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ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
CRYSTALS CRYSTALS
10.5 Max.
11.35 Max.
4.88
10.5 Max.
12.7
optional 20.0
H
0.43
4.65 Max.
3.7 Max.
This product represents our selection
of low profile resistance weld type
quartz crystals.
OPTIONS:
– extended temperature range
– tighter tolerances
– mylar spacer
– 3rd in line lead base
– radial tape and reel (1,000 pcs)
FEATURES
•
Cost effective
•
Excellent aging
•
Wide frequency range
• Low profile
• Excellent reliability
• “AT strip” blank technology
HC-49US QUARTZ CRYSTAL
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PACKAGE DIMENSIONS (mm)
PARAMETERS CONDITIONS MINIMUM MAXIMUM UNITS
FREQUENCY RANGE fo3.57 70.000 MHz
FREQUENCY TOLERANCE @ +25˚C ±30 PPM
Standard -10 ~ +70˚C ±50 PPM
FREQUENCY STABILITY, ref @ 25˚C “DN” Option -40 ~ +85˚C ±100 PPM
Standard -10 ±70 ˚C
OPERATING TEMPERATURE DN option -40 +85 ˚C
STORAGE TEMPERATURE -40 +105 ˚C
SHUNT CAPACITANCE C07.0 pF
LOAD CAPACITANCE CL (Customer Specified) 10.0 Series pF
DRIVE LEVEL 3.57 ~ 70.000MHz 0.5 mW
AGING (FIRST YEAR) @ +25˚C ±5.0 PPM
FREQUENCY RANGE (MHz) MODE MAX ESR ΩFREQUENCY RANGE (MHz) MODE MAX ESR Ω
3.570 ~ 3.999 Fundamental 200 9.000 ~ 12.999 Fundamental 60
4.000 ~ 4.999 Fundamental 150 13.000 ~ 19.999 Fundamental 40
5.000 ~ 5.999 Fundamental 120 20.000 ~ 30.000 Fundamental 30
6.000 ~ 6.999 Fundamental 100 27.000 ~ 70.000 3rd O/T 100
7.000 ~ 8.999 Fundamental 80
Figure 1) HC-49US - Top and Side views
10.5 Max.
11.35 Max.
4.88
3.80 Max.
11.35 Max.
Grounded to Holder
12 Min. 3.5 Max.
5.0 Max.
0.43
Figure 2) HC-49US - 3rd In Line Lead Base – Side & Bottom View
PART NUMBERING GUIDE
“EXAMPLE “
FREQUENCY (16.0000 MHz) LOAD CAPACITANCE* PACKAGE TYPE**
ECS –160 –20 –4
* Load capacitance (xx=xx pF, S= series resonance), ** Package Type examples (4= 3.5mm max. height, 4L= 2.5mm max. height)
For extended temp range of -40 to +85˚C ad -DN suffix for example ECS-160-20-4-DN
Note: See Product Selection Guide for additional options.
+ 30
- 30
- 10
25 60
f/f
0
PPM
TEMP.(˚C)
Figure 3) Frequency vs Temperature Curve
EQUIVALENT SERIES RESISTANCE / MODE OF OSCILLATION
Height “H” (max.)
-4 3.5 mm
-4L 2.5 mm
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
ECS:
ECS300-S-4-F ECS-98.3-20-4 ECS-120.003-18-4 ECS-162.5-S-4 ECS-122.8-20-4 ECS-110.5-S-4 ECS-180-20-4
ECS-115.2-S-4 ECS-162.5-20-4 ECS-59.9-20-4 ECS-110.5-32-4 ECS-245.7-20-4 ECS-196.6-S-4 ECS-100-18-4
ECS-107.3-S-4 ECS-76.8-20-4 ECS-147.4-S-4 ECS-184-18-4 ECS-204.8-20-4 ECS-122.8-S-4 ECS-196.6-20-4
ECS-110.5-20-4 ECS-119.8-S-4 ECS-240.001-18-4 ECS-147.4-20-4 ECS-160.003-18-4 ECS-92.1-20-4 ECS-250-
18-4-F-3IL ECS-80-18-4-31L ECS-250-15-4-FX ECS-184-S-4 18.432 MHZ ECS-115.2-18-4B ECS-17.1776-20-4
