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. 674-2397
Mfr. Part No.AKSCT/Z BLACK
SGD0.54
Each (In a Pack of 10)
units
Closed Top 2 2.54mm Female Black 1 6.5mm - 2.44mm - Brass Tin Straight 30mΩ
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. 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. 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. 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. 173-0829
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. 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. 170-8848
Mfr. Part No.65474-001LF
SGD0.506
Each (In a Bag of 500)
units
Closed Top 2 2.54mm Female Blue 1 9.78mm 5.21mm 2.54mm Mini-Jump Brass Gold over Nickel Straight 15mΩ
RS Stock No. 251-8503
BrandRS PRO
SGD0.511
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. 164-0292
Mfr. Part No.827914-3
SGD0.372
Each (In a Box of 1400)
units
Open Top 2 2.54mm Female Black - - 6mm - AMPMODU Mod IV Beryllium Copper Tin over Nickel Straight 15mΩ
RS Stock No. 668-9876
Mfr. Part No.827914-3
SGD0.463
Each (In a Pack of 10)
units
Open Top 2 2.54mm Female Black - - 6mm - AMPMODU Mod IV Beryllium Copper Tin over Nickel Straight 15mΩ
RS Stock No. 771-0117
Mfr. Part No.65474-001LF
SGD0.569
Each (In a Pack of 10)
units
Closed Top 2 2.54mm Female Blue 1 9.78mm 5.21mm 2.54mm Mini-Jump Brass Gold over Nickel Straight 15mΩ
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. 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. 779-3080
Mfr. Part No.A3-SP(A)
BrandHirose
SGD0.644
Each (In a Pack of 10)
units
Closed Top 2 2mm Female Black 1 3.95mm 3.5mm 2mm - Phosphor Bronze Gold Straight 15mΩ
RS Stock No. 251-8575
BrandRS PRO
SGD0.589
Each (In a Pack of 10)
units
Closed Top, Handle Pull 2 2.54mm Female Black 1 4.98mm 14mm 2.44mm - Phosphor Bronze Tin over Nickel Straight 20mΩ
RS Stock No. 245-4487
Mfr. Part No.609058200010
SGD0.799
Each (In a Bag of 50)
units
Uninsulated 2 5.08mm Male - 1 5.68mm 6.5mm - - Brass Tin over Copper Straight -
RS Stock No. 674-2384
Mfr. Part No.AKSPT/G BLACK
SGD0.394
Each (In a Pack of 10)
units
Open Top 2 2.54mm Female Black 1 6mm - 2.44mm - Brass Gold Straight 30mΩ