Categories	Crystals, Oscillators, Resonators / Crystals
Datasheet	HC-49UX Series
Standard Package	100
Manufacturer	ECS Inc.
Series	HC-49UX
Part Status	Active
Type	MHz Crystal
Frequency	12MHz
Frequency Stability	±50ppm
Frequency Tolerance	±30ppm
Load Capacitance	20pF
ESR (Equivalent Series Resistance)	30 Ohms
Operating Mode	Fundamental
Operating Temperature	-20°C ~ 70°C
Ratings	-
Mounting Type	Through Hole
Package / Case	HC-49/U
Size / Dimension	0.447" L x 0.183" W (11.35mm x 4.65mm)
Height - Seated (Max)	0.530" (13.46mm)

ECS-92.1-20-1X	ECS Inc., 9.216MHz ±30ppm Crystal 20pF 35 Ohms HC-49/U, HC-49UX	View
ECS-184-S-1X	ECS Inc., 18.432MHz ±30ppm Crystal Series 20 Ohms HC-49/U, HC-49UX	View
ECS-20.48-12-1X	ECS Inc., 2.048MHz ±30ppm Crystal 12pF 500 Ohms HC-49/U, HC-49UX	View
ECS-122.8-20-1X	ECS Inc., 12.288MHz ±30ppm Crystal 20pF 30 Ohms HC-49/U, HC-49UX	View
ECS-184-18-1X	ECS Inc., 18.432MHz ±30ppm Crystal 18pF 20 Ohms HC-49/U, HC-49UX	View
ECS-36-20-1X-EM	ECS Inc., 3.6MHz ±30ppm Crystal 20pF 120 Ohms HC-49/U, HC-49UX	View
ECS-35-17-1X	ECS Inc., 3.579545MHz ±30ppm Crystal 17pF 120 Ohms HC-49/U, HC-49UX	View
ECS-250-20-1X-EM	ECS Inc., 25MHz ±30ppm Crystal 20pF 20 Ohms HC-49/U, HC-49UX	View
ECS-20-20-1X	ECS Inc., 2MHz ±30ppm Crystal 20pF 500 Ohms HC-49/U, HC-49UX	View
ECS-60-S-1X	ECS Inc., 6MHz ±30ppm Crystal Series 40 Ohms HC-49/U, HC-49UX	View
ECS-120-S-1X	ECS Inc., 12MHz ±30ppm Crystal Series 30 Ohms HC-49/U, HC-49UX	View
ECS-51-20-1X	ECS Inc., 5.068MHz ±30ppm Crystal 20pF 50 Ohms HC-49/U, HC-49UX	View

ECS-120-20-1X-EM

Part NumberECS-120-20-1X-EM