ECS HC-49USX Data Sheet

 Cost effective
 Low profile
 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

3.57

10

-10

-55

EQUIVALENT SERIES RESISTANCE/MODE OF OSCILLATION

HC-49USX

Quartz Crystal

The HC-49USX is the low profile resistance weld type Thru Hole
quartz crystal.

HC-49USX

20

MAX

70.000
± 30
± 50

7

Series

500
+70

+125

±5

UNITS

MHz
ppm
ppm

pF
pF

µW

°C
°C

ppm

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

3.57 ~ 3.999

4.000 ~ 4.999

5.000 ~ 5.999

6.000 ~ 6.999

7.000 ~ 8.999

Fundamental
Fundamental
Fundamental
Fundamental
Fundamental

200
150
120
100

80

PACKAGE DIMENSIONS (mm)

Height "H" MAX

-4X

3.5 mm

2.5 mm-4LX

9.000 ~ 12.999

13.000 ~ 19.999

20.000 ~ 30.000

27.000 ~ 70.000

Fundamental
Fundamental
Fundamental
3rd Overtone

60
40
30

100

Figure 1) Side and Top views Figure 2) HC-49USX (-4X-3IL) 3rd In Line Lead Base

Side, Bottom and End View.

PART NUMBERING GUIDE: Example ECS-200-20-4X

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

4X = 3.5 mm

4LX = 2.5 mm

4X-3IL =3rd

In Line Lead Base

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