SaRonix
Miniature Quartz Crystals
Ceramic SMD
NKS7Series
Technical Data
Frequency Range:
8 MHz to 30 MHz ꢀFundamentalꢁ
30 MHz to 83 MHz ꢀ3rd Overtoneꢁ
Temperature Range:
Operating:
Storage:
-20 to +70°C, -40 to +85°C available, contact SaRonix
-40 to +85°C
Temperature
StabilityTolerance:
50ppm over -20 to +70°C ꢀfor tighter tolerances contact Saronixꢁ
Characteristics @ 25°C 2°C:
Frequency Calibration
Tolerance:
Load Capacitance:
EffectiveSeriesResistance:
50ppmꢀfortightertolerancescontactSaronixꢁ
8 to 32pF, or Series Resonant
60Ω max, 8 to 16 MHz
30Ωmax, 16+ to 30MHz
80Ωmax, 30+ to 40MHz
70Ωmax, 40+ to 83MHz
100µW correlation, 500µW max
7pF max
ACTUAL SIZE
Description
Drive Level:
Shunt Capacitance:
The NKS7 Series incorporates a sub-
miniature AT-cut strip crystal resonator
housed in a standard 5x7 mm ceramic
package. These compact crystals are ideal
for surface mount, densely-populated
PCB applications.
Mechanical:
Shock:
Solderability:
Vibration:
5ppmmaxafter3dropsfrom75cmontoahardꢂoodenboard
MIL-STD-883,Method2003
5ppmmaxsinevibration10-55Hz, sꢂeepperiod1-2minutes,
amplitude1.5mm,3mutuallyperpendicularplaneseach1hour.
MIL-STD-202,Method215
Solvent Resistance:
Resistanceto SolderingHeat:
MIL-STD202, Method210, ConditionIorJ
Applications & Features
Environmental:
• Rugged AT-cut crystal construction
• Extremely small SMD package
• Ideally suited for disc drives, PCMCIA,
PC's and hand-held products
Gross Leak Test:
Fine Leak Test:
Thermal Shock:
MIL-STD-883, Method 1014, Condition C
MIL-STD-883, Method 1014, Condition A2
MIL-STD-883, Method 1011, Condition A
MIL-STD-883, Method 1004
Moisture Resistance:
• Available on tape & reel
PartNumberingGuide
NKS
7 - 120 - 20
SaRonix Series Designator
Package Type
Load Capacitance
(Blank = series resonant)
Frequency Code
7 ( 7 x 5 x 1.3 mm )
DS-115 REV E November 1998 1.13
SaRonix 141JeffersonDrive • MenloPark, CA94025 • USA • 650-470-7700 • 800-227-8974 • Fax650-462-9894