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Pilot lamp specifications

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  Pilot lamp specifications Reinhard Zwirner <reinhard.zwirner@t-online.de> - 2025-11-24 00:51 +0100
    Re: Pilot lamp specifications ehsjr <ehsjr@verizon.net> - 2025-11-23 22:19 -0500
      Re: Pilot lamp specifications Reinhard Zwirner <reinhard.zwirner@t-online.de> - 2025-11-24 13:34 +0100
        Re: Pilot lamp specifications bp@www.zefox.net - 2025-11-24 14:41 +0000
          Re: Pilot lamp specifications Reinhard Zwirner <reinhard.zwirner@t-online.de> - 2025-11-25 16:17 +0100
            Re: Pilot lamp specifications bp@www.zefox.net - 2025-11-25 16:52 +0000
        Re: Pilot lamp specifications ehsjr <ehsjr@verizon.net> - 2025-11-24 17:17 -0500
          Re: Pilot lamp specifications Reinhard Zwirner <reinhard.zwirner@t-online.de> - 2025-11-25 16:21 +0100

#6610 — Pilot lamp specifications

Hi,

Within part lists of electronic circuits pilot lamps are often
specified by numbers (like "#46"). Is there a table where the
electrical data corresponding to these numbers can be found?

Many thanks in advance for hints.

Best regards

Reinhard

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#6611

On 11/23/2025 6:51 PM, Reinhard Zwirner wrote:
> Hi,
> 
> Within part lists of electronic circuits pilot lamps are often
> specified by numbers (like "#46"). Is there a table where the
> electrical data corresponding to these numbers can be found?
> 
> Many thanks in advance for hints.
> 
> Best regards
> 
> Reinhard

Here's what came up as a result of a Google search
on 46 lamp specs:
#46 Miniature Incandescent Lamp
Voltage: \(6.3V\)
Wattage: \(1.57W\)
Current: \(0.25A\)
Base: E10 Miniature Screw Base
Shape: T-3 1/4 (or T1.75)
Lumens: Approximately 46
Average Life: 3,000 hours
Common Uses: Indicator lights in arcade games, pinball machines, and 
other electronic equipment

Ed

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#6612

ehsjr schrieb:
> On 11/23/2025 6:51 PM, Reinhard Zwirner wrote:
>> Hi,
>>
>> Within part lists of electronic circuits pilot lamps are often
>> specified by numbers (like "#46"). Is there a table where the
>> electrical data corresponding to these numbers can be found?
>>
>> Many thanks in advance for hints.
>>
>> Best regards
>>
>> Reinhard
> 
> Here's what came up as a result of a Google search
> on 46 lamp specs:
> #46 Miniature Incandescent Lamp
> Voltage: \(6.3V\)
> Wattage: \(1.57W\)
> Current: \(0.25A\)
> Base: E10 Miniature Screw Base
> Shape: T-3 1/4 (or T1.75)
> Lumens: Approximately 46
> Average Life: 3,000 hours
> Common Uses: Indicator lights in arcade games, pinball machines, and
> other electronic equipment
> 
> Ed

Hi Ed,

Many thanks. But "#46" was just an example. Indeed,  I'm searching
for a table for not having to start always another individual search
when finding such a number.

Best regards

Reinhard

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#6613

Reinhard Zwirner <reinhard.zwirner@t-online.de> wrote:
> ehsjr schrieb:
>> On 11/23/2025 6:51 PM, Reinhard Zwirner wrote:
>>> Hi,
>>>
>>> Within part lists of electronic circuits pilot lamps are often
>>> specified by numbers (like "#46"). Is there a table where the
>>> electrical data corresponding to these numbers can be found?
>>>
>>> Many thanks in advance for hints.
>>>
>>> Best regards
>>>
>>> Reinhard
>> 
>> Here's what came up as a result of a Google search
>> on 46 lamp specs:
>> #46 Miniature Incandescent Lamp
>> Voltage: \(6.3V\)
>> Wattage: \(1.57W\)
>> Current: \(0.25A\)
>> Base: E10 Miniature Screw Base
>> Shape: T-3 1/4 (or T1.75)
>> Lumens: Approximately 46
>> Average Life: 3,000 hours
>> Common Uses: Indicator lights in arcade games, pinball machines, and
>> other electronic equipment
>> 
>> Ed
> 
> Hi Ed,
> 
> Many thanks. But "#46" was just an example. Indeed,  I'm searching
> for a table for not having to start always another individual search
> when finding such a number.
> 
> Best regards
> 
> Reinhard

