Neon Indicator Lamps

Neon indicator lamps (also called pilot lights) are lights used on some electrical equipment to indicate that electrical power is available or that the device is working. Light-emitting diodes (LEDs) are often used as an alternative. They generally have a long life, low current drain and are resistant to shock and vibration.

How do neon indicator lamps work?

Neon indicator lamps are designed with two electrodes within a small glass case. Two tin plated wires extend out of the lamp to make electrical connections to the electrodes. These lamps are filled with either a neon and argon gas mixture, with neon gas used entirely for high brightness lamps. When a voltage is applied, the gas ionizes, allowing a small current to travel from one electrode to the other. Once this has happened, a lower voltage maintains the operation of the lamp.

What are the different types of neon indicator lamps?

Neon indicator lamps are designed in different colours and with varying brightness levels. They are available in different lengths, voltages and current ratings.


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Description Price Lamp Base Lamp Size Light Colour Voltage Rating Current Rating Length Life Hours
RS Stock No. 105-017
BrandRS Pro
$0.461
Each (In a Pack of 10)
units
Wire Terminal T2 Clear 110/230 V 500 μA 46 mm 20000h
RS Stock No. 891-4055
Mfr. Part No.2153A6
BrandVCC
$4.85
Each
units
Wire Terminal - Blue 208 → 250 V ac - 44.45 mm -
RS Stock No. 104-761
BrandRS Pro
$1.355
Each (In a Pack of 10)
units
BA9s T10 Clear 220/250 V 2.5 mA 28 mm 50000h
RS Stock No. 104-777
BrandRS Pro
$1.922
Each (In a Pack of 10)
units
Lead Pins T1 1/4 Clear 100/250 V 250 μA 19.85 mm 50000h
RS Stock No. 655-9407
BrandRS Pro
$0.641
Each (In a Pack of 10)
units
Wire Terminal 4 mm Clear 100/120/220/250 V 600 μA 37 mm 20000h
RS Stock No. 655-9671
BrandRS Pro
$1.662
Each (In a Pack of 10)
units
BA9 10.3 mm Clear 220/250 V 4.5 mA 30 mm 50000h
RS Stock No. 630-0205
Mfr. Part No.BN-5701-1-R
BrandSato Parts
$3.58
Each
units
Solder Tabs - Red 100 → 125 V ac - 43 mm 20000h
RS Stock No. 104-733
BrandRS Pro
$2.184
Each (In a Pack of 10)
units
E10 T10 Red 220/250 V 2.5 mA 28 mm 50000h
RS Stock No. 655-9413
BrandRS Pro
$0.628
Each (In a Pack of 10)
units
Wire Terminal 4 mm Clear 100/120/220/250 V 250 μA 37 mm 20000h
RS Stock No. 211-178
BrandRS Pro
$1.628
Each (In a Pack of 10)
units
BA9s T3 1/4 Red 250 V - 28 mm 25000h
RS Stock No. 630-0182
Mfr. Part No.BN-2-1-G
BrandSato Parts
$3.44
Each
units
Solder Tabs, Tabs - Green 100 → 125 V ac - 41.4 mm 20000h
RS Stock No. 221-2564
Mfr. Part No.N75844
BrandOrbitec
$6.278
Each (In a Pack of 10)
units
E10 - - 220 V 1.3 mA 28 mm 10000h
RS Stock No. 655-9609
BrandRS Pro
$2.371
Each (In a Pack of 10)
units
Lead Pins 4.75 mm Clear 200 → 250 V 600 μA 19.85 mm 50000h
RS Stock No. 790-3044
Mfr. Part No.8350
$6.91
Each
units
- - - 230 V 400 μA - -
RS Stock No. 106-420
BrandRS Pro
$2.16
Each (In a Pack of 10)
units
BA9s T10 Green 220/250 V 1.8 mA 28 mm 50000h
RS Stock No. 655-9429
BrandRS Pro
$3.017
Each (In a Pack of 10)
units
E10 9 mm Orange 220/250 V 1.8 mA 28 mm 50000h
RS Stock No. 630-0198
Mfr. Part No.BN-5640-1-G
BrandSato Parts
$3.95
Each
units
Solder Tabs - Green 100 → 125 V ac - 41 mm 20000h
RS Stock No. 105-023
BrandRS Pro
$1.051
Each (In a Pack of 10)
units
E10 T10 Red 110/200/250 V 600 μA 28 mm 50000h
RS Stock No. 106-408
BrandRS Pro
$1.883
Each (In a Pack of 10)
units
BA9s T10 Clear 100/120 V 1.8 mA 28 mm 50000h
RS Stock No. 211-162
BrandRS Pro
$0.62
Each (In a Pack of 10)
units
BA9s T3 1/4 Red 125 V - 28 mm 25000h
Related Products
10mm coloured diffused polycarbonate lens and body. Optional ...
Description:
10mm coloured diffused polycarbonate lens and body. Optional chrome or white moulded bezel, both supplied. The white bezel should also be used to hold the indicator firmly from the rear when using the chrome bezel125V types suitable for 100-125Va.c.250V types ...
7mm coloured diffused polycarbonate lens. Nickel plated brass ...
Description:
7mm coloured diffused polycarbonate lens. Nickel plated brass bezel125V type suitable for 110-125V a.c.250V types suitable for 200-250V a.c.Opal lens illuminates orange. Average life expectancy 10000 hours when ran at 115V & 230V respectively.
14mm coloured diffused polycarbonate Prominent or low profile ...
Description:
14mm coloured diffused polycarbonate Prominent or low profile style lens. White nylon 6.6 body. Chrome bezel230V types suitable for 200-250Va.c.110V types suitable for 100-130Va.c.Average life expectancy - 20000 hours (except green - 5000 hours)0.25in. (6.3 x 0.8mm) terminals.
12mm coloured diffused polycarbonate lens. Snap-in fixing, no ...
Description:
12mm coloured diffused polycarbonate lens. Snap-in fixing, no additional hardware required230V types suitable for 200-250Va.c.110V types suitable for 100-130Va.c.Average life expectancy - 20000 hours (except green - 5000 hours)0.25in. (6.3 x 0.8mm) terminals.