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MOLEX / WALDOM 874271843 Mini-Fit Jr. Header

The MOLEX 87427-1843 Mini-Fit Jr. header is a robust solution for power and wire-to-board connections in various industrial applications. This header features 18 circuits and a vertical design, making it suitable for space-constrained environments. Constructed with a brass body, tin plating on both mating and termination interfaces, and a durable nylon resin, it ensures reliable performance and longevity. It is designed to mate with the 5557 Mini-Fit Jr. receptacle housing and supports a maximum current of 13A per circuit when properly terminated. The header is also compliant with various industry standards, including CSA and UL, and is designed for a wide operating temperature range of -40°C to +105°C.

Authorized Distributors
Source:Newark
Part No:87427-1843
Stock:519
Inv Date:06-17-2026
Price: Unit price: $2.32
Buy/RFQ:
Source:DigiKey
Part No:874271843
Stock:519
Inv Date:06-17-2026
Price: Unit price: $1.36
Buy/RFQ:
Part No:87427-1843
Stock:0
Inv Date:06-18-2026
Price: N/A
Buy/RFQ:
Part No:87427-1843
Stock:0
Inv Date:06-17-2026
Price: Unit price: $2.9
Buy/RFQ:
Part No:87427-1843
Stock:519
Inv Date:06-17-2026
Price: Unit price: $1.33
Buy/RFQ:
Part No:87427-1843
Stock:519
Inv Date:06-17-2026
Price: Unit price: $1.33
Buy/RFQ:

MOLEX / WALDOM 874271843 Mini-Fit Jr. Header Specifications:

  • overview: Mini-Fit Jr.™
  • application: Power, Wire-to-Board
  • comments: Current = 13A max. per circuit when header is mated to a receptacle loaded with 45750 Mini-Fit® Plus HCS Crimp Terminal Crimped to 16 AWG wire.
  • circuits_loaded: 18
  • circuits_maximum: 18
  • color_resin: Beige
  • durability_mating_cycles: 30
  • first_mate_last_break: No
  • flammability: 94V-0
  • glow_wire_compliant: No
  • lock_to_mating_part: Yes
  • material_metal: Brass
  • material_plating_mating: Tin
  • material_plating_termination: Tin
  • material_resin: Nylon
  • net_weight_g: 6.091
  • number_of_rows: 2
  • orientation: Vertical
  • pc_tail_length_mm: 3.30
  • pcb_locator: No
  • pcb_retention: None
  • pcb_thickness_recommended_mm: 1.60
  • packaging_type: Tray
  • pitch_mating_interface_mm: 4.20
  • pitch_termination_interface_mm: 4.20
  • plating_min_mating_um: 5.080
  • plating_min_termination_um: 5.080
  • polarized_to_mating_part: Yes
  • polarized_to_pcb: No
  • shrouded: Fully
  • current_max_per_contact_a: 13
  • voltage_max_v: 600
  • duration_at_max_temp_seconds: 30
  • lead_free_process_capability: SMC & Wave Capable (TH only)
  • max_cycles_at_max_temp: 1
  • process_temp_max_c: 240
  • operating_temperature_range_c: -40°C to +105°C
  • termination_interface_style: Through Hole

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Frequently Asked Questions

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You can download the 874271843 datasheet or visit the MOLEX / WALDOM website for support.

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MOLEX / WALDOM

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