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. 173-0822
Mfr. Part No.M7571-05
BrandHARWIN
HK$0.859
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
HK$1.968
Each (In a Pack of 5)
units
Open Top 2 2.54mm Female Blue 1 - - - - - Gold Straight 30mΩ
RS Stock No. 909-4382
Mfr. Part No.M50-1900005
BrandHARWIN
HK$1.921
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. 180-9353
Mfr. Part No.M22-1900005
BrandHARWIN
HK$1.748
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
HK$0.882
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. 181-5617
Mfr. Part No.D308699
BrandHARWIN
HK$6.242
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
HK$4.538
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. 173-0969
Mfr. Part No.D3086-99
BrandHARWIN
HK$4.369
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. 434-728
Mfr. Part No.D3080-05
BrandHARWIN
HK$1.905
Each (In a Pack of 25)
units
Uninsulated 2 5.08mm Male - 1 6.08mm - 1mm - Brass Gold Straight -
RS Stock No. 161-3683
Mfr. Part No.M7581-05
BrandHARWIN
HK$0.762
Each (In a Pack of 100)
units
Jumper Socket 2 2.54mm Female Red 1 5mm 2.4mm 6mm M7581 Phosphor Bronze Gold Straight 20MΩ
RS Stock No. 173-0873
Mfr. Part No.M7686-05
BrandHARWIN
HK$1.30
Each (In a Bag of 1000)
units
Closed Top, Handle Pull 2 2.54mm Female Black 1 10mm 5mm 2.4mm - Phosphor Bronze Gold Straight 25mΩ
RS Stock No. 161-3523
Mfr. Part No.M50-2030005
BrandHARWIN
HK$1,357.40
1 Pack of 1000
Pack(s)
Jumper Socket 2 1.27mm Female Blue 1 2.5mm 1.25mm 5.5mm M50 Copper Alloy Gold Straight 20MΩ
RS Stock No. 434-734
Mfr. Part No.D3086-97
BrandHARWIN
HK$4.34
Each (In a Pack of 10)
units
Closed Top 2 5.08mm Male Blue 1 9.5mm 12.7mm 3.2mm - Brass Gold Straight -
RS Stock No. 173-0825
Mfr. Part No.M22-1920005
BrandHARWIN
HK$0.882
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. 161-3699
Mfr. Part No.M50-2000005
BrandHARWIN
HK$2.11
Each (In a Pack of 25)
units
Jumper Socket 2 1.27mm Female Black 1 2.5mm 1.25mm 5.5mm M50 Copper Alloy Gold Straight 20MΩ
RS Stock No. 180-9375
Mfr. Part No.M22-1930005
BrandHARWIN
HK$1.911
Each (In a Pack of 10)
units
Open Top 2 2mm Female Grey 1 3.9mm 3.5mm 1.95mm - Beryllium Copper Gold Straight 20mΩ
RS Stock No. 181-5601
Mfr. Part No.D308698
BrandHARWIN
HK$6.501
Each (In a Bag of 25)
units
Closed Top 2 5.08mm Male Black 1 9.5mm 12.7mm 3.2mm - Brass Gold Straight -
RS Stock No. 173-0988
Mfr. Part No.D308898
BrandHARWIN
HK$5.166
Each (In a Pack of 100)
units
Closed Top 2 10.16mm Male Black 1 15.1mm 12mm 3.2mm - Brass Gold Straight -
RS Stock No. 181-5623
Mfr. Part No.D308898
BrandHARWIN
HK$6.061
Each (In a Bag of 25)
units
Closed Top 2 10.16mm Male Black 1 15.1mm 12mm 3.2mm - Brass Gold Straight -
RS Stock No. 909-4405
Mfr. Part No.M7967-05
BrandHARWIN
HK$1.40
Each (In a Pack of 20)
units
Jumper 2 2.54mm Female Black 1 5mm 2.3mm 10.3mm M20 Phosphor Bronze Gold Straight 25mΩ