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incandescent - miniature lamp light bulb lamp
I 5V 0.2A E10 G4.5 30H 504 USA
donsbulbs part:
504 USA
I/5V/1W/E10/G4.5/30H
inventory check: sold out
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504 USA
I/5V/1W/E10/G4.5/30H

bulb specifications:
category: Incandescent - Miniature lamp
volt: 5
amp: 0.2
watt: 1
base: E10 - Edison Miniature Screw, 10mm
glass: G4-1/2
filament: C2R
fil.res.: 25 ohm
d.hours: 30

uses sockets:DB-E10S1
DB-E10S2


typical shape of G4-1/2 glass envelopes
(not to scale)


typical shape of C2R filament
(not to scale)


industry standards for base:
E10 - Edison Miniature Screw, 10mm
(not to scale)
click here for base E10 detail sheet


Although few specialty light bulbs and sockets are manufactured anymore, I have decent inventories of most types in stock, plus additional sources for nearly everything. All are guaranteed brand new, most being NOS (new old stock). Shelf life is forever.

Prices usually rise as inventory is sold off. Website updated daily to reflect current stock and prices. Click add to cart button above, and order at today's prices.

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Definition of light bulb refers to lamp.
Definition of socket refers to lampholder (lamp holder).


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504 USA
I/5V/1W/E10/G4.5/30H

also known as
Cross-Reference:


504/5V/0.2A USA
504 GENERAL-ELECTRIC
504 USA
I/5V/0.2A/E10/G4.5/30H
I/5V/0.2A/E10/G4.5/30H/504 USA
I/5V/1W/E10/G4.5/30H/504 USA
I/5V/1W/E10/G4.5/30H 504 USA
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504 USA
I/5V/1W/E10/G4.5/30H

have been found in equipment:

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manufacture name:  Bell & Howell
model number #:  1480
model name:  Multi-Motion
size:  8mm
type of equipment:  projector
notes:  only the green one
comments:  any comments