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RKA-1 ( 5.0-300.0 MHz )

Specifications


Quartz Crystals in all-glass enclosure



All-glass enclosure HC –26/U (KA)  Scale 2:1
PARAMETERS VALUES
Frequency range, MHz 5.0 ~ 300.0
Calibration tolerance at 25° C, Df/fn, ppm ± 1* ~ ± 15
Temperature stability, D f/fn, ppm ± 2** ~ ± 25
Operating temperature range, ° C -60 to +85 °C ±5°C from back off point
Circuit condition: series resonance or load capacitance, CL, pF On request up to 30
Equivalent series resistance, R1 see table
Shunt capacitance, Ñ0, pF 2 ~ 7
Aging, first year, D f/fn, ppm (max) ± 1*** ± 5
Drive level, mW, (max) 0,05 ... 0,5
 * at back off point
 ** ± 5 C from back off point
 *** fundamental mode up to 10MHz:
Features ESR Values
Hi Q crystal units :up to 350 000
Aging down to 1-2 ppm
Miniature package
Wide frequency range
Destination- high-end crystal oscillators

Ordering information
NOTE: Some combinations of stability and temperature range may not be available. Please check with us before ordering. See page for an explanation of specification codes.
FREQ MHz COMMENTS AT-cut R (max) Ohm
5.0 - 33.0 Fundamental 15
25.0 - 100.0 3th OT 30
100.0 - 150.0 5th OT 50
150.0 ~ 230.0 7th OT 120
230.0 ~ 300.0 9th OTà 180