FA1612AS (MHz RANGE CRYSTAL UNIT, Built-in thermistor)


RoHS Compliant

pb free


  • Frequency range
    26 MHz to 54 MHz
  • External dimensions
    1.6 × 1.2 × 0.65mm
  • Overtone order
  • Applications
    Mobile phone, Bluetooth, W-LAN
    ISM band radio, Clock for MPU,GPS,Mobile phone


Item Symbol Specifications Condition/Remarks
Nominal frequency range f_nom 26 MHz to 54 MHz Fundamental
Please contact us about available frequencies.
Storage temperature range T_stg -40 °C to +125 °C Store as single product.
Operating temperature range T_use -40 °C to +85 °C
Level of drive DL 100 µW Max. Recommended: 1µW to 100µW
Frequency tolerance f_tol ± 10 × 10-6 *1 Please contact us about reference temperature.
Please contact us for inquiries.
Frequency versus temperature characteristics f_tem ± 12 × 10-6 *1 -30°C to +85°C
Please contact us for inquiries.
Load capacitance CL 6 pF to ∞ Please specify.
Motional resistance
R1 As per below table -30°C to +85°C
Frequency aging f_age ±1 × 10-6/ year Max. +25°C, First year
Thermistor resistance - Please contact us about specifications.  
Thermistor B constant -  

*1 Please contact us for available frequency tolerances as they are dependent upon the nominal frequency.

Motional resistance (ESR)

Frequency Motional resistance
26.0 MHz ≦ f_nom < 32.0 MHz 200Ω Max.
32.0 MHz ≦ f_nom < 36.0 MHz 100Ω Max.
36.0 MHz ≦ f_nom ≦ 54.0 MHz 80Ω Max.

Product number

External dimensions


(Unit: mm)

Footprint (Recommended)


(Unit: mm)

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