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MOLEX 430451021 Micro-Fit 3.0 Header

The MOLEX 43045-1021 is a Micro-Fit 3.0 right-angle header, part of the 43045 series. This header is designed for power and wire-to-board applications, offering a robust and reliable connection. It features 10 circuits arranged in a dual-row configuration, with a 3.00mm pitch. The header incorporates a PCB press-fit metal retention clip for secure mounting and utilizes tin plating for enhanced solderability. It is glow-wire capable, meeting IEC 60335-1 safety standards, and is suitable for applications requiring high-temperature resistance. Customers should perform their own suitability testing to ensure proper performance in their specific application.

Authorized Distributors
Source:Newark
Part No:43045-1021
Stock:4
Inv Date:05-29-2026
Price: Unit price: $3.44
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Part No:43045-1021
Stock:1786
Inv Date:05-30-2026
Price: Unit price: $3.52
Buy/RFQ:
Part No:43045-1021
Stock:0
Inv Date:05-29-2026
Price: Unit price: $3.52
Buy/RFQ:
Part No:43045-1021
Stock:3154
Inv Date:05-29-2026
Price: Unit price: $1.82
Buy/RFQ:
Part No:43045-1021
Stock:3154
Inv Date:05-29-2026
Price: Unit price: $1.82
Buy/RFQ:

MOLEX 430451021 Micro-Fit 3.0 Header Specifications:

  • product_family: Micro-Fit 3.0 Connector System
  • application: Power, Wire-to-Board
  • number_of_circuits_loaded: 10
  • number_of_circuits_maximum: 10
  • color_resin: Black
  • durability_mating_cycles_max: 30
  • flammability: 94V-0
  • glow_wire_capable: Yes
  • mated_height: 10.06mm
  • material_metal: Brass
  • material_plating_mating: Tin
  • material_plating_termination: Tin
  • material_resin: High Temperature Thermoplastic
  • net_weight: 1.759/g
  • number_of_rows: 2
  • orientation: Right Angle
  • pcb_locator: Yes
  • pcb_retention: Yes
  • pcb_thickness_recommended: 1.60mm
  • pitch_mating_interface: 3.00mm
  • plating_min_mating: 0.254µm
  • polarized_to_pcb: Yes
  • shrouded: Fully Stackable
  • surface_mount_compatible: Yes
  • temperature_range_operating: -40° to +105°C
  • termination_interface_style: Through Hole
  • current_max_per_contact: 8.5A
  • voltage_max: 600V
  • duration_at_max_process_temp_seconds: 030
  • lead_free_process_capability: SMC&WAVE
  • max_cycles_at_max_process_temp: 003
  • process_temperature_max_celsius: 260
  • gwit: >= 775 deg C
  • gwfi: > 850 deg C

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Frequently Asked Questions

Where can I buy MOLEX 430451021?

You can click on the BUY or RFQ button to purchase 430451021 from an authorized MOLEX distributor.

How do I troubleshoot issues or seek technical support for part 430451021?

You can download the 430451021 datasheet or visit the MOLEX website for support.

Who is the manufacturer of 430451021?

MOLEX

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