BS EN 60068-2-21:2006

1 Scope
2 Normative references
3 Test Ua[1]: tensile
  3.1 Object
  3.2 General description
  3.3 Preconditioning
  3.4 Initial measurements
  3.5 Test method
  3.6 Final measurements
  3.7 Information to be given in the relevant specification
4 Test Ua[2]: thrust
  4.1 Object
  4.2 General description
  4.3 Preconditioning
  4.4 Initial measurements
  4.5 Test method
  4.6 Final measurements
  4.7 Information to be given in the relevant specification
5 Test Ub: bending
  5.1 Object
  5.2 General description
  5.3 Preconditioning
  5.4 Initial measurements
  5.5 Test method
  5.6 Final measurements
  5.7 Information to be given in the relevant specification
6 Test Uc: torsion
  6.1 Object
  6.2 Preconditioning
  6.3 Initial measurements
  6.4 Test method
  6.5 Final measurements
  6.6 Information to be given in the relevant specification
7 Test Ud: torque
  7.1 Object
  7.2 General description
  7.3 Preconditioning
  7.4 Initial measurements
  7.5 Test method
  7.6 Final measurements
  7.7 Information to be given in the relevant specification
8 Test Ue: robustness of terminations for SMD in the mounted
  state
  8.1 Object
  8.2 General description
  8.3 Mounting
  8.4 Initial measurements
  8.5 Test methods
  8.6 Final measurements
  8.7 Information to be given in the relevant specification
Annex ZA (normative) Normative references to international
                     publications with their corresponding
                     European publications
Bibliography

Applies to all electrical and electronic components whose terminations or integral mounting devices are liable to be submitted to stresses during normal assembly or handling operations.

This part of IEC 60068 is applicable to all electrical and electronic components whose terminations or integral mounting devices are liable to be submitted to stresses during normal assembly or handling operations. Table 1 provides details of the applicable tests. Table 1 – Application Test Type Component Mounted/not mounted Ua1 Tensile Leaded devices Not mounted Ua2 Thrust Leaded devices Not mounted Ub Bending Leaded devices Not mounted Uc Torsion Leaded devices Not mounted Ud Torque Threaded stud or screw termination Not mounted Ue1 Bending Surface mounted devices Mounted Ue2 Pull/push Surface mounted devices Mounted Ue3 Shear Surface mounted devices Mounted