Screw Terminals

A screw terminal is an electrical connector made from plated brass that enables wires to be connected directly to a PCB and consists of a metal frame and a screw. The screw terminal is secured to the PCB using mounting legs which are snapped into holes on the PCB and soldered into place. Pre-stripped wire is wrapped under the head of the screw and the screw is tightened down using a screwdriver making a secure electrical connection between the wire and the metal frame. Wires that are terminated with connectors such as spade or ring terminals are pushed into place over the screw. Screw terminals are available with a right angle or vertical mounting body orientation, different body platings and to suit a wide range of current ratings
Some screw terminals feature colour coded screws for ease of identification and to aid trouble shooting.


Benefits of Screw Terminals


• Simple to use and easy to snap into place. Only basic hand tools required
• Allow high density wire connections to PCB
• Low cost, eliminate the need for a mating connector
• When properly tightened provide an electrically secure connection
• Can be reused in the field allowing for the replacement of wires or equipment
• Can be used with solid, stranded and pre-terminated wire
• Kinked leg versions for extra retention on the PCB


Where are screw terminals used?


PCB screw terminals allow electrical signals and current to flow to and from PCBs and electrical equipment.


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Description Price Orientation Wire Size Current Rating Minimum Wire Size AWG Snap-In Maximum Wire Size AWG Number of Legs Body Material Body Plating Colour Maximum Wire Size Minimum Wire Size
RS Stock No. 163-1856
Mfr. Part No.7461084
€2.527
Each (In a Box of 150)
units
Vertical - 160A - - - 8 - Tin - - -
RS Stock No. 122-4956
Mfr. Part No.7461084
€3.33
Each
units
Vertical - 160A - - - 8 - Tin - - -
RS Stock No. 122-4961
Mfr. Part No.7461148
€8.92
Each
units
Vertical - 130A - - - 8 - Tin - - -
RS Stock No. 122-4962
Mfr. Part No.7461061
€10.09
Each
units
Vertical - 340A - - - 36 - Tin - - -
RS Stock No. 122-4963
Mfr. Part No.7461093
€4.52
Each
units
Vertical - 160A - - - 9 - Tin - - -
RS Stock No. 122-4971
Mfr. Part No.7461101
€4.62
Each
units
Right Angle - 100A - - - 6 - Tin - - -
RS Stock No. 122-4981
Mfr. Part No.7461110
€4.95
Each
units
Right Angle - 130A - - - 9 - Tin - - -
RS Stock No. 122-4964
Mfr. Part No.7461095
€2.70
Each
units
Vertical - 180A - - - 16 - Tin - - -
RS Stock No. 122-4972
Mfr. Part No.7461102
€5.15
Each
units
Right Angle - 160A - - - 8 - Tin - - -
RS Stock No. 163-1864
Mfr. Part No.7461097
€2.062
Each (In a Box of 200)
units
Vertical - 240A - - - 16 - Tin - - -
RS Stock No. 122-4973
Mfr. Part No.7461103
€5.99
Each
units
Right Angle - 160A - - - 8 - Tin - - -
RS Stock No. 163-1865
Mfr. Part No.7461098
€2.527
Each (In a Box of 150)
units
Vertical - 250A - - - 25 - Tin - - -
RS Stock No. 162-2097
Mfr. Part No.7461121
€5.29
Each
units
Straight - - - - - - Brass Tin - - -
RS Stock No. 176-9862
Mfr. Part No.7466005R
€1.365
Each (On a Reel of 600)
units
Vertical - 70A - - - - Brass Tin - - -
RS Stock No. 162-2153
Mfr. Part No.7461073
€3.49
Each
units
Straight - - - - - - Brass Tin - - -
RS Stock No. 163-1869
Mfr. Part No.7461102
€5.062
Each (In a Box of 250)
units
Right Angle - 160A - - - 8 - Tin - - -
RS Stock No. 176-9939
Mfr. Part No.74651175R
€2.78
Each
units
Vertical - 50A - - - 4 Brass Tin - - -
RS Stock No. 122-4982
Mfr. Part No.7461111
€5.56
Each
units
Right Angle - 180A - - - 16 - Tin - - -
RS Stock No. 122-4965
Mfr. Part No.7461097
€2.90
Each
units
Vertical - 240A - - - 16 - Tin - - -
RS Stock No. 122-4974
Mfr. Part No.7461104
€8.94
Each
units
Right Angle - 160A - - - 8 - Tin - - -