Screw Terminals

What is a PCB Screw Terminal?
A PCB 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
• 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
Applications
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 847-8710
製造零件編號PCSB4-3-12Y
BrandPanduit
HK$269.80
單位
Straight 14 → 10 AWG, 14 → 4 AWG - - Yes - 3 Aluminium - Natural 4 AWG, 10 AWG 14AWG
RS庫存編號 481-3917
製造零件編號8190-3
BrandKeystone
HK$4.787
/個 (每包:10個)
單位
Right Angle 22 → 14 AWG 15A - - - 4 Brass Nickel Black 14AWG 22AWG
RS庫存編號 385-499
製造零件編號SCRTM4RA
HK$16.46
單位
- - - - - - 4 - - Natural - -
RS庫存編號 162-2136
製造零件編號7461123
HK$26.07
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 162-2095
製造零件編號7462096
HK$34.64
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 162-2118
製造零件編號7461122
HK$36.45
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 162-1766
製造零件編號7461126
HK$20.358
個 (以毎盒:500)
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 162-2231
製造零件編號7461118
HK$84.97
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 162-2138
製造零件編號7461070
HK$27.76
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 162-2212
製造零件編號7461128
HK$71.09
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 178-8750
BrandRS PRO
HK$0.198
個 (以毎袋:100)
單位
Straight 1 x 20 AWG, 1 x 22 → 2 x 16 AWG - 1 x 20 AWG, 1 x 22 AWG - 2 x 16AWG - Thermoplastic - Grey - -
RS庫存編號 717-6599
製造零件編號55556-4
HK$24.23
單位
Straight - 25A - - - - Nylon - - - -
RS庫存編號 162-1763
製造零件編號7461122
HK$23,750.98
毎盒:1000 個
Box(es)
Straight - - - - - - Brass Tin - - -
RS庫存編號 162-1772
製造零件編號7462096
HK$22.62
個 (以毎盒:250)
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 164-0856
製造零件編號55556-4
HK$20,333.00
毎盒:1000 個
Box(es)
Straight - 25A - - - - Nylon - - - -
RS庫存編號 162-2264
製造零件編號7461120
HK$28.07
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 162-2151
製造零件編號7462810
HK$46.75
單位
Straight - 70A - - - - Brass Tin - - -
RS庫存編號 162-2242
製造零件編號7461166
HK$41.64
單位
Straight - - - - - - Brass Tin - - -
RS庫存編號 178-8753
BrandRS PRO
HK$0.36
個 (以毎袋:50)
單位
Straight 1 x 18 AWG, 3 x 20 → 3 x 16 AWG - 3 x 20AWG - 1 x 18 AWG, 3 x 16 AWG - Thermoplastic - Orange - -
RS庫存編號 162-2153
製造零件編號7461073
HK$43.21
單位
Straight - - - - - - Brass Tin - - -