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ROX2525S4

ROX2525S4

Product catalog summary

Overview: The ROX2525S4 OCXO is a high-performance oscillator designed for applications where space and performance are critical. It supports frequencies from 10MHz to 40MHz and offers power supply options of 3.3V, 5V, and 12V. The device is optimized for Stratum 3E level performance and comes in a compact 25 x 25 mm package.

Specifications:

Nominal Frequency: 10 to 40 MHz, with standard frequencies including 10, 12.8, 13, 20, 24.576, 26, and 40 MHz.
Operating Temperature Range: -40°C to 85°C.
Frequency Stability: ±5 to ±10 ppb over temperature in calm air.
Free-run Accuracy: ±1 ppm over 20 years, meeting Telcordia GR-1244 requirements.
Supply Voltage Stability: ±2 ppb at ±5% voltage variation at 25°C.
Holdover Performance: ±50 µs over 24 hours after 3 days of continuous operation.
Long-term Stability (Aging): ±0.5 ppb/day, ±15 ppb/month, ±75 ppb/year after one week of operation.
Power Consumption: 3.5 W during warm-up, 1.5 W steady state at 25°C.
Warm-up Time: 5 minutes to reach within 10 ppb of prior steady state output frequency.
Environmental Tolerance: Vibration and shock resistance as per IEC standards, with a storage temperature range of -55°C to 90°C.

Features:

Small form factor with a hermetic package.
Holdover below 50 µs over 24 hours, including temperature changes.
Compliance with IEEE 1588: G.8263, G.8273.x standards.

Applications: Suitable for Sync E modules, Stratum 3E timing modules, time and frequency references, and test equipment.

Catalog excerpts

Discrete OCXO | Standard OCXO in SMD Package Features ■ Small form factor ■ Hold over below 50 ps over 24 hours, including temperature change ■ Standard frequencies: 10, 12.8, 13, 20, 24.576, 26 and 40 MHz ■ Hermetic package The ROX2525S4 OCXO is a perfect choice where performance versus space is at a premium. Frequencies available are from 10MHz to 40MHz, and power supply options are 3.3V, 5V & 12V. These 25 x 25 mm package series of oscillators are designed with direct heating on a single board. They are optimized designs for the Stratum 3E level. Applications ■ IEEE 1588: G.8263, G.8273.x ■ Sync E modules ■ Stratum 3E timing modules ■ Time and frequency references ■ Test equipment Standard Specifications Parameter Min. Typ. Max. Unit Test Condition / Description

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Discrete OCXO | Standard OCXO in SMD Package SSB Phase Noise: ROX-S4 OCXO (Typical value at 25 °C) 10.00 MHz ROX-S4 OCXO SSB Phase Noise Offset Frequency (Hz) Model Outline: ROX2525S4 OCXO (19 Pin) SIDE VIEW been indicated. BOTTOM VIEW

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