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. 159-3178
Mfr. Part No.2SN-BK-G
BrandSamtec
HK$1.974
Each (In a Pack of 100)
units
Shunt 2 2mm Female Black 1 3.99mm 2mm 4.44mm 2SN Phosphor Bronze Gold Straight -
RS Stock No. 158-5731
Mfr. Part No.SNT-100-BK-T
BrandSamtec
HK$54.57
1 Box of 1
Box(es)
Shunt 2 2.54mm Female Black 1 5.08mm 2.54mm 6.1mm SNT Phosphor Bronze Matte Tin Straight -
RS Stock No. 180-0169
Mfr. Part No.SNM-100-BK-T
BrandSamtec
HK$1.555
Each (In a Pack of 1000)
units
Shunt 2 2.54mm Female Black 1 - 1.27mm 3.3mm SNM Phosphor Bronze Tin Straight -
RS Stock No. 180-0151
Mfr. Part No.MNT-102-BK-T
BrandSamtec
HK$2.122
Each (In a Pack of 1000)
units
Shunt 2 2.54mm Female Black 1 - 5.08mm 6.1mm MNT Phosphor Bronze Tin Straight -
RS Stock No. 200-0459
Mfr. Part No.MNT-103-BK-T
BrandSamtec
HK$5.75
Each
units
Shunt 3 2.54mm Male Black 1 - - - MNT - - Straight -
RS Stock No. 159-2313
Mfr. Part No.SNT-100-RD-G
BrandSamtec
HK$2.328
Each (In a Pack of 10)
units
Shunt 2 2.54mm Female Red 1 5.08mm 2.54mm 6.1mm SNT Phosphor Bronze Gold Straight -
RS Stock No. 159-2305
Mfr. Part No.SNT-100-BK-T-H
BrandSamtec
HK$1.483
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. 200-0463
Mfr. Part No.MNT-112-BK-G
BrandSamtec
HK$31.47
Each
units
Shunt 12 2.54mm Male Black 1 - - - MNT - - Straight -
RS Stock No. 159-2311
Mfr. Part No.SNT-100-BL-G
BrandSamtec
HK$2.373
Each (In a Pack of 10)
units
Shunt 2 2.54mm Female Blue 1 5.08mm 2.54mm 6.1mm SNT Phosphor Bronze Gold Straight -
RS Stock No. 158-7784
Mfr. Part No.SNT-100-BK-G
BrandSamtec
HK$1.817
Each (In a Pack of 50)
units
Shunt 2 2.54mm Female Black 1 5.08mm 2.54mm 6.1mm SNT Phosphor Bronze Gold Straight -
RS Stock No. 200-0460
Mfr. Part No.MNT-105-BK-T
BrandSamtec
HK$9.43
Each
units
Shunt 5 2.54mm Male Black 1 - - - MNT - - Straight -
RS Stock No. 200-0280
Mfr. Part No.JL-400-25-T
BrandSamtec
HK$0.327
Each (In a Pack of 1000)
units
JUMPERS 2 2.54mm Male White 1 - - - JL - - Straight -
RS Stock No. 158-6169
Mfr. Part No.JL-100-25-T
BrandSamtec
HK$0.333
Each (On a Reel of 1000)
units
Jumper Link 2 2.54mm Male White 1 2.54mm 1.14mm - JL Phosphor Bronze Tin Straight -
New
RS Stock No. 208-8945
Mfr. Part No.PCIEC-036-0500-EC-EM-P-85
BrandSamtec
HK$586.75
Each
units
Jumper Cable Assemblies 36 1mm Female to Male Blue, Grey 1 - - - PCIEC-036-0500-EC-EM-P-85 - - Straight -
RS Stock No. 158-7764
Mfr. Part No.MNT-104-BK-T
BrandSamtec
HK$6.448
Each (In a Pack of 10)
units
Multi Position Shunt 4 2.54mm Female Black 1 10.16mm 5.08mm 6.1mm MNT Phosphor Bronze Matte Tin Straight -
RS Stock No. 158-5725
Mfr. Part No.SNM-100-BK-G
BrandSamtec
HK$38.06
1 Box of 1
Box(es)
Shunt 2 2.54mm Female Black 1 3.81mm 1.27mm 3.3mm SNM Phosphor Bronze Gold Straight -
RS Stock No. 158-5607
Mfr. Part No.MNT-108-BK-G
BrandSamtec
HK$22.57
1 Box of 1
Box(es)
Multi Position Shunt 8 2.54mm Female Black 1 10.16mm 5.08mm 6.1mm MNT Phosphor Bronze Gold Straight -
RS Stock No. 159-2570
Mfr. Part No.JL-100-25-T
BrandSamtec
HK$0.432
Each (In a Pack of 100)
units
Jumper Link 2 2.54mm Male White 1 2.54mm 1.14mm - JL Phosphor Bronze Tin Straight -
RS Stock No. 159-2298
Mfr. Part No.SNT-100-BK-T
BrandSamtec
HK$1.302
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. 159-2936
Mfr. Part No.2SN-BK-G
BrandSamtec
HK$1.775
Each (In a Box of 100)
units
Shunt 2 2mm Female Black 1 3.99mm 2mm 4.44mm 2SN Phosphor Bronze Gold Straight -