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You are here: Home > Miniature Bulbs By Filament Design > C-2R Filament Design
C-2R Filament Design Miniature Light Bulbs have a single coil (C) filament design. Unless noted otherwise, C-2R filament design light bulbs utilize tungsten filament construction because of its (tungsten) high melting point at incandescence. The number following the coil design indicator (C) indicates the design of the filament supports. The filament is the primary light producing component in a light bulb. Its design is critical to ensuring the lamp will operate as intended. Unless specified otherwise, lamp filaments today are made of tungsten, in various shapes/designs for different applications. Tungsten filaments have replaced carbon filaments due to their increased durability and because carbon filaments evaporate more rapidly at high temperatures whereas tungsten filaments have slower rates of evaporation at high temperatures.
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PR30 Flashlight Bulb P13.5S Base PR18 Flashlight Bulb P13.5S Base
Our Price: $0.18
Our Price: $0.21
PR30 Flashlight Bulb P13.5S Base, PR BULB 3.75V .86A 2.25CP, #PR30 MINIATURE BULB, #PR30, PR30, #PR30 FLASHLIGHT BULB #PR30 BULB, #PR30 MINIATURE, #PR30 LAMP, #PR30 MINIATURE LAMP, #PR30 MINIATURE LAMPS, #PR30 INDICATOR, EIKO# 40106 PR18 Flashlight Bulb P13.5S Base, PR BULB 7.2V .55A 4.2CP, #PR18 MINIATURE BULB, #PR18, PR18, #PR18 FLASHLIGHT BULB #PR18 BULB, #PR18 MINIATURE, #PR18 LAMP, #PR18 MINIATURE LAMP, #PR18 MINIATURE LAMPS, #PR18 INDICATOR, EIKO# 40096
PR30 Flashlight Bulb P13.5S Base - 3.75 Volt 0.86 Amp 3.225 Watt B-3-1/2 Single Contact Base, 40 Hour PR18 Flashlight Bulb P13.5S Base - 7.20 Volt 0.55 Amp 3.96 Watt B-3-1/2 P13.5S Base, 3 Hour
#222 Miniature Bulb E10 Base PR4 Flashlight Bulb P13.5S Base
Our Price: $0.21
Our Price: $0.22
#222 Miniature Bulb E10 Base, TL3 M SCREW 2.25V .25A , 222, #222, #222 Bulb, #222 Lamp, #222 Miniature, #222 Miniature Lamp, #222 Indicator, Eiko# 40492,#222 Flashlight Bulb,#222 Automotive Bulb,#222 Automotive Lamp,Eiko#222, CEC#222,#222 Mini Bulb PR4 Flashlight Bulb P13.5S Base, PR Bulb 2.33V .27A .40CP, #PR4 Miniature Bulb, #PR4, PR4, #PR4 Flashlight Bulb, #PR4 Bulb, #PR4 Miniature, #PR4 Lamp, #PR4 Miniature Lamp, #PR4 Mini Bulb, #PR4 Indicator, Eiko# 40108,Eiko PR4 Flashlight Bulb
#222 Miniature Bulb E10 Base - 2.25 Volt 0.27 Amp 0.5625 Watt TL-3, E10 Base, 5 Hour
PR4 Flashlight Bulb P13.5S Base - 2.33 Volt 0.27 Amp B-3-1/2 P13.5S Base, 10 Hour
PR2 Flashlight Bulb P13.5S Base PR6 Flashlight Bulb P13.5S Base
Our Price: $0.22
Our Price: $0.22
PR2 Flashlight Bulb P13.5S Base,3BB41,PR Bulb 2.38V .5A .80CP,6240-00-155-7786,#PR2 Miniature Lamp, #PR2, PR2, #PR2 Flashlight Bulb, #PR2 Bulb,#PR2 Mini Lamp, #PR2 Mini Bulb, #PR2 Indicator, Eiko# 40100,Eiko PR2 Flashlight Bulb,Eiko #PR2 PR6 Flashlight Bulb P13.5S Base, PR BULB 2.47V .30A .45CP, #PR6 Miniature Bulb, #PR6, PR6, #PR6 Flashlight Lamp, #PR6 Bulb, #PR6 Mini Bulb, #PR6 Mini Lamp, #PR6 Miniature Lamp,#PR6 Indicator, Eiko# 40112,Eiko PR6 Flashlight Bulb,Eiko #PR6 Flashlight Lamp
