Categories	Crystals, Oscillators, Resonators / Crystals
Datasheet	HC-49U
Standard Package	100
Manufacturer	ECS Inc.
Series	HC-49U
Packaging	Bulk
Part Status	Active
Type	MHz Crystal
Frequency	49.86MHz
Frequency Stability	±50ppm
Frequency Tolerance	±30ppm
Load Capacitance	20pF
ESR (Equivalent Series Resistance)	40 Ohms
Operating Mode	3rd Overtone
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-120.003-18-1	ECS Inc., 12.000393MHz ±30ppm Crystal 18pF 30 Ohms HC-49/U, HC-49U	View
ECS-80-18-1	ECS Inc., 8MHz ±30ppm Crystal 18pF 35 Ohms HC-49/U, HC-49U	View
ECS-143-S-1	ECS Inc., 14.31818MHz ±30ppm Crystal Series 25 Ohms HC-49/U, HC-49U	View
ECS-200-20-1	ECS Inc., 20MHz ±30ppm Crystal 20pF 20 Ohms HC-49/U, HC-49U	View
ECS-92.1-S-1	ECS Inc., 9.216MHz ±30ppm Crystal Series 35 Ohms HC-49/U, HC-49U	View
ECS-115.2-S-1	ECS Inc., 11.52MHz ±30ppm Crystal Series 30 Ohms HC-49/U, HC-49U	View
ECS-51-S-1	ECS Inc., 5.068MHz ±30ppm Crystal Series 50 Ohms HC-49/U, HC-49U	View
ECS-50-20-1	ECS Inc., 5MHz ±30ppm Crystal 20pF 50 Ohms HC-49/U, HC-49U	View
ECS-40.3-20-1	ECS Inc., 4.032MHz ±30ppm Crystal 20pF 100 Ohms HC-49/U, HC-49U	View
ECS-20.48-12-1	ECS Inc., 2.048MHz ±30ppm Crystal 12pF 500 Ohms HC-49/U, HC-49U	View
ECS-184-S-1	ECS Inc., 18.432MHz ±30ppm Crystal Series 20 Ohms HC-49/U, HC-49U	View
ECS-98.3-S-1	ECS Inc., 9.8304MHz ±30ppm Crystal Series 35 Ohms HC-49/U, HC-49U	View

ECS-498.6-20-1

Part NumberECS-498.6-20-1