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MOLEX / WALDOM 22053121 KK 254 Solid Header

The MOLEX / WALDOM 22-05-3121 is a KK 254 Solid Header, part of the 7478 series, designed for robust wire-to-board interconnects. This right-angle header offers 12 circuits and utilizes a friction lock mechanism for secure mating. Constructed with a brass body, tin plating for both mating and termination interfaces, and a nylon resin, it provides excellent durability and performance in various industrial applications. It is RoHS compliant and suitable for applications requiring a polarized and shrouded connector with partial stackability.

Authorized Distributors
Source:Newark
Part No:22-05-3121
Stock:241
Inv Date:06-17-2026
Price: Unit price: $0.926
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Part No:22-05-3121
Stock:1
Inv Date:06-18-2026
Price: Unit price: $1
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Part No:22-05-3121
Stock:0
Inv Date:06-17-2026
Price: Unit price: $0.89
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Part No:22-05-3121
Stock:180
Inv Date:06-17-2026
Price: Unit price: $0.8752
Buy/RFQ:
Part No:22-05-3121
Stock:180
Inv Date:06-17-2026
Price: Unit price: $0.8752
Buy/RFQ:

MOLEX / WALDOM 22053121 KK 254 Solid Header Specifications:

  • circuits_loaded: 12
  • circuits_maximum: 12
  • color_resin: Natural (White)
  • durability_mating_cycles: 25
  • flammability: 94V-0
  • glow_wire_compliant: No
  • lock_to_mating_part: Yes
  • material_metal: Brass
  • material_plating_mating: Tin (Sn)
  • material_plating_termination: Tin (Sn)
  • material_resin: Nylon
  • net_weight_g: 1.600
  • number_of_rows: 1
  • orientation: Right Angle
  • pc_tail_length_mm: 3.58
  • pcb_locator: No
  • pcb_retention: None
  • pcb_thickness_recommended_mm: 1.60
  • packaging_type: Bag
  • pitch_mating_interface_mm: 2.54
  • pitch_termination_interface_mm: 2.54
  • plating_min_mating_um: 5.080
  • plating_min_termination_um: 5.080
  • polarized_to_mating_part: Yes
  • polarized_to_pcb: Yes
  • shrouded: Partial
  • stackable: Yes
  • temperature_range_operating: See Product Specification
  • termination_interface_style: Through Hole
  • current_maximum_per_contact_a: 4.0
  • voltage_maximum_v: 500
  • lead_free_process_capability_wave_cycles: 001
  • process_temperature_max_c: 235
  • engineering_number: A-7478-12A222

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Frequently Asked Questions

Where can I buy MOLEX / WALDOM 22053121?

You can click on the BUY or RFQ button to purchase 22053121 from an authorized MOLEX / WALDOM distributor.

How do I troubleshoot issues or seek technical support for part 22053121?

You can download the 22053121 datasheet or visit the MOLEX / WALDOM website for support.

Who is the manufacturer of 22053121?

MOLEX / WALDOM

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