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. 655-9671
BrandRS PRO
$1.748
Each (In a Pack of 10)
units
BA9 10.3 mm Orange 220/250 V 4.5 mA 30 mm 50000h
RS Stock No. 105-017
BrandRS PRO
$0.494
Each (In a Pack of 10)
units
Wire Terminal T2 Clear 110/230 V 500 μA 46 mm 20000h
RS Stock No. 655-9413
BrandRS PRO
$0.673
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. 104-733
BrandRS PRO
$2.339
Each (In a Pack of 10)
units
E10 T10 Red 220/250 V 2.5 mA 28 mm 50000h
RS Stock No. 655-9407
BrandRS PRO
$0.688
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. 655-9609
BrandRS PRO
$2.54
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. 104-777
BrandRS PRO
$1.782
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. 655-9334
BrandRS PRO
$2.188
Each (In a Pack of 10)
units
BA9 10.3 mm Orange 220/250 V 1.8 mA 30 mm 50000h
RS Stock No. 655-9429
BrandRS PRO
$2.798
Each (In a Pack of 10)
units
E10 9 mm Orange 220/250 V 1.8 mA 28 mm 50000h
RS Stock No. 104-711
BrandRS PRO
$3.59
Each
units
Telephone Slide T6.8 Red 220/250 V 2.6 mA 45 mm 25000h
RS Stock No. 104-783
BrandRS PRO
$5.47
Each
units
Telephone Slide T5.5 Red 220/250 V 2.6 mA 30 mm 25000h
RS Stock No. 106-408
BrandRS PRO
$2.018
Each (In a Pack of 10)
units
BA9s T10 Orange 12 V 1.8 mA 28 mm 50000h
RS Stock No. 106-385
BrandRS PRO
$4.30
Each
units
SES/E14 T16 Red 220/250 V 4.5 mA 54 mm 25000h
RS Stock No. 104-761
BrandRS PRO
$1.452
Each (In a Pack of 10)
units
BA9s T10 Orange 220/250 V 2.5 mA 28 mm 50000h
RS Stock No. 655-9457
BrandRS PRO
$2.055
Each (In a Pack of 10)
units
E10 9 mm Orange 100/120 V 4.5 mA 30 mm 50000h
RS Stock No. 104-727
BrandRS PRO
$1.128
Each (In a Pack of 10)
units
E10 T10 Red 110/125 V 2.5 mA 28 mm 50000h
RS Stock No. 211-178
BrandRS PRO
$1.51
Each (In a Pack of 10)
units
BA9s T3 1/4 Red 250 V - 28 mm 25000h
RS Stock No. 106-420
BrandRS PRO
$2.836
Each (In a Pack of 10)
units
BA9s T10 Green 220/250 V 1.8 mA 28 mm 50000h
RS Stock No. 211-162
BrandRS PRO
$0.543
Each (In a Pack of 10)
units
BA9s T3 1/4 Red 125 V - 28 mm 25000h
RS Stock No. 106-212
BrandRS PRO
$2.269
Each (In a Pack of 10)
units
BA9s T10 Green 100/120 V 1.8 mA 28 mm 50000h
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