The EloPin is a modified eye of the needle (EON) press-fit contact, developed to feature several important goals:

  • low press-in force
  • no tin chips
  • high mechanical stability
  • gas-tight, reliable connection
  • low mechanical stress on the PCB during press-in process
  • no "nozzle effect" (deformation of the PCB layers from press-in)
  • temperature range from -40°C to 150°C (rem. 1)
  • low electric resistance
  • high push-out force
  • high elasticity (spring travel of the contact arms)
  • usable in overmolded hybrid parts
  • high economic efficiency
  • RoHS - compliant

Rem. 1: Several users internally released different sizes of the EloPin for applications up to 170°C. Since a significant dependency on the PCB used exists, this must be tested individually.


Material Thickness
PTH Diameter
PCB Thickness(x1)
EloPin 04-06 0,4 mm 0,6 mm 1,0 mm
EloPin 06-10
0,6 mm
1,0 mm
1,44 (1,0) mm
EloPin 08-145
0,8 mm
1,45 mm
1,44 mm
EloPin 08-16 0,8 mm 1,6 mm 1,44 mm
EloPin 12-20
1,2 mm
2,0 mm
1,44 mm

Several custom sizes available upon request. New standard sizes currently in development.

x1: Minimum PCB thickness. There is no upper thickness limit.


Technical Data

04-06 06-10 08-145 08-16 12-20
Press-in force, max
100 N
100 N
160 N
160 N
200 N
Press-in force, typical
20-60 N (x1)
65 N
115 N
85 N
160 N
Push-out force, min
20 N
30 N
40 N
50 N
50 N
Push-out force, typical
35-70 N (x1)
60 N
135 N
105 N
110 N
Volume resistance, max
1 mOhm
1 mOhm
1 mOhm
1 mOhm
1 mOhm
Volume resistance, typical
0,05 mOhm
0,01 mOhm
0,01 mOhm
0,01 mOhm
0,01 mOhm
Current Capacity (x2)
not tested
approx. 8 A
approx. 25 A
approx. 25 A
approx. 45 A

x1: The large span in press-in-/push-out forces of the EloPin 04-06 is mostly explicable by the relatively high PTH-tolerances compared to the relatively small contact. Shown values refer to the maximum and minimum Plated-Through-Hole diameters.

x2: Current capacity is largely dependent on assembly situation. Usually, the PCB buildup is the limiting factor. Further information upon request.



Since press-fit contacts usually are part of an assembly, end-users usually don't list the pin-design itself. However, the press-fit design requires a certain amount of testing. Therefore the DIN EN 60352-5 describes two different test cycles, one for the press-fit and one for the component featuring the press-fit.

EloPins are qualified according to DIN EN 60352-5 with extended criteria (increased temperature range, increased amount of temperature cycles, etc.).



The EloPin is a product developed by TBS Sorig and is manufactured and distributed by several independent licensees. This leads to crucial advantages for the customer:

  • Low pricing due to several different competing manufacturers.
  • Supply security due to independent production sites.
  • No conflict of interest from using press-fit designs of potential competitors

The provided product quality of the different manufacturers is randomly tested by TBS. Adjustments of the design by the licensee are prohibited leading to a high standard of quality.