Frequency chips

Our frequency chip offer relies on two major manufacturers: Seiko Epson and Seiko Instruments, which own 60 to 70% of in casing or cylindrical 32,768KHz quartz market. Seiko Epson is the world number 1 with 16% Quartz and Oscillators market shares, with smaller casing,the largest offer and smallest consumption on the market for SPXO. Seiko Epson and Seiko instruments offer the largest range in terms of RTC casing, consumption and functions. Seiko Epson is the only manufacturer in the world of frequency chips which controls its production line from Wafer Fab Quartz and IC’s to tests and encapsulation. Seiko Epson, with itsQMems lithographic photo technology produces the smallest casing on the MHz Quartz market. 

Syscom-Prorep launch its production line for Industrial PC



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Description

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

Specifications

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
(ESR)
R1 As per below table -20°C to +75°C
Frequency aging f_age ±1 × 10-6 to ±3 × 10-6 / year Max. *1

Product name (Standard form)

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

dimension

(Unit: mm)

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

Footprint (Recommended)

footprint

(Unit: mm)

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