HUAWEI MC509 Series CDMA LGA Module
Hardware Guide
Mechanical Specifications
Issue 02 (2013-05-06)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
71
6.10.6
Specifications of Rework
Temperature parameter of rework: for either the removing or welding of the module,
the heating rate during the rework must be equal to or smaller than 3°C/s, and the
peak temperature between 240ºC
–250ºC. The following parameters are
recommended during the rework.
Figure 6-9
Temperature graph of rework