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

j

umpers and shunts work?

Jumpers work 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. 251-8503
BrandRS PRO
£0.218
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. 674-2397
Mfr. Part No.AKSCT/Z BLACK
£0.19
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. 251-8682
BrandRS PRO
£0.225
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. 279-9853
Mfr. Part No.JSA4-16-G0
BrandERG
£4.70
Each
Units
Jumper Switch 16 2.54mm - - 1 40.64mm 8.4mm 6.1mm - - - Straight 15mΩ
RS Stock No. 173-0822
Mfr. Part No.M7571-05
BrandHARWIN
£0.071
Each (In a Bag of 1000)
Units
Open Top 2 2.54mm Female Blue 1 - - - - - Gold Straight 30mΩ
RS Stock No. 334-561
Mfr. Part No.M7571-05
BrandHARWIN
£0.38
Each (In a Pack of 5)
Units
Open Top 2 2.54mm Female Blue 1 - - - - - Gold Straight 30mΩ
RS Stock No. 251-8575
BrandRS PRO
£0.239
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. 181-5617
Mfr. Part No.D308699
BrandHARWIN
£0.63
Each (In a Bag of 25)
Units
Closed Top 2 5.08mm Male Red 1 9.5mm 12.7mm 3.2mm - Brass Gold Straight -
RS Stock No. 173-0975
Mfr. Part No.D308699
BrandHARWIN
£0.376
Each (In a Pack of 100)
Units
Closed Top 2 5.08mm Male Red 1 9.5mm 12.7mm 3.2mm - Brass Gold Straight -
RS Stock No. 745-7080
Mfr. Part No.M7567-05
BrandHARWIN
£0.40
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. 173-0820
Mfr. Part No.M7567-05
BrandHARWIN
£0.069
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. 251-8531
BrandRS PRO
£0.202
Each (In a Pack of 10)
Units
Closed Top 2 2.54mm Female Red 1 4.98mm 6.47mm 2.44mm - Phosphor Bronze Tin over Nickel Straight 20mΩ
RS Stock No. 173-0885
Mfr. Part No.D3080-05
BrandHARWIN
£0.109
Each (In a Bag of 5000)
Units
Uninsulated 2 5.08mm Male - 1 6.08mm - 1mm - Brass Gold Straight -
RS Stock No. 674-2384
Mfr. Part No.AKSPT/G BLACK
£0.19
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. 434-728
Mfr. Part No.D3080-05
BrandHARWIN
£0.182
Each (In a Pack of 25)
Units
Uninsulated 2 5.08mm Male - 1 6.08mm - 1mm - Brass Gold Straight -
RS Stock No. 251-8569
BrandRS PRO
£0.244
Each (In a Pack of 10)
Units
Open Top 2 2.54mm Female Black 1 4.98mm 6.47mm 2.44mm - Phosphor Bronze Tin over Nickel Straight 75mΩ
RS Stock No. 674-2375
Mfr. Part No.AKSNT/Z BLACK
£0.19
Each (In a Pack of 10)
Units
Open Top 2 2.54mm Female Black 1 4.6mm - 2.44mm - Brass Tin Straight 30mΩ
RS Stock No. 162-729
Mfr. Part No.63.9354.21
£3.92
Each
Units
Closed Top, Handle Pull 2 12mm Male Black 1 18.5mm 19.4mm 5.6mm KS2 - Gold Straight -
RS Stock No. 481-0738
Mfr. Part No.609251220011
£1.46
Each (In a Lot of 5)
Units
Jumper 2 2.54mm Female Black 1 5.08mm 6mm 2.5mm - Phosphor Bronze Tin over Nickel Straight 20mΩ
RS Stock No. 163-3091
Mfr. Part No.3132512020440
£1.029
Each (In a Box of 250)
Units
Jumper 2 2.54mm Female Black 1 5.08mm 6mm 2.5mm - Phosphor Bronze Tin over Nickel Straight 20mΩ
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