Rainbow Electronics KX-3Н User Manual
Quartz crystals, Hc-49/u3h, Low profile

GEYER ELECTRONIC Lochhamer Schlag 5 82166 Gräfelfing/München 
Tel. 089/546868-0 Fax 089/546868-91 [email protected] 
20.07.2005
QUARTZ CRYSTALS
HC-49/U3H (
low profile
)
model
KX - 3H
frequency range
3,20 ~ 70 MHz
holder type
HC-49/U3H
mode fundamental,
3
rd
overtone
operating temperature
 standard -20° ~ + 70°C 
 available -40° ~ + 85°C (= KX-3HT) 
 available -40° ~ +105°C (= KX-3HE) 
frequency tolerance 
at +25°C 
standard ± 30 ppm
available ±10 ~ ± 30 ppm
temperature tolerance 
at -20° ~ + 70°C 
at -40° ~ + 85°C 
at -40° ∼ +105°C 
 
 standard ± 50 ppm , 
available ± 15 ~ ±
50 ppm
 standard ± 100 ppm , available ± 25 ~ ± 100 ppm 
 standard ± 120 ppm , available ± 35 ~ ± 120 ppm 
load capacitance CL
standard: 16 pF, avail. 12 ~ 20 pF
 
 
series resonance R1 max. 
fundamental
3,5 ~ 3,99 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 ~ 40,0 MHz
50 Ohm
3
rd
overtone
35,0 ~ 39,99
MHz 100 Ohm
40,0 ~ 49,99
MHz
80 Ohm
50,0 ~ 70,0 MHz
50 Ohm
aging (first year)
± 5 ppm
shunt capacitance Co max.
7 pF
drive level mW
0,1
lead-free
started from date code July, 2005
order no.
12.84100 ~ 12.84999
