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5120521-1 TE Connectivity 5120521-1 is a 64 position, 2 row, 1.00mm pitch surface mount board to board receptacle connector. It features gold contact finish and board guide.
Mfr Part #:

5120521-1

Available from 2 distributors
Mfr Name: TE Connectivity
TE Connectivity
TE Connectivity 5120521-1 is a 64 position, 2 row, 1.00mm pitch surface mount board to board receptacle connector. It features gold contact finish and board guide.
Total Stock: 8,564 pcs
$ Price Range: $4.56 - $7.78

5120521-1 Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
8,450 pcs
8450 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
114 pcs
114 pcs On Request 1 On Request On Request On Request On Request On Request

5120521-1 Specifications Quick View

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

5120521-1 Description

Short technical summary and product information.

The TE Connectivity 5120521-1 is a 64 position, 2 row receptacle connector with outer shroud contacts, designed for board-to-board mezzanine stacking applications. It features a 1.00mm pitch and surface mount mounting, enabling compact and high-density interconnects.

 

The connector supports mated stacking heights of 8mm, 9mm, and 10mm, providing flexibility in system design. Contacts are finished with 30.0µin (0.76µm) gold for reliable signal integrity and durability. The component includes a board guide feature to assist alignment during assembly.

 

This connector is suitable for use in telecommunications, networking, industrial control, and other electronic systems requiring dense, reliable board-to-board connections. Its surface mount design facilitates automated assembly processes.

5120521-1 Quick Information

Product Type: Board to Board Receptacle Connector
Canonical Name: Receptacle, Outer Shroud Contacts, 64 Position, 2 Row, 1.00mm Pitch, Surface Mount, Gold
Subcategory: Mezzanine (Board to Board)

5120521-1 Compliance

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

5120521-1 Estimated Pricing

Qty Low High
1+ $7.78 $7.78
10+ $6.62 $6.62
25+ $6.20 $6.20
50+ $5.90 $5.90
100+ $5.62 $5.62
250+ $5.34 $5.34
650+ $4.93 $4.93
1,300+ $4.69 $4.69
1,950+ $4.56 $4.56

Estimated market price range - modelled values for guidance only, not live distributor offers.

5120521-1 Features

  • 64 position, 2 row connector.
  • 1.00mm pitch for compact designs.
  • Surface mount mounting type.
  • Gold contact finish, 30µin thick.
  • Supports 8mm, 9mm, 10mm stacking heights.

5120521-1 Applications

  • Used in mezzanine board-to-board stacking.
  • Ideal for compact electronic assemblies.
  • Suitable for high-density interconnect applications.
  • Common in telecommunications equipment.
  • Used in industrial control systems.

5120521-1 FAQs

7 frequently asked questions generated from this part’s specifications.
How many positions does the 5120521-1 have?

64 positions.

What is the pitch of the 5120521-1?

1.00mm (0.039").

What is the mounting type?

Surface Mount.

How many rows does it have?

2 rows.

What is the contact finish?

Gold, 30.0µin (0.76µm).

What stacking heights does it support?

8mm, 9mm, 10mm.

Does it have any features?

Board guide.

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