Specifying Temperature Stability:

RC/R7/HY/A17/C

A17

A = X = Temperature Range

Temp Range

Stability Multiplier

Stability Scale

A =

0 to +50˚C

B =

0 to +70˚C

C = -20 to +70˚C

D = -40 to +85˚C

E = -55 to +85˚C

5 = 10-5 =

10 ppm

6 = 10-6 =

1 ppm

7 = 10-7 =

0.1 ppm

8 = 10-8 = 0.01 ppm

1 =

± 1.0

2 =

± 2.0

3 =

± 3.0

4 =

± 4.0

5 =

± 5.0

6 =

± 6.0

7 =

± 7.0

8 =

± 8.0

9 =

± 9.0

A =

± 1.5

B =

± 2.5

C =

± 3.5

Examples:

A17

B37

C57

D16

EA6

X

,

0 to +50˚C,

± 1 x 10-7

0 to +70˚C,

± 3 x 10-7

-20 to +70˚C,

± 5 x 10-7

-40 to +85˚C,

± 1 x 10-6

-55 to +85˚C,

± 1.5 x 10-6

X

,

0 to +50˚C,

± 0.1 ppm

0 to +70˚C,

± 0.3 ppm

-20 to +70˚C,

± 0.5 ppm

-40 to +85˚C,

± 1.0 ppm

-55 to +85˚C,

± 1.5 ppm

Note: Temperature stabilities listed on the website are for the best possible stability in that series. Next to

quantity, Frequency vs. Temperature is the highest cost multiplier. Please do not over specify temperature

stability as we will 100% test units to your requirements. The temperature ranges listed above are industry

standards. However, if for example your requirements were for -33 to +55˚C please let us know, by choosing

-40 to +85˚C arbitrarily you will be paying more than is required. Custom stabilities are always welcome and

recommended. We do not charge extra for custom temperature ranges or stabilities.

Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Fax: 1-888-FAX-VECTRON

6

SATCOM / "1 ppm Forever" TCXO

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