DS-121 REV C December 1998

1.5

HC-49/U Series

Quartz Crystal

SaRonix

Technical Data

HC-49/U

Frequency Range:

1.8432 MHz to 200 MHz

Description

The HC-49/U Series is an industry stan-

dard AT cut crystal housed in a Mil

standard HC-49/U package.

ACTUAL SIZE

Applications & Features

Package Details

Temperature Range:

Operating:

Storage:

-20 to +70°C (-40 to +85°C available)

-55 to +125°C

Temperature

Stability Tolerance:

±50 ppm from -20 to +70°C

Characteristics at 25°C ±2°C:

±30 ppm (tighter tolerances available)

18pF to 32pF or series resonance

700 to 20 ohms (frequency dependent)

0.5mW correlation, 2.0mW maximum operating

7pF maximum

Frequency Calibration

Tolerance:

Load Capacitance:

Effective Series

Resistance:

Drive Level:

Shunt Capacitance:

Mechanical:

MIL-STD-883, Method 2002, Condition B

MIL-STD-883, Method 2003

MIL-STD-202, Method 211, Conditions A and C

MIL-STD-883, Method 2007, Condition A

MIL-STD-202, Method 215

MIL-STD-202, Method 210, Condition B

Shock:

Solderability:

Terminal Strength:

Vibration:

Solvent Resistance:

Resistance to Soldering Heat:

Environmental:

Gross Leak Test:

Fine Leak Test:

Thermal Shock:

Moisture Resistance:

MIL-STD-883, Method 1014, Condition C

MIL-STD-883, Method 1014, Condition A

MIL-STD-883, Method 1011, Condition A

MIL-STD-883, Method 1004

13.46

.530

12.7

.500

min

4.65

.183

.46

.018

Industry standard package

AT cut performance

Resistance weld seal

•

•

•

Part Numbering Guide

N Y P XXX - XX ( – )

Option

(L)

(N)

(I)

= 3rd lead

= No sleeving*

= Insulating pad

Load Capacitance

(If blank, crystal is

series resonant.)

Type

M = Series

Y = Parallel

Frequency

10.25

.404

max*

max*

*Maximum dimensions include vinyl sleeve

Scale: None ( Dimensions in

)

mm

inches

4.0

.157

max*

unless ordered without and designated (N).

max*

4.88

.192

max*

11.18

.440

SaRonix

141 Jefferson Drive • Menlo Park, CA 94025 • USA • 650-470-7700 • 800-227-8974 • Fax 650-462-9894