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incandescent - miniature lamp light bulb
120VMB FLAT-TOP 120V 3W BA9S USA
donsbulbs part:
120MB USA
I/120V/2W/BA9S/T2.75/CL/FLAT-TOP/7500H
approximately 58 bulbs in stock
enter quantity:   
overstock discount:
bulb quantity:  1+    20  
price per bulb:  $11.25    $2.85  

120MB USA
I/120V/2W/BA9S/T2.75/CL/FLAT-TOP/7500H

bulb specifications:
  
category: Incandescent - miniature lamp
volt: 120
amp: 0.017
watt: 2
base: BA9s - Miniature Bayonet
glass: T2-3/4
filament: CC7A
fil.res.: 7060 ohm
m.o.l.: 1.19 inch (30.2MM)
l.c.l.: 0.953 inch (24.2MM)
i.lumens: 0.32
cp: 0.03
d.hours: 7500
notes: 1200EFC
clear glass
dim:31MMx8.3MM
flat top glass bulb
indicator lamp
 
uses sockets:DB-17-20
DB-BA9S1
DB-BA9S2


typical shape of T2-3/4 glass envelopes
(not to scale)


typical shape of CC7A filament
(not to scale)


industry standards for base:
BA9s - Miniature Bayonet
(not to scale)
click for base BA9s 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.

I need your help! I'm doing everything possible to provide free accurate bulb data and cross-referencing. If you have additional information or found errors, click here.

Thanks to you;  donsbulbs is the world's largest resource of bulb data and cross-referencing.

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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couple of related bulb searches:

I / 120V / 2W / BA9S / T2.75 / CL / FLAT-TOP / 7500H 120MB USA (this bulb)
I / 120V / 2W / BA9S / T2.75 / GREEN / FLAT-TOP / 7500H 120MB-GREEN USA
I / 120V / 2W / BA9S / T3.25 / CL / 31MMMOL / 7500H 120VMB USA

120MB USA
I/120V/2W/BA9S/T2.75/CL/FLAT-TOP/7500H

also known as
Cross-Reference:


1E855 GRAINGER
120-MB SSTL
120/MB USA
120/MBS USA
120B/AM8-967 AMERICAN-MINI-LAMP-INCORPERATED
120B/AM8-967 USA
120MB-BP EIKO
120MB-BULK EIKO
120MB-BULK USA
120MB-FLAT-TOP USA
120MB-PHILIPS NORELCO
120MB-S/T2-1-2-120V-MINI-BAY LAMPTECH
120MB-S LAMPTECH
120MB-USA NORELCO
120MB/120V/0.025A/T2.5/BA9S
120MB/120V/0.025A CEC
120MB/120V/0.025A USA
120MB/120V/0.03A USA
120MB/120V/3W/BA9S USA
120MB/120V/3W USA
120MB/120V/.025A/T2.5/FLAT/TOP/10000HOURS MICRO-LAMPS
120MB/120V/.025A/T2.5/FLAT/TOP/10000HOURS MICROLAMP
120MB/120V/.025A/T2.5/MINI-BAYONET MICRO-LAMPS
120MB/120V/.025A/T2.5/MINI-BAYONET MICROLAMP
120MB/120.00V/.25A/TELEPHONE-BAYONET/T-2-1-2/0.32CP/6240-00-939-7859 JKL
120MB/120.00V/.25A/TELEPHONE-BAYONET/T-2-1/2/0.32CP/6240-00-939-7859 JKL
120MB/120.0V/.025A/BAYONET-BASED-TELEPHONE/T-2-1-2/.32CP/4.02L/28MMMOL/10000H JKL
120MB/120.0V/.025A/BAYONET-BASED-TELEPHONE/T-2-1/2/.32CP/4.02L/28MMMOL/10000H JKL
120MB/34503 SYLVANIA
120MB/04613534503 SYLVANIA
120MB/AM8-967 USA
120MB/FLAT-TOP MICRO-LAMPS
120MB/T2-1-2-120V-.025A-MIN-BAY LAMPTECH
120MB/T2.5/BA9S/TEL.-INDICATOR/120V/0.025A/10/100/0.36MSCP/10000H/CC-3A/1.20INCHMOL
120MB ANSI
120MB BULBDIRECT
120MB BULBRITE
120MB CEC
120MB CHICAGO-MINIATURE
120MB EDISON-COMPANY
120MB EIKO
120MB GENERAL-ELECTRIC
120MB GENERAL-INSTRUMENT-CORP
120MB HALCO
120MB HIDSI
120MB INTERLIGHT
120MB JKL
120MB LAMPTECH
120MB MICRO-LAMPS
120MB NORELCO
120MB NORMAN
120MB OSRAM
120MB PHILIPS
120MB SATCO
120MB SSTL
120MB STANDARDPRO
120MB USA
120V/MB-FLAT-TOP/120V/0.025A USA
120VMB-FLAT-TOP USA
120VMB/120V/0.025A/T2.5/BA9S/FLAT-TOP
120VMB/FLAT-TOP
120VMB/FLAT-TOP/120V/3W/BA9S USA
6240-00-939-7859 FEDERAL-STOCK-NUMBER
12078/120V/.025A/T2.5/MINI-BAYONET MICRO-LAMPS
12078 GENERAL-ELECTRIC
12078 MICRO-LAMPS
34503-0 SYLVANIA
34503 OSRAM
34503 SYLVANIA
40224 EIKO
40224 UPC
40226 EIKO
40226 UPC
50230 STANDARDPRO
116743-B120MB-BA9S-8.3X31-120V-25MA ORBITEC
116743/120V/3W/BA9S ORBITEC
116743/120V/3W ORBITEC
116743/B120MB/BA9S-8.3X31-120V-25MA ORBITEC
116743 ORBITEC
04613534503 SYLVANIA
69549002302
69549002302UPC STANDARDPRO
6240009397859
B-120-MB-BA9S-8.3X31-120V-25MA ORBITEC
B-120-MB/BA9S-8.3X31-120V-25MA ORBITEC
Know a cross-reference for this bulb
to add to this list?


