Screw connectors or screw terminals are commonly used concurrently with ring connectors, rectangular connectors, spade connectors, or bare wire. These single conductor connectors come in many terminal types such as: binding post, turret, power tap, screw terminal, and shank terminal. They accept a variety of different screw sizes and are made to be press-fit and/or soldered into PCBs.
Product List
651 Items
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Mfr Part #
Quantity Available
UnitPrice
RFQ
Series
Packaging
Product Status
Terminal Type
Screw Size
Termination
Current Rating (Amps)
Number of Pins
Mounting Type
Features
7773
TERM SCREW 4-40 4 PIN PCB RA
Keystone Electronics
1,818
$0.48
Bulk
Active
Screw Terminal, Power Tap
4-40
Snap-Fit
15 A
4
Through Hole, Right Angle
-
8191
TERM SCREW 6-32 4 PIN PCB
Keystone Electronics
240
$0.51
Bulk
Active
Screw Terminal, Power Tap
6-32
Solder
15 A
4
Through Hole
-
7781
TERM SCREW 6-32 4 PIN PCB RA
Keystone Electronics
970
$0.52
Bulk
Active
Screw Terminal, Power Tap
6-32
Solder
15 A
4
Through Hole, Right Angle
Screw not Included
7788
TERM SCREW M3 4 PIN PCB
Keystone Electronics
1,201
$0.52
Bulk
Active
Screw Terminal, Power Tap
M3
Snap-Fit
15 A
4
Through Hole
Screw not Included
8190
TERM SCREW 6-32 4 PIN PCB RA
Keystone Electronics
822
$0.55
Bulk
Active
Screw Terminal, Power Tap
6-32
Solder
15 A
4
Through Hole, Right Angle
-
7691
TERM SCREW 6-32 4 PIN PCB
Keystone Electronics
11
$0.56
Bulk
Active
Screw Terminal, Power Tap
6-32
Snap-Fit
15 A
4
Through Hole
-
7792
TERM SCREW M4 4 PIN PCB RA
Keystone Electronics
1,675
$0.56
Bulk
Active
Screw Terminal, Power Tap
M4
Snap-Fit
15 A
4
Through Hole, Right Angle
Screw not Included
7779
TERM SCREW 6-32 4 PIN PCB RA
Keystone Electronics
676
$0.57
Bulk
Active
Screw Terminal, Power Tap
6-32
Press-Fit
-
4
Through Hole, Right Angle
Screw not Included
7690
TERM SCREW 6-32 4 PIN PCB RA
Keystone Electronics
1,130
$0.61
Bulk
Active
Screw Terminal, Power Tap
6-32
Snap-Fit
15 A
4
Through Hole, Right Angle
-
7798
TERM SCREW M4 6 PIN PCB
Keystone Electronics
1,187
$0.64
Bulk
Active
Screw Terminal, Power Tap
M4
Snap-Fit
30 A
6
Through Hole
Screw not Included
8197
TERM SCREW 6-32 6 PIN PCB
Keystone Electronics
500
$0.67
Bulk
Active
Screw Terminal, Power Tap
6-32
Snap-Fit
30 A
6
Through Hole
-
7778
TERM SCREW 6-32 2 PIN PCB
Keystone Electronics
731
$0.68
Bulk
Active
Screw Terminal, Power Tap
6-32
Solder
15 A
2
Through Hole
Low Profile
7693
TERM SCREW 6-32 4 PIN PCB
Keystone Electronics
691
$0.74
Bulk
Active
Screw Terminal, Power Tap
6-32
Snap-Fit
15 A
4
Through Hole
-
7787
TERM SCREW 10-32 6 PIN PCB
Keystone Electronics
215
$0.75
Bulk
Active
Screw Terminal, Power Tap
10-32
Snap-Fit
30 A
6
Through Hole
Screw not Included
7807
TERM SCREW M5 6 PIN PCB
Keystone Electronics
558
$0.87
Bulk
Active
Screw Terminal, Power Tap
M5
Snap-Fit
30 A
6
Through Hole
Screw not Included
1293
TERM SCREW 10-32 2 PIN PCB
Keystone Electronics
946
$0.87
Bulk
Active
Screw Terminal, Power Tap
10-32
Solder
30 A
2
Through Hole
Anti-Rotational Tab, Low Profile, Screw not Included
1299
TERM SCREW 10-32 2 PIN PCB
Keystone Electronics
527
$1.06
Bulk
Active
Screw Terminal, Power Tap
10-32
Solder
30 A
2
Through Hole
Anti-Rotational Tab, Low Profile
8196
TERM SCREW 10-32 6 PIN PCB
Keystone Electronics
189
$1.14
Bulk
Active
Screw Terminal, Power Tap
10-32
Snap-Fit
30 A
6
Through Hole
-
1202
TERM SCREW 10-32 2 PIN PCB
Keystone Electronics
45
$1.27
Bulk
Active
Screw Terminal, Power Tap
10-32
Solder
30 A
2
Through Hole
Anti-Rotational Tab, Low Profile
7808
TERM SCREW M5 6 PIN PCB
Keystone Electronics
59
$1.42
Bulk
Active
Screw Terminal, Power Tap
M5
Snap-Fit
30 A
6
Through Hole
-
About Terminals - Screw Connectors
What are Terminals - Screw Connectors?
