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. 909-4231
Mfr. Part No.D3087-99
BrandHARWIN
SGD1.288
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. 674-2407
Mfr. Part No.AKSPLTG BLACK
SGD0.324
Each (In a Pack of 10)
units
Closed Top, Handle Pull 2 2.54mm Female Black 1 13.5mm - - - Brass Gold Straight 30mΩ
RS Stock No. 681-2206
Mfr. Part No.531230-4
SGD0.838
Each (In a Pack of 5)
units
Open Top 2 5.08mm Female Black 1 7.62mm 2.54mm 6.35mm AMPMODU Beryllium Copper Tin over Nickel Straight -
RS Stock No. 170-8850
Mfr. Part No.68786-302LF
SGD0.155
Each (In a Bag of 1000)
units
Open Top 2 2.54mm Female White 1 5.03mm 5.08mm 2.49mm Mini-Jump Copper Alloy Tin Straight 15mΩ
RS Stock No. 863-2762
Mfr. Part No.68786-102LF
SGD0.173
Each (In a Pack of 100)
units
Jumper 2 2.54mm Female White 1 5.03mm 2.49mm 5.08mm Mini-Jump Copper Alloy Gold - 15mΩ
RS Stock No. 170-7321
Mfr. Part No.90059-0009
BrandMolex
SGD0.279
Each (In a Bag of 5000)
units
Open Top 2 2.54mm Female Natural 1 5.1mm 2.54mm 4.85mm C-Grid Phosphor Bronze Gold over Nickel Straight 12mΩ
RS Stock No. 217-520
Mfr. Part No.D3080B-46
BrandHARWIN
SGD0.412
Each (In a Bag of 25)
units
Uninsulated - 5.08mm Male - - 9mm - - - - - - -
RS Stock No. 173-0824
Mfr. Part No.M22-1910005
BrandHARWIN
SGD0.196
Each (In a Bag of 1000)
units
Open Top 2 2mm Female Blue 1 3.9mm 3.5mm 1.95mm - Beryllium Copper Gold Straight 20mΩ
RS Stock No. 217-873
Mfr. Part No.M7967B-46
SGD0.276
Each (In a Pack of 25)
units
Closed Top, Handle Pull - 2.54mm Female Black - 10.3mm 5mm 2.3mm - Phosphor Bronze Tin Straight 30mΩ
RS Stock No. 821-6196
Mfr. Part No.98266-0193
BrandMolex
SGD4.35
Each
units
Jumper 18 0.5mm - - 1 152mm 0.22mm - 98266 - Tin Straight -
RS Stock No. 863-2951
Mfr. Part No.71363-202LF
SGD0.325
Each (In a Pack of 100)
units
Shunt 2 2.54mm Female Black 1 5.03mm 2.49mm 9.14mm Mini-Jump Phosphor Bronze Gold over Nickel - 15mΩ
RS Stock No. 674-2390
Mfr. Part No.AKSPT/G RED
SGD0.075
Each (In a Pack of 10)
units
Open Top 2 2.54mm Female Red 1 6mm - 2.44mm - Brass Gold Straight 30mΩ
RS Stock No. 788-4818
Mfr. Part No.S1621-46R
BrandHARWIN
SGD0.261
Each (In a Pack of 10)
units
- - - - - - - - - S1 Copper Alloy Tin - -
RS Stock No. 745-7093
Mfr. Part No.M7682-05
BrandHARWIN
SGD2.52
1 Pack of 5
Pack(s)
Closed Top, Handle Pull 2 2.54mm Female Black 1 14mm 5mm 2.4mm - Phosphor Bronze Gold Straight 25mΩ
RS Stock No. 670-5010
Mfr. Part No.90059-0009
BrandMolex
SGD0.362
Each (In a Pack of 100)
units
Open Top 2 2.54mm Female Natural 1 5.1mm 2.54mm 4.85mm C-Grid Phosphor Bronze Gold over Nickel Straight 12mΩ
RS Stock No. 771-0123
Mfr. Part No.68786-302LF
SGD0.244
Each (In a Pack of 20)
units
Open Top 2 2.54mm Female White 1 5.03mm 5.08mm 2.49mm Mini-Jump Copper Alloy Tin Straight 15mΩ
RS Stock No. 863-2721
Mfr. Part No.63429-202LF
SGD0.257
Each (In a Pack of 100)
units
Shunt 2 2.54mm Female White 1 5.05mm 2.49mm 6mm Mini-Jump Copper Alloy Gold - 15mΩ
RS Stock No. 481-0766
Mfr. Part No.609251220001
SGD2.594
Each (In a Lot of 5)
units
Jumper 2 2.54mm Female Black 1 5.08mm 6mm 2.5mm - Phosphor Bronze Gold over Nickel Straight 20mΩ
RS Stock No. 173-0820
Mfr. Part No.M7567-05
BrandHARWIN
SGD0.156
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. 723-4865
Mfr. Part No.X222.005.03 SIGNAL BUSBAR GREY (PACK OF 10)
BrandETA
SGD54.96
Each
units
- - - - - - - - - - - - - -
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