FC-135 (kHz Range Crystal Unit Low Profile SMD)

FC-135FC-135

RoHS Compliant

  • Frequency range
    32.768 kHz (32 kHz to 77.5 kHz)
  • External dimensions
    3.2 × 1.5 × 0.80 mm
  • Overtone order
    Fundamental
  • Applications
    Small communications devices

Specifications

Item Symbol Specifications Condition/Remarks
Nominal
frequency range
f_nom 32.768 kHz 32 kHz to 77.5 kHz 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 (+105 °C) Please contact us about +85 °C < T_use
Level of drive DL 0.5 µW (1.0 µW Max.) Please contact us if you require 1.0 µW Max.
Frequency tolerance
(standard)
f_tol ±20 × 10-6 +25°C, DL = 0.1µW Please ask for tighter tolerance
Turnover temperature Ti +25 °C ± 5 °C
Parabolic coefficient B -0.04 × 10-6 / °C2 Max.
Load capacitance CL 7 pF, 9 pF, 12.5 pF Please specify
Motional resistance
(ESR)
R1 70 kΩ Max. 70 kΩ to 45 kΩ
Motional capacitance C1 3.4 fF Typ. 3.7 fF to 1.6 fF
Shunt capacitance C0 1.0 pF Typ. 1.3 pF to 0.5 pF
Frequency aging f_age ±3 ×10-6 / year Max. +25 °C, First year

name

External dimensions

dimension

(Unit: mm)

Footprint (Recommended)

footprint

(Unit: mm)

Page Top