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Spring Loaded Contacts & Probes Spring loaded contacts & probes are key components used in laboratory plug connectors and test sockets to make reliable yet removable contact interfaces for application testing.Spring loaded contacts consist of spring elements mounted inside a metal sleeve or body.They are designed to provide a stable contact normal force when mated with the matching plug pin or probe.Common spring technologies are spiral springs or hinged spring flappers.Probes are short test pins with a sharp or chisel tip that typically go into spring loaded sleeves.They are meant to provide a temporary interface for a device under test (DUT) as opposed to permanent soldered connections.
Product Status
Contact Resistance Min 5 mOhm 10 mOhm 20 mOhm 25 mOhm 30 mOhm 100 mOhm Max 5 mOhm 10 mOhm 20 mOhm 25 mOhm 30 mOhm 100 mOhm
External Diameter Min 0.6 mm 0.7 mm 0.78 mm 0.9 mm 0.95 mm 1 mm 1.02 mm 1.3 mm 1.31 mm 1.37 mm 1.65 mm 1.67 mm 1.68 mm 1.83 mm 1.97 mm 2 mm 2.02 mm 2.3 mm 2.35 mm 2.65 mm 2.95 mm 3 mm 3.17 mm 3.5 mm 3.54 mm 4 mm 4.97 mm 5.6 mm Max 0.6 mm 0.7 mm 0.78 mm 0.9 mm 0.95 mm 1 mm 1.02 mm 1.3 mm 1.31 mm 1.37 mm 1.65 mm 1.67 mm 1.68 mm 1.83 mm 1.97 mm 2 mm 2.02 mm 2.3 mm 2.35 mm 2.65 mm 2.95 mm 3 mm 3.17 mm 3.5 mm 3.54 mm 4 mm 4.97 mm 5.6 mm
Overall Length Min 5 mm 5.1 mm 6.5 mm 11.5 mm 12.5 mm 13.6 mm 15 mm 15.2 mm 16.4 mm 16.5 mm 17 mm 17.1 mm 17.7 mm 23.7 mm 25.4 mm 26 mm 27 mm 27.5 mm 28.5 mm 29.6 mm 30 mm 30.4 mm 31 mm 32.3 mm 33 mm 33.1 mm 33.4 mm 33.5 mm 35 mm 35.8 mm 35.9 mm 36.4 mm 37 mm 37.5 mm 40.8 mm 43 mm 43.1 mm 43.2 mm Max 5 mm 5.1 mm 6.5 mm 11.5 mm 12.5 mm 13.6 mm 15 mm 15.2 mm 16.4 mm 16.5 mm 17 mm 17.1 mm 17.7 mm 23.7 mm 25.4 mm 26 mm 27 mm 27.5 mm 28.5 mm 29.6 mm 30 mm 30.4 mm 31 mm 32.3 mm 33 mm 33.1 mm 33.4 mm 33.5 mm 35 mm 35.8 mm 35.9 mm 36.4 mm 37 mm 37.5 mm 40.8 mm 43 mm 43.1 mm 43.2 mm
Rated Current Min 2 A 3 A 3.5 A 4 A 5 A 8 A 10 A 50 A Max 2 A 3 A 3.5 A 4 A 5 A 8 A 10 A 50 A
Type
Pitch Min 1 mm 1.27 mm 1.91 mm 2.54 mm 3 mm 3.18 mm 4 mm 4.5 mm 5 mm 6.5 mm Max 1 mm 1.27 mm 1.91 mm 2.54 mm 3 mm 3.18 mm 4 mm 4.5 mm 5 mm 6.5 mm
Pre-Loaded Spring Force Min 0.2 N 0.25 N 0.3 N 0.4 N 0.45 N 0.5 N 0.6 N 0.8 N 1 N 1.5 N 1.6 N Max 0.2 N 0.25 N 0.3 N 0.4 N 0.45 N 0.5 N 0.6 N 0.8 N 1 N 1.5 N 1.6 N
Spring Force at Working Travel Min 0.7 N 0.8 N 0.85 N 1.2 N 1.5 N 2 N 2.25 N 3 N 8 N Max 0.7 N 0.8 N 0.85 N 1.2 N 1.5 N 2 N 2.25 N 3 N 8 N
Tip Diameter Min 0.4 mm 0.45 mm 0.5 mm 0.6 mm 0.64 mm 0.75 mm 0.8 mm 0.85 mm 0.9 mm 1 mm 1.07 mm 1.25 mm 1.3 mm 1.5 mm 1.8 mm 2 mm 2.03 mm 2.3 mm 2.5 mm 3 mm 3.96 mm 4 mm Max 0.4 mm 0.45 mm 0.5 mm 0.6 mm 0.64 mm 0.75 mm 0.8 mm 0.85 mm 0.9 mm 1 mm 1.07 mm 1.25 mm 1.3 mm 1.5 mm 1.8 mm 2 mm 2.03 mm 2.3 mm 2.5 mm 3 mm 3.96 mm 4 mm