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MOLEX 559090474 SlimStack Board-to-Board Connector

The MOLEX 55909-0474 SlimStack Board-to-Board Connector is a compact solution for connecting PCBs in a variety of applications. With a 0.40mm pitch and J-Bend series design, this connector provides a reliable and space-saving connection. It is suitable for applications requiring a plug configuration and offers mated heights of 1.50mm or 1.80mm, and mated widths of 3.40mm or 4.20mm. The connector supports up to 40 circuits and is designed for durability with a 30 mating cycle rating.

Authorized Distributors
Source:DigiKey
Part No:55909-0474
Stock:1410
Inv Date:05-29-2026
Price: Unit price: $2.99
Buy/RFQ:
Part No:55909-0474
Stock:13058
Inv Date:05-30-2026
Price: Unit price: $2.99
Buy/RFQ:
Part No:55909-0474
Stock:0
Inv Date:05-29-2026
Price: Unit price: $2.99
Buy/RFQ:
Part No:55909-0474
Stock:9140
Inv Date:05-29-2026
Price: Unit price: $1.9
Buy/RFQ:
Part No:55909-0474
Stock:9140
Inv Date:05-29-2026
Price: Unit price: $1.9
Buy/RFQ:

MOLEX 559090474 SlimStack Board-to-Board Connector Specifications:

  • circuit_count_loaded: 40
  • circuit_count_maximum: 40
  • color_resin: Black
  • durability_mating_cycles_max: 30
  • first_mate_last_break: No
  • glow_wire_capable: No
  • keying_to_mating_part: None
  • lock_to_mating_part: Yes
  • mated_height: 1.50mm, 1.80mm
  • mated_width: 3.40mm, 4.20mm
  • material_metal: Brass
  • material_plating_mating: Gold
  • material_plating_termination: Gold
  • net_weight: 38.620/mg
  • number_of_rows: 2
  • orientation: Vertical
  • pcb_locator: No
  • pcb_retention: Yes
  • packaging_type: Embossed Tape on Reel
  • pitch_mating_interface: 0.40mm
  • temperature_range_operating: -25° to +85°C
  • termination_interface_style: Surface Mount
  • current_maximum_per_contact: 0.3A
  • voltage_maximum: 50V AC (RMS)/DC
  • elv: Not Relevant
  • rohs: Compliant
  • reach_svhc: Not Contained
  • halogen_free_status: Low-Halogen

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Frequently Asked Questions

Where can I buy MOLEX 559090474?

You can click on the BUY or RFQ button to purchase 559090474 from an authorized MOLEX distributor.

How do I troubleshoot issues or seek technical support for part 559090474?

You can download the 559090474 datasheet or visit the MOLEX website for support.

Who is the manufacturer of 559090474?

MOLEX

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