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
TWD19.60
/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
TWD16.00
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 163-1881
製造零件編號7461117
TWD513.50
個 (以毎盒:50)
單位
Right Angle - 340A - - - 36 - Tin - - -
RS庫存編號 163-1882
製造零件編號7461147
TWD63.80
個 (以毎盒:250)
單位
Vertical - 180A - - - 16 - Tin - - -
RS庫存編號 164-2186
製造零件編號1-5055323-0
TWD51.30
個 (以毎盒:1000)
單位
Straight - 25A - - - - - - - - -
RS庫存編號 176-9967
製造零件編號7466205R
TWD92.00
單位
Vertical - 70A - - - - Brass Tin - - -
RS庫存編號 163-1884
製造零件編號7461383
TWD49.20
個 (以毎盒:250)
單位
Vertical - 180A - - - 16 - Tin - - -
RS庫存編號 165-1020
製造零件編號9-55556-0
TWD140.80
個 (以毎盒:500)
單位
Straight - 25A - - - - Nylon - - - -
RS庫存編號 917-5330
製造零件編號225682
BrandERNI
TWD125.20
/個 (每包:5個)
單位
Vertical - 160A - - - 16 - Tin - - -
RS庫存編號 163-1875
製造零件編號7461110
TWD130.20
個 (以毎盒:250)
單位
Right Angle - 130A - - - 9 - Tin - - -
RS庫存編號 122-4981
製造零件編號7461110
TWD228.00
單位
Right Angle - 130A - - - 9 - Tin - - -
RS庫存編號 162-2214
製造零件編號7461082
TWD137.00
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 917-5355
製造零件編號225686
BrandERNI
TWD314.80
/個 (每包:5個)
單位
Vertical - 360A - - - 36 - 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 122-4982
製造零件編號7461111
TWD216.00
單位
Right Angle - 180A - - - 16 - Tin - - -
RS庫存編號 122-4951
製造零件編號7460305
TWD86.00
單位
Vertical - 160A - - - 8 - Tin - - -
RS庫存編號 917-5342
製造零件編號225684
BrandERNI
TWD264.00
/個 (每包:5個)
單位
Vertical - 160A - - - 16 - Tin - - -
全新
RS庫存編號 217-5473
製造零件編號5055556-9
TWD142.50
/個 (每包:2個)
單位
Vertical - 37.8A - - - 10 Nylon - - - -
RS庫存編號 163-1871
製造零件編號7461104
TWD231.60
個 (以毎盒:200)
單位
Right Angle - 160A - - - 8 - Tin - - -
RS庫存編號 163-1868
製造零件編號7461101
TWD119.70
個 (以毎盒:350)
單位
Right Angle - 100A - - - 6 - Tin - - -