SMD Quartz Crystal
Series Number Package Description Last Modified
203 HC-49U Gull Wing SMD Quartz Crystal Jan. 01 2002
.
FEATURES
- 1.8 MHz to 85 MHz frequency range
- Small footprint for critical space applications
- Resistance weld enclosure
- Low profile
- Tape and Reel
.
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS CHARACTERISTICS UNITS
Frequency Range fO 1.80 ~ 85.0 MHz
Frequency Tolerance Ref @ +25ºC ±10 ~ 50 PPM
Frequency Stability Ref @ +25ºC ±10 ~ 50 PPM
Operating Temperature TOPR -10 ~ +60 (STD) ºC
Storage Temperature TSTG -40 ~ +85 (STD) ºC
Shunt Capacitance CO 7.0 max. pF
Load Capacitance CL (Customer Specified) 16, 20, 30, Series pF
Drive Level DL 0.1 ~ 1000.0 µW
Insulation Resistance @ 100 VDC 500 min. MoHm
.
MODE OF OSCILLATION AND EQUIVALENT SERIES RESISTANCE
FREQUENCY RANGE (MHz) MODE MAX ESR Ohm
1.8432.0 ~ 2.9 Fundamental 600
3.0 ~ 3.4 Fundamental 150
3.5 ~ 4.9 Fundamental 100
5.0 ~ 6.9 Fundamental 60
FREQUENCY RANGE (MHz) MODE MAX ESR Ohm
7.0 ~ 9.9 Fundamental 50
10.0 ~ 20.0 Fundamental 30
20.1 ~ 27.0 Fund. / 3rd O/T 30 / 60
27.1 ~ 75.0 3th Overtone 60
. .
.
PART NUMBER GUIDE
Series
Number		 Frequency Load Capacitance Tolerance @ +25oC Tolerance Over
Temp ( oC )		 Operating 
Temp ( oC )
203 - 10.0M - SR - 25 G T
Oscilent
HC-49U
Surface Mount Crystal
Enter desired frequency e.g. 12.0M for 12.000 MHz. See table below for standard frequencies. See table below for standard load capacitances and enter your required load capacitance. e.g. 20 = 20pF Enter SR for Series
Blank * = ±30 PPM
50 = ±50 PPM
20 = ±20 PPM
15 = ±15 PPM
10 = ±10 PPM
Blank* =  ±50 PPM
G =  ±30 PPM
H= ±20 PPM
K =  ±15 PPM
L =  ±10 PPM
Blank* =  -10~+60
S =  -20~+70
T = -30~+80
W = -40~+85
NOTE: - Deviations on all parameters available.  Please consult Oscilent for details.
DEFINITIONS: - Click on the characteristic names above, for definitions of the particular characteristic.
*STANDARDS: - "Blank" part number selections, indicate standard variables for the particular characteristic.
**PACKAGING: - Add -TR for Tape/Reel. Click here for tape/reel specifications
.
STANDARD FREQUENCIES / LOAD CAPACITANCE - FOR GUIDE ONLY / OTHER FREQ/LOADS AVAILABLE
FREQUENCY
(MHz)		 LOAD (pF)
Series 12 13 16 17 18 20 30
1.8432 Std. - - - - - - Std.
2.000 Std. - - - - - Std. Std.
2.048 - - - - - - - -
2.4576 - - - - - - Std. Std.
2.500 Std. - - - - - - -
3.000 Std. - - - - - - -
3.2768 - - - - - - - -
3.579545 Std. - - - - - - -
3.6864 Std. - - - - - - -
3.93216 - - - - - - - -
4.000 Std. - - - - - Std. -
4.032 Std. - - - - - Std. -
4.096 - - - - - - Std. -
4.194304 - - - - - - - -
4.433618 - - - - - - Std. -
4.9152 Std. - - - - - Std. -
5.000 Std. - - - - - Std. -
5.0688 Std. - - - - - Std. -
5.185 Std. - - - - - - Std.
5.9904 Std. - - - - - Std. -
6.000 Std. - - - - - - Std.
6.144 - - - - - - - Std.
6.5536 - - - - - - - -
7.3728 Std. - - - - - Std. -
7.680 - - - - - - Std. -
8.000 Std. - - - - - Std. Std.
8.192 Std. - - - - - - -
9.216 Std. - - - - - Std. -
9.8304 Std. - - - - - Std. -
10.000 Std. - - - - - - -
10.738635 Std. - - - - - - -
11.000 Std. - - - - - - -
11.046 Std. - - - - - - -
11.0592 Std. - - - - - Std. Std.
11.228 Std. - - - - - - -
11.520 Std. - - - - - - -
11.98135 Std. - - - - - - -
12.000 Std. - - - - - Std. Std.
12.000393 - - - - - - - -
12.096 Std. - - - - - - -
12.288 Std. - - - - - Std. -
13.5168 Std. - - - - - - -
14.31818 Std. - - - - - Std. -
14.690 Std. - - - - - - -
14.7456 Std. - - - - - Std. -
15.000 Std. - - - - - - -
16.000 Std. - - - - - Std. -
16.000312 - - - - - - - -
18.000 Std. - - - - - Std. -
18.432 Std. - - - - - Std. -
19.6608 Std. - - - - - Std. -
20.000 Std. - - - - - Std. -
22.1184 Std. - - - - - - -
24.000(F) Std. - - - - - Std. -
24.00014 (F) - - - - - - - -
35.2512 (OT) - - - - - - - -
38.00053 (OT) - - - - - - - -
40.32 (OT) - - - - - - - -
48.00 (OT) Std. - - - - - - -
49.86 (OT) - - - - - - Std. -
FREQUENCY
(MHz)		 Series 12 13 16 17 18 20 30
LOAD (pF)
F = Fundamental | OT = 3RD Overtone
NOTE: Other frequencies and load capacitance available.  Please consult Oscilent for part numbers.
Series No.:
203

Crystal Oscillators | Quartz Crystal | TCXO | VCXO | IF SAW Filter | RF SAW Filter | Ceramic Resonator
Crystal Filter | Ceramic Filter | SAW Filter / SAW Devices | Site Map