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DF40HC(4.0)-40DS-0.4V(70) Hirose DF40 series 40-position receptacle connector with 0.4mm pitch, surface mount, gold contact finish. Suitable for board-to-board mezzanine stacking with 4mm height.
Mfr Part #:

DF40HC(4.0)-40DS-0.4V(70)

Available from 1 distributors
Mfr Name: Hirose Electric
Hirose Electric
Hirose DF40 series 40-position receptacle connector with 0.4mm pitch, surface mount, gold contact finish. Suitable for board-to-board mezzanine stacking with 4mm height.
Total Stock: 1,000 pcs

DF40HC(4.0)-40DS-0.4V(70) Available from 1 distributor

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Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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1,000 pcs
1000 pcs On Request 1 On Request On Request On Request On Request On Request

DF40HC(4.0)-40DS-0.4V(70) Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connector Type
Contact Finish
Contact Finish Thickness
Failure Rate
Height Above Board
Mated Stacking Heights
Mounting Type
Number of Positions
Number of Rows
Package Type
Pitch

DF40HC(4.0)-40DS-0.4V(70) Description

Short technical summary and product information.

The DF40HC(4.0)-40DS-0.4V(70) is a 40-position, 2-row, 0.4mm pitch mezzanine connector from Hirose's DF40 series. It features a surface mount design with gold-plated contacts (0.051µm thickness) and a center strip contact arrangement. The connector has a height above board of 3.9mm and supports a mated stacking height of 4mm.

 

This receptacle is designed for high-density board-to-board connections in compact electronic devices. The 0.4mm pitch allows for significant space savings compared to traditional connectors. The gold contact finish ensures reliable signal integrity and corrosion resistance.

 

The connector is RoHS3 and REACH compliant, with an MSL rating of 1 (unlimited). It is available in tape and reel packaging for automated assembly. Typical applications include mezzanine stacking in portable electronics, wearables, and other devices where PCB real estate is at a premium.

DF40HC(4.0)-40DS-0.4V(70) Quick Information

Product Type: Board-to-Board Receptacle Connector
Series: DF40
Canonical Name: Hirose DF40 Series 40-Position Receptacle, 0.4mm Pitch, SMD, Gold
Subcategory: Mezzanine (Board to Board)

DF40HC(4.0)-40DS-0.4V(70) Compliance

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

DF40HC(4.0)-40DS-0.4V(70) Features

  • 40 positions with 2 rows for high-density connections.
  • 0.4mm pitch for compact board-to-board design.
  • Gold contact finish with 0.051µm thickness for reliable conductivity.
  • Surface mount mounting for automated assembly.
  • 4mm mated stacking height for mezzanine applications.

DF40HC(4.0)-40DS-0.4V(70) Applications

  • Ideal for high-density board-to-board interconnections.
  • Suitable for portable electronics and compact devices.
  • Used in stacking multiple PCB assemblies.
  • Perfect for space-constrained mezzanine designs.

DF40HC(4.0)-40DS-0.4V(70) FAQs

7 frequently asked questions generated from this part’s specifications.
How many positions does this connector have?

40 positions.

What is the pitch of this connector?

0.4mm.

What is the mounting type?

Surface mount.

How many rows does this connector have?

2 rows.

What is the contact finish?

Gold with 0.051µm thickness.

What is the mated stacking height?

4mm.

What series is this connector part of?

Hirose DF40 series.

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