DF13-3P-1.25DSA Equivalent & Substitute Parts

Part Overview

The DF13-3P-1.25DSA is a rectangular connector header manufactured by Hirose Electric Co Ltd, designed for through-hole mounting in board-to-cable/wire applications. This 3-position connector operates at 1.25mm pitch with a 1A current rating and 150V voltage rating. The original part (DF13-3P-1.25DSA(76)) carries an obsolete product status, necessitating identification of active equivalent components that maintain electrical and mechanical compatibility for continued system support and new production builds.

Substiute Parts

DF13-3P-1.25DSA(76)

Hirose Electric Co LtdIn Stock: 1171DF13-3P-1.25DSA(76) Datasheet

Current PartRFQ

DF13-3P-1.25DSA(55)

Hirose Electric Co LtdIn Stock: 1237DF13-3P-1.25DSA(55) Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DF13-3P-1.25DSA(76) is based on strict equivalence of the following critical parameters:

• Connector pitch: 0.049" (1.25mm)
• Number of positions: 3
• Contact type: Male pin header
• Mounting method: Through hole solder termination
• Shrouding configuration: Shrouded - 4 wall
• Electrical ratings: 1A current, 150V voltage
• Operating temperature range: -35°C ~ 85°C
• Flammability compliance: UL94 V-0
• RoHS compliance status

The DF13-3P-1.25DSA(55) qualifies as a direct substitute, maintaining all critical electrical and mechanical parameters while offering active product status and improved availability.

Parameter Comparison

Engineering Selection Recommendations

The DF13-3P-1.25DSA(55) is the manufacturer-recommended substitute for the obsolete DF13-3P-1.25DSA(76). Both components maintain identical electrical specifications, mechanical dimensions, and compliance certifications. The primary distinction is product status: the substitute carries active production status with confirmed inventory availability (1154 pcs), whereas the original part is obsolete.

The contact finish on the post differs between the two variants (gold versus tin), though both maintain the same gold mating surface finish. Both components satisfy RoHS compliance requirements and carry UL94 V-0 flammability certification, supporting use in equivalent regulatory environments.

Frequently Asked Questions (FAQ)

Q: Are the DF13-3P-1.25DSA(76) and DF13-3P-1.25DSA(55) mechanically interchangeable?

A: Yes. Both connectors share identical pitch (1.25mm), position count (3), mounting method (through-hole), shrouding configuration (4-wall), and physical dimensions including contact length and insulation height.

Q: What is the difference between the two part numbers?

A: The primary difference is product status and contact post finish. The DF13-3P-1.25DSA(76) is obsolete with gold post finish, while the DF13-3P-1.25DSA(55) is active production with tin post finish. Both maintain gold mating surface finish and identical electrical ratings.

Q: Can I use the DF13-3P-1.25DSA(55) in new designs?

A: Yes. The substitute part carries active product status and meets all electrical, mechanical, and compliance requirements equivalent to the original specification.

Q: Are there any compatibility concerns with existing mating connectors?

A: No. The 1.25mm pitch, 3-position configuration, and shrouded 4-wall design remain constant between both variants, ensuring compatibility with existing mating connectors designed for the DF13 series.

Q: What is the current rating for each contact?

A: Both parts support 1A per contact at 150V maximum voltage rating across the operating temperature range of -35°C to 85°C.