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. 434-728
Mfr. Part No.D3080-05
BrandHARWIN
SGD0.388
Each (In a Pack of 25)
units
Uninsulated 2 5.08mm Male - 1 6.08mm - 1mm - Brass Gold Straight -
RS Stock No. 173-0885
Mfr. Part No.D3080-05
BrandHARWIN
SGD0.226
Each (In a Bag of 5000)
units
Uninsulated 2 5.08mm Male - 1 6.08mm - 1mm - Brass Gold Straight -
RS Stock No. 173-0825
Mfr. Part No.M22-1920005
BrandHARWIN
SGD0.237
Each (In a Bag of 1000)
units
Open Top 2 2mm Female Red 1 3.9mm 3.5mm 1.95mm - Beryllium Copper Gold Straight 20mΩ
RS Stock No. 334-561
Mfr. Part No.M7571-05
BrandHARWIN
SGD0.816
Each (In a Pack of 5)
units
Open Top 2 2.54mm Female Blue 1 - - - - - Gold Straight 30mΩ
RS Stock No. 180-9369
Mfr. Part No.M22-1920005
BrandHARWIN
SGD0.35
Each (In a Pack of 10)
units
Open Top 2 2mm Female Red 1 3.9mm 3.5mm 1.95mm - Beryllium Copper Gold Straight 20mΩ
RS Stock No. 173-0822
Mfr. Part No.M7571-05
BrandHARWIN
SGD0.19
Each (In a Bag of 1000)
units
Open Top 2 2.54mm Female Blue 1 - - - - - Gold Straight 30mΩ
RS Stock No. 180-9353
Mfr. Part No.M22-1900005
BrandHARWIN
SGD0.435
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
SGD0.249
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. 636-5347
Mfr. Part No.M22-1900046
BrandHARWIN
SGD0.36
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. 173-0818
Mfr. Part No.M22-1900046
BrandHARWIN
SGD0.234
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. 160-3739
Mfr. Part No.D3081-B01
BrandHARWIN
SGD0.295
Each (In a Bag of 25)
units
Uninsulated - 6.35mm - - - 9mm - - - - - - -
RS Stock No. 434-756
Mfr. Part No.D3086-99
BrandHARWIN
SGD1.292
Each (In a Pack of 10)
units
Closed Top 2 5.08mm Male Red 1 9.5mm 12.7mm 3.2mm - Brass Gold Straight -
RS Stock No. 173-0994
Mfr. Part No.D3088-99
BrandHARWIN
SGD1.292
Each (In a Bag of 100)
units
Closed Top 2 10.16mm Male Red 1 15.1mm 12mm 3.2mm - Brass Gold Straight -
RS Stock No. 435-428
Mfr. Part No.D3088-99
BrandHARWIN
SGD1.455
Each (In a Pack of 10)
units
Closed Top 2 10.16mm Male Red 1 15.1mm 12mm 3.2mm - Brass Gold Straight -
RS Stock No. 173-0969
Mfr. Part No.D3086-99
BrandHARWIN
SGD1.177
Each (In a Bag of 100)
units
Closed Top 2 5.08mm Male Red 1 9.5mm 12.7mm 3.2mm - Brass Gold Straight -
RS Stock No. 909-4382
Mfr. Part No.M50-1900005
BrandHARWIN
SGD0.389
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. 788-4818
Mfr. Part No.S1621-46R
BrandHARWIN
SGD0.305
Each (In a Pack of 10)
units
- - - - - - - - - S1 Copper Alloy Tin - -
RS Stock No. 173-0816
Mfr. Part No.S1621-46R
BrandHARWIN
SGD0.142
Each (On a Reel of 5000)
units
- - - - - - - - - S1 Copper Alloy Tin - -
RS Stock No. 173-0876
Mfr. Part No.M7682-05
BrandHARWIN
SGD0.314
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. 217-520
Mfr. Part No.D3080B-46
BrandHARWIN
SGD0.492
Each (In a Bag of 25)
units
Uninsulated - 5.08mm Male - - 9mm - - - - - - -