DF57-5P-1.2V(21) Equivalent & Substitute Parts

Part Overview

The DF57-5P-1.2V(21) is a rectangular connector header manufactured by Hirose Electric Co Ltd, designed for surface mount applications with 5 positions at 1.2mm pitch. This component features male blade contacts, solder termination, and swing lock fastening, suitable for board-to-cable/wire connections.

The DF57-5P-1.2V(21) carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this connector.

Substiute Parts

DF57-5P-1.2V(21)

Hirose Electric Co LtdIn Stock: 3178DF57-5P-1.2V(21) Datasheet

Current PartRFQ

DF57H-5P-1.2V(21)

Hirose Electric Co LtdIn Stock: 5384DF57H-5P-1.2V(21) Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the DF57-5P-1.2V(21) is determined by strict alignment of the following critical parameters:

• Connector Type: Header
• Contact Type: Male Blade
• Number of Positions: 5
• Pitch - Mating: 0.047" (1.20mm)
• Mounting Type: Surface Mount
• Termination: Solder
• Fastening Type: Swing Lock
• Insulation Material: Liquid Crystal Polymer (LCP)
• Contact Material: Brass
• Contact Finish: Tin
• Operating Temperature Range: -35°C ~ 85°C
• Material Flammability Rating: UL94 V-0

The DF57H-5P-1.2V(21) meets all specified electrical and mechanical parameters required for direct substitution. This part represents an active product variant within the same DF57 series family, offering improved supply availability and current manufacturing support.

Parameter Comparison

Engineering Selection Recommendations

The DF57H-5P-1.2V(21) is the direct substitute for the obsolete DF57-5P-1.2V(21). Both parts share identical electrical and mechanical specifications, including connector type, contact configuration, pitch, mounting method, and operating parameters.

The DF57H-5P-1.2V(21) offers the advantage of Active product status, ensuring ongoing manufacturer support and supply chain availability. This variant includes ROHS3 compliance certification and REACH unaffected status, meeting current regulatory requirements for electronic component procurement.

The substitute part is supplied in Tape & Reel (TR) packaging format, suitable for automated assembly processes. Both parts maintain UL94 V-0 flammability rating and unlimited moisture sensitivity level (MSL 1), confirming compatibility with existing design requirements and manufacturing workflows.

Frequently Asked Questions (FAQ)

Q: Can DF57H-5P-1.2V(21) be used as a direct replacement for DF57-5P-1.2V(21)?

A: Yes. Both parts share identical connector type, contact configuration, pitch spacing, mounting method, termination type, and operating temperature range. All critical electrical and mechanical parameters align, enabling direct substitution without design modification.

Q: What is the primary difference between these two parts?

A: The DF57H-5P-1.2V(21) is an active product variant with current manufacturing support, while the DF57-5P-1.2V(21) is obsolete. The substitute includes ROHS3 compliance and REACH unaffected certifications. Packaging differs: the substitute uses Tape & Reel format versus the original's unspecified packaging.

Q: Are there any compatibility concerns with PCB layout or assembly?

A: No. Both parts maintain identical physical dimensions, insulation height (0.055" / 1.40mm), contact shape, and surface mount termination specifications. Existing PCB layouts and assembly processes require no modification.

Q: Does the substitute part meet regulatory compliance requirements?

A: Yes. The DF57H-5P-1.2V(21) is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for electronic component procurement and use.

Q: What is the inventory status for the substitute part?

A: The DF57H-5P-1.2V(21) has 5332 pieces in stock as new original inventory, providing reliable supply availability compared to the obsolete original part.