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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Part Details Brand Stock Lamp Base Lamp Size Light Colour Voltage Rating Current Rating Length Life Hours
4 mm Clear Neon Indicator Lamp, Wire Terminal, 100/120/220/250 V 250 μA RS Pro 27180 Wire Terminal 4 mm Clear 100/120/220/250 V 250 μA 37 mm 20000h
T2 Clear Filament Indicator Lamp, Wire Terminal, 110/230 V 500 μA RS Pro 5770 Wire Terminal T2 Clear 110/230 V 500 μA 46 mm 20000h
4 mm Clear Neon Indicator Lamp, Wire Terminal, 100/120/220/250 V 600 μA RS Pro 4980 Wire Terminal 4 mm Clear 100/120/220/250 V 600 μA 37 mm 20000h
T10 Red Filament Indicator Lamp, E10, 110/125 V 2.5 mA RS Pro 3830 E10 T10 Red 110/125 V 2.5 mA 28 mm 50000h
4.75 mm Clear Neon Indicator Lamp, Lead Pins, 200 → 250 V 600 μA RS Pro 2490 Lead Pins 4.75 mm Clear 200 → 250 V 600 μA 19.85 mm 50000h
10.3 mm Orange Neon Indicator Lamp, BA9, 220/250 V 1.8 mA RS Pro 2020 BA9 10.3 mm Orange 220/250 V 1.8 mA 30 mm 50000h
T10 Red Filament Indicator Lamp, BA9s, 100/125 V ac/dc 2.5 mA RS Pro 880 BA9s T10 Red 100/125 V ac/dc 2.5 mA 28 mm 50000h
T10 Red Filament Indicator Lamp, E10, 110/200/250 V 600 μA RS Pro 880 E10 T10 Red 110/200/250 V 600 μA 28 mm 50000h
T10 Red Filament Indicator Lamp, E10, 220/250