equivalent & Substitute Parts

Part Overview

The DF12B(4.0)-20DP-0.5V(86) is a 20-position rectangular connector header manufactured by Hirose Electric Co Ltd, designed for surface mount applications with outer shroud contacts and gold plating. This connector is classified as obsolete, making identification of active equivalent parts essential for ongoing production and design continuity. The substitute part maintains identical electrical and mechanical specifications while offering active product status and improved availability.

Substiute Parts

DF12B(4.0)-20DP-0.5V(86)

Hirose Electric Co LtdIn Stock: 1033DF12B(4.0)-20DP-0.5V(86) Datasheet

Current PartRFQ

DF12NB(4.0)-20DP-0.5V(51)

Hirose Electric Co LtdIn Stock: 5722DF12NB(4.0)-20DP-0.5V(51) Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The DF12NB(4.0)-20DP-0.5V(51) qualifies as a parametric equivalent based on the following critical substitution criteria:

Electrical Parameters: Identical number of positions (20), pitch (0.50mm), contact finish (gold with 8.00µin thickness), and connector type (header with outer shroud contacts).

Mechanical Parameters: Matching mounting type (surface mount), mated stacking height (4mm), and height above board (0.130").

Series Compatibility: Both parts belong to the DF12 series, confirming mechanical and electrical interchangeability within the connector family.

Environmental Compliance: Both parts maintain RoHS compliance and MSL 1 rating, ensuring equivalent environmental performance.

The primary distinction is product status: the original part is obsolete, while the substitute is active, with significantly higher inventory availability (5706 pcs vs. 944 pcs).

Parameter Comparison

Engineering Selection Recommendations

The DF12NB(4.0)-20DP-0.5V(51) is the direct substitute for the obsolete DF12B(4.0)-20DP-0.5V(86). Selection is based on:

Product Status: The substitute maintains active product status, ensuring long-term availability and manufacturing support from Hirose Electric Co Ltd.

Compliance Equivalence: Both parts meet RoHS requirements. The substitute achieves ROHS3 compliance, representing an enhanced regulatory position.

Electrical and Mechanical Interchangeability: All critical parameters—connector type, pitch, position count, contact finish, and mounting specifications—are identical, ensuring direct PCB-level compatibility without design modification.

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

Inventory Availability: The substitute offers significantly higher stock levels, reducing procurement lead time and supply chain risk.

Frequently Asked Questions (FAQ)

Q: Can the DF12NB(4.0)-20DP-0.5V(51) be used as a direct replacement on existing PCBs designed for the DF12B(4.0)-20DP-0.5V(86)?

A: Yes. Both parts share identical pitch (0.50mm), position count (20), mounting type (surface mount), and height specifications (0.130" above board). No PCB redesign is required.

Q: What is the difference between the "B" and "NB" designations in the part numbers?

A: The designations reflect internal Hirose product line classifications. The "NB" variant represents the active production equivalent of the obsolete "B" variant. Electrical and mechanical specifications remain identical.

Q: Are there any compliance differences between the two parts?

A: Both parts are RoHS compliant. The substitute achieves ROHS3 compliance, which represents a more current regulatory standard. Both maintain MSL 1 rating with unlimited moisture sensitivity protection.

Q: What packaging format is the substitute supplied in?

A: The DF12NB(4.0)-20DP-0.5V(51) is supplied in Tape & Reel (TR) format, standard for automated surface mount assembly. The original part packaging is not specified.

Q: Is the contact finish specification identical between both parts?

A: Yes. Both parts feature gold contact finish with 8.00µin (0.203µm) thickness, ensuring equivalent electrical performance and reliability.

Q: Why should I transition from the obsolete part to the substitute?

A: The original part is obsolete, meaning Hirose Electric Co Ltd no longer manufactures it. The substitute is active and widely available (5706 pcs in stock vs. 944 pcs for the obsolete variant), ensuring reliable supply for current and future production runs.