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MOLEX / WALDOM 559090774 SlimStack Board-to-Board Connector

The MOLEX / WALDOM 55909-0774 SlimStack connector is a compact board-to-board solution designed for applications where space is at a premium. With a 0.40mm pitch and a vertical stacking height of 1.50mm, it enables efficient and reliable connections between PCBs. The connector features a dual-row design and 70 circuits, making it suitable for a variety of signal transmission needs. Its surface mount capability simplifies integration into PCB designs. It is commonly used in consumer electronics, industrial equipment, and other applications requiring high-density interconnects.

Authorized Distributors
Source:Newark
Part No:55909-0774
Stock:80000
Inv Date:06-17-2026
Price: Unit price: $3.73
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Part No:55909-0774
Stock:0
Inv Date:06-18-2026
Price: Unit price: $3.36
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Part No:55909-0774
Stock:0
Inv Date:06-17-2026
Price: Unit price: $3.95
Buy/RFQ:
Part No:55909-0774
Stock:80000
Inv Date:06-17-2026
Price: Unit price: $3.51
Buy/RFQ:
Part No:55909-0774
Stock:80000
Inv Date:06-17-2026
Price: Unit price: $3.51
Buy/RFQ:

MOLEX / WALDOM 559090774 SlimStack Board-to-Board Connector Specifications:

  • Pitch - Mating Interface: 0.40mm
  • Stackable: No
  • Mated Height: 1.50mm
  • Number of Rows: 2
  • Orientation: Vertical
  • Circuits (Loaded): 70
  • Circuits (maximum): 70
  • Material - Plating Mating: Gold
  • Material - Plating Termination: Gold
  • Material - Metal: Brass
  • Current - Maximum per Contact: 0.3A
  • Voltage - Maximum: 50V AC (RMS)/DC
  • Temperature Range - Operating: -25°C to +85°C
  • Termination Interface: Style: Surface Mount
  • Durability (mating cycles max): 30
  • Net Weight: 61.090/mg
  • PCB Locator: No
  • PCB Retention: Yes
  • Packaging Type: Embossed Tape on Reel
  • First Mate / Last Break: No
  • Glow-Wire Compliant: No
  • Keying to Mating Part: None
  • Lock to Mating Part: Yes

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Frequently Asked Questions

Where can I buy MOLEX / WALDOM 559090774?

You can click on the BUY or RFQ button to purchase 559090774 from an authorized MOLEX / WALDOM distributor.

How do I troubleshoot issues or seek technical support for part 559090774?

You can download the 559090774 datasheet or visit the MOLEX / WALDOM website for support.

Who is the manufacturer of 559090774?

MOLEX / WALDOM

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