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
£0.193
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
£0.275
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. 891-4051
Mfr. Part No.2153A5
BrandVCC
£3.58
Each
Units
Wire Terminal - Green 208 → 250 V ac - 44.45 mm -
RS Stock No. 655-9407
BrandRS Pro
£0.28
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. 645-5838
Mfr. Part No.BN-9-C2-R
BrandSato Parts
£3.256
Each (In a Pack of 5)
Units
- - Red 200 → 250 V ac - - -
RS Stock No. 655-9671
BrandRS Pro
£0.909
Each (In a Pack of 10)
Units
BA9 10.3 mm Clear 220/250 V 4.5 mA 30 mm 50000h
RS Stock No. 645-5670
Mfr. Part No.BN-7-2-R
BrandSato Parts
£2.988
Each (In a Pack of 5)
Units
- - Red 200 → 250 V ac - - -
RS Stock No. 104-733
BrandRS Pro
£0.80
Each (In a Pack of 10)
Units
E10 T10 Red 220/250 V 2.5 mA 28 mm 50000h
RS Stock No. 891-4055
Mfr. Part No.2153A6
BrandVCC
£3.13
Each
Units
Wire Terminal - Blue 208 → 250 V ac - 44.45 mm -
RS Stock No. 645-5658
Mfr. Part No.BN-7-2-G
BrandSato Parts
£3.72
Each (In a Pack of 5)
Units
- - Green 200 → 250 V ac - - -
RS Stock No. 630-0176
Mfr. Part No.BN-2-1-R
BrandSato Parts
£1.57
Each
Units
Solder Tabs, Tabs - Red 100 → 125 V ac - 41.4 mm 20000h
RS Stock No. 655-9457
BrandRS Pro
£0.909
Each (In a Pack of 10)
Units
E10 9 mm Orange 100/120 V 4.5 mA 30 mm 50000h
RS Stock No. 655-9609
BrandRS Pro
£1.033
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. 104-761
BrandRS Pro
£0.418
Each (In a Pack of 10)
Units
BA9s T10 Clear 220/250 V 2.5 mA 28 mm 50000h
RS Stock No. 645-5513
Mfr. Part No.BN-5665-2-R
BrandSato Parts
£2.724
Each (In a Pack of 5)
Units
Solder Tabs - Red 200 → 250 V ac - 44.2 mm 20000h
RS Stock No. 645-5894
Mfr. Part No.BN-9-D2-G
BrandSato Parts
£3.454
Each (In a Pack of 5)
Units
- - Green 200 → 250 V ac - - -
RS Stock No. 645-5816
Mfr. Part No.BN-9-C2-G
BrandSato Parts
£3.988
Each (In a Pack of 5)
Units
- - Green 200 → 250 V ac - - -
RS Stock No. 645-5276
Mfr. Part No.BN-24-2-R
BrandSato Parts
£4.382
Each (In a Pack of 5)
Units
- - Red 200 → 250 V ac - - -
RS Stock No. 104-749
BrandRS Pro
£0.418
Each (In a Pack of 10)
Units
E10 T10 Red 220/250 V 2.6 mA 30 mm 50000h
RS Stock No. 104-755
BrandRS Pro
£0.418
Each (In a Pack of 10)
Units
BA9s T10 Red 100/125 V ac/dc 2.5 mA 28 mm 50000h
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A suitable series resistor must be used with ...
Description:
A suitable series resistor must be used with this lamp.