general info

incandescent - miniature lamp light bulb
donsbulbs part:
1137SC USA
inventory check: sold out
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1137SC USA

bulb specifications:
category: Incandescent - miniature lamp
volt: 12.8
amp: 2.34
watt: 30
base: BA15s - Single Contact Candelabra Bayonet (or S.C.Bayonet)
glass: S8
filament: 3C6
d.hours: 50
notes: clear glass
uses socket:DB-BA15S1

typical shape of S8 glass envelopes
(not to scale)

typical shape of 3C6 filament
(not to scale)

industry standards for base:
BA15s - Single Contact Candelabra Bayonet (or S.C.Bayonet)
(not to scale)
click for base BA15s detail sheet

Don's grand wisdom: When multiple bulbs are in a circuit; if one bulb burns out, you really should replace all bulbs at same time. This way all bulbs will look the same. Otherwise, mixing "used" bulbs with "new" bulbs (or mixing brands) will each look different (some will be dimmer, some a different shade of color.) For example, automobile headlights and tail-lights must always be replaced in pairs or they will look odd. And, when one bulb is at it's end of life, the other will be near it's end of life too. Keep good working "used" bulbs as emergency spares.

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.

I don't guarantee brand (or country) of manufacture, but you are welcome to suggest a preference. If you do require a certain brand or specific country of manufacture; read my general information.

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Thank you, Don Schnapp


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

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a related bulb search:

H / 12V / 30W / BA15S / T4 / CL / 200H JBS12V30W DONSBULBS
I / 12V / 30W / BA15S / S8 / CL / 50H 1137SC USA (this bulb)

1137SC USA

also known as

1137/12.8V/30W USA
1137 USA
1137SC USA
I/12V/30W/BA15S/S8/CL/50H/1137 USA
I/12V/30W/BA15S/S8/CL/50H/1137SC USA
I/12V/30W/BA15S/S8/CL/50H 1137SC USA
I/12.8V/30W/BA15S/S8/50H/1137 USA
I/12.8V/30W/BA15S/S8/CL/50H/1137 USA
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1137SC USA

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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