Jumpers & Shunts

Jumpers and shunts are devices used in circuits to close, open or bypass part of the circuit. Jumpers are often used in the design of printed circuit boards such as motherboards, whereas shunts have a wide range of applications, such as in Christmas tree lights where they can bypass faulty bulbs.

How do

j

umpers and shunts work?

Jumpers work using pairs of contact points called jumper points to complete the circuit when the jumper sleeve is connected to them, creating another path for the current in a circuit. The jumper is electrically conductive, but usually encased in a plastic block to ensure that the jumper will not cause a short.

Shunts work by creating a low resistance path in the circuit, so that the current may pass around another point. This can be useful when one part of a circuit is defective.

Types of jumpers and shunts

Jumpers and shunts can have differing numbers of contacts and rows, as well as being of varying sizes. The contact material and plating can also differ.


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Description Price Type Number of Contacts Pitch Gender Colour Number of Rows Length Width Depth Series Contact Material Contact Plating Orientation Maximum Contact Resistance
RS Stock No. 763-6776
Mfr. Part No.60900213421
$0.46
Each (In a Pack of 10)
units
Open Top 2 2.54mm Female Black 1 4.98mm 2.44mm 5.97mm - Copper Alloy Gold Straight 20mΩ
RS Stock No. 165-0877
Mfr. Part No.2106154-1
$6.054
Each (In a Bag of 40)
units
Board to Board 2 9.2mm Female Natural 1 22.5mm 14.4mm 6.3mm - Copper Alloy Tin - -
RS Stock No. 162-741
Mfr. Part No.63.9352-21
$6.71
Each
units
Closed Top, Handle Pull 2 6mm Male Black 1 11.6mm 19.4mm 5.6mm KS2 - Gold Straight -
RS Stock No. 161-3700
Mfr. Part No.M50-2030005
BrandHARWIN
$0.406
Each (In a Pack of 25)
units
Jumper Socket 2 1.27mm Female Blue 1 2.5mm 1.25mm 5.5mm M50 Copper Alloy Gold Straight 20MΩ
RS Stock No. 745-7084
Mfr. Part No.M7681-05
BrandHARWIN
$0.672
Each (In a Pack of 5)
units
Closed Top, Handle Pull 2 2.54mm Female Red 1 14mm 5mm 2.4mm - Phosphor Bronze Gold Straight 25mΩ
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