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Miniature Light Bulbs

There are literally millions of different miniature light bulbs to choose from. Unfortunately, many

bulbs these days don't have an actual part number on them so you know which one to replace

it with, but that's where Farnsworth Electronics, Inc. comes in because we have excellent product

knowledge on miniature light bulbs. If we can't find it, they don't make it!


For starters, check out the list below to determine what kind of bulb you have:

 

There are so many different miniature bulbs out there that we want to make sure you choose the

correct one. These are just small pictures of bulbs, they aren't the exact size of what's listed,

basically for reference only. Also the measurements might be off a millimeter or two here and there

depending on the brand and age of the bulb you are looking for.  

MOD = maximum overall diameter (glass)

MOL = maximum overall length of the bulb (glass and base)

 

Click here to see LED versions of our incandescent bulbs

 

Here's all the different ones:

Type Picture (s) Description Measurements
B-3-1/2 Single Contact Miniature Flange Base MOD 0.43 inches (11.1mm)
MOL 1.25 inches (31.8mm)
B-6

Single Contact Bayonet Base

 

MOD 0.78 inches (19.7mm)

MOL 1.75 inches (44.5mm)

 

B-6 Double Contact Bayonet Base

MOD 0.78 inches (19.7mm)

MOL 1.75 inches (44.5mm)

 

C-7 Candelabra Screw Base MOD 0.875 inches (22.2mm)
MOL 2.30 inches (57.2mm)
C-7 Double Contact Bayonet Base MOD 0.875 inches (22.2mm)
MOL 2.19 inches (55.5mm)
G-3-1/2 Miniature Screw Base MOD 0.43 inches (11.1mm)
MOL 0.94inches (23.9mm)
G-3-1/2 Miniature Bayonet Base MOD 0.43 inches (11.1mm)
MOL 0.94inches (23.9mm)
G-3-1/2 Miniature Two-Pin Base MOD 0.43 inches (11.1mm)
MOL 0.94inches (23.9mm)
G-4-1/2 Miniature Screw Base MOD 0.56 inches (14.3mm)
MOL 1.06 inches (26.9mm)
G-4-1/2 Miniature Bayonet Base MOD 0.56 inches (14.3mm)
MOL 1.06 inches (26.9mm)
G-4-1/2 Miniature Two-Pin Base MOD 0.59 inches (15.0mm)
MOL 1.06 inches (26.9mm)
G-5 Miniature Bayonet Base MOD 0.65 inches (16.52mm)
MOL 1.38 inches (35.1mm)
G-6 Candelabra Screw Base MOD 0.75 inches (19.1mm)
MOL 1.38 inches (35.0mm)
G-6 Single Contact Bayonet Base MOD 0.75 inches (19.1mm)
MOL 1.44 inches (36.6mm)
G-6 Double Contact Bayonet Base MOD 0.75 inches (19.1mm)
MOL 1.44 inches (36.6mm)
G-16-1/2 Double Contact Prefocus Base MOD 2.12 inches (53.8mm)
MOL 3.00 inches (76.2mm)
G-16-1/2 Double Contact Bayonet Base MOD 2.12 inches (53.8mm)
MOL 3.00 inches (76.2mm)
R-12 Single Contact Bayonet Base MOD 1.55 inches (39.4mm)
MOL 2.63 inches (66.3mm)
RP-11 Single Contact Bayonet Base MOD 1.42 inches (36.1mm)
MOL 2.25 inches (57.1mm)
RP-11 Double Contact Bayonet Base MOD 1.42 inches (36.1mm)
MOL 2.25 inches (57.1mm)
RP-11 Single Contact Prefocus Base MOD 1.42 inches (36.1mm)
MOL 2.25 inches (57.1mm)
S-6 Candelabra Screw Base MOD 0.75 inches (19.0mm)
MOL 1.88 inches (47.8mm)
S-6 Double Contact Bayonet Base MOD 0.75 inches (19.0mm)
MOL 1.88 inches (47.8mm)
S-8 Single Contact Bayonet Base MOD 1.02 inches (26.0mm)
MOL 2.00 inches (50.8mm)
S-8 Double Contact Bayonet Base MOD 1.02 inches (26.0mm)
MOL 2.00 inches (50.8mm)
S-8 Double Contact Index Base MOD 1.02 inches (26.0mm)
MOL 2.00 inches (50.8mm)
S-8 Double Contact Prefocus Base MOD 1.02 inches (26.0mm)
MOL 2.00 inches (50.8mm)
S-8 Plastic Wedge Base MOD 1.02 inches (26.5mm)
MOL 2.09 inches (53.09mm)
S-8 Wire Terminals Base MOD 1.02 inches (26.0mm)
MOL 1.75 inches (44.0mm)
S-11 Single Contact Bayonet Base MOD 1.35 inches (34.4mm)
MOL 2.38 inches (60.4mm)
S-11 Single Contact Prefocus Base MOD 1.35 inches (34.4mm)
MOL 2.38 inches (60.4mm)
T-3/4 Wire Terminals MOD 0.09 inches (2.4mm)
MOL 0.20 inches (5.08mm)
T-1 Short Wire Terminals MOD 0.13 inches (3.2mm)
MOL 0.145 inches (3.66mm)
T-1 Standard Wire Terminals MOD 0.13 inches (3.2mm)
MOL 0.25 inches (6.35mm)
T-1 Sub Midget Flanged Base MOD 0.13 inches (3.2mm)
MOL 0.38 inches (9.7mm)
T-1 Bi-Pin Base MOD 0.13 inches (3.2mm)
MOL 0.38 inches (9.7mm)
T-1 Wire Terminals MOD 0.13 inches (3.2mm)
MOL 0.25 inches (6.4mm)
T-1 Bi-Pin Base MOD 0.13 inches (3.2mm)
MOL 0.38 inches (9.7mm)
T-1-1/4 Wire Terminals MOD 0.17 inches (4.35mm)
MOL 0.44 inches (11.1mm)
T-1-1/4 Bi-Pin Base MOD 0.17 inches (4.35mm)
MOL 0.60 inches (15.2mm)
T-1-1/4 Knurled Screw Base MOD 0.16 inches (4.1mm)
MOL 0.53 inches (13.9mm)
T-1-1/4 Screw Base MOD 0.16 inches (4.1mm)
MOL 0.53 inches (13.4mm)
T-1-1/4 Midget Flanged Base MOD 0.17 inches (4.35mm)
MOL 0.63 inches (16.0mm)
T-1-3/4 ba7s Base MOD 0.23 inches (5.8mm)
MOL 0.80 inches (20.3mm)
T-1-3/4