It sounds like you're looking for a vintage GE lamp catalog. I remember
looking through one back in the late '80's or early '90's, but haven't
seen one since. Most likely Phillips, Sylvania and other lamp producers
published similar documents. 

Where any have been preserved is unclear, at least to me.

The Thomas Register and Sweet's Industrial Catalog File were firms
that prepared hardcopy library volumes of commercial sales literature.
They aren't specifically lamp-related, however.

hth,

bob prohaska

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#6615

bp@www.zefox.net schrieb:
> Reinhard Zwirner <reinhard.zwirner@t-online.de> wrote:
>> ehsjr schrieb:
>>> On 11/23/2025 6:51 PM, Reinhard Zwirner wrote:
>>>> Hi,
>>>>
>>>> Within part lists of electronic circuits pilot lamps are often
>>>> specified by numbers (like "#46"). Is there a table where the
>>>> electrical data corresponding to these numbers can be found?
>>>>
>>>> Many thanks in advance for hints.
>>>>
>>>> Best regards
>>>>
>>>> Reinhard
>>>
>>> Here's what came up as a result of a Google search
>>> on 46 lamp specs:
>>> #46 Miniature Incandescent Lamp
>>> Voltage: \(6.3V\)
>>> Wattage: \(1.57W\)
>>> Current: \(0.25A\)
>>> Base: E10 Miniature Screw Base
>>> Shape: T-3 1/4 (or T1.75)
>>> Lumens: Approximately 46
>>> Average Life: 3,000 hours
>>> Common Uses: Indicator lights in arcade games, pinball machines, and
>>> other electronic equipment
>>>
>>> Ed
>>
>> Hi Ed,
>>
>> Many thanks. But "#46" was just an example. Indeed,  I'm searching
>> for a table for not having to start always another individual search
>> when finding such a number.
>>
>> Best regards
>>
>> Reinhard
> 
> It sounds like you're looking for a vintage GE lamp catalog. I remember
> looking through one back in the late '80's or early '90's, but haven't
> seen one since. Most likely Phillips, Sylvania and other lamp producers
> published similar documents. 
> 
> Where any have been preserved is unclear, at least to me.
> 
> The Thomas Register and Sweet's Industrial Catalog File were firms
> that prepared hardcopy library volumes of commercial sales literature.
> They aren't specifically lamp-related, however.

So the "type numbers" in commercial manufacturer's lamp catalogs have
become references for specifying pilot lamps? Strange! I'm used to
find such lamps being specified by voltage and current ...

