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MOLEX / WALDOM 550910774 SlimStack Board-to-Board Connector

The MOLEX / WALDOM 55091-0774 SlimStack connector is a compact board-to-board solution designed for applications requiring a 0.635mm pitch. Its dual-row, vertical stacking configuration allows for efficient space utilization in densely populated circuit boards. The connector is engineered for robotic placement, enhancing manufacturing efficiency. It is commonly used in applications where a secure and reliable board-to-board connection is needed, such as in consumer electronics, industrial equipment, and telecommunications infrastructure. The connector's robust design and gold-plated contacts ensure excellent signal integrity and long-term reliability.

Authorized Distributors
Source:Newark
Part No:55091-0774
Stock:34651
Inv Date:06-16-2026
Price: Unit price: $3.64
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Part No:55091-0774
Stock:137
Inv Date:06-17-2026
Price: Unit price: $5.11
Buy/RFQ:
Part No:55091-0774
Stock:0
Inv Date:06-17-2026
Price: Unit price: $6.88
Buy/RFQ:
Part No:55091-0774
Stock:34651
Inv Date:06-17-2026
Price: Unit price: $3.49
Buy/RFQ:
Part No:55091-0774
Stock:34651
Inv Date:06-17-2026
Price: Unit price: $3.49
Buy/RFQ:

MOLEX / WALDOM 550910774 SlimStack Board-to-Board Connector Specifications:

  • Series: 55091
  • Pitch - Mating Interface: 0.64mm
  • Stacking Height: 6.00mm, 12.00mm
  • Number of Circuits: 70
  • Mating Material - Plating: Gold
  • Termination Material - Plating: Tin
  • Durability (mating cycles max): 50
  • Flammability: 94V-0
  • Current - Maximum per Contact: 0.5A
  • Voltage - Maximum: 100V
  • Material - Metal: Copper Alloy
  • Operating Temperature Range: -55°C to +85°C
  • Net Weight: 699.511/mg
  • PCB Locator: Yes
  • PCB Retention: Yes
  • Polarized to PCB: Yes
  • Robotic Placement: Yes
  • Stackable: Yes
  • Mated Height: 12.00mm, 6.00mm
  • Number of Rows: 2
  • Orientation: Vertical
  • Termination Interface: Style: Surface Mount

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Frequently Asked Questions

Where can I buy MOLEX / WALDOM 550910774?

You can click on the BUY or RFQ button to purchase 550910774 from an authorized MOLEX / WALDOM distributor.

How do I troubleshoot issues or seek technical support for part 550910774?

You can download the 550910774 datasheet or visit the MOLEX / WALDOM website for support.

Who is the manufacturer of 550910774?

MOLEX / WALDOM

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