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. 891-4768
Mfr. Part No.2620K1
BrandVCC
TWD77
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 17.53 mm -
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. 106-408
BrandRS Pro
TWD28
Each (In a Pack of 10)
units
BA9s T10 Clear 100/120 V 1.8 mA 28 mm 50000h
RS Stock No. 891-4064
Mfr. Part No.2111A1
BrandVCC
TWD110
Each (In a Pack of 10)
units
Wire Terminal - - 208 → 250 V ac - 42.42 mm -
RS Stock No. 891-4455
Mfr. Part No.2622QK5
BrandVCC
TWD119
Each
units
Wire Terminal - - 105 → 125 V ac - 17.53 mm -
RS Stock No. 891-4089
Mfr. Part No.2113QA5
BrandVCC
TWD102
Each
units
Wire Terminal - - 208 → 250 V ac - 42.67 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. 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. 890-5919
Mfr. Part No.2620QK1
BrandVCC
TWD92
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 17.53 mm -
RS Stock No. 891-4067
Mfr. Part No.2111A3
BrandVCC
TWD64
Each (In a Pack of 10)
units
Wire Terminal - - 208 → 250 V ac - 42.42 mm -
RS Stock No. 630-0205
Mfr. Part No.BN-5701-1-R
BrandSato Parts
TWD74
Each
units
Solder Tabs - Red 100 → 125 V ac - 43 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. 106-420
BrandRS Pro
TWD42
Each (In a Pack of 10)
units
BA9s T10 Green 220/250 V 1.8 mA 28 mm 50000h
RS Stock No. 891-4049
Mfr. Part No.2151A3
BrandVCC
TWD104
Each (In a Pack of 10)
units
Wire Terminal - Amber 208 → 250 V ac - 44.45 mm -
RS Stock No. 891-4073
Mfr. Part No.2151QA1
BrandVCC
TWD73
Each (In a Pack of 10)
units
Wire Terminal - - 208 → 250 V ac - 41.91 mm -
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. 104-755
BrandRS Pro
TWD17
Each (In a Pack of 10)
units
BA9s T10 Red 100/125 V ac/dc 2.5 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