Product details
Product Overview
The RFSOSC-SFN5D is a 100 MHz oven-controlled crystal oscillator (OCXO) delivering ultra-low phase noise and excellent frequency stability. It offers ±0.3 ppm calibration accuracy at 25 °C, ±0.1 ppm temperature stability over a –45 to +75 °C window, and ±0.3 ppm first-year aging, making it an ideal frequency reference for demanding measurement, communication and radar systems.
The oscillator outputs a sine wave at ≥8 dBm into 50 Ω, features voltage control (0–5 V tuning voltage, ≥±0.5 ppm pull range), and operates from a single +5 V supply in a compact 14 × 14 × 8 mm 4-pin DIP package.
Key Features
Output frequency: 100 MHz sine wave
Calibration accuracy at 25 °C: ≤±0.3 ppm
Temperature stability: ≤±0.1 ppm (–45 to +75 °C window)
Ultra-low phase noise: –125 dBc/Hz @ 100 Hz, –173 dBc/Hz @ 100 kHz
First-year aging: ≤±0.3 ppm
Voltage control: 0–5 V, pull range ≥±0.5 ppm
Output level: ≥8 dBm into 50 Ω
Single +5 V supply, 200 mA steady-state
14 × 14 × 8 mm 4-pin DIP package
Product Information
| Model | RFSOSC-SFN5D |
| Product Category | OTHER (Frequency Reference) |
| Output Frequency | 100 MHz |
| Output Waveform | Sine wave, ≥8 dBm into 50 Ω |
| Calibration Accuracy (@25 °C) | ≤±0.3 ppm |
| Temperature Stability | ≤±0.1 ppm (–45 to +75 °C, ref. 25 °C) |
| Aging (First Year) | ≤±0.3 ppm |
| Supply Sensitivity | ≤±5 ppb (Vcc ±5%) |
| Load Sensitivity | ≤±5 ppb (50 Ω ±5%) |
| Warm-Up Frequency Error | ≤±0.3 ppm (5 min after power-on, room temp.) |
| Phase Noise | ≤–125 dBc/Hz @ 100 Hz; ≤–155 dBc/Hz @ 1 kHz; ≤–168 dBc/Hz @ 10 kHz; ≤–173 dBc/Hz @ 100 kHz |
| Harmonics / Spurious | ≤–30 dBc / ≤–80 dBc |
| Voltage Control (Vc) | 0–5 V, pull range ≥±0.5 ppm, positive slope |
| Supply Voltage | +5 V DC |
| Supply Current | ≤600 mA start-up / ≤200 mA steady-state |
| Operating Temperature | –40 to +70 °C |
| Storage Temperature | –55 to +85 °C |
| Package | 14 × 14 × 8 mm, 4-pin DIP (Φ0.8 mm pins: GND / OUT / Vcc / Vc) |
| Applications | Low-phase-noise frequency reference for radar, satellite communications, test & measurement, and timing systems |
Specifications subject to change without prior notice. Contact RFsatellite for the latest data and project-based configuration.



