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Phoenix Contact 1790551 PCB Connector

The PHOENIX CONTACT DFMC 1,5/9-ST-3,5-LR is a versatile printed-circuit board connector suitable for a wide range of industrial applications. Its spring-cage connection ensures fast and reliable conductor connections, while the lock and release levers provide secure plug-to-header engagement and easy disconnection. The ultra-flat design minimizes height requirements, making it ideal for space-constrained environments. This connector is compatible with very flat DMC headers and supports conductor cross-sections up to 1.5 mm², making it a robust and adaptable solution for various electronic assemblies.

Authorized Distributors
Source:Newark
Part No:1790551
Stock:61
Inv Date:05-28-2026
Price: Unit price: $23.76
Buy/RFQ:
Source:DigiKey
Part No:1790551
Stock:6
Inv Date:05-28-2026
Price: Unit price: $14.94
Buy/RFQ:
Part No:1790551
Stock:103
Inv Date:05-29-2026
Price: Unit price: $14.93
Buy/RFQ:
Part No:1790551
Stock:36
Inv Date:05-28-2026
Price: Unit price: $25.09
Buy/RFQ:
Part No:1790551
Stock:50
Inv Date:05-28-2026
Price: Unit price: $11.59
Buy/RFQ:
Part No:1790551
Stock:50
Inv Date:05-28-2026
Price: Unit price: $11.59
Buy/RFQ:

Phoenix Contact 1790551 PCB Connector Specifications:

  • Nominal current: 8 A
  • Rated voltage (III/2): 160 V
  • Number of positions: 9
  • Pitch: 3.5 mm
  • Connection method: spring-cage connection
  • Contact surface: tin
  • Conductor cross section solid min.: 0.2 mm²
  • Conductor cross section solid max.: 1.5 mm²
  • Conductor cross section flexible min.: 0.2 mm²
  • Conductor cross section flexible max.: 1.5 mm²
  • Flammability rating according to UL 94: V0
  • Insulating material: PA
  • Packing unit: 1 pc
  • Weight per Piece (excluding packing): 10.4 g
  • Custom tariff number: 85366990
  • Country of origin: Germany
  • Length: 27.75 mm
  • Height: 13.25 mm
  • Width: 38.5 mm
  • Dimension a: 28 mm
  • Insulating material group: I
  • Rated surge voltage (III/3): 2.5 kV
  • Rated surge voltage (III/2): 2.5 kV
  • Rated surge voltage (II/2): 2.5 kV
  • Rated voltage (III/3): 160 V
  • Rated voltage (II/2): 250 V
  • Maximum load current: 8 A
  • Nominal cross section: 1.5 mm²
  • Stripping length: 10 mm

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Frequently Asked Questions

Where can I buy Phoenix Contact 1790551?

You can click on the BUY or RFQ button to purchase 1790551 from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part 1790551?

You can download the 1790551 datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of 1790551?

Phoenix Contact

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