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. 135-5103
Mfr. Part No.881545-2
TWD3.10
Each (In a Bag of 14000)
units
Handle, Open Top 2 2.54mm Female Black 1 5.08mm 2.5mm 10.9mm AMPMODU NOVO Phosphor Bronze Gold over Nickel Straight 15mΩ
RS Stock No. 680-2394
Mfr. Part No.881545-2
TWD5.00
Each (In a Pack of 100)
units
Handle, Open Top 2 2.54mm Female Black 1 5.08mm 2.5mm 10.9mm AMPMODU NOVO Phosphor Bronze Gold over Nickel Straight 15mΩ
RS Stock No. 718-1682
Mfr. Part No.2106154-1
TWD146.00
Each
units
Board to Board 2 9.2mm Female Natural 1 22.5mm 14.4mm 6.3mm - Copper Alloy Tin - -
RS Stock No. 863-2951
Mfr. Part No.71363-202LF
TWD8.10
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. 162-741
Mfr. Part No.63.9352-21
BrandStaubli
TWD156.00
Each
units
Closed Top, Handle Pull 2 6mm Male Black 1 11.6mm 19.4mm 5.6mm KS2 - Gold Straight -
RS Stock No. 251-8503
BrandRS PRO
TWD10.30
Each (In a Pack of 10)
units
Closed Top 2 2.54mm Female Black 1 4.98mm 6.47mm 2.44mm - Phosphor Bronze Tin over Nickel Straight 20mΩ
RS Stock No. 160-3739
Mfr. Part No.D3081-B01
BrandHARWIN
TWD6.40
Each (In a Bag of 25)
units
Uninsulated - 6.35mm - - - 9mm - - - - - - -
RS Stock No. 165-0877
Mfr. Part No.2106154-1
TWD128.80
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. 270-6261
Mfr. Part No.90059-0007
BrandMolex
TWD14.80
Each (In a Pack of 5)
units
Open Top 2 2.54mm Female Black 1 5.1mm 2.54mm 4.85mm C-Grid Phosphor Bronze Tin over Nickel Straight 15mΩ
RS Stock No. 162-729
Mfr. Part No.63.9354.21
BrandStaubli
TWD183.00
Each
units
Closed Top, Handle Pull 2 12mm Male Black 1 18.5mm 19.4mm 5.6mm KS2 - Gold Straight -
RS Stock No. 161-3532
Mfr. Part No.M7581-05
BrandHARWIN
TWD2.20
Each (In a Pack of 5000)
units
Jumper Socket 2 2.54mm Female Red 1 5mm 2.4mm 6mm M7581 Phosphor Bronze Gold Straight 20MΩ
RS Stock No. 909-4382
Mfr. Part No.M50-1900005
BrandHARWIN
TWD7.20
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. 180-0793
Mfr. Part No.SNT-100-BL-T
BrandSamtec
TWD5.60
Each (In a Pack of 50)
units
Shunt 2 2.54mm Female Black 1 5.08mm 2.54mm 6.1mm SNT Phosphor Bronze Tin Straight -
RS Stock No. 674-2387
Mfr. Part No.AKSPT/G BLUE
TWD8.60
Each (In a Pack of 10)
units
Open Top 2 2.54mm Female Blue 1 6mm - 2.44mm - Brass Gold Straight 30mΩ
RS Stock No. 251-8682
BrandRS PRO
TWD10.70
Each (In a Pack of 10)
units
Open Top 2 2.54mm Female Black 1 4.98mm 5.97mm 2.44mm - Phosphor Bronze Tin Straight 7mΩ
RS Stock No. 251-8519
BrandRS PRO
TWD9.50
Each (In a Pack of 10)
units
Closed Top 2 2.54mm Female Blue 1 4.98mm 6.47mm 2.44mm - Phosphor Bronze Tin over Nickel Straight 20mΩ
RS Stock No. 159-2305
Mfr. Part No.SNT-100-BK-T-H
BrandSamtec
TWD5.60
Each (In a Pack of 50)
units
Shunt 2 2.54mm Female Black 1 5.08mm 2.54mm 6.1mm SNT Phosphor Bronze Matte Tin Straight -
RS Stock No. 674-2384
Mfr. Part No.AKSPT/G BLACK
TWD2.80
Each (In a Pack of 10)
units
Open Top 2 2.54mm Female Black 1 6mm - 2.44mm - Brass Gold Straight 30mΩ
RS Stock No. 158-7779
Mfr. Part No.SNM-100-BK-G
BrandSamtec
TWD12.80
Each (In a Pack of 10)
units
Shunt 2 2.54mm Female Black 1 3.81mm 1.27mm 3.3mm SNM Phosphor Bronze Gold Straight -
RS Stock No. 164-7397
Mfr. Part No.142270-3
TWD15.10
Each (In a Box of 1400)
units
Open Top 2 2.54mm Female Black 1 5.08mm 2.54mm 6.3mm AMPMODU Mod IV Beryllium Copper Tin Straight -