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Hirose Electric Co Ltd DF40HB(4.0)-50DS-0.4V(51) — Board-to-Board Connectors

DF40HB(4.0)-50DS-0.4V(51) Hirose DF40 0.40mm Pitch 50-Pin

MPNDF40HB(4.0)-50DS-0.4V(51)
Active

Hirose DF40 series, receptacle, center strip contacts, 50 positions, 0.016" (0.40mm) pitch, 2 rows, gold finish, 4mm mated stack height, solder retention, surface mount, tape and reel packaging.

$1.5500Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

DF40HB(4.0)-50DS-0.4V(51) specifications
ParameterValue
SeriesDF40
MountingSurface Mount
Connector typeReceptacle, Center Strip Contacts
Height above board0.154\" (3.90mm)
Mated stacking heights4mm
Pitch0.016\" (0.40mm)
PackageTape & Reel (TR) Cut Tape (CT)
FeaturesSolder Retention
Contact finishGold
Rows2
Positions50
Contact finish thickness2.00µin (0.051µm)

Product details

0.40mm pitch, 50 positions, 4mm stack — the mezzanine gap is fixed

The DF40HB(4.0)-50DS-0.4V(51): This is a 50-position, 2-row receptacle from the Hirose DF40 series, pitched at 0.016" (0.40mm) and designed for a 4mm mated stack height.

Frequently asked questions

What is the mated stack height of DF40HB(4.0)-50DS-0.4V(51)?

The mated stack height is 4mm.

Does DF40HB(4.0)-50DS-0.4V(51) have a solder retention feature?

Yes, solder retention is listed as a feature. It helps anchor the connector during reflow and provides mechanical resistance to shear forces from the mating half.

Is DF40HB(4.0)-50DS-0.4V(51) RoHS compliant?

RoHS compliance is standard for Hirose DF40 series connectors. The product is lead-free and RoHS compliant per Hirose's material declarations.