Gemalto M2M GmbH MC56 User Manual

Page of 104
MC55/56 Hardware Interface Description 
Confidential / Preliminary 
s
 
MC55/56_hd_v03.00 
Page 96 of 104 
16.08.2005 
6.3 Board-to-board 
connector 
This chapter provides specifications for the 50-pin board-to-board connector which serves as 
physical interface to the host application. The receptacle assembled on the MC55/56 PCB is 
type Hirose DF12C. Mating headers from Hirose are available in different stacking heights.  
 
 
 
 
 
 
 
 
Figure 41: Hirose DF12C receptacle on MC55/56 
 
 
 
 
 
 
 
Figure 42: Header Hirose DF12 series
 
Table 35: Ordering information DF12 series 
Item 
Part number  
Stacking  
height (mm) 
HRS number 
Receptacle on MC55/56  DF12C(3.0)-50DS-0.5V(81) 
3 - 5 
537-0694-9-81 
Headers DF12 series 
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) 
3.0 
3.5 
4.0 
5.0 
537-0834-6-** 
537-0534-2-** 
537-0559-3-** 
537-0584-0-** 
 
Notes: The headers listed above are without boss and metal fitting. Please contact Hirose for details 
on other types of mating headers. Asterixed HRS numbers denote different types of packaging.  
 
Table 36: Electrical and mechanical characteristics of the Hirose DF12C connector 
Parameter 
Specification (50 pin board-to-board connector) 
Number of contacts 
50 
Quantity delivered 
2000 connectors per tape & reel 
Voltage 
50V 
Rated current 
0.3A max per contact 
Resistance 
0.05 Ohm per contact 
Dielectric withstanding voltage 
500V RMS min 
Operating temperature 
-45°C...+125°C 
Contact material 
phosphor bronze  (surface: gold plated) 
Insulator material 
PA , beige natural 
Stacking height 
3.0 mm ; 3.5 mm ; 4.0 mm ; 5.0 mm 
Insertion force 
21.8N 
Withdrawal force 1
st
 
10N 
Withdrawal force  50
th
 
10N 
Maximum connection cycles 
50