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$22.742
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$34.29
單位
Vertical - 130A - - - 9 - Tin - - -
RS庫存編號 481-3917
製造零件編號8190-3
BrandKeystone
HK$4.584
/個 (每包:10個)
單位
Right Angle 22 → 14 AWG 15A - - - 4 Brass Nickel Black 14AWG 22AWG
RS庫存編號 122-5145
製造零件編號7466113R
HK$21.84
單位
Vertical - 50A - - - - - Tin - - -
RS庫存編號 163-3413
製造零件編號7466113R
HK$15.335
個 (在毎卷:500)
單位
Vertical - 50A - - - - - Tin - - -
RS庫存編號 162-2259
製造零件編號7462095
HK$60.46
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 142-4097
製造零件編號7466313R
HK$32.26
單位
Right Angle - 50A - - - 2 Brass Tin - - -
RS庫存編號 176-9939
製造零件編號74651175R
HK$27.76
單位
Vertical - 50A - - - 4 Brass Tin - - -
RS庫存編號 122-5147
製造零件編號7466213R
HK$19.66
單位
Vertical - 50A - - - - - Tin - - -
RS庫存編號 162-2151
製造零件編號7462810
HK$20.98
單位
Straight - 70A - - - - Brass Tin - - -
RS庫存編號 162-2214
製造零件編號7461082
HK$26.48
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 614-2425
製造零件編號7689
BrandKeystone
HK$4.074
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 177-0036
製造零件編號74651174R
HK$27.76
單位
Vertical - 50A - - - 4 Brass Tin - - -
RS庫存編號 122-4955
製造零件編號7461058
HK$114.31
單位
Vertical - 320A - - - 12 - Tin - - -
RS庫存編號 162-2264
製造零件編號7461120
HK$28.91
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 122-5143
製造零件編號7466203R
HK$21.86
單位
Vertical - 50A - - - - - Tin - - -
RS庫存編號 162-2228
製造零件編號7461129
HK$18.61
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 163-1866
製造零件編號7461099
HK$31.024
個 (以毎盒:100)
單位
Vertical - 250A - - - 25 - Tin - - -
RS庫存編號 122-4983
製造零件編號7461112
HK$54.42
單位
Right Angle - 180A - - - 16 - Tin - - -
RS庫存編號 163-1852
製造零件編號7461064
HK$69.185
個 (以毎盒:75)
單位
Right Angle - 240A - - - 10 - Tin - - -