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halogen lamp light bulb
L9389 GILWAY
donsbulbs part:
JC12V50WGY9.5 DONSBULBS
H/12V/50W/GY9.5/T3.5/CL/2000H
inventory check: sold out
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JC12V50WGY9.5 DONSBULBS
H/12V/50W/GY9.5/T3.5/CL/2000H

bulb specifications:
  
category: Halogen lamp
volt: 12
amp: 4.17
watt: 50
base: GY9.5 - Prefocus, 2-pin; round 3.2mm & 2.4mm
9.53mm centered, Ceramic Base
(found on high voltage bulbs)
glass: T3-1/2
filament: C6
fil.res.: 2.88 ohm
m.o.l.: 2.36 inch (59.9MM)
l.c.l.: 1.31 inch (33.3MM)
burn pos: burn lamp in ANY position
i.lumens: 900
cp: 72
cri: 99
color temp: 3000
d.hours: 2000
notes: clear glass
halogen gas
 
uses sockets:DB-8278
DB-GL1177
DB-HS40
DB-QCJ11R
DB-QCJ11
DB-QEW1
DB-TP23H
DB-TP6L
DB-TP7


typical photo of JC12V50WGY9.5 DONSBULBS
H/12V/50W/GY9.5/T3.5/CL/2000H bulb type
(your bulb may look slightly different)


typical shape of T3-1/2 glass envelopes
(not to scale)


typical shape of C6 filament
(not to scale)


industry standards for base:
GY9.5 - Prefocus, 2-pin; round 3.2mm & 2.4mm
9.53mm centered, Ceramic Base
(found on high voltage bulbs)
(not to scale)
click for base GY9.5 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


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


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JC12V50WGY9.5 DONSBULBS
H/12V/50W/GY9.5/T3.5/CL/2000H

also known as
Cross-Reference:


H/12V/50W/GY9.5/T3.5/CL
H/12V/50W/GY9.5/T3.5/CL/2000H/JC12V50WGY9.5 DONSBULBS
H/12V/50W/GY9.5/T3.5/CL/2000H JC12V50WGY9.5 DONSBULBS
H/12V/50W/GY9.5/T3.5/CL/Q50T4GY9.5-12V DONSBULBS
H/12V/50W/GY9.5/T3.75
H/12V/50W/GY9.5/T3.75/2000H
H/12V/50W/GY9.5/T4
H/12V/50W/GY9.5/T4/2000H
H/12V/50W/GY9.5/T4/2000H/Q50T4GY9.5-12V DONSBULBS
H/12V/50W/GY9.5/T4/CL
H/12V/50W/GY9.5/TUBE
JC12V50WGY9.5 DONSBULBS
L9389/12V/50W GILWAY
L9389 GILWAY
Q50T4GY9.5-12V DONSBULBS
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JC12V50WGY9.5 DONSBULBS
H/12V/50W/GY9.5/T3.5/CL/2000H

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