Dimensions in mm (inches).
347
SG1/SG2/SG3 SERIES CONNECTORS
Connectors for SD Card
Also compatible with MultiMedia Card
Employs a new push-push eject mechanism
Space saving design with hold-downs & SMT
contacts located inside frame
Audible click on insertion/removal
Live insertion - pin nos. 3 and 4 connect with
the card first
Card insertion detection mechanism
(pin no. 1 makes contact last)
Write protect switch lock/unlock detection
mechanism for SD card
Card locking mechanism type available
(only on SD card)
FEATURES
SG Series is a socket for SD (secure digital) cards, which was
standardized as a small memory or I/O card for small mobile devices
by the SDA. (SDA: SD Card Association)
GENERAL SPECIFICATIONS
………….
MATERIALS AND FINISHES
Description
Materials/ Finishes
Contact
Copper alloy
Contact portion: Au plating over Ni
Terminal portion: Sn-Pb plating over Ni
Card detection switch
Write protect switch
Copper alloy
Contact portion: Au plating over Ni
Terminal portion: Sn-Pb plating over Ni
Housing
Glass filled LCP
Eject bar
Glass filled Nylon
Cover (including hold-down) Stainless steel
Cam follower
Stainless steel
Spring
Piano wire/ zinc galvanizing
Spring for locking
Stainless steel
Number of Contacts
No. of contacts: 13 SG1
12 SG2 & SG3
Current rating
Less than 0.5A
Dielectric withstand voltage 500 VAC r.m.s. (for one minute)
Insulation resistance
1000 megaohms min
Contact resistance
100 milliohms max
Operating temperature
-25°C to +85°C
Rated voltage
3.3V
ORDERING INFORMATION
SG2S 012 V 1 C E500
Series: SG1V
SG2S
SG3S
Modification code
C: Bottom mount type
Contact finish
Au plating over Ni
Tape & reel packaging
E400 (SG1), E500 (SG2 & SG3)
Height code: V = 3.3 (SG1)
S = 2.9 (SG2 & SG3)
No. of contacts: 012
013