DF1B-8DP-2.5DS Equivalent & Substitute Parts

Part Overview

The DF1B-8DP-2.5DS is a rectangular connector header manufactured by Hirose Electric Co Ltd, designed for through-hole, right-angle board-to-cable/wire applications. This connector features 8 positions arranged in 2 rows with 0.098" (2.50mm) pitch spacing and push-pull fastening. The part is currently listed as obsolete, making identification of equivalent and substitute parts essential for ongoing design support and procurement.

Substiute Parts

DF1B-8DP-2.5DS

Hirose Electric Co LtdIn Stock: 1098DF1B-8DP-2.5DS Datasheet

Current PartRFQ

DF1BZ-8DP-2.5DS

Hirose Electric Co LtdIn Stock: 1551DF1BZ-8DP-2.5DS Datasheet

DirectRFQ

DF1B-8DP-2.5DS(01)

Hirose Electric Co LtdIn Stock: 1075DF1B-8DP-2.5DS(01) Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the DF1B-8DP-2.5DS is determined by the following critical parameters that must remain constant:

• Connector type (Header)
• Number of positions (8) and row configuration (2 rows)
• Pitch spacing (0.098" / 2.50mm mating and row spacing)
• Mounting style (Through Hole, Right Angle)
• Contact type (Male Pin)
• Shrouding configuration (Shrouded - 4 Wall)
• Fastening type (Push-Pull)
• Insulation material (Polyamide/Nylon)
• Operating temperature range (-35°C ~ 85°C)
• Flammability rating (UL94 V-0)

The two substitute parts identified—DF1BZ-8DP-2.5DS and DF1B-8DP-2.5DS(01)—maintain all critical mechanical and electrical parameters. Variations in contact finish, voltage rating, RoHS compliance status, and packaging represent acceptable substitution criteria within the DF1B series.

Parameter Comparison

Engineering Selection Recommendations

Both DF1BZ-8DP-2.5DS and DF1B-8DP-2.5DS(01) are active product alternatives to the obsolete DF1B-8DP-2.5DS. Selection between these substitutes depends on specific application requirements:

DF1BZ-8DP-2.5DS maintains tin contact finish identical to the original part and carries ROHS3 compliance. The voltage rating is reduced to 150V compared to the original 250V specification. This part is suitable for applications operating at or below 150V where RoHS3 compliance is required.

DF1B-8DP-2.5DS(01) preserves the original 250V voltage rating and adds ROHS3 compliance. The contact finish is upgraded to gold with a thickness of 8.00µin (0.203µm), providing enhanced corrosion resistance compared to the tin finish of the original part. This part is suitable for applications requiring the full 250V rating and improved contact durability.

Both substitutes maintain mechanical compatibility, electrical performance within their respective voltage ratings, and thermal operating range with the original design. The choice between them should be based on voltage requirements and desired contact finish characteristics for the specific application.

Frequently Asked Questions (FAQ)

Q: Can DF1BZ-8DP-2.5DS be used as a direct replacement for DF1B-8DP-2.5DS?

A: DF1BZ-8DP-2.5DS is mechanically and electrically compatible with DF1B-8DP-2.5DS for all connector interface parameters. The primary difference is the reduced voltage rating of 150V versus the original 250V. This substitute is appropriate only if the application operates at or below 150V.

Q: What is the difference between tin and gold contact finishes?

A: Both tin and gold finishes are provided on brass contact material. Gold finish offers superior corrosion resistance and is typically specified for applications requiring extended shelf life or harsh environmental exposure. Tin finish is suitable for standard applications with normal storage and operating conditions.

Q: Are both substitute parts RoHS3 compliant?

A: Yes, both DF1BZ-8DP-2.5DS and DF1B-8DP-2.5DS(01) carry ROHS3 compliance status, whereas the original DF1B-8DP-2.5DS is RoHS non-compliant. This compliance upgrade is a benefit for applications subject to RoHS regulations.

Q: Does packaging type affect connector performance?

A: Packaging type (Tray for DF1BZ-8DP-2.5DS and Bulk for DF1B-8DP-2.5DS(01)) does not affect connector electrical or mechanical performance. Packaging selection is determined by procurement, handling, and storage requirements.

Q: Are the mechanical dimensions identical across all three parts?

A: Yes. All three parts maintain identical mechanical dimensions, including pitch spacing (0.098" / 2.50mm), contact lengths, insulation height (0.339" / 8.61mm), and mounting configuration. Full mechanical interchangeability is confirmed.

Q: Which substitute should be selected for new designs?

A: For new designs, either active substitute is appropriate based on voltage requirements. If the application requires 250V rating, DF1B-8DP-2.5DS(01) is the recommended choice. If 150V is sufficient, DF1BZ-8DP-2.5DS offers equivalent functionality with tray packaging.