JSA4-1-GO 2-pin On-Off switch by ERG. simple push slider for on/off action. slider is retained, so cannot be removed. all pins are gold plated. 2.54mm pitch. (also stackable to give a 2.54 x 2.54 matrix) Download ERG JSA4-1-GO datasheet: Status: NOS (New Old Stock) RoHS compliant: YES