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 jumpers and shunts work?

Jumpers work by 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. 909-4382
Mfr. Part No.M50-1900005
BrandHARWIN
$0.396
Each (In a Pack of 20)
units
Jumper 2 1.27mm Female Black 1 2.5mm 1.5mm 3mm Archer M50 Copper Alloy Gold over Nickel Straight 20mΩ
RS Stock No. 180-9353
Mfr. Part No.M22-1900005
BrandHARWIN
$0.37
Each (In a Pack of 10)
units
Open Top 2 2mm Female Black 1 3.9mm 3.5mm 1.95mm - Beryllium Copper Gold Straight 20mΩ
RS Stock No. 173-0829
Mfr. Part No.M22-1900005
BrandHARWIN
$0.227
Each (In a Bag of 1000)
units
Open Top 2 2mm Female Black 1 3.9mm 3.5mm 1.95mm - Beryllium Copper Gold Straight 20mΩ
RS Stock No. 173-0818
Mfr. Part No.M22-1900046
BrandHARWIN
$0.229
Each (In a Bag of 1000)
units
Open Top 2 2mm Female Black 1 3.9mm 3.5mm 1.95mm - Beryllium Copper Tin over Nickel Straight 25mΩ
RS Stock No. 636-5347
Mfr. Part No.M22-1900046
BrandHARWIN
$0.37
Each (In a Pack of 10)
units
Open Top 2 2mm Female Black 1 3.9mm 3.5mm 1.95mm - Beryllium Copper Tin over Nickel Straight 25mΩ
RS Stock No. 173-0885
Mfr. Part No.D3080-05
BrandHARWIN
$0.219
Each (In a Bag of 5000)
units
Uninsulated 2 5.08mm Male - 1 6.08mm - 1mm - Brass Gold Straight -
RS Stock No. 173-0820
Mfr. Part No.M7567-05
BrandHARWIN
$0.199
Each (In a Bag of 1000)
units
Open Top 2 2.54mm Female Black 1 6.3mm 5mm 2.3mm - Phosphor Bronze Gold Straight 25mΩ
RS Stock No. 745-7080
Mfr. Part No.M7567-05
BrandHARWIN
$0.444
Each (In a Pack of 5)
units
Open Top 2 2.54mm Female Black 1 6.3mm 5mm 2.3mm - Phosphor Bronze Gold Straight 25mΩ
RS Stock No. 334-561
Mfr. Part No.M7571-05
BrandHARWIN
$0.444
Each (In a Pack of 5)
units
Open Top 2 2.54mm Female Blue 1 - - - - - Gold Straight 30mΩ
RS Stock No. 434-728
Mfr. Part No.D3080-05
BrandHARWIN
$0.355
Each (In a Pack of 25)
units
Uninsulated 2 5.08mm Male - 1 6.08mm - 1mm - Brass Gold Straight -
RS Stock No. 173-0822
Mfr. Part No.M7571-05
BrandHARWIN
$0.177
Each (In a Bag of 1000)
units
Open Top 2 2.54mm Female Blue 1 - - - - - Gold Straight 30mΩ
RS Stock No. 180-9375
Mfr. Part No.M22-1930005
BrandHARWIN
$0.319
Each (In a Pack of 10)
units
Open Top 2 2mm Female Grey 1 3.9mm 3.5mm 1.95mm - Beryllium Copper Gold Straight 20mΩ
RS Stock No. 173-0852
Mfr. Part No.M22-1930005
BrandHARWIN
$0.222
Each (In a Bag of 1000)
units
Open Top 2 2mm Female Grey 1 3.9mm 3.5mm 1.95mm - Beryllium Copper Gold Straight 20mΩ
RS Stock No. 909-4231
Mfr. Part No.D3087-99
BrandHARWIN
$1.512
Each (In a Pack of 5)
units
Jumper, Shunt 2 6.35mm Male Red 1 9.5mm 3.2mm 12.7mm D3087 Brass Gold over Nickel Straight -
RS Stock No. 173-0876
Mfr. Part No.M7682-05
BrandHARWIN
$0.293
Each (In a Bag of 1000)
units
Closed Top, Handle Pull 2 2.54mm Female Black 1 14mm 5mm 2.4mm - Phosphor Bronze Gold Straight 25mΩ
RS Stock No. 745-7093
Mfr. Part No.M7682-05
BrandHARWIN
$0.678
Each (In a Pack of 5)
units
Closed Top, Handle Pull 2 2.54mm Female Black 1 14mm 5mm 2.4mm - Phosphor Bronze Gold Straight 25mΩ
RS Stock No. 181-5639
Mfr. Part No.D308899
BrandHARWIN
$1.302
Each (In a Bag of 25)
units
Closed Top - 10.16mm Male Red - 17mm 15.1mm - - - - - -
RS Stock No. 181-5601
Mfr. Part No.D308698
BrandHARWIN
$1.017
Each (In a Bag of 25)
units
Closed Top 2 5.08mm Male Black 1 9.5mm 12.7mm 3.2mm - Brass Gold Straight -
RS Stock No. 745-7087
Mfr. Part No.M7566-05
BrandHARWIN
$0.444
Each (In a Pack of 5)
units
Open Top 2 2.54mm Female Red 1 6.3mm 5mm 2.3mm - Phosphor Bronze Gold Straight 25mΩ
RS Stock No. 745-7078
Mfr. Part No.M7565-05
BrandHARWIN
$0.48
Each (In a Pack of 5)
units
Open Top 2 2.54mm Female Grey 1 6.3mm 5mm 2.3mm - Phosphor Bronze Gold Straight 25mΩ