ABS25-32.768KHZ-6-1- T vs ABS25-32.768KHZ-6-4-T vs ABS25-32.768KHZ-6-2-T

PartNumber	ABS25-32.768KHZ-6-1- T	ABS25-32.768KHZ-6-4-T	ABS25-32.768KHZ-6-2-T
Description	Resonators		Crystal 0.032768MHz ±20ppm (Tol) 6pF 50000Ohm 4-Pin SMD T/R