Specifications subject to change without notice

Revision 5/11/06 H

A Series Crystal

HC-49/U Thru-Hole Crystal

RoHS Compliant Available

Wide Frequency Range

AT Cut

Resistance Weld

ELECTRICAL SPECIFICATIONS:

ESR CHART:

Frequency Range

1.8432MHz to 200.000MHz

Frequency Tolerance /

Stability

(See Part Number Guide for Options)

Operating Temperature

Range

(See Part Number Guide for Options)

Storage Temperature

-55°C to +125°C

Aging

±5ppm / first year Max

Shunt Capacitance

7pF Max

Load Capacitance

20pF Standard

(See Part Number Guide for Options)

Equivalent Series Resistance

See ESR Chart

Mode of Operation

Drive Level

2mW Max

Shock

MIL-STD-883, Meth 2002, Cond B

Solderability

MIL-STD-883, Meth 2003

Solvent Resistance

MIL-STD-202, Meth 215

Vibration

MIL-STD-883, Meth 2007, Cond A

Gross Leak Test

MIL-STD-883, Meth 1014, Cond C

Fine Leak Test

MIL-STD-883, Meth 1014, Cond A

Frequency Range

ESR (Ohms)

Mode / Cut

1.8432MHz to 1.999MHz

800 Max

Fund / AT

2.000MHz to 2.399MHz

550 Max

Fund / AT

2.400MHz to 2.999MHz

350 Max

Fund / AT

3.000MHz to 3.199MHz

250 Max

Fund / AT

3.200MHz to 3.499MHz

200 Max

Fund / AT

3.500MHz to 3.599MHz

150 Max

Fund / AT

3.600MHz to 3.999MHz

120 Max

Fund / AT

4.000MHz to 4.999MHz

100 Max

Fund / AT

5.000MHz to 5.999MHz

70 Max

Fund / AT

6.000MHz to 40.000MHz

40 Max

Fund / AT

24.000MHz to 75.000MHz

40 Max

75.001MHz to 200.000MHz

100 Max

MECHANICAL DETAIL:

MARKING:

13.21 [.520]

MAX

0.43 [.017]

4.70 [.185]

MAX

11.20 [.441]

MAX

4.88 [.192]

DIMENSIONS IN BRACKETS ARE IN INCHES

M XX.XXX

SYMCCL

13.46 [.530]

MAX

Line 1: MXX.XXX

XX.XXX = Frequency in MHz

Line 2: SYMCCL

S = Internal Code

YM = Date Code (Year/Month)

CC = Crystal Parameters Code

L = Denotes RoHS Compliant

PART NUMBER GUIDE:

RoHS Compliant

Blank = Not Compliant

F = Is Compliant

Load Capacitance

S = Series

20 = 20pF (Standard)

XX = XXpF (8pF to 50pF)

Temperature

Tolerance/Stability*

A = ±50 ppm / ±100 ppm

B = ±30 ppm / ±50 ppm

C = ±15 ppm / ±30 ppm

D = ±10 ppm / ±15 ppm

E = ±50 ppm / ±50 ppm

N = ±10 ppm / ±10 ppm

Mode of Operation

1 = Fundamental

3 = 3rd Overtone

5 = 5th Overtone

Value Added Options

Blank = No Added Options

I = Mylar Insulator Tab

L = 3rd Lead (Top of Can)

3 = 3 Lead Base

G = Gull-Wing

CLXXX = Cut Leads

XXX = Lead Length Code

Frequency

A

* Please consult with MMD sales department for any other parameters or options.

** Not all Frequency Tolerance/Stability options available at this temperature range.

Operating Temperature

A = 0°C to +70°C

B = -20°C to +70°C

C = -40°C to +85°C **

HC-49/U

MMD Components, 30400 Esperanza, Rancho Santa Margarita, CA, 92688

Sales@mmdcomp.com