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>> In the Digikey catalog, 5w zeners are axial-lead air-cooled devices.
>>
>> >
>> //They surely are, and should be. They're not DO-5's however. The "DO"
>> number only means "diode outline" and the number that follows it has
>> nothing to do with power, dissipation, or any other rating. They were
>> just issued sequentially, starting with DO-1.
>>
>> -WB2WIK/6
>> >
>> >> > [Steve Katz] Hi Rich. Case temp of a DO-5 stud,
>> >>
>> >> I have never seen anything smaller than 10w in a stud mount. 3A axial
>> >> lead rectifiers are in a DO-5 case.
>> >>
>> > ??? Not sure what you mean, here. The DO-5 zener devices I use are
>> >normally rated 50W at 55 degrees (C) Tc. Readily available from many
>> >sources for a few dollars. The advantage is their high peak current
>> rating,
>> >usually hundreds of Amperes for a low-value Vz. 3A axial lead rectifiers
>> >aren't DO-5, they're usually DO-2, DO-41, DO-42, etc.
>> >
>> > -Steve WB2WIK/6
>> >
>> >
>> >
>> >> - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K,
>> >> www.vcnet.com/measures.
>> >> end
>> >_______________________________________________
>> >Amps mailing list
>> >Amps@contesting.com
>> >http://lists.contesting.com/mailman/listinfo/amps
>> >
>>
>>
>> - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K,
>> www.vcnet.com/measures.
>> end
>_______________________________________________
>Amps mailing list
>Amps@contesting.com
>http://lists.contesting.com/mailman/listinfo/amps
>
- R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K,
www.vcnet.com/measures.
end
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