Regards

Reinhard

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#6617

Reinhard Zwirner <reinhard.zwirner@t-online.de> wrote:
> bp@www.zefox.net schrieb:
>> Reinhard Zwirner <reinhard.zwirner@t-online.de> wrote:
>>> ehsjr schrieb:
>>>> On 11/23/2025 6:51 PM, Reinhard Zwirner wrote:
>>>>> Hi,
>>>>>
>>>>> Within part lists of electronic circuits pilot lamps are often
>>>>> specified by numbers (like "#46"). Is there a table where the
>>>>> electrical data corresponding to these numbers can be found?
>>>>>
>>>>> Many thanks in advance for hints.
>>>>>
>>>>> Best regards
>>>>>
>>>>> Reinhard
>>>>
>>>> Here's what came up as a result of a Google search
>>>> on 46 lamp specs:
>>>> #46 Miniature Incandescent Lamp
>>>> Voltage: \(6.3V\)
>>>> Wattage: \(1.57W\)
>>>> Current: \(0.25A\)
>>>> Base: E10 Miniature Screw Base
>>>> Shape: T-3 1/4 (or T1.75)
>>>> Lumens: Approximately 46
>>>> Average Life: 3,000 hours
>>>> Common Uses: Indicator lights in arcade games, pinball machines, and
>>>> other electronic equipment
>>>>
>>>> Ed
>>>
>>> Hi Ed,
>>>
>>> Many thanks. But "#46" was just an example. Indeed,  I'm searching
>>> for a table for not having to start always another individual search
>>> when finding such a number.
>>>
>>> Best regards
>>>
>>> Reinhard
>> 
>> It sounds like you're looking for a vintage GE lamp catalog. I remember
>> looking through one back in the late '80's or early '90's, but haven't
>> seen one since. Most likely Phillips, Sylvania and other lamp producers
>> published similar documents. 
>> 
>> Where any have been preserved is unclear, at least to me.
>> 
>> The Thomas Register and Sweet's Industrial Catalog File were firms
>> that prepared hardcopy library volumes of commercial sales literature.
>> They aren't specifically lamp-related, however.
> 
> So the "type numbers" in commercial manufacturer's lamp catalogs have
> become references for specifying pilot lamps? Strange! I'm used to
> find such lamps being specified by voltage and current ...

But, lamps have many characteristics besides volts and amps; base,
diameter, length, filament location and so on.

At some point it became customary for "industry standard numbers" to
appear in manufacturer's literature. I'm not sure when this happened,
nor what exactly it's derived from in your context. It's possible that
the "# 46" lamp isn't such a number, just a well-known customary one.

Here's an example, mostly for architechtural lighting:
https://assets.usesi.com/product-media/catalogs/18936_catalog.pdf

It's likely you will need at least a few different company catalogs
to assemble a reasonably complete list.  

Now that tungsten indicator lamps have been supplanted by LEDs the
body of reference literature is likely to dissapear fairly rapidly.

bob prohaska

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#6614

On 11/24/2025 7:34 AM, Reinhard Zwirner wrote:
> ehsjr schrieb:
>> On 11/23/2025 6:51 PM, Reinhard Zwirner wrote:
>>> Hi,
>>>
>>> Within part lists of electronic circuits pilot lamps are often
>>> specified by numbers (like "#46"). Is there a table where the
>>> electrical data corresponding to these numbers can be found?
>>>
>>> Many thanks in advance for hints.
>>>
>>> Best regards
>>>
>>> Reinhard
>>
>> Here's what came up as a result of a Google search
>> on 46 lamp specs:
>> #46 Miniature Incandescent Lamp
>> Voltage: \(6.3V\)
>> Wattage: \(1.57W\)
>> Current: \(0.25A\)
>> Base: E10 Miniature Screw Base
>> Shape: T-3 1/4 (or T1.75)
>> Lumens: Approximately 46
>> Average Life: 3,000 hours
>> Common Uses: Indicator lights in arcade games, pinball machines, and
>> other electronic equipment
>>
>> Ed
> 
> Hi Ed,
> 
> Many thanks. But "#46" was just an example. Indeed,  I'm searching
> for a table for not having to start always another individual search
> when finding such a number.
> 
> Best regards
> 
> Reinhard

Ah.  This might help:
https://www.kevinchant.com/uploads/7/1/0/8/7108231/chrsdiallamps.pdf

Ed

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#6616

ehsjr schrieb:

[...]
> Ah.  This might help:
> https://www.kevinchant.com/uploads/7/1/0/8/7108231/chrsdiallamps.pdf

Yes, indeed! That's exactly what I've been looking for! Great! Many,
many thanks!

Best regards

Reinhard

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