1278

Insulation:	Non-Insulated
Tongue Inside Opening:	0.140" (3.56mm)
Length - Termination:	0.330" (8.38mm)
Length - Ring Center to Termination:	0.250" (6.35mm)
Material - Insulation:	--
Insulation Diameter:	--
Contact Material:	Brass
Contact Finish:	Tin
Color:	--
Features:	--
Series:	--
Wire Gauge:	--
Termination:	Crimp
Mounting Type:	Free Hanging (In-Line)
Length - Overall:	0.750" (19.05mm)
Width - Outer Edges:	0.300" (7.62mm)
Stud/Tab Size:	6 Stud
Terminal Type:	Standard
Part Status:	Obsolete
Packaging:	Bulk

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Introduction to Spade Connectors

Spade connectors are a type of electrical terminal used in a wide variety of applications. Spade connectors are used in a variety of electrical applications, ranging from automotive to aerospace, and from industrial to consumer-related products. The most common use of spade connectors is for connection of electric wires, either for power or signals. Spade connectors are also used for connection of RF coax cables.

Construction of Spade Connectors

Spade connectors are simple two terminal components, consisting of two symmetrical pieces – a male and female spade. The connection is made by simply pushing the female spade into the male spade until it is fully engaged. The two parts are designed in a funnel-like shape with an opening wide enough to accommodate the wire and lock it in place. This allows the pair to easily engage without over-tightening. The two halves of the spade connector are usually made from brass or stainless steel, but copper and aluminum are also used. Some spades are manufactured from a hollowed plastic material and then fitted with a copper sleeve to increase the strength of the connection.

Types of Spade Connectors

There are several types of spade connectors available, depending on application requirements. The two most commonly used types of spade connectors are closed barrel and open barrel. The closed barrel connectors have a closed end, which provides an insulation shield around the connection and prevents short circuits. On the other hand, the open barrel connectors have no insulating shield around them and are generally used in high current applications where voltage drop is a concern. Other types of spade connectors include quick connect spade connectors, which are used to quickly join two electrical wires together, and flat or “hook” spade connectors, which are commonly used for larger diameter wires.

1278 Applications and Working Principles

Spade connectors are commonly used in many 1278-rated applications, including automotive, aviation, marine, and industrial applications. These applications require the use of spade connectors in order to safely join wires of different gauges and ensure proper current flow. The most common 1278-rated application for spade connectors is in the wiring of automotive and aviation engine management systems. In order to ensure optimal current flow, the spade connectors must be made to correct size and securely joined. This is accomplished through a combination of the funnelled shape of the spade connectors as well as their ability to securely lock in place when pushed together. The 1278 specification also applies to spades for RF coax cables, which must be specially designed to ensure low voltage drop while providing a secure connection. These spades must also be constructed from materials which are compatible with the electromagnetic field created by the cables.Spade connectors are also commonly used in industrial applications, ranging from electrical distribution systems to remotely operated sensors. The main working principle of spade connectors is to create a low-resistance connection between two conductive surfaces. By using the funnel shape of the male and female spades, the connection is kept snug and secure, providing an optimal current flow and a minimum of voltage drop. Additionally, the material of the spades must be constructed from a material compatible with the application, in order to ensure the safety of the user and the connection.

Conclusion

Spade connectors are a type of electrical terminal used in a wide range of applications. Due to their unique design and simple construction, spade connectors are highly versatile and can be used safely in many 1278-rated applications, including automotive, aviation, marine, and industrial applications. The main working principle of a spade connector is to create a low-resistance connection between two conductive surfaces, while ensuring optimal current flow and a minimum of voltage drop.

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