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R125-449-000 The Radiall R125-449-000 is an SMA square flange plug receptacle with a solder pot contact. It offers a 50 Ohm impedance and operates across a frequency range of 0-18 GHz.
Mfr Part #:

R125-449-000

Available from 1 distributors
Mfr Name: Radiall
Radiall
The Radiall R125-449-000 is an SMA square flange plug receptacle with a solder pot contact. It offers a 50 Ohm impedance and operates across a frequency range of 0-18 GHz.
✓ Total Stock: 5 pcs
$ Price Range: $0.38

R125-449-000 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
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5 pcs
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DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

R125-449-000 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Body Material
Center Contact Material
Center Contact Plating
Dielectric Withstanding Voltage
Frequency
Impedance
Insertion Loss
Insulation Resistance
Insulator Material
Mounting Type
Operating Temperature
Termination Style
Torque
VSWR
Voltage Rating
Weight
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R125-449-000 Description

Short technical summary and product information.

This SMA square flange plug receptacle from Radiall, part number R125-449-000, is designed for high-frequency applications.

 

It features a 50 Ohm impedance and supports a wide operating frequency range from 0 to 18 GHz. The VSWR is rated at a maximum of 1.06 + 0.002*F(GHz), with a maximum insertion loss of 0.07*√F(GHz) dB. The RF leakage is specified at -(60 - F(GHz)) dB maximum.

 

Constructed with a stainless steel body, brass center contact, and PTFE insulator, this connector is built for durability. The center contact is plated with Gold 2.5 over Nickel 2, while the body and outer contact are plated with Gold 0.5 over Nickel 2. It has a solder pot termination style and a square flange mounting type.

 

The operating temperature range is -65 to +165 °C. Mechanical characteristics include a center contact retention force of 27 N·cm minimum and a mating life of 500 cycles minimum. The connector weighs 5.037 g.

R125-449-000 Quick Information

Product Type: SMA Connector
Series: SMA
Canonical Name: Radiall R125-449-000 SMA Square Flange Plug Receptacle with Solder Pot Contact
Subcategory: SMA Connectors

R125-449-000 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

R125-449-000 Estimated Pricing

Qty Low High
1+ $0.38 $0.38

Estimated market price range - modelled values for guidance only, not live distributor offers.

R125-449-000 Features

  • SMA square flange plug receptacle.
  • 50 Ohm impedance, 0-18 GHz frequency.
  • Low insertion loss and RF leakage.
  • Durable stainless steel and brass construction.
  • Solder pot termination for secure connections.

R125-449-000 Applications

  • Ideal for high-frequency RF systems.
  • Suitable for telecommunications equipment.
  • Used in test and measurement devices.
  • Applicable in aerospace and defense.

R125-449-000 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the impedance of the R125-449-000 connector?

The impedance of the R125-449-000 connector is 50 Ohms.

What is the operating frequency range for this SMA connector?

This SMA connector operates from 0 to 18 GHz.

What is the maximum insertion loss of the R125-449-000?

The maximum insertion loss is 0.07*√F(GHz) dB.

What is the operating temperature range?

The operating temperature range is -65 to +165 °C.

What is the mating life of this Radiall connector?

The mating life is a minimum of 500 cycles.

What materials are used for the body and contacts?

The body is stainless steel, the center contact is brass, and the outer contact is stainless steel.

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