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-24-32-1	ECS Inc., 2.4576MHz ±30ppm Crystal 32pF 300 Ohms HC-49/U, HC-49U	View
ECS-39-17-1	ECS Inc., 3.93216MHz ±30ppm Crystal 17pF 100 Ohms HC-49/U, HC-49U	View
ECS-160.003-18-1	ECS Inc., 16.000312MHz ±30ppm Crystal 18pF 20 Ohms HC-49/U, HC-49U	View
ECS-112.2-S-1	ECS Inc., 11.228MHz ±30ppm Crystal Series 30 Ohms HC-49/U, HC-49U	View
ECS-122.8-20-1	ECS Inc., 12.288MHz ±30ppm Crystal 20pF 30 Ohms HC-49/U, HC-49U	View
ECS-240-S-1	ECS Inc., 24MHz ±30ppm Crystal Series 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-18-13-1	ECS Inc., 1.8432MHz ±30ppm Crystal 13pF 750 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-221-S-1	ECS Inc., 22.1184MHz ±30ppm Crystal Series 20 Ohms HC-49/U, HC-49U	View
ECS-40-S-1	ECS Inc., 4MHz ±30ppm Crystal Series 100 Ohms HC-49/U, HC-49U	View
ECS-20-20-1	ECS Inc., 2MHz ±30ppm Crystal 20pF 500 Ohms HC-49/U, HC-49U	View

ECS-40.3-20-1

Part NumberECS-40.3-20-1