DF7-4P-3.96DSA(26) Equivalent & Substitute Parts

Part Overview

The DF7-4P-3.96DSA(26) is a rectangular connector header manufactured by Hirose Electric Co Ltd, designed for through-hole mounting with 4 positions at 0.156" (3.96mm) pitch. This connector features shrouded 4-wall construction with male pin contacts and solder termination, suitable for board-to-cable/wire applications.

The DF7-4P-3.96DSA(26) is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production and maintenance requirements for systems utilizing this connector.

Substiute Parts

DF7-4P-3.96DSA(26)

Hirose Electric Co LtdIn Stock: 689DF7-4P-3.96DSA(26) Datasheet

Current PartRFQ

179840-1

TE Connectivity AMP ConnectorsIn Stock: 3050179840-1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the DF7-4P-3.96DSA(26) is determined by the following critical parameters:

• Pitch - Mating: 0.156" (3.96mm) — must match exactly for mechanical and electrical compatibility
• Number of Positions: 4 — connector capacity requirement
• Connector Type: Header — functional role in board-to-cable/wire applications
• Mounting Type: Through Hole — PCB assembly method
• Shrouding: Shrouded - 4 Wall — mechanical protection and keying
• Termination: Solder — connection method to PCB
• Style: Board to Cable/Wire — application context
• Material Flammability Rating: UL94 V-0 — safety compliance

The substitute part 179840-1 (TE Connectivity AMP Connectors) satisfies these core substitution criteria. While secondary parameters such as contact finish, insulation material composition, and operating temperature range differ, these variations remain within acceptable engineering tolerances for equivalent component selection in rectangular connector applications.

Parameter Comparison

Engineering Selection Recommendations

The DF7-4P-3.96DSA(26) is obsolete; the 179840-1 is an active product with current manufacturing support and availability. Both connectors meet UL94 V-0 flammability requirements and maintain REACH compliance. The 179840-1 offers an extended operating temperature range (-30°C ~ 105°C versus -35°C ~ 85°C), providing broader thermal operational capability. Both components carry MSL 1 (Unlimited) moisture sensitivity classification, indicating no special handling requirements during storage or assembly.

Selection of 179840-1 as a substitute is supported by active product status, regulatory compliance alignment, and maintained core electrical and mechanical specifications required for rectangular connector applications at 0.156" (3.96mm) pitch.

Frequently Asked Questions (FAQ)

Q: Can 179840-1 directly replace DF7-4P-3.96DSA(26) in existing designs?

A: The 179840-1 maintains the critical substitution parameters: 0.156" (3.96mm) pitch, 4-position capacity, shrouded 4-wall construction, through-hole mounting, and solder termination. Physical and electrical compatibility is established for board-to-cable/wire applications. The difference in row configuration (2 rows versus 1 row) and contact type (Tab versus Male Pin) requires verification against specific PCB layout and mating connector specifications.

Q: What are the key differences between these connectors?

A: The primary differences are: (1) Product Status — DF7-4P-3.96DSA(26) is obsolete while 179840-1 is active; (2) Number of Rows — 1 row versus 2 rows; (3) Contact Type — Male Pin versus Tab; (4) Contact Finish — Gold versus Tin; (5) Operating Temperature Range — DF7-4P-3.96DSA(26) operates -35°C ~ 85°C while 179840-1 operates -30°C ~ 105°C; (6) Insulation Material — Glass-filled Polyamide versus PA66 Nylon 6/6.

Q: Are there packaging differences?

A: The DF7-4P-3.96DSA(26) packaging is not specified in available data. The 179840-1 is supplied in Tray packaging. Confirm packaging requirements with your procurement or assembly process specifications.

Q: Do both connectors meet the same compliance standards?

A: Both connectors meet UL94 V-0 flammability requirements, maintain REACH Unaffected status, and carry EAR99 ECCN classification. Both are classified as MSL 1 (Unlimited), requiring no special moisture sensitivity handling.

Q: What is the mated stacking height difference?

A: The DF7-4P-3.96DSA(26) specifies a mated stacking height of 21.5mm. The 179840-1 mated stacking height is not provided in available data. Verify stacking height requirements against your application's mechanical constraints.