help desk software
031-5557-RFX by amphenol rf
Image is representational - see mfr. specs

031-5557-RFX

Amphenol RF

RF Connector BNC Straight Crimp Plug for RG-58 50 Ohm ...

Datasheet
RoHS Compliant
BAG Packaging
Accessories
This product is backed by Electro Sonic' Certificate of Compliance Guarantee. Rest assured you will receive the Manufacturer's Certificate of Compliance with your order. Certificate of Compliance Guarantee

DESCRIPTION

The 031-5557-RFX is a BNC straight crimp plug designed for cable group C with press-fit contact termination and commercial-grade specifications. The connector features a nickel-plated brass body with gold-plated contact, providing excellent corrosion resistance and reliable RF performance. It is rated for 50 O impedance with usable performance up to 11 GHz and typically yields low reflection through 4 GHz, making it suitable for miniature to subminiature coaxial cable termination (RG-58, RG-59, RG-179, RG-316, etc.). The press-fit contact design enables field-serviceable termination without soldering, while the bayonet coupling mechanism allows quick connect/disconnect with only a quarter turn. This connector is ideal for RF applications requiring reliable, repeatable connections in test equipment, instrumentation, and communication systems.

Search Keywords: 0315557RFX

SPECIFICATIONS

Product Attribute
Attribute Value
Select Attribute
Products found: 0
Supplier:
Amphenol RF
Part No:
031-5557-RFX
Alias/AKA:
31-5557-RFX
Unit of Measure:
Per Each
RoHS:
Yes
HTS:
8536694010
COO:
CN
ECCN:
EAR99
Supplier Standard Pack: This information is provided for customers who prefer to buy in multiples of the Manufacturer’s Standard Package quantity. Minimum Order Quantities and Required Order Multiples are presented with our price and availability information.
1
Package Type:
BAG
Type:
BNC
Impedance:
50 Ohm
Operating Frequency:
0 to 4 Hz to GHz
Gender:
Plug
Mounting:
Cable Mount
Body Orientation:
Straight
Terminate To:
Coaxial Cable
Termination Method:
PRESS FIT
Operating Temperature:
-65 to 165 °C
Dimension:
N/A

IN STOCK: 155

Ships today, if you order in

Manufacturer Stock: 398   can ship 5/25/26

Minimum Order Quantity: 5

Factory Lead-Time 13 Weeks can ship 8/13/26  

Price (USD)

Qty
Unit Price
5
$6.05
25
$5.55
100
$5.13
250
$4.73
500
$4.27
1,000
$4.08
2,500
$3.81
5,000 +
$3.74
Log in for special pricing Click for Quote Price Match Request

Tools/3D Models

Product Guides