AT-51 (for OA / AV)

Features

A highly stable and reliable crystal unit with a metallic package, also suitable for surface mounting.

With many standard frequencies available, this unit is ideal for a variety of applications.
Compatible with surface mounting.
Airtight metal package ensures high-reliability.

AT-51 Picture

Specifications

Nominal Frequency (MHz)
Package Size (L×W×H : mm)	11.05×4.65×5.08
Overtone Order	Fundamental / 3rd overtone
Frequency Tolerance (25 ±3 °C)	±20×10^-6
Frequency versus temperature characteristics (with reference to +25 °C)	±30×10^-6
Operating Temperature Range(*1) / Storage Temperature Range (°C)	-10 to +70 / -40 to +85
Equivalent Series Resistance (Nominal Frequency)	Max. 400Ω (Fundamental : 3.1875 to 3.2MHz) Max. 200Ω (Fundamental : 3.2 to 3.5MHz) Max. 140Ω (Fundamental : 3.5 to 3.8MHz) Max. 120Ω (Fundamental : 3.8 to 4.2MHz) Max. 100Ω (Fundamental : 4.2 to 4.883MHz) Max. 80Ω (Fundamental : 4.883 to 5.2MHz) Max. 70Ω (Fundamental : 5.2 to 5.7MHz) Max. 60Ω (Fundamental : 5.7 to 6.6MHz) Max. 55Ω (Fundamental : 6.6 to 6.8MHz) Max. 50Ω (Fundamental : 6.8 to 8.3MHz) Max. 45Ω (Fundamental : 8.3 to 10.7MHz) Max. 40Ω (Fundamental : 10.7 to 12.2MHz) Max. 35Ω (Fundamental : 12.2 to 15MHz) Max. 30Ω (Fundamental : 15 to 28.63636MHz) Max. 140Ω (3rd overtone : 26 to 35MHz) Max. 100Ω (3rd overtone : 35 to 48MHz) Max. 80Ω (3rd overtone : 48 to 75MHz)
Level of drive	500µW (Fundamental : 3.1875MHz to 3.541MHz / 3rd overtone : 26MHz to 60MHz) 50µW (Fundamental : 3.541MHz to 28.63636MHz) 10µW (3rd overtone : 60MHz to 75MHz) (Max. 1000µW)
Load Capacitance	16pF (Fundamental) Series Resonance (3rd overtone)

When ordering our products, specify them with an “Ordering Code”.To issue Ordering Code, please select Frequency and click Ordering Code button.
The above specifications are standard for this NDK product. If you require a product with specifications not given above, please contact NDK sales.

*1. Temperature range within which crystal units operate under specified conditions.

Dimensions

AT-51 Dimensions

Catalog

Printable PDF Document

Page Top