[time-nuts] Re: UCCM OCXO Temperature

[Askild]

Hi Keelan,

It's not unusual for OCXO's too have an internal temperature of 80ºC, and
even higher.  So the amount of insulation affects the external temperature
of the OCXO.
So 50ºC should be perfectly fine.

Regards,
Askild


On Fri, 23 Jun 2023, 19:40 Keelan Lightfoot via time-nuts, <
time-nuts at lists.febo.com> wrote:

> I just received a Trimble UCCM module, and the OCXO gets quite hot, 50ºC or
> so. It holds at 50°, so it doesn't appear to be in any kind of runaway
> condition, and the UCCM works fine and achieves full lock. But is this
> temperature normal?
>
> I only own two other things with OCXOs in them, and they barely get warm to
> the touch, but they're larger units and decades older than the UCCM, so my
> sample size for what a modern-ish compact OCXO should feel like is quite
> limited.
>
>  - Keelan
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