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. 655-9413
BrandRS Pro
TWD11
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. 105-017
BrandRS Pro
TWD7
Each (In a Pack of 10)
units
Wire Terminal T2 Clear 110/230 V 500 μA 46 mm 20000h
RS Stock No. 106-385
BrandRS Pro
TWD62
Each
units
SES/E14 T16 Red 220/250 V 4.5 mA 54 mm 25000h
RS Stock No. 891-4443
Mfr. Part No.2620QK3
BrandVCC
TWD120
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 17.53 mm -
RS Stock No. 891-4777
Mfr. Part No.2620K3
BrandVCC
TWD77
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 17.53 mm -
RS Stock No. 655-9407
BrandRS Pro
TWD10
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. 890-5900
Mfr. Part No.2110AX3
BrandVCC
TWD64
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 42.42 mm -
RS Stock No. 891-4051
Mfr. Part No.2153A5
BrandVCC
TWD103
Each
units
Wire Terminal - Green 208 → 250 V ac - 44.45 mm -
RS Stock No. 106-212
BrandRS Pro
TWD43
Each (In a Pack of 10)
units
BA9s T10 Green 100/120 V 1.8 mA 28 mm 50000h
RS Stock No. 655-9435
BrandRS Pro
TWD15
Each (In a Pack of 10)
units
E10 9 mm Orange 220/250 V 600 μA 30 mm 50000h
RS Stock No. 891-3787
Mfr. Part No.2112A5
BrandVCC
TWD91
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 42.42 mm -
RS Stock No. 655-9609
BrandRS Pro
TWD38
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. 221-2564
Mfr. Part No.N75844
BrandOrbitec
TWD138
Each (In a Pack of 10)
units
E10 - - 220 V 1.3 mA 28 mm 10000h
RS Stock No. 105-039
BrandRS Pro
TWD30
Each (In a Pack of 10)
units
BA9s T10 Clear 220/250 V 4.5 mA 28 mm 50000h
RS Stock No. 891-4449
Mfr. Part No.2622K5
BrandVCC
TWD111
Each
units
Wire Terminal - - 105 → 125 V ac - 17.53 mm -
RS Stock No. 106-414
BrandRS Pro
TWD21
Each (In a Pack of 10)
units
BA9s T10 Clear 100/120 V 600 μA 28 mm 50000h
RS Stock No. 890-5906
Mfr. Part No.2112AX5
BrandVCC
TWD91
Each (In a Pack of 500)
units
Wire Terminal - - 105 → 125 V ac - 42.42 mm -
RS Stock No. 891-4452
Mfr. Part No.2620QK4
BrandVCC
TWD92
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 17.53 mm -
RS Stock No. 891-3780
Mfr. Part No.2110A4
BrandVCC
TWD64
Each (In a Pack of 10)
units
Wire Terminal - White 105 → 125 V ac - 42.42 mm -
RS Stock No. 891-3759
Mfr. Part No.2152A5
BrandVCC
TWD103
Each
units
Wire Terminal - Green 105 → 125 V ac - 44.45 mm -