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	20MHz
Frequency Stability	±50ppm
Frequency Tolerance	±30ppm
Load Capacitance	20pF
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-60-32-1	ECS Inc., 6MHz ±30ppm Crystal 32pF 40 Ohms HC-49/U, HC-49U	View
ECS-73-S-1	ECS Inc., 7.3728MHz ±30ppm Crystal Series 40 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-30-S-1	ECS Inc., 3MHz ±30ppm Crystal Series 200 Ohms HC-49/U, HC-49U	View
ECS-36-18-1	ECS Inc., 3.6864MHz ±30ppm Crystal 18pF 120 Ohms HC-49/U, HC-49U	View
ECS-160-20-1	ECS Inc., 16MHz ±30ppm Crystal 20pF 20 Ohms HC-49/U, HC-49U	View
ECS-196.6-S-1	ECS Inc., 19.6608MHz ±30ppm Crystal Series 20 Ohms HC-49/U, HC-49U	View
ECS-121-S-1	ECS Inc., 12.096MHz ±30ppm Crystal Series 30 Ohms HC-49/U, HC-49U	View
ECS-76.8-20-1	ECS Inc., 7.68MHz ±30ppm Crystal 20pF 40 Ohms HC-49/U, HC-49U	View
ECS-52-32-1	ECS Inc., 5.185MHz ±30ppm Crystal 32pF 50 Ohms HC-49/U, HC-49U	View
ECS-180-20-1	ECS Inc., 18MHz ±30ppm Crystal 20pF 20 Ohms HC-49/U, HC-49U	View
ECS-403.2-18-1	ECS Inc., 40.32MHz ±30ppm Crystal 18pF 40 Ohms HC-49/U, HC-49U	View

ECS-200-20-1

Part NumberECS-200-20-1