Wire Terminals

MOD 0.23 inches (5.8mm)
MOL 0.52 inches (13.2mm)
T-1-3/4 Sub Miniature Wedge Base MOD 0.23 inches (5.8mm)
MOL 0.80 inches (20.3mm)
T-1-3/4 Midget Flanged Base MOD 0.23 inches (5.8mm)
MOL 0.63 inches (16.0mm)
T-1-3/4 Miniature Screw Base MOD 0.23 inches (5.8mm)
MOL 0.72 inches (18.2mm)
T-1-3/4 Midget Grooved Base MOD 0.23 inches (5.8mm)
MOL 0.63 inches (16.0mm)
T-1-3/4 Bi-Pin Base MOD 0.23 inches (5.8mm)
MOL 0.63 inches (16.0mm)
T-1-3/4 Midget Screw Base MOD 0.23 inches (5.8mm)
MOL 0.63 inches (15.9mm)
T-1-3/4 Single Contact Midget Flanged Base MOD 0.23 inches (5.8mm)
MOL 0.63 inches (15.9mm)
T-2 Slide Base 5  0.27 inches (6.8mm)
MOL 0.92 inches (23.4mm)
T-2 Slide Base 5 MOD 0.27 inches (6.8mm)
MOL 1.12 inches (28.4mm)
T-2 Slide Base 3 MOD 0.27 inches (6.8mm)
MOL 1.69 inches (42.9mm)
T-2

Axial SF6/6 Base

MOD 0.24 inches (6.2mm)
MOL 1.26 inches (32.0mm)
T-2 Neon Wire Terminals MOD 0.25 inches (6.35mm)
MOL 1.00 inches (25.4mm)
T-2 Neon Miniature Flanged Base MOD 0.25 inches (6.35mm)
MOL 0.94 inches (23.9mm)
T-2 Neon Wire Terminals MOD 0.25 inches (6.35mm)
MOL 0.75 inches (23.9mm)
T-2-1/2 Miniature Bayonet Base MOD 0.33 inches (8.3mm)
MOL 1.19 inches (30.2mm)
T-3 End Caps MOD 0.37 inches (9.3mm)
MOL 1.72 inches (43.7mm)
T-3 Miniature Screw Base MOD 0.40 inches (10.2mm)
MOL 1.25 inches (31.8mm)
T-3 Rigid Loop MOD 0.39 inches (9.9mm)
MOL 1.72 inches (43.7mm)
T-3-1/4 Wedge Base MOD 0.40 inches (10.3mm)
MOL 1.06 inches (26.9mm)
T-3-1/4 Miniature Bayonet Base MOD 0.43 inches (11.0mm)
MOL 1.19 inches (30.1mm)
T-3-1/4 Miniature Screw Base MOD 0.43 inches (11.0mm)
MOL 1.19 inches (30.1mm)
T-3-1/4 Neon Miniature Bayonet Base MOD 0.43 inches (11.0mm)
MOL 1.19 inches (30.1mm)
T-4-1/2 Miniature Screw Base MOD 0.59 inches (15.0mm)
MOL 1.38 inches (35.1mm)
T-4-1/2 Miniature Bayonet Base MOD 0.59 inches (15.0mm)
MOL 1.38 inches (35.1mm)
T-4-1/2 Neon Candelabra Screw Base MOD 0.59 inches (15.0mm)
MOL 1.54 inches (38.9mm)
T-4-1/2 Neon Double Contact Bayonet Base MOD 0.59 inches (15.0mm)
MOL 1.5 inches (38.1mm)
T-5 Miniature Wedge Base MOD 0.62 inches (15.8mm)
MOL 1.49 inches (38.0mm)
TL-1-3/4 Sub Miniature Wedge Base MOD 0.23 inches (5.84mm)
MOL 0.69 inches (17.48mm)
TL-1-3/4 Midget Groove Base MOD 0.19 inches (4.7mm)
MOL 0.69 inches (17.5mm)
TL-3 Miniature Screw Base MOD 0.38 inches (9.5mm)
MOL 0.93 inches (23.6mm)