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AMPHENOL RF 903413J51A SMB Connector

Amphenol's SMB connectors are designed for a wide range of applications, including process controls, antennas, radio boards, automotive GPS systems, base stations, telecom, cable assemblies, test and measurement, and instrumentation. These connectors conform to MIL-C-39012 and MIL-STD-348 standards, providing reliable performance with broadband capability up to 4 GHz. The snap-on coupling design allows for quick connect/disconnect, reducing installation time, while various plating options ensure corrosion resistance and good solderability. Available in 50 & 75 ohm impedance, SMB connectors offer a low-cost solution combined with high quality.

Authorized Distributors
Source:Newark
Part No:903-413J-51A
Stock:8
Inv Date:05-28-2026
Price: Unit price: $30.29
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Source:DigiKey
Part No:903-413J-51A
Stock:76
Inv Date:05-28-2026
Price: Unit price: $32.64
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Part No:903-413J-51A
Stock:71
Inv Date:05-29-2026
Price: Unit price: $31.01
Buy/RFQ:
Part No:903-413J-51A
Stock:22
Inv Date:05-28-2026
Price: Unit price: $11.84
Buy/RFQ:
Part No:903-413J-51A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $28.3
Buy/RFQ:
Part No:903-413J-51A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $28.3
Buy/RFQ:

AMPHENOL RF 903413J51A SMB Connector Specifications:

  • Impedance: 50 ohms
  • Frequency Range: 0-4 GHz
  • Temperature Range: -65°C to +165°C
  • Voltage Rating: 335 volts (Sea Level)
  • VSWR: 1.30 + .04 f (GHz)
  • Contact Resistance: Center contact: initial 6.0 milliohms; After environmental 8.0 milliohms
  • Connector Durability: 500 mating and unmating cycles min.
  • Dielectric Withstanding Voltage: 750 VRMS
  • Corrosion Resistance: MIL-STD-202 method
  • Material: Bodies: Brass or Zinc; Outer Contact: Nickel or Gold plated; Center Contacts: Beryllium Copper or Brass

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Frequently Asked Questions

Where can I buy AMPHENOL RF 903413J51A?

You can click on the BUY or RFQ button to purchase 903413J51A from an authorized AMPHENOL RF distributor.

How do I troubleshoot issues or seek technical support for part 903413J51A?

You can download the 903413J51A datasheet or visit the AMPHENOL RF website for support.

Who is the manufacturer of 903413J51A?

AMPHENOL RF

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