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. 211-162
BrandRS PRO
$0.612
Each (In a Pack of 10)
units
BA9s T3 1/4 Red 125 V - 28 mm 25000h
RS Stock No. 655-9457
BrandRS PRO
$2.281
Each (In a Pack of 10)
units
E10 9 mm Orange 100/120 V 4.5 mA 30 mm 50000h
RS Stock No. 104-705
BrandRS PRO
$4.27
Each
units
Telephone Slide T5.5 Red 220/250 V 1.5 mA 30 mm 25000h
RS Stock No. 104-727
BrandRS PRO
$1.271
Each (In a Pack of 10)
units
E10 T10 Red 110/125 V 2.5 mA 28 mm 50000h
RS Stock No. 106-408
BrandRS PRO
$2.274
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
$4.84
Each
units
SES/E14 T16 Red 220/250 V 4.5 mA 54 mm 25000h
RS Stock No. 411-2258
Mfr. Part No.3SX1731
BrandSiemens
$14.36
Each
units
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RS Stock No. 104-711
BrandRS PRO
$4.30
Each
units
Telephone Slide T6.8 Red 220/250 V 2.6 mA 45 mm 25000h
RS Stock No. 630-0176
Mfr. Part No.BN-2-1-R
BrandSato Parts
$4.46
Each
units
Solder Tabs, Tabs - Red 100 → 125 V ac - 41.4 mm 20000h
RS Stock No. 104-755
BrandRS PRO
$1.406
Each (In a Pack of 10)
units
BA9s T10 Red 100/125 V ac/dc 2.5 mA 28 mm 50000h
RS Stock No. 106-212
BrandRS PRO
$2.748
Each (In a Pack of 10)
units
BA9s T10 Green 100/120 V 1.8 mA 28 mm 50000h
RS Stock No. 104-783
BrandRS PRO
$6.16
Each
units
Telephone Slide T5.5 Red 220/250 V 2.6 mA 30 mm 25000h
RS Stock No. 630-0198
Mfr. Part No.BN-5640-1-G
BrandSato Parts
$9.10
Each
units
Solder Tabs - Green 100 → 125 V ac - 41 mm 20000h
RS Stock No. 104-749
BrandRS PRO
$1.034
Each (In a Pack of 10)
units
E10 T10 Red 220/250 V 2.6 mA 30 mm 50000h
RS Stock No. 106-414
BrandRS PRO
$1.817
Each (In a Pack of 10)
units
BA9s T10 Orange 100/120 V 600 μA 28 mm 50000h
RS Stock No. 105-039
BrandRS PRO
$1.795
Each (In a Pack of 10)
units
BA9s T10 Orange 220/250 V 4.5 mA 28 mm 50000h
RS Stock No. 655-9334
BrandRS PRO
$2.429
Each (In a Pack of 10)
units
BA9 10.3 mm Orange 220/250 V 1.8 mA 30 mm 50000h
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