QUARTZ
CRYSTALS
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
HC49 CRYSTALS
ISSUE 13; 1 NOVEMBER 2008 - RoHS 2002/95/EC
Holder Style
Resistance welded, hermetically sealed in an inert
▪atmosphere with glass to metal seals securing the lead wires
Holders sufxed -3L have a centre third wire which grounds
▪the case
Holder HC49-T has a truncated height of 11.1mm max
▪
General Specications
Load Capacitance (CL): 10pF to 75pF or Series
▪
Drive Level: 1mW max.
▪
Static Capacitance (C0): 7pF max.
▪
Ageing: ±3ppm typical per year
▪
Packaging
Loose in bulk pack or tape and reel
▪
Standard Frequency Tolerances and Stabilities
±5ppm, ±10ppm, ±15ppm, ±20ppm, ±30ppm, ±50ppm,
▪±100ppm
Operating Temperature Ranges
0 to 50°C
▪
–10 to 60°C
▪
–20 to 70°C
▪
–30 to 80°C
▪
–40 to 85°C
▪
–55 to 105°C
▪
–55 to 125°C
▪
Storage Temperature Range
–55 to 125°C
▪
Environmental Specication
Shock: 981m/s
▪2 for 6ms, three shocks in each
direction along three mutually perpendicular planes
Vibration: 10 to 60Hz 0.75mm displacement, 60 to
▪500Hz 98.1m/s2 acceleration, 30 minutes in each of
three mutually perpendicular planes
Marking Includes
Frequency
▪
Minimum Order Information Required
Frequency + Holder + Frequency Tolerance @ 25°C +
▪Frequency Stability + Operating Temperature Range +
Circuit Condition + Overtone Order
Outline (mm) - HC49 & HC49-3L
10.2
13.46 max
Pin connections
1. Crystal
2. Case & GND
3. Crystal
1 2 3
12.7 min
4.88
4.65
11.05
Ø0.45 Ø0.45
12.7 min
11.05
4.65
4.88
13.46 max
10.2
= =
Typical Frequency vs Temperature Curves for various
angles of AT-cut crystals
–25
Temperature (°C)
–50
0
+25
+100
+25 +70–20
f/f
0
(ppm)
Δ
Typical Frequency vs Temperature Curves for various
angles of BT-cut crystals
–50
Temperature (°C)
–50
+10
+100
+25 +70–20
0
f/f
0
(ppm)
Δ
QUARTZ
CRYSTALS
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
Electrical Specications - maximum limiting values
Frequency Range Frequency Tolerance
@25°C ±2°C
Operating Temperature
Range
Frequency Stability Available Over
Operating Temperature Range
ESR
Max
Vibration
Mode
Minimum Maximum
1.84320 to <2.0MHz
(For lower frequencies,
please contact our
sales office)
±5ppm to ±100ppm 0 to 50°C ±15ppm ±200ppm 800Ω Fundamental
AT cut
–10 to 60°C ±20ppm
–20 to70°C ±20ppm
–30 to 80°C ±25ppm
–40 to 85°C ±30ppm
–55 to 105°C ±50ppm
–55 to 125°C ±100ppm
2.0 to <3.0MHz ±5ppm to ±100ppm 0 to 50°C ±15ppm ±200ppm 600Ω Fundamental
AT cut
–10 to 60°C ±20ppm
–20 to70°C ±20ppm
–30 to 80°C ±25ppm
–40 to 85°C ±30ppm
–55 to 105°C ±50ppm
–55 to 125°C ±100ppm
3.0 to <4.0MHz ±5ppm to ±100ppm 0 to 50°C ±15ppm ±200ppm 150Ω Fundamental
AT cut
–10 to 60°C ±20ppm
–20 to70°C ±20ppm
