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TE Connectivity AMP Connectors 5120521-1 — Mezzanine & Stacking Connectors

TE Connectivity 5120521-1 Free Height Receptacle, 64 Pos

MPN5120521-1
Active

TE Connectivity Free Height (FH) IEEE 1386, PMC receptacle, 5120521-1, 64 positions, 2 rows, 0.039" (1.00mm) pitch, SMT, gold 30.0µin contacts, 5.38mm board height.

$4.5135Ref. price · indicative, final on quote
RoHSROHS3 Compliant
SeriesFree Height (FH) IEEE 1386, PMC
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

5120521-1 specifications
ParameterValue
SeriesFree Height (FH) IEEE 1386, PMC
MountingSurface Mount
Connector typeReceptacle, Outer Shroud Contacts
Height above board0.212\" (5.38mm)
Mated stacking heights8mm, 9mm, 10mm
Pitch0.039\" (1.00mm)
PackageTape & Reel (TR) Cut Tape (CT)
FeaturesBoard Guide
Contact finishGold
Rows2
Positions64
Contact finish thickness30.0µin (0.76µm)

Product details

The SMT termination and integrated board guide simplify pick-and-place assembly, while the 5.38 mm board height supports mated stacking heights of 8 mm, 9 mm, or 10 mm when paired with the matching plug.

When mated with the corresponding Free Height plug, the assembly achieves a stack height of 8 mm, 9 mm, or 10 mm — the exact height depends on the plug variant selected.

Gold Plating and Contact Reliability

The outer shroud contacts provide mechanical alignment before the signal pins engage, reducing the risk of stubbing or bending during blind mating.

Frequently asked questions

What is the height above board for the 5120521-1?

The board height is 0.212" (5.38mm), and when mated with the corresponding plug it supports stack heights of 8 mm, 9 mm, or 10 mm.