FA-20H (MHz Range Crystal Unit Ultra Miniature Size Low Profile SMD)

  • Frequency range
    12MHz to 54MHz
  • External dimensions
    2.5 × 2.0 × 0.55mm
  • Overtone order
  • Applications
    Mobile phone, Bluetooth, W-LAN
    ISM band radio, Clock for MPU

pb free

RoHS Compliant



Item Symbol Specifications Condition/Remarks
For RF Reference For Clock
Nominal frequency range f_nom 12.000MHz to 54.000MHz Fundamental Please contact us for inquiries regarding the available frequencies.
Storage temperature range T_stg -40°C to +125°C Store as bare product.
Operating temperature range T_use -40°C to +85°C (+105 °C) Please contact us about +85 °C < T_use
Level of drive DL 100µW Max. 200µW Max. Recommended: 1µW to 100µW
Frequency tolerance f_tol ±10 × 10-6*1 ±30 × 10-6 +25°C Please contact us for inquiries.
Frequency versus temperature characteristics f_tem ±10 × 10-6*1 ±30 × 10-6 -20°C to +75°C Please contact us for inquiries.
Load capacitance CL 6pF to ∞ Please specify.
Motional resistance
R1 As per below table -20°C to +75°C
Frequency aging f_age ±1 × 10-6 to ±3 × 10-6 / year Max. *1 +25°C, First year

*1 Please contact us for inquiries regarding available frequency tolerance.

product name

Motional resistance (ESR)

Frequency Motional resistance
12.0MHz ≤ f_nom < 16.0MHz 150Ω Max.
16.0MHz ≤ f_nom ≤ 25.0MHz 80Ω Max.
25.0MHz < f_nom ≤ 30.0MHz 60Ω Max.
30.0MHz < f_nom ≤ 35.0MHz 50Ω Max.
35.0MHz < f_nom ≤ 54.0MHz 40Ω Max.

External dimensions


(Unit: mm)

#2 and #4 are connected to the cover (Please connect to ground)

Footprint (Recommended)


(Unit: mm)

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