–30 to 80°C ±25ppm
–40 to 85°C ±30ppm
–55 to 105°C ±50ppm
–55 to 125°C ±100ppm
4.0 to <7.0MHz ±5ppm to ±100ppm 0 to 50°C ±15ppm ±100ppm 100Ω Fundamental
AT cut
–10 to 60°C ±20ppm
–20 to70°C ±20ppm
–30 to 80°C ±25ppm
–40 to 85°C ±30ppm
–55 to 105°C ±50ppm
–55 to 125°C ±100ppm
7.0 to <10.0MHz ±5ppm to ±100ppm 0 to 50°C ±15ppm ±100ppm 50Ω Fundamental
AT cut
–10 to 60°C ±20ppm
–20 to70°C ±20ppm
–30 to 80°C ±25ppm
–40 to 85°C ±30ppm
–55 to 105°C ±50ppm
–55 to 125°C ±100ppm
QUARTZ
CRYSTALS
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
Frequency Range Frequency Tolerance
@25°C ±2°C
Operating Temperature
Range
Frequency Stability Available Over
Operating Temperature Range
ESR
Max
Vibration
Mode
Minimum Maximum
10.0 to 36.0MHz ±5ppm to ±100ppm 0 to 50°C ±15ppm ±100ppm 35Ω Fundamental
AT cut
–10 to 60°C ±20ppm
–20 to70°C ±20ppm
–30 to 80°C ±25ppm
–40 to 85°C ±30ppm
–55 to 105°C ±50ppm
–55 to 125°C ±100ppm
20.0 to 45.0MHz ±5ppm to ±100ppm 0 to 50°C ±15ppm ±100ppm 35Ω Fundamental
BT cut
-10 to 60°C ±20ppm
-20 to 70°C ±20ppm
-30 to 80°C ±25ppm
-40 to 85°C ±30ppm
-55 to 105°C ±50ppm
-55 to 125°C ±100ppm
21.0 to 90.0MHz ±5ppm to ±100ppm 0 to 50°C ±15ppm ±100ppm 40Ω 3rd Overtone
AT cut
-10 to 60°C ±20ppm
-20 to 70°C ±20ppm
-30 to 80°C ±25ppm
-40 to 85°C ±30ppm
-55 to 105°C ±50ppm
-55 to 125°C ±100ppm
45.0 to 135.0MHz ±5ppm to ±100ppm 0 to 50°C ±15ppm ±100ppm 35Ω 3rd Overtone
BT cut
-10 to 60°C ±20ppm
-20 to 70°C ±20ppm
-30 to 80°C ±25ppm
60.0 to 150.0MHz ±5ppm to ±100ppm 0 to 50°C ±10ppm ±100ppm 70Ω 5th Overtone
AT cut
-10 to 60°C ±15ppm
-20 to 70°C ±15ppm
-30 to 80°C ±20ppm
-40 to 85°C ±25ppm
-55 to 105°C ±50ppm
-55 to 125°C ±50ppm
90.0 to 225.0MHz ±5ppm to ±100ppm 0 to 50°C ±10ppm ±100ppm 5th Overtone
BT cut
-10 to 60°C ±10ppm
-20 to 70°C ±10ppm
-30 to 80°C ±20ppm
QUARTZ
CRYSTALS
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
Frequency Range Frequency Tolerance
@25°C ±2°C
Operating Temperature
Range
Frequency Stability Available Over
Operating Temperature Range
ESR
Max
Vibration
Mode
Minimum Maximum
85.0 to 210.0MHz ±5ppm to ±100ppm 0 to 50°C ±5ppm ±100ppm 100Ω 7th Overtone
AT cut
-10 to 60°C ±5ppm
-20 to 70°C ±10ppm
-30 to 80°C ±20ppm
-40 to 85°C ±25ppm
-55 to 105°C ±50ppm
-55 to 125°C ±50ppm
125.0 to 300.0MHz ±5ppm to ±100ppm 0 to 50°C ±50ppm ±100ppm 7th Overtone
BT cut
-10 to 60°C ±50ppm
-20 to 70°C ±100ppm
-30 to 80°C ±100ppm
110.0 to 270.0MHz ±5ppm to ±100ppm 0 to 50°C ±5ppm ±100ppm 150Ω 9th Overtone
AT cut
-10 to 60°C ±5ppm
-20 to 70°C ±10ppm
-30 to 80°C ±20ppm
-40 to 85°C ±25ppm
-55 to 105°C ±50ppm
-55 to 125°C ±50ppm
Note: For other frequency/specification combinations, please contact our sales office