The standard version of the SMD clock crystals in the 3.2 x 1.5 mm ceramic housing of the M3215 series has a resistance of 70 kOhm. In the same housing, PETERMANN-TECHNIK offers a 32.768 kHz crystal with a maximum resistance of 50 kOhm under the series designation M3215RR, which can be used with ICs whose oscillator stages cannot drive 70 kOhm standard crystals.
The 50 kOhm version is available from PETERMANN-TECHNIK with the standard frequency tolerance of ±20 ppm and the standard load capacitance of 12.5 pF. The M3215RR is optionally available with load capacities of 6, 7, 8, 9 and 10 pF. Of course, the frequency tolerance of ±10 ppm at 25°C is also available.
In addition, the clocking specialist PETERMANN-TECHNIK also offers a very broad and deep spectrum of MHz crystals. The service catalogue of the specialists at PETERMANN-TECHNIK also includes circuit development, analyses, simulations, matching tests, etc. Everything from a single source is the credo of PETERMANN-TECHNIK in order to be able to offer the customer an extremely short time-to-market.
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Technical questions:
Phone: 0 81 91 / 30 53 95
E-mail: info(at)petermann-technik.de