ECS HC-49UX Data Sheet

 Cost effective
 Excellent Aging
 "AT" cut crystal
 Wide frequency range
 Pb Free/RoHS Compliant

OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS

PARAMETERS CONDITIONS

Frequency Range
Frequency Tolerance
Frequency Stability ref @ 25°C
Shunt Capacitance
Load Capacitance (CL)
Drive Level
Operating Temperature
Storage Temperature
Aging (First Year)

Standard -10 to +70°C

fo

at +25°C

Co

Specify in P/N

Standard

@ +25°C ±3°C

MIN TYP

1.800

10

-10

-55

EQUIVALENT SERIES RESISTANCE/MODE OF OSCILLATION

HC-49UX

Quartz Crystal

The HC-49UX is an "AT" cut resistance weld type Thru Hole
quartz crystal.

HC-49UX

20

MAX

100.00
± 30
± 50

7

Series

1.0

+70

+125

±5

UNITS

MHz
ppm
ppm

pF
pF

mW

°C
°C

ppm

FREQUENCY RANGE (MHz) FREQUENCY RANGE (MHz) MODE OF OSCMODE OF OSC MAX ESR ΩMAX ESR Ω

1.800 ~ 1.999

2.000 ~ 2.399

2.400 ~ 2.999

3.000 ~ 3.199

3.200 ~ 3.699

3.700 ~ 4.199

4.200 ~ 4.899

4.900 ~ 4.999

Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental

750
500
300
200
120
100

70
55

PACKAGE DIMENSIONS (mm)

5.000 ~ 5.999

6.000 ~ 7.999

8.000 ~ 9.999

10.000 ~ 12.499

12.500 ~ 15.999

16.000 ~ 30.000

30.000 ~ 100.000

Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd Overtone

50
40
35
30
25
20
40

Figure 1) Side and Bottom views

PART NUMBERING GUIDE: Example ECS-200-20-1X

ECS - Frequency Abbreviation - Load Capacitance - Package Tolerance Stability Temp Range

200 = 20.000 MHz

See P/N Guide

1105 South Ridgeview Road z Olathe, KS 66062 z Phone: [phone] z Fax: [phone] z www.ecsxtal.com

20 =20 pF

S=Series

1X = HC-49UX A= ±25 ppm

C= ±10 ppm

Custom Options

D= ±100 ppm

E= ±50 ppm
G= ±30 ppm
H= ±25 ppm
K= ±10 ppm

L= -10 ~ +70°C
M= -20 ~ +70°C
N= -40 ~ +85°C

P= -40 ~ +105°C
S= -40 ~ +125°C

U= -55 ~+125°C