1754452

Voltage - UL:	300V
Insulation Height:	0.339" (8.61mm)
Contact Tail Length:	0.138" (3.50mm)
Housing Material:	Polyamide (PA), Nylon
Contact Material:	--
Wire Strip Length:	--
Torque - Screw:	--
Screw Size:	--
Ingress Protection:	--
Material Flammability Rating:	UL94 V-0
Features:	--
Contact Mating Finish:	Tin
Operating Temperature:	--
Color:	Green
Wire Gauge or Range - mm²:	--
Wire Gauge or Range - AWG:	--
Series:	COMBICON MSTB
Current - UL:	15A
Voltage - IEC:	400V
Current - IEC:	12A
Mounting Type:	Through Hole
Termination Style:	Solder
Plug Wire Entry:	--
Header Orientation:	90°, Right Angle
Pitch:	0.197" (5.00mm)
Number of Levels:	1
Positions Per Level:	3
Number of Positions:	3
Type:	Header, Male Pins, Shrouded (2 Side)
Part Status:	Active
Packaging:	Bulk

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Terminal Blocks - Headers, Plugs and Sockets

Terminal blocks, also called headers, plugs and sockets, are electrical devices used to connect wires to a device, typically a printed circuit board. They come in two types: pin headers (for carrying signals) and socketed blocks (for carrying power). These can be single pins or multiple pins and are used in both commercial and hobby applications.

Applications

Terminal blocks can be used in a variety of applications ranging from industrial control to hobbyist electronics. Pin headers are often found in consumer electronics, for example, modern smartphone audio connectors, where they provide connection points to the motherboard. Socketed blocks are used in large-scale industrial settings where heavier electrical connections are needed such as for connecting high-voltage lines. Additionally, terminal blocks are used by hobbyists and makers when building their own electronics projects, such as Arduino-based projects and electronic circuit boards.

Design

Terminal blocks consist of two parts: the body (or housing) and the contacts. The body typically looks like a hollow strip with each end covered by a plastic cap. The contacts are attached to the body of the terminal block at one end, and are typically made of tin-plated copper with insulation on the outside. The contacts are arranged in a grid at regular intervals along the body of the block, allowing a variety of pins to be connected to one another.

Working Principle and Uses

Terminal blocks are easy to use and provide an electrical connection between two points. They do this by creating an electrical channel from one pin to another. All that is required is a matching pin arrangement on each side, with the pins being secure enough to ensure a good connection. In addition to the electrical connection, they also provide a degree of safety, as the exposed contacts are covered by insulation and a plastic cap. This makes them ideal for a range of commercial and hobby applications, providing reliable and safe connections.

Specifications

Terminal blocks come in many forms and sizes, offering different features and benefits. For example, some terminal blocks are rated up to 400V and 10A while others provide increased safety features such as increased impact and temperature resistance. Other features and specifications to consider include whether the terminal blocks have screw or push-in type contacts, pitch spacing, and the type of contact material used.

Conclusion

Terminal blocks are electrical devices used to connect wires to a device. They come in two types: pin headers (for carrying signals) and socketed blocks (for carrying power). They are used in a variety of applications, including consumer electronics, industrial control, and hobbyist electronics. Terminal blocks provide a reliable and safe electrical connection and typically have an insulation cap for additional protection. The type and specification of a terminal block depends on the application and can range from 400V and 10A up to increased safety features such as impacts and temperature resistance.

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