FA-238 (MHz Range Crystal Unit Miniature Size Low Profile SMD)

FA-238FA-238

RoHS Compliant pb free
  • Frequency range
    16MHz to 60MHz
  • External dimensions
    3.2 × 2.5 × 0.7mm
  • Overtone order
    Fundamental
  • Applications
    Mobile phone, Bluetooth, W-LAN
    ISM band radio, Clock for MPU

Specifications

Item Symbol For Clock Condition/
Remarks
Nominal frequency range f_nom 16.000MHz to 60.000MHz Fundamental *1 For the out of standard specifications, please contact us for inquiries.
Storage temperature T_stg -40°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 200µW Max. Recommended: 1 to 100µW
Frequency tolerance f_tol ±50 × 10-6 (standard),
(±15 × 10-6 to ±50 × 10-6 is available)
+25°C For the out of standard specifications, please contact us for inquiries. *1
Frequency versus temperature characteristics f_tem ±30 × 10-6/-20°C to +70°C For the out of standard specifications, please contact us for inquiries. *1
Load capacitance CL 7pF to ∞ For the out of standard specifications, please contact us for inquiries.
Motional resistance (ESR) R1 As per below table -40°C to +85°C, DL = 100µW
Frequency aging f_age ±5 × 10-6 / year Max. +25°C, First year

*1 FA-238: For over 40MHz, only the standard specification applies.

Product name (Standard form) Product number

Motional resistance (ESR)

Frequency Motional resistance
16.0MHz < f_nom < 20.0MHz 80Ω Max.
20.0MHz ≤ f_nom < 25.0MHz 60Ω Max.
25.0MHz ≤ f_nom < 30.0MHz 50Ω Max.
30.0MHz ≤ f_nom ≤ 60.0MHz 40Ω Max.

External dimensions

dimension

(Unit: mm)


Footprint (Recommended)

footprint

(Unit: mm)


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