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	4.032MHz
Frequency Stability	±50ppm
Frequency Tolerance	±30ppm
Load Capacitance	20pF
ESR (Equivalent Series Resistance)	100 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-40.3-20-1	ECS Inc., 4.032MHz ±30ppm Crystal 20pF 100 Ohms HC-49/U, HC-49U	View
ECS-240.001-18-1	ECS Inc., 24.00014MHz ±30ppm Crystal 18pF 20 Ohms HC-49/U, HC-49U	View
ECS-65-12-1	ECS Inc., 6.5536MHz ±30ppm Crystal 12pF 40 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-221-S-1	ECS Inc., 22.1184MHz ±30ppm Crystal Series 20 Ohms HC-49/U, HC-49U	View
ECS-10-13-1H	ECS Inc., 1MHz ±100ppm Crystal 13pF 3 kOhms HC-49/U, HC-49U(H)	View
ECS-200-20-1	ECS Inc., 20MHz ±30ppm Crystal 20pF 20 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-120-32-1	ECS Inc., 12MHz ±30ppm Crystal 32pF 30 Ohms HC-49/U, HC-49U	View
ECS-44-20-1	ECS Inc., 4.433618MHz ±30ppm Crystal 20pF 70 Ohms HC-49/U, HC-49U	View
ECS-480-S-1	ECS Inc., 48MHz ±30ppm Crystal Series 40 Ohms HC-49/U, HC-49U	View
ECS-35-S-1	ECS Inc., 3.579545MHz ±30ppm Crystal Series 120 Ohms HC-49/U, HC-49U	View

ECS-40.3-20-1

Part NumberECS-40.3-20-1