Specification	2057990-1

Color	Black
Connector Style	Impact, Guide Right
Connector Type	Receptacle, Female Sockets
Connector Usage	Daughtercard
Contact Finish	Gold
Contact Finish Thickness	30 µin
Features	Board Guide
Material Flammability Rating	UL94 V-0
Mounting Type	Right Angle, Through Hole, Board Edge
Number of Columns	14
Number of Positions	252
Number of Positions Loaded	All
Number of Rows	18
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-55 °C
Pitch	0.075 in
Termination	Press-Fit

2057990 Series

Part	Connector Usage	Color	Pitch	Connector Type	Number of Rows	Connector Style	Number of Positions Loaded	Number of Positions	Contact Finish Thickness	Contact Finish	Number of Columns	Mounting Type	Features	Termination	Material Flammability Rating	Operating Temperature (Min)	Operating Temperature (Max)
TE Connectivity AMP Connectors 2057990-1	Daughtercard	Black	0.075 in	Female Sockets Receptacle	18	Guide Right Impact	All	252	30 µin	Gold	14	Board Edge Right Angle Through Hole	Board Guide	Press-Fit	UL94 V-0	-55 °C	85 °C

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