Oven Controlled Crystal Oscillator Manufacturer · Shenzhen, China · ISO 9001:2015

OCXO Oscillators — Oven Controlled Crystal Oscillators (5MHz~100MHz)

Vistar Electronics offers high‑stability OCXO (Oven Controlled Crystal Oscillators) with industry‑leading phase noise and long‑term aging. Available in metal can SMD and through‑hole packages. AT‑cut and SC‑cut crystal options for ultimate precision. Output types: CMOS, LVTTL, Sine Wave. Stratum 3E compliant models with -110dBc@1Hz. Fast delivery series available for selected frequencies. All products are RoHS & REACH compliant with free samples and rapid quoting.

AT‑Cut / SC‑Cut Crystal 5 MHz ~ 100 MHz CMOS / LVTTL / Sine Wave Stratum 3E / -110dBc@1Hz SMD & Through‑Hole RoHS & REACH

Technical Reference

OCXO Oscillators – Complete Series

Model	Part Number	Package (mm)	Frequency Range	Output	Key Features	Datasheet
NK HOT	VS-OCXO-1493	14.3×9.3×6.0 mm (Metal Can SMD)	5 MHz ~ 40 MHz	CMOS	AT-Cut Crystal, Low Power, ±4.6ppm/20yr Aging, Fast Warm-Up	Coming soon
NF HOT	VS-OCXO-2012	20.3×12.7×11.0 mm (Metal Can Through Hole)	5 MHz ~ 40 MHz	CMOS	SC-Cut Crystal, High Stability, Low Phase Noise, Fast Delivery: NF-25MHz-2050 (≤20pcs, 1 week)	Coming soon
NA HOT	VS-OCXO-2525	25.4×25.4×12.7 mm (Metal Can Through Hole)	5 MHz ~ 100 MHz	LVTTL / Sine Wave	SC or AT Cut, High Stability, Low Phase Noise, Fast Delivery: NA-10MHz-2000/2500 (≤20pcs, 1 week)	Coming soon
NJ HOT	VS-OCXO-2522	25.4×22.1×11.0 mm (Metal Can SMD)	5 MHz ~ 40 MHz	CMOS / Sine Wave	SC or AT Cut, High Stability, Low Phase Noise, Fast Warm-Up, SMD Optional	Coming soon
NI HOT	VS-OCXO-3627	36.3×27.2×12.7 mm (Metal Can Through Hole)	5 MHz ~ 100 MHz	LVTTL / Sine Wave	SC-Cut, Stratum 3E compliant, -110dBc@1Hz, Fast Delivery: NI-10MHz/100MHz series (≤20pcs, 1 week)	Coming soon
NP	VS-OCXO-2020	20.6×20.6×11.0 mm (Metal Can Through Hole)	5 MHz ~ 40 MHz	CMOS	SC or AT Cut, Stratum 3E compliant, -110dBc@1Hz, High Stability	Coming soon

Why Choose Vistar OCXO

Key Features

❄️

Oven‑Stabilized Precision

Internal oven maintains crystal at constant temperature, delivering sub‑ppb stability over wide ambient ranges.

🎯

SC‑Cut & AT‑Cut Options

SC‑cut for ultra‑low phase noise and fast warm‑up; AT‑cut for cost‑sensitive precision applications.

📶

Excellent Phase Noise

Up to -110dBc@1Hz phase noise, making them ideal for radar, test equipment, and reference clocks.

📦

Flexible Packages

Metal can SMD and through‑hole (DIP) packages, including standard 14‑pin footprints.

🚀

Fast Delivery Series

Selected OCXO models available with 1‑week delivery for quantities ≤20pcs. Contact sales for eligible part numbers.

✅

Stratum 3E / Low Aging

NI and NP models meet Stratum 3E requirements with overall ±4.6ppm over 20 years aging.

Applications

Where OCXO Oscillators Are Used

📡 Base Stations & 5GMaster reference clocks

🛰️ Satellite & RadarCoherent transmitters, SAR

🧬 Test & MeasurementFrequency counters, spectrum analyzers

💻 Data CentersStratum 2/3E timing

🔊 BroadcastingStudio master sync

🚗 AutomotiveADAS, V2X, infotainment

🏭 Industrial ControlPrecision PLC, motion control

🌐 Telecom Core NetworkSynchronization, SDH/SONET

FAQ

Common Questions About OCXOs

What is the difference between OCXO, TCXO, and standard XO?

An OCXO uses an oven to maintain the crystal at a constant high temperature, resulting in the best frequency stability (sub‑ppb). TCXOs apply temperature compensation, but cannot match OCXO performance. XOs have no compensation and drift the most.

What is SC‑cut vs AT‑cut crystal?

SC‑cut crystals offer lower phase noise, faster warm‑up, and less sensitivity to vibration, making them preferred for high‑performance OCXOs. AT‑cut is more cost‑effective and still provides excellent stability.

What does Stratum 3E mean?

Stratum 3E is a telecom timing standard requiring overall frequency accuracy of ±4.6ppm over 20 years, including aging and temperature. Our NI and NP OCXOs meet this specification.

Can I get OCXOs with fast delivery for prototyping?

Yes, we offer selected OCXO series (NF, NA, NI) with 1‑week delivery for quantities up to 20pcs. Contact sales@vistarelectronics.com for details.

OCXO Oven Controlled Crystal Oscillator Supplier – Stratum 3E / Low Phase Noise

Shenzhen Vistar Electronics Co., Ltd. provides a comprehensive range of OCXO oscillators for the most demanding timing applications. Our NK, NF, NA, NJ, NI, and NP series OCXOs deliver exceptional phase noise, low aging, and Stratum 3E compliance. All products are RoHS & REACH compliant and manufactured in an ISO 9001 certified facility.

For datasheets, custom frequencies, or volume pricing, contact sales@vistarelectronics.com or call +86 150 1925 5609. Explore our TCXO oscillators and VCXO oscillators for additional timing solutions.