NKS7 32S12 NCS 49SMLB / 49SUB
KEY FEATURES UNITS SMT LOW PROFILE REAL TIME FREQUENCY SMT SMALL SMT LOW
SMALL CERAMIC PACKAGE SMT / 32.768kHz MOLDED PACKAGE PROFILE
Frequency Range MHz 8 - 72 32.768 kHz 3.5 - 70 35 - 66.6667
Frequency Tolerance @ 25ƒC ± ppm 50 20 30 or 50 50*
Frequency Stability:
Over Operating Temp Range ± ppm 50 - 30 or 50 50*
Turnover Temperature ƒC ó 25 ± 5 - -
Temp Characteristic - K ppm / ƒC2 ó -.038 typ - -
Load Capacitance - CL pF 16 to series 12.5 16 to Series 10 to Series
Series resistance - RS W 30 to 60 max 50k max 50 to 250 Note 1
Motional Capacitance - C1 pF Note 1 .002 typ Note 1 Note 1
Shunt Capacitance - CO pF 7 max 1.0 typ 7 max 7 max
Drive Level µW 500 max 1 max 500 max 500 max
Temperature Range:
Operating ƒC -10 to +60 -20 to +70 -20 to +70 -20 to +70
Storage ƒC -40 to +85 -30 to +80 -40 to +85 -55 to +125
Aging first year ± ppm 5 max 3 max 5 max 5 max
Package type NKS7 32S12 NCS 49SMLB/49SUB
Note 1: Value is frequency dependent, see detailed data sheet or consult factory.
*Tighter specifications available
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HFX NTF TUBULAR 49S/49L HC49/U UM-1 (or HC45/U)
KEY FEATURES UNITS HIGH FREQUENCY REAL TIME FREQUENCY LOW PROFILE AT CUT MINIATURE HOLDER
FUNDAMENTAL AT CUT LIGHT TOLERANCE, LOW COST STANDARD HOLDER
Frequency Range MHz 60 - 200 32.768 kHz 3.5 - 66.6667 1 - 200 6 - 200
Frequency Tolerance @ 25ƒC ± ppm 25, 50 or 100 20 50* 30* 30*
Frequency Stability:
Over Operating Temp Range ± ppm 50* - 50* 50* 50*
Turnover Temperature ƒC - 25 ± 5 - - -
Temp Characteristic - K ppm / ƒC2 - -.038 typ - - -
Load Capacitance - CL pF 4 to series 9.5 to 15 typ 10 to Series 10 to Series 10 to Series
Series resistance - RS W Note 1 30k typ Note 1 Note 1 Note 1
Motional Capacitance - C1 pF Note 1 .003 typ Note 1 Note 1 Note 1
Shunt Capacitance - CO pF 3 max 1.5 typ 7 max 7 max 7 max
Drive Level µW 1 max 10 µW max 0.5 max 2.0 max 2.0 max
Temperature Range:
Operating ƒC -20 to +70 -10 to +60 -20 to +70 -20 to +70 -20 to +70
Storage ƒC -55 to +125 -30 to +70 -55 to +125 -55 to +125 -55 to +125
Aging first year ± ppm 5 10 max 5 max 5 max 5 max
Package type HFX NTF 49S/49L HC49/U UM-1
Note 1: Value is frequency dependent, see detailed data sheet or consult factory.
*Tighter specifications available
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