Terminals - Screw Connectors
Terminals - Screw Connectors are essential components in the electrical and electronics industry, serving as a reliable means to connect wires to a circuit. These connectors work by securing a wire between a screw and a metal plate, creating a stable electrical connection. The basic operating principle involves inserting a stripped wire into a terminal and tightening a screw to clamp the wire in place, ensuring a secure and conductive link. This method provides a robust connection that can withstand vibrations and mechanical stress, making it ideal for various applications.
Types of Terminals - Screw Connectors
Barrier Strip Connectors
Barrier strip connectors are characterized by their robust design, featuring a series of screws aligned in a row, separated by insulating barriers. These connectors are commonly used in applications requiring multiple connections, such as control panels and audio equipment. The barriers prevent short circuits by isolating each connection point.
Eurostyle Terminal Blocks
Eurostyle terminal blocks, also known as European-style connectors, are compact and versatile, often used in industrial and automation applications. They feature a modular design that allows for easy installation and removal, with a clamping mechanism that ensures a secure connection. These connectors are ideal for high-density wiring applications.
Ring and Spade Terminals
Ring and spade terminals are designed for applications requiring a permanent connection. The wire is crimped onto a metal ring or spade, which is then secured under a screw. These terminals are widely used in automotive and marine applications due to their durability and ease of installation.
How to choose Terminals - Screw Connectors?
When selecting screw connectors, several key parameters should be considered:
Current Rating: Ensure the connector can handle the electrical load of your application.
Wire Size Compatibility: Choose connectors that accommodate the wire gauge you are using.
Material: Consider connectors made from corrosion-resistant materials for harsh environments.
Temperature Range: Select connectors that can operate within the temperature range of your application.
Mounting Style: Determine whether you need panel-mounted or PCB-mounted connectors.
Evaluating product quality involves checking for certifications, such as UL or CE, and reviewing supplier reputations and customer feedback. Consider environmental factors like humidity and exposure to chemicals, which may affect connector performance. Installation requirements, such as the need for specialized tools or space constraints, should also be taken into account.
Applications of Terminals - Screw Connectors
Industrial Automation
In industrial automation, screw connectors are used to connect sensors, actuators, and control systems. Their reliability and ease of use make them ideal for environments where frequent maintenance is required.
Automotive Industry
The automotive industry utilizes screw connectors for wiring harnesses and electrical systems. Their ability to withstand vibrations and temperature fluctuations makes them suitable for under-the-hood applications.
Consumer Electronics
Screw connectors are employed in consumer electronics for connecting internal components, such as speakers and power supplies. Their compact size and secure connections are beneficial in space-constrained devices.
Telecommunications
In telecommunications, screw connectors are used in network equipment and infrastructure. They provide reliable connections for data and power transmission, essential for maintaining network integrity.
Renewable Energy Systems
Renewable energy systems, such as solar panels and wind turbines, use screw connectors to connect power generation components. Their durability and resistance to environmental factors are crucial for outdoor installations.
