691412320004

Mounting Type:	Through Hole, Kinked Pin
Screw Thread:	--
Torque - Screw:	--
Screw Material - Plating:	--
Clamp Material - Plating:	Phosphor Bronze
Contact Material - Plating:	Phosphor Bronze - Tin Plated
Housing Material:	Polyamide (PA66), Nylon 6/6
Operating Temperature:	--
Color:	Gray
Features:	--
Wire Termination:	Screwless
Series:	WR-TBL Series 4123
Wire Gauge:	16-30 AWG
Voltage:	300V
Current:	4A
Mating Orientation:	45° (135°) Angle with Board
Pitch:	0.150" (3.81mm)
Positions Per Level:	4
Number of Levels:	1
Part Status:	Active
Packaging:	Bulk

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Terminal Blocks - Wire To Board

Terminal blocks, also known as terminal boards or strips, are a type of electrical connecting device. They serve as an interface for connecting wires to a board or piece of equipment, while providing insulation, protection, and organization. The type of terminal blocks known as wire-to-board are used primarily for connecting individual wires from a cable to the board. When mounting takes place on a printed circuit board, the term board-to-board can be used.

Terminal blocks come in many shapes and sizes, with the most common being the snap-in style. Variations include the screw type and spade types which require a tool to connect the wires. The body usually consists of some sort of plastic, such as nylon or polypropylene. Insulators between the body and the terminals, which are normally made of copper, help protect against interference caused by electromagnetic or radio frequency signals.

When considering a board-to-board terminal block, such as model number 691412320004, there are a few important features to consider. These include the contact system type, contact current rating, contact voltage rating, contact material, contact resistance, insulation resistance, mounting type, and the dimensions. The contact system type will determine the type of connection, such as soldering pads, springs, or pins. The contact current rating indicates the maximum current per contact, while the contact voltage rating indicates the maximum voltage across the contacts.When it comes to the contact material, copper or precious metal, such as gold or silver, can be used. Depending on the specific type of application, one type may be more suitable than the other. Contact resistance should also be considered, as this refers to the electrical resistance between two contacts. This is typically measured in milliohms. Insulation resistance indicates the resistance of the insulation between two contacts, and this should be high for normal operating conditions. The mounting type refers to how the terminal block is to be mounted to the board, such as through-holes or surface mount.

The dimensions of model number 691412320004 are also important. The overall length should be measured to ensure that the device fits the mounting application, and the spacing between the pins and between the contacts should also be measured to ensure a safe and reliable connection. In addition, the width and height should be considered to ensure the device will fit and allow access to the back of the unit for maintenance or servicing, if required.

Wire-to-board terminal blocks are a convenient and efficient way to connect wires to a board or piece of equipment. Model number 691412320004 is an example of a versatile terminal block suitable for a variety of applications. By taking the time to consider the features and dimensions of this terminal block, you can be sure you are making the best choice for your application.

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