Please enter:
bulb number
brand of bulb
B-120-MB ORBITEC
B120-MB ORBITEC
B120MB-BA9S-8.3X31-120V-25MA ORBITEC
B120MB/120V/0.025A ORBITEC
B120MB/120V/3W/BA9S ORBITEC
B120MB/120V/3W ORBITEC
B120MB/BA9S-8.3X31-120V-25MA ORBITEC
B120MB ORBITEC
BA9S-8.3X31-120V-25MA/B120MB/116743 ORBITEC
BA9S-8.3X31-120V-25MA ORBITEC
BA9S-8.3X31MM-120V-25MA/B120MB/116743 ORBITEC
I/120V/0.025A/BA9S/T2.5/5000H
I/120V/0.025A/BA9S/T2.5/FLAT-TOP
I/120V/2W/BA9S/T2.75/CL/FLAT-TOP/5000H/120MB USA
I/120V/2W/BA9S/T2.75/CL/FLAT-TOP/7500H/120MB USA
I/120V/2W/BA9S/T2.75/CL/FLAT-TOP/7500H 120MB USA
I/120V/3W/BA9S/T2.5/CC7A
I/120V/3W/BA9S/T2.5/CC7A/31MMMOL
I/120V/3W/BA9S/T2.5/CC7A/31MMMOL/3000H
I/120V/3W/BA9S/T2.5/CL/FLAT-TOP/5000H
I/120V/3W/BA9S/T2.5/CL/FLAT-TOP/5000H/120MB USA
I/120V/3W/BA9S/T2.5/CL/FLAT-TOP/7500H
I/120V/3W/BA9S/T2.5/CL/FLAT-TOP/7500H/120MB USA
I/120V/3W/BA9S/T2.5/FLAT-TOP
I/120V/3W/BA9S/T2.5/FLAT-TOP/5000H
I/120V/3W/BA9S/T2.5/FLAT-TOP/5000H/120MB USA
I/120V/3W/BA9S/T2.5/FLAT-TOP/7500H
I/120V/3W/BA9S/T2.5/FLAT-TOP/7500H/120MB USA
I/120V/3W/BA9S/TUBE
IE855 GRAINGER
SR-120VOLT-BA9S
SR-BA9S-120VOLT
T2.5/CL/120V/0.025A/BA9S/STD STANDARDPRO
TEL/120MB GENERAL-ELECTRIC

120MB USA
I/120V/2W/BA9S/T2.75/CL/FLAT-TOP/7500H

have been found in equipment:

>> no equipment cross-references entered yet <<
Know any equipment using this bulb to add to this list?
Enter as much information as possible: example:
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