Rainbow Electronics KX-20 User Manual
Quartz crystals, Mhz range smd-version

06.11.2005
QUARTZ CRYSTALS
MHz range SMD-version
model
KX - 20
frequency range
3,579545 ~ 25,0 MHz
mode fundamental,
3
rd
overtone
operating temperature
 standard -20° ~ + 70°C 
 available -40° ~ + 85°C (= KX-20T) 
 available -40° ~ +105°C (= KX-20E) 
frequency tolerance at +25°C
± 50 ppm
temperature tolerance 
at -20° ~ + 70°C 
at -40° ~ + 85°C 
at -40° 
∼ +105°C
± 50 ppm
± 100 ppm 
± 120 ppm 
load capacitance CL
 standard 16 pF 
 available 12 ~ 20 pF 
series resonance 
R1 max. 
 fundamental 3,5 ~ 3,9 MHz 150 Ohm 
 4,0 ~ 5,99 MHz 120 Ohm 
 6,0 ~ 7,99 MHz 80 Ohm 
 8,0 ~ 9,99 MHz 60 Ohm 
 10,0 ~ 45,0 MHz 50 Ohm 
 3
rd
overtone 32,0 ~ 70,0 MHz 100 Ohm
aging ( first year )
± 5 ppm
shunt capacitance Co max.
7,0 pF
drive level in mW
0,1
contens of reel
2000 pcs.
lead-free
since production start
order no.
12.87500~12.87799
