Package Size: 7.0 * 1.5 * 1.4
Frequency Range: 32.768
Frequency Tolerance: ±20 - ±50
Temperature Range: -40 - +85
RoHS And Pb Free:
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Product details

Feature

  • Frequency range: 32.768kHz (32kHz ~ 100kHz);
  • External dimensions: 7.0 × 1.5 × 1.4mm;
  • Harmonic times: fundamental frequency;

Application

  • Small portable communication equipment;

Overview

MC-146 (kHz Frequency Range Crystal Unit Thin Surface Mount (SMD))


  • Electrical Specifications



Item

Symbol

Specifications

Condition/Remarks

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


14601.png

  • Mechanical Dimensions


146尺寸.gif


  • Reflow Condition


146焊盘.gif



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