High Precision Crystal Units (MHz range)

RC-8

RoHS Compliant Directive 2011/65/EU Directive(EU)2015/863

Application

・OCXO for 5G DU, CU
・High-precision, high-stability, high-reliability crystal oscillators (OCXO, etc.)
・High-end audio
・Measurement equipment

Features

・Crystal units for high frequency stability and reliability OCXOs
・HC-37/U low profile Φ: Max 15.6mm Height: Max 4.6mm
・SC cut overtone mode
・High-grade, high-quality crystal rough: N-Grade* used
*JIS C 6704 inclusion density: Ia, infrared absorption coefficient: A
https://www.ndk.com/en/products/crystal/products/n-grade.html
・High stability, high accuracy, low aging
・High short-term stability, low phase noise (near carrier)

Item Symbol Value Unit
Nominal frequency
5 ≤ F ≤ 50
MHz
Package size (L×W×H) - 15.60 dia ×4.80 mm
Overtone order -
3rd overtone
-
Turnover temperature - +70 to +110 ppm
Frequency tolerance (@ +25℃) -
Max. ±3
ppm
Equivalent series resistance -
Max. 170
Ω
Load capacitance CL
32 to Series
pF
Level of drive -
Max. 100
μW
Operating temperature range Topr
-40 to +120
Storage temperature range Tstr
 -55 to +125
Insulation resistance - Min. 500
Airtightness - Max. 1.0ppb Pa m3/s
Specification number -
STD-CWB-2
-

The specifications listed are our standard specifications. Please inform "Model", "Frequency" and "Specification number" when inquiring or placing an order. Specifications other than those listed above are also available. Contact us if you require them.

External dimensions

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