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DF17A(4.0)-40DS-0.5V(57) This is a 40-position, 0.5mm pitch receptacle connector from Hirose's DF17A series. It features surface mount termination, gold contacts, and a board guide for reliable mating.
Mfr Part #:

DF17A(4.0)-40DS-0.5V(57)

Available from 1 distributors
Mfr Name: Hirose Electric
Hirose Electric
This is a 40-position, 0.5mm pitch receptacle connector from Hirose's DF17A series. It features surface mount termination, gold contacts, and a board guide for reliable mating.
✓ Total Stock: 3,000 pcs

DF17A(4.0)-40DS-0.5V(57) Available from 1 distributor

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✓ Non-Authorised
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3,000 pcs
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3000 pcs On Request 1 On Request On Request On Request On Request On Request
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DF17A(4.0)-40DS-0.5V(57) Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connector Type
Contact Finish
Features
Height Above Board
Mated Stacking Heights
Mounting Type
Number of Positions
Number of Rows
Pitch
Termination Style
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DF17A(4.0)-40DS-0.5V(57) Description

Short technical summary and product information.

The DF17A(4.0)-40DS-0.5V(57) is a board-to-board mezzanine receptacle connector from Hirose Electric. It has 40 contacts arranged in 2 rows with a 0.5mm pitch, making it suitable for high-density connections.

 

The connector features gold-plated contacts for reliable conductivity, a height above board of 0.177 inches (4.50mm), and supports mated stacking heights of 6mm, 6.5mm, and 8mm. The surface mount design allows for automated assembly.

 

Design features include a board guide for proper alignment during mating. The connector is RoHS3 compliant and has an MSL of 1. It is packaged in tape and reel for high-volume production.

DF17A(4.0)-40DS-0.5V(57) Quick Information

Product Type: Board-to-Board Mezzanine Connector
Series: DF17A
Canonical Name: Hirose DF17A Series 40-Position Receptacle, Center Strip Contacts, 0.5mm Pitch, Surface Mount
Subcategory: Mezzanine Connector

DF17A(4.0)-40DS-0.5V(57) Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

DF17A(4.0)-40DS-0.5V(57) Features

  • 40 positions in 2 rows for dense connections.
  • 0.5mm pitch for high-density board-to-board design.
  • Gold contact finish ensures reliable conductivity.
  • Surface mount termination for automated assembly.
  • Board guide for proper mating alignment.

DF17A(4.0)-40DS-0.5V(57) Applications

  • Board-to-board stacking in compact electronics.
  • Mezzanine connections in servers and routers.
  • Portable device internal interconnects.

DF17A(4.0)-40DS-0.5V(57) FAQs

5 frequently asked questions generated from this part’s specifications.
What is the number of positions?

This connector has 40 positions.

What is the pitch?

The pitch is 0.50mm (0.020 inches).

What is the mounting type?

The connector is surface mount (SMD).

What is the contact finish?

The contacts are finished with gold.

What stacking heights does this connector support?

It supports mated stacking heights of 6mm, 6.5mm, and 8mm.

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