标准摘要
[中文适用范围]： IEC 60068 的这一部分适用于其端子或整体安装装置在正常组装或搬运操作期间容易受到应力的所有电气和电子元件。 [外文原描述]： IEC 60068-2-21:2006 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. This edition includes the following significant technical changes with respect to the previous edition: - Addition of torque severity for nominal thread diameter of 8 mm in Test Ud: torque in accordance with IEC 60252-2 (see table 5); - Modification of substrate specification and mounting method describing lead-free solder in Test Ue (see Figure 5 and 8.3.3 et al.); - Modification of test jig and test condition in Test Ue1: substrate bending test (see Figure 7 et al.); - Change of pushing force from 10 N to 5 N in Test Ue3: shear test (see 8.5.3.2). The contents of the corrigendum of January 2012 have been included in this copy.
英文名称Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices