Categories	Crystals, Oscillators, Resonators / Crystals
Datasheet	HC-49UX Series
Standard Package	100
Manufacturer	ECS Inc.
Series	HC-49UX
Packaging	Bulk
Part Status	Active
Type	MHz Crystal
Frequency	20MHz
Frequency Stability	±50ppm
Frequency Tolerance	±30ppm
Load Capacitance	Series
ESR (Equivalent Series Resistance)	20 Ohms
Operating Mode	Fundamental
Operating Temperature	-10°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-143-S-1X	ECS Inc., 14.31818MHz ±30ppm Crystal Series 25 Ohms HC-49/U, HC-49UX	View
ECS-24-32-1X	ECS Inc., 2.4576MHz ±30ppm Crystal 32pF 300 Ohms HC-49/U, HC-49UX	View
ECS-18-S-1X	ECS Inc., 1.8432MHz ±30ppm Crystal Series 750 Ohms HC-49/U, HC-49UX	View
ECS-36-18-1X	ECS Inc., 3.6864MHz ±30ppm Crystal 18pF 120 Ohms HC-49/U, HC-49UX	View
ECS-110.5-S-1X	ECS Inc., 11.0592MHz ±30ppm Crystal Series 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-110-S-1X	ECS Inc., 11MHz ±30ppm Crystal Series 30 Ohms HC-49/U, HC-49UX	View
ECS-20-S-1X	ECS Inc., 2MHz ±30ppm Crystal Series 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-49-S-1X	ECS Inc., 4.9152MHz ±30ppm Crystal Series 55 Ohms HC-49/U, HC-49UX	View
ECS-41-20-1X	ECS Inc., 4.096MHz ±30ppm Crystal 20pF 100 Ohms HC-49/U, HC-49UX	View
ECS-160-S-1X	ECS Inc., 16MHz ±30ppm Crystal Series 20 Ohms HC-49/U, HC-49UX	View

ECS-200-S-1X

Part NumberECS-200-S-1X