PR2 Flashlight Bulb P13.5S Base - 2.38 Volt 0.50 Amp 1.19 Watt B-3-1/2 P13.5S Base, 15 Hour PR6 Flashlight Bulb P13.5S Base - 2.47 Volt 0.30 Amp 0.741 Watt B-3-1/2 P13.5S Base, 30 Hour
PR3 Flashlight Bulb P13.5S Base PR7 Flashlight Bulb P13.5S Base
Our Price: $0.22
Our Price: $0.22
PR3 Flashlight Bulb P13.5S Base, PR3 Bulb 3.57V .50A 1.50CP,3BB42,6240-00-155-7916,#PR3 Miniature Bulb, #PR3, PR3, #PR3 Flashlight Lamp, #PR3 Bulb, #PR3 Miniature Lamp, #PR3 Lamp, #PR3 Miniature Lamps, #PR3 Indicator, Eiko# 40104,Eiko PR3 Flashlight Bulb PR7 Flashlight Bulb P13.5S Base, PR BULB 3.70V .30A .90CP, #PR7 Bulb, #PR7, PR7, #PR7 Flashlight Lamp, #PR7 Bulb, #PR7 Mini Bulb,#PR7 Mini LAMP, PR7 Indicator, Eiko# 40114,Eiko PR7 Flashlight Bulb
PR3 Flashlight Bulb P13.5S Base - 3.57 Volt 0.30 Amp 1.785 Watt B-3-1/2 P13.5S Base, 15 Hour
PR7 Flashlight Bulb P13.5S Base - 3.70 Volt 0.30 Amp 1.11 Watt B-3-1/2 P13.5S Base, 30 Hour
PR12 Flashlight Bulb P13.5S Base PR13 Flashlight Bulb P13.5S Base
Our Price: $0.22
Our Price: $0.22
PR12 Flashlight Bulb P13.5S Base, 3BB39,12680,38931,1547110,6240-00-299-6767,PR12, #PR12 Flashlight Bulb, #PR12 Lamp, #PR12 Mini Bulb, #PR12 Mini Lamp, #PR12 Flashlight Lamp, #PR12 Miniature Lamp, #PR12 Indicator, EIKO# 40084,Eiko Flashlight Bulb PR12 PR13 Flashlight Bulb P13.5S Base, PR Bulb 4.75V .50A 2.0CP,3BB40,#3BB40,#PR13 Miniature Bulb,PR13, #PR13 Flashlight lamp, #PR13 Bulb, #PR13 Mini Bulb, #PR13 Lamp, #PR13 Mini Lamp, #PR13 Indicator, EIKO# 40086,6240-00-844,#6240-00-844-1758,Eiko PR13
PR12 Flashlight Bulb P13.5S Base - 5.95 Volt 0.50 Amp 2.975 Watt B-3-1/2 P13.5S Base, 15 Hour PR13 Flashlight Bulb P13.5S Base - 4.75 Volt 0.50 Amp 2.375 Watt B-3-1/2 P13.5S Base, 15 Hour
PR15 Flashlight Bulb P13.5S Base PR16 Flashlight Bulb P13.5S Base
Our Price: $0.22
Our Price: $0.22
PR15 Flashlight Bulb P13.5S Base, PR B Bulb 4.82V .50A 2.00CP, #PR15 Miniature Lamp, #PR15, PR15, #PR15 Flashlight Lamp, #PR15 Mini Lamp, #PR15 Lamp, #PR15 Standard Flashlight Bulb, #PR15 Indicator, Eiko# 40090,6240-00-044-5026, Eiko PR15 Flashlight Bulb PR16 Flashlight Bulb P13.5S Base, PR Bulb 12.5V .25A 2.7CP, #PR16 Miniature Bulb, #PR16, PR16, #PR16 Flashlight Lamp, #PR16 Miniature Lamp, #PR16 Lamp, #PR16 Mini Bulb, #PR16 Mini Lamp, #PR16 Indicator, Eiko# 40092,Eiko PR16 Flashlight Bulb
PR15 Flashlight Bulb P13.5S Base - 4.82 Volt 0.50 Amp 2.41 Watt B-3-1/2 P13.5S Base, 30 Hour PR16 Flashlight Bulb P13.5S Base - 12.50 Volt 0.25 Amp 3.125 Watt B-3-1/2 P13.5S Base, 50 Hour
PR31 Flashlight Bulb P13.5S Base #2114 Miniature Bulb Wire Terminal Base
Our Price: $0.22
Our Price: $0.27
PR31 Flashlight Bulb P13.5S Base, PR BULB 2.4V 0.7A , #PR31 MINIATURE BULB, #PR31, PR31, #PR31 FLASHLIGHT BULB #PR31 BULB, #PR31 MINIATURE, #PR31 LAMP, #PR31 MINIATURE LAMP, #PR31 MINIATURE LAMPS, #PR31 INDICATOR, PR-31 #2114 Miniature Bulb Wire Terminal Base,6V .06A T1-1/4 Wire Terminal,#2114 indicator,#2114 miniature lamp,#2114 Bulb,#2114 Miniature,#2114 lamp
PR31 Flashlight Bulb P13.5S Base - 2.4 Volt 0.7 Amp 1.68 Watt B-3-1/2 Single Contact Base, 40 Hour #2114 Miniature Bulb Wire Terminal Base - 6 Volt 0.06 Amp 0.36 Watt T1-1/4, Wire Terminal Base, 3,000 Hour
#2200 Miniature Bulb Wire Terminal Base #909 Miniature Bulb Glass Wedge Base
Our Price: $0.27
Our Price: $0.27
#2200 Miniature Bulb Wire Terminal Base,5V .06A T1-3/4 Wire Terminal,#2200,
#2200 Miniature Lamp,#2200,2200,#2200 Miniature,#2200 Indicator,#2200 lamp,#2200 bulb, Eiko#40488 #909 Miniature Bulb Glass Wedge Base, T5 Wedge 6V .62A 3CP, 909,#909, #909 Bulb, #909 Miniature, #909 Lamp, #909 Indicator, Eiko# 41016
#2200 Miniature Bulb Wire Terminal Base - 5 Volt 0.06 Amp 0.30 Watt T1-3/4  Wire Terminal Base, 25,000 Hour #909 Miniature Bulb Glass Wedge Base - 6.0 Volt 0.62 Amp T5 Glass Wedge Base, 50 Hour
#1847 MINIATURE BULB BA9S BASE #159 Miniature Bulb Glass Wedge Base
Our Price: $0.29
Our Price: $0.29
#1847 MINIATURE BULB BA9S BASE, T3 1/4 M BAY 6.3V .15A .38CP, #1847, 1847, #1847 BULB, #1847 LAMP, #1847 MINIATURE LAMP, #1847 INDICATOR, EIKO #40390 #159 MINIATURE BULB GLASS WEDGE BASE, T3 1/4 WEDGE 6.3V .15A .34CP, #159, 159, #159 BULB, #159 LAMP, #159 MINIATURE, #159 MINIATURE LAMP, #159 INDICATOR, EIKO# 40303
#1847 MINIATURE BULB BA9S BASE - 6.3 Volt 0.15 Amp 0.945 Watt T-3-1/4 Miniature Bayonet Base, 5,000 Hour #159 MINIATURE BULB GLASS WEDGE BASE - 6.3 Volt 0.15 Amp 0.945 Watt T3-1/4 Miniature Wedge Base,  5000 Hour
#901 Miniature Bulb Glass Wedge Base #555A Amber Miniature Bulb Glass Wedge Base
Our Price: $0.29
Our Price: $0.30
#901 Miniature Bulb Glass Wedge Base, T5 Wedge 12.8V .335A3.7CP, 3BB22,#3BB22,901, #901, #901 Bulb, #901 Lamp, #901 Miniature Lamp, #901 Indicator, Eiko# 42141 #555A Amber Miniature Bulb Glass Wedge Base, Amber T3 1/4 Wedge 6.3V .25A .9CP, 555A, #555A, #555A Bulb, #555A Miniature, #555A Lamp, #555A Indicator, #555A Painted Amber Miniature Lamp,#555A Automotive Bulb,#555A Automotive Lamp,CEC#555A,#555A Mini Bulb
#901 Miniature Bulb Glass Wedge Base - 12.8 Volt 0.31 Amp 3.968 Watt T5 Glass Wedge Base, 500 Hour #555A Amber Miniature Bulb Glass Wedge Base - 6.3 Volt .25 Amp 1.575 Watt T3-1/4 Amber Glass Wedge Base, 3,000 Hour
#680 Miniature Bulb Wire Terminal Base #328 Miniature Bulb Midget Flange Base
Our Price: $0.31
Our Price: $0.32
#680 Miniature Bulb Wire Terminal Base, T1 Wire Terminal 5V .06A .03CP, 680, #680, #680 Lamp, #680 Miniature, #680 Bulb, #680 Indicator, EIKO# 40852,#680 Automotive Bulb,#680 Automotive Lamp,#680 Mini Bulb,#680 Mini Lamp,CEC#680 #328 Miniature Bulb Midget Flange Base,  T1 3/4 SC MID FLG 6V .2A .34CP, #328 MINIATURE BULB, #328, 328, #328 BULB, #328 MINIATURE, #328 LAMP, #328 MINIATURE LAMP, #328 INDICATOR, EIKO# 40598
#680 Miniature Bulb Wire Terminal Base - 5 Volt .06 Amp 0.3 Watt T-1 Wire Terminal Base, 60,000 Hour #328 Miniature Bulb Midget Flange Base - 6 Volt 0.2 Amp 1.2 Watt T1-3/4 Midget Flange Base, 1,000 Hour
PR20 Flashlight Bulb P13.5S Base #41 Miniature Bulb E10 Base
Our Price: $0.33
Our Price: $0.33
PR20 Flashlight Bulb P13.5S Base, PR Bulb 8.63V .50A 5.00CP, #PR20 Miniature Bulb, #PR20, PR20, #PR20 Flashlight Lamp, #PR20 Bulb, #PR20 Mini Lamp, #PR20 Mini Bulb, #PR20 Miniature Lamp, #PR20 Indicator, Eiko# 40102,PR20 Lamp,PR20 Indicator,Eiko PR20 #41 MINIATURE BULB E10 BASE, T3 1/4 2.5V .5A .5CP, 41, #41, #41 BULB, #41 MINIATURE, #41 LAMP, #41 INDICATOR, EIKO# 40700,6240-00-155-8668,#6240-00-155-8668
PR20 Flashlight Bulb P13.5S Base - 8.63 Volt 0.50 Amp 4.315 Watt B-3-1/2 P13.5S Base, 15 Hour #41 MINIATURE BULB E10 BASE - 2.5 Volt 0.5 Amp 1.25 Watt T3 Miniature Screw Base, 3,000 Hour
#46 Miniature Bulb E10 Base #243 Miniature Bulb E10 Base
Our Price: $0.33
Our Price: $0.33
#46 MINIATURE BULB E10 BASE, T3 1/4 M SCREW 6.3V.25A.9CP, 2FMR7,#2FMR7,46, #46, #46 BULB, #46 LAMP, #46 MINIATURE, #46 INDICATOR, EIKO #40726 #243 Miniature Bulb E10 Base, TL3 M Screw 2.33V .27A ,#243, 243, #243 Bulb, #243 Lamp, #243 Miniature, #243 Indicator, Eiko# 40520,#243 Flashlight Bulb,#243 Automotive Bulb,#243 Automotive Lamp,#243 Mini Bulb,#243 Mini Lamp,Eiko #243, CEC#243
#46 MINIATURE BULB E10 BASE - 6.3 Volt .25 Amp 1.575 Watt T3-1/4 Miniature Screw Base, 3,000 Hour #243 Miniature Bulb E10 Base - 2.33 Volt 0.27 Amp 0.6291 Watt TL-3, E10 Base, 10 Hour
#605 Miniature Bulb E10 Base #316 MINIATURE BULB BA9S BASE
Our Price: $0.33
Our Price: $0.33
#605 Miniature Bulb E10 Base, G4-1/2 MS 6.15V 0.5A 3.4CP, 605, #605, #605 Bulb, #605 Miniature, #605 Lamp, #605 Miniature Lamp, #605 Indicator, EIKO# 40826 #316 MINIATURE BULB BA9S BASE, T3 1/4 M BAY 6V .7A 3.4CP, 316, #316, #316 MINIATURE, #316 LAMP, #316 MINIATURE LAMP, #316 BULB, #316 INDICATOR
#605 Miniature Bulb E10 Base - 6.15 Volt 0.5 Amp 3.08 Watt G4-1/2 Miniature Screw Base, 15 Hour #316 MINIATURE BULB BA9S BASE - 6 Volt 0.70 Amp 4.20 Watt T-3 1/4 Miniature Bayonet Base, 500 Hour
#425 Miniature Bulb E10 Base #27 Miniature Bulb E10 Base
Our Price: $0.34
Our Price: $0.35
#425 Miniature Bulb E10 Base, G4 1/2 M Screw 5V .25A 2.3CP, #425, 425, #425 Miniature, #425 Bulb, #425 Lamp, #425 Miniature Lamp, #425 Indicator, EIKO #40702,#425 Mini Bulb,#425 Mini Lamp,#425 Automotive Bulb,#425 Automotive Lamp,Eiko#425 #27 Miniature Bulb E10 Base, G4 1/2 M SCREW 4.9V .3A 1.4CP, 6VC29, #6VC29,27, #27, #27 Bulb, #27 Miniature, #27 Miniature Lamp, #27 Lamp, #27 Indicator, EIKO #40539,6240-00-155-8671,#6240-00-155-8671
#425 Miniature Bulb E10 Base - 5 Volt .5 Amp 2.5 Watt G4-1/2 E10 Base, 15 Hour #27 Miniature Bulb E10 Base - 4.9 Volt .3 Amp 1.47 Watt G4-1/2 Miniature Screw Base, 1.4 MSCP, 30 Hour
   
 
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