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庫存編號 481-3917
製造零件編號8190-3
BrandKeystone
TWD18.70
/個 (每包:10個)
單位
Right Angle 22 → 14 AWG 15A - - - 4 Brass Nickel Black 14AWG 22AWG
RS庫存編號 614-2425
製造零件編號7689
BrandKeystone
TWD15.20
個 (以毎袋:10)
單位
Right Angle 22 → 14 AWG 15A - Yes - 4 Brass Tin Natural 14AWG 22AWG
RS庫存編號 122-4983
製造零件編號7461112
TWD216.00
單位
Right Angle - 180A - - - 16 - Tin - - -
RS庫存編號 122-5140
製造零件編號7466004R
TWD84.00
單位
Vertical - 50A - - - - - Tin - - -
RS庫存編號 142-4046
製造零件編號74650094R
TWD143.00
單位
Vertical - 85A - - - 8 Brass Tin - - -
RS庫存編號 122-4976
製造零件編號7461107
TWD534.00
單位
Right Angle - 240A - - - 10 - Tin - - -
RS庫存編號 162-2242
製造零件編號7461166
TWD165.00
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 162-2153
製造零件編號7461073
TWD133.00
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 163-1843
製造零件編號7460305
TWD65.80
個 (以毎盒:250)
單位
Vertical - 160A - - - 8 - Tin - - -
RS庫存編號 122-4979
製造零件編號7461067
TWD400.00
單位
Right Angle - 180A - - - 16 - Tin - - -
RS庫存編號 163-1867
製造零件編號7461100
TWD247.90
個 (以毎盒:80)
單位
Vertical - 340A - - - 36 - Tin - - -
RS庫存編號 122-5145
製造零件編號7466113R
TWD86.00
單位
Vertical - 50A - - - - - Tin - - -
RS庫存編號 162-1754
製造零件編號7461070
TWD87.20
個 (以毎盒:500)
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 163-1860
製造零件編號7461093
TWD83.10
個 (以毎盒:500)
單位
Vertical - 160A - - - 9 - Tin - - -
RS庫存編號 122-4953
製造零件編號7460553
TWD168.00
單位
Vertical - 240A - - - 10 - Tin - - -
RS庫存編號 176-9860
製造零件編號7466205R
TWD53.20
個 (在毎卷:500)
單位
Vertical - 70A - - - - Brass Tin - - -
RS庫存編號 122-5139
製造零件編號7466003R
TWD84.00
單位
Vertical - 50A - - - - - Tin - - -
RS庫存編號 122-5144
製造零件編號7466204R
TWD84.00
單位
Vertical - 50A - - - - - Tin - - -
全新
RS庫存編號 217-5472
製造零件編號5055556-9
TWD108.30
個 (以毎盒:100)
單位
Vertical - 37.8A - - - 10 Nylon - - - -
RS庫存編號 162-2259
製造零件編號7462095
TWD233.00
單位
Straight - - - - - - Brass Tin - - -