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. 917-5324
Mfr. Part No.225679
BrandERNI
kr 22,416
Each (In a Pack of 5)
Units
Vertical - 250A - - - 25 - Tin - - -
RS Stock No. 917-5314
Mfr. Part No.225675
BrandERNI
kr 42,628
Each (In a Pack of 5)
Units
Vertical - 90A - - - 9 - Tin - - -
RS Stock No. 917-5318
Mfr. Part No.225676
BrandERNI
kr 51,84
Each (In a Pack of 5)
Units
Vertical - 160A - - - 16 - Tin - - -
RS Stock No. 917-5320
Mfr. Part No.225678
BrandERNI
kr 67,536
Each (In a Pack of 5)
Units
Vertical - 250A - - - 25 - Tin - - -
RS Stock No. 917-5349
Mfr. Part No.225683
BrandERNI
kr 38,64
Each (In a Pack of 5)
Units
Vertical - 160A - - - 16 - Tin - - -
RS Stock No. 917-5355
Mfr. Part No.225686
BrandERNI
kr 80,836
Each (In a Pack of 5)
Units
Vertical - 360A - - - 36 - Tin - - -
RS Stock No. 917-5342
Mfr. Part No.225684
BrandERNI
kr 13,632
Each (In a Pack of 5)
Units
Vertical - 160A - - - 16 - Tin - - -
RS Stock No. 917-5336
Mfr. Part No.225681
BrandERNI
kr 117,538
Each (In a Pack of 5)
Units
Vertical - 90A - - - 9 - Tin - - -
RS Stock No. 917-5330
Mfr. Part No.225682
BrandERNI
kr 35,988
Each (In a Pack of 5)
Units
Vertical - 160A - - - 16 - Tin - - -
RS Stock No. 917-5327
Mfr. Part No.225677
BrandERNI
kr 48,77
Each (In a Pack of 5)
Units
Vertical - 160A - - - 16 - Tin - - -