Tuning Fork Crystal Unit (kHz range)


RoHS Compliant Directive 2011/65/EU Directive(EU)2015/863

Pb free


・Specially controlled medical devices / equipment


Compact, thin, and light weight tuning fork crystal unit
・High quality has been achieved through process design compatible with specially controlled medical devices.
 Japan(PMDA) : Class III
 USA(FDA) : Class II
 Europe(MDR) : Class IIb
・Excellent heat resistance and environmental resistance performance ensure high reliability.
・Reflow temperature profile (Available for lead free soldering)

Item Symbol Value Unit
Nominal frequency fnom 32.768 kHz
Package size (L×W×H) - 3.2×1.5×0.8 mm
Load capacitance CL
6.0 9.0 12.5
Frequency tolerance (@ +25°C) - ±20 ppm
Turnover temperature - +25 ± 5 °C
Parabolic coefficient - Max. -0.04 ppm/°C2
Operating temperature range Topr -40 to +125
Storage temperature range Tstr -40 to +125
Level of drive - Typ. 0.1 (Max. 0.5) µW
Equivalent series resistance Rr

Max. 80

Insulation resistance - Min. 500
Airtightness - Max. 1.1ppb Pa m3/s
Specification number -

The specifications listed are our standard specifications. Please inform "Model", "Frequency" and "Specification number" when inquiring or placing an order. Specifications other than those listed above are also available, so please do not hesitate to contact us.

External dimensions