Board-To-Board Connector; Mechanical Dimensions Of The Df12 Header (Without Metal Fitting) - Quectel M20 Hardware Design

M20 Hardware Design

7.3.1 Board-to-board connector

This section provides specifications for the 50-pin board-to-board connector which serves as
physical interface to the host application. The receptacle assembled on the M20 module is type
Hirose DF12C or DF12A. Mating headers from Hirose are available in different stacking heights.
Table 38: Ordering information DF12 series
Item
Receptacle on M20
Headers DF12 series
Note: Please contact Hirose for details on other types of mating headers. Asterixed HRS
numbers denote different types of packaging.

7.3.2 Mechanical dimensions of the DF12 header (without metal fitting)

Figure 46: D imensions of the DF12 header（Unit: mm）
M20_HD_V1.01
Part number
DF12A(3.0)-50DS-0.5V(81)
DF12C(3.0)-50DS-0.5V(81)
DF12E(3.0)-50DP-0.5V(81)
DF12E(3.5)-50DP-0.5V(81)
DF12E(4.0)-50DP-0.5V(81)
DF12E(5.0)-50DP-0.5V(81)
Stacking height
3.0 537-0634-7-81
3.0 537-0694-9-81
3.0 537-0834-6-**
3.5 537-0534-2-**
4.0 537-0559-3-**
5.0 537-0584-0-**
HRS number
- 74 -