Quartz Crystal Resonators
LOW PROFILE RESISTANCE WELD THRU-HOLE PACKAGE - HC49S & HC49SS Series
FEATURES
RoHS Compliant (Pb-Free), Low Profile, 3.6 mm Maximum Height
AT-cut Crystal, Excellent Aging, Extended Temperature Range
Industry Standard Package, Same Pin Layout as HC-49/U
Low Cost, Popular Microprocessor Crystals, Various Options
SPECIFICATIONS
Frequency Range
Resonance Mode
Package Option
Calibration Tolerance @25°C
Frequency Stability Ref @25°C
Temperature Range
Crystal Aging
Storage Temperature
Load Capacitance (CL)
Shunt Capacitance
Drive Level
Pullability (option)
Creating a Part Number
Product Series
Frequency
Resonance Mode: 1 = Fundamental
3 = 3rd Overtone
5 = 5th Overtone
3.500 MHz to 70.000 MHz
1 = Fundamental (3.5 to 32 MHz); 3 = 3rd Overtone (27 to 70 MHz)
HC49S = HC-49/US, 3.6 mm Height; HC49SS = HC-49/US, 2.5 mm Height
A = ±50 ppm; B = ±30 ppm; C = ±20 ppm; D = ±15 ppm; E = ±10 ppm
100 = ±100 ppm; 50 = ±50 ppm; 30 = ±30 ppm
A = 0°C to 70°C; B = -40°C to 85°C; C = -10°C to 60°C; D = -20°C to 70°C
±5 ppm / year Maximum
-55°C to 125°C
CL = 18 pF (Standard), 16 pF, 20 pF, others, or S = Series resonant
7 pF Maximum
0.1 mW Typical, 1 mW Maximum
May be specified in terms of frequency shift over a certain range of CL
HC49S-16M000-1 B 50 D 18 -options
Load Capacitance: 18, 16, 20, S = Series resonant
Operating Temperature Range: A = 0 to 70°C
Frequency Stability:
Tolerance at 25°C:
A = ±50 ppm
B = ±30 ppm
C = ±20 ppm
100 = ±100 ppm
50 = ±50 ppm
30 = ±30 ppm
B = -40 to 85°C
G = -10 to 70°C
Equivalent Series Resistance
Frequency (MHz)
3.500 - 3.999
4.000 - 4.999
5.000 - 5.999
6.000 - 6.999
7.000 - 8.999
9.000 - 12.999
13.000 - 15.999
OUTLINE DRAWING
3.6 MAX
Mode
Fund
Fund
Fund
Fund
Fund
Fund
Fund
Max ESR (Ohms)
200
150
120
100
80
60
50
Frequency (MHz)
16.000 - 19.999
20.000 - 32.000
27.000 - 70.00
Mode
Fund
Fund
3rd O/T
Max ESR (Ohms)
40
30
100
11.35 MAX
4.85 MAX
12.0 MIN
0.43
±
0.05
4.88
±
0.2
0.43
±
0.05
All dimensions are typical unless otherwise specified
Dimensions in Millimeters
www.4timing.com
c
2001-2007 Fortiming Corp. USA
12.0 MIN
2.5 MAX
HC49S
HC49SS
