Epson Crystal Unit

PN: Q13MC1462000200, Q13MC1462000100

PN: MC-146 32.7680KA-A3, MC-146 32.7680KA-AG5

Applications: Small communication devices

Datasheet Contact Us
Parameter Table
Item Symbol Specifications Condition/Remarks
MC-146 MC-146 TYPE
Nominal frequency range f_nom 32.768kHz 32kHz to 100kHz Please contact us for inquiries
regarding available frequencies
Storage temperature T_stg -55°C to +125°C Store as bare product.
Operating temperature T_use -40°C to +85°C
Level of drive DL 1.0µW Max. Operating Drive level 0.5µW Max.
Frequency tolerance (standard) f_tol ± 20 × 10-6, ± 50 × 10-6 ± 50 × 10-6, ± 100 × 10-6 +25°C, DL=0.1µW
Turnover temperature Ti +25°C ±5°C
Parabolic coefficient B -0.04 × 10-6/ °C2 Max.
Load capacitance CL 7pF, 9pF, 12.5pF Please specify
Motional resistance (ESR) R1 65kΩ Max. 65kΩ to 25kΩ
Motional capacitance C1 1.9fF Typ. 2.5fF to 0.6fF
Shunt capacitance C0 0.8pF Typ. 1.2pF to 0.5pF
Frequency aging f_age ±3 ×10-6 / year Max. ±5 ×10-6 / year Max. +25°C, First year

External Dimensions

(Unit: mm)

Do not connect #2 and #3 to external device.
Metal may be exposed on the top or bottom of this product. This will not affect any quality, reliability or electrical spec.

Footprint (Recommended) 

(Unit: mm) 


Frequency : 32.768KHz

Dimension : 7.0 x 1.5 mm

Load Capacitance : 7pF, 12.5pF

Operating Temp : -40℃~+85℃

Frequency Tolerance : ±10ppm ±20ppm