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 163-1861
製造零件編號7461094
HK$23.184
個 (以毎盒:500)
單位
Vertical - 130A - - - 9 - Tin - - -
RS庫存編號 122-4990
製造零件編號7461094
HK$34.95
單位
Vertical - 130A - - - 9 - Tin - - -
RS庫存編號 122-5145
製造零件編號7466113R
HK$23.02
單位
Vertical - 50A - - - - - Tin - - -
RS庫存編號 481-3917
製造零件編號8190-3
BrandKeystone
HK$5.249
/個 (每包:10個)
單位
Right Angle 22 → 14 AWG 15A - - - 4 Brass Nickel Black 14AWG 22AWG
RS庫存編號 163-3413
製造零件編號7466113R
HK$15.976
個 (在毎卷:500)
單位
Vertical - 50A - - - - - Tin - - -
RS庫存編號 122-4982
製造零件編號7461111
HK$57.24
單位
Right Angle - 180A - - - 16 - Tin - - -
RS庫存編號 122-4983
製造零件編號7461112
HK$57.14
單位
Right Angle - 180A - - - 16 - Tin - - -
RS庫存編號 122-5140
製造零件編號7466004R
HK$22.28
單位
Vertical - 50A - - - - - Tin - - -
RS庫存編號 917-5314
製造零件編號225675
BrandERNI
HK$40.12
/個 (每包:5個)
單位
Vertical - 90A - - - 9 - Tin - - -
RS庫存編號 122-4979
製造零件編號7461067
HK$107.58
單位
Right Angle - 180A - - - 16 - Tin - - -
RS庫存編號 162-1769
製造零件編號7461129
HK$14.739
個 (以毎盒:250)
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 176-9977
製造零件編號7466105R
HK$30.10
單位
Vertical - 70A - - - - Brass Tin - - -
RS庫存編號 122-4993
製造零件編號7461100
HK$85.81
單位
Vertical - 340A - - - 36 - Tin - - -
RS庫存編號 162-1753
製造零件編號7461059
HK$50.138
個 (以毎盒:100)
單位
Straight - 240A - - - - Brass Tin - - -
RS庫存編號 205-3246
製造零件編號74651194R
HK$29.022
Each (On a Tape of 5)
單位
Straight - 85 - - - 9 Brass - - - -
RS庫存編號 122-4953
製造零件編號7460553
HK$44.48
單位
Vertical - 240A - - - 10 - Tin - - -
RS庫存編號 163-1866
製造零件編號7461099
HK$31.626
個 (以毎盒:100)
單位
Vertical - 250A - - - 25 - Tin - - -
RS庫存編號 122-4975
製造零件編號7461106
HK$106.47
單位
Right Angle - 240A - - - 10 - Tin - - -
RS庫存編號 122-5144
製造零件編號7466204R
HK$22.28
單位
Vertical - 50A - - - - - Tin - - -
RS庫存編號 122-4973
製造零件編號7461103
HK$57.14
單位
Right Angle - 160A - - - 8 - Tin - - -