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Ecliptek is one of the ILSI America brands, which also include:

ILSI America MMD Oscilent

E8WS Series Crystal
Watch Crystal Resonator 1.5mm x 3.2mm x 0.9mm 2 Pad Ceramic Surface Mount (SMD)

Revision  J  01/19/2017

Electrical Specifications

Nominal Frequency 32.768kHz
Frequency Tolerance ±10ppm at 25°C
±20ppm at 25°C
Frequency Stability Temperature Coefficient -0.04ppm/(Change in °C)2 Maximum
Turn over Temperature 25°C ±5°C
Operating Temperature Range -40°C to +85°C
Load Capacitance 7pF Parallel Resonant
9pF Parallel Resonant
12.5pF Parallel Resonant
Shunt Capacitance 1.0pF Typical, 1.5pF Maximum
Motional Capacitance 4.0fF Typical
Equivalent Series Resistance 70,000 Ohms Maximum
Mode of Operation Fundamental
Crystal Cut Tuning Fork
Drive Level 0.5µWatt Maximum
Aging (at 25°C) ±3ppm/year Maximum
Storage Temperature Range -40°C to +85°C
Insulation Resistance Measured at 100VDC
500 Megaohms Minimum