Categories	Crystals, Oscillators, Resonators / Crystals
Datasheet	HC-49US
Standard Package	200
Manufacturer	ECS Inc.
Series	HC-49US
Packaging	Bulk
Part Status	Active
Type	MHz Crystal
Frequency	6.5MHz
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/US
Size / Dimension	0.447" L x 0.183" W (11.35mm x 4.65mm)
Height - Seated (Max)	0.138" (3.50mm)

ECS-100-18-4	ECS Inc., 10MHz ±30ppm Crystal 18pF 60 Ohms HC-49/US, HC-49US	View
ECS-110.5-S-4	ECS Inc., 11.0592MHz ±30ppm Crystal Series 60 Ohms HC-49/US, HC-49US	View
HC-49/U-S25000000ABJB	Citizen Finedevice Co Ltd, 25MHz ±30ppm Crystal 18pF 50 Ohms HC-49/US, HC49US	View
ECS-121-S-4	ECS Inc., 12.096MHz ±30ppm Crystal Series 60 Ohms HC-49/US, HC-49US	View
HC-49/U-S7372800ABJB	Citizen Finedevice Co Ltd, 7.3728MHz ±30ppm Crystal 18pF 100 Ohms HC-49/US, HC49US	View
ECS-180-20-4	ECS Inc., 18MHz ±30ppm Crystal 20pF 40 Ohms HC-49/US, HC-49US	View
ECS-143-20-4	ECS Inc., 14.31818MHz ±30ppm Crystal 20pF 40 Ohms HC-49/US, HC-49US	View
ECS-95.4-S-4	ECS Inc., 9.545MHz ±30ppm Crystal Series 60 Ohms HC-49/US, HC-49US	View
ECS-143-S-4	ECS Inc., 14.31818MHz ±30ppm Crystal Series 40 Ohms HC-49/US, HC-49US	View
ECS-120-S-4	ECS Inc., 12MHz ±30ppm Crystal Series 60 Ohms HC-49/US, HC-49US	View
ECS-73-S-4	ECS Inc., 7.3728MHz ±30ppm Crystal Series 80 Ohms HC-49/US, HC-49US	View
ECS-250-18-4-F	ECS Inc., 25MHz ±30ppm Crystal 18pF 30 Ohms HC-49/US, HC-49US	View

ECS-65-20-4

Part NumberECS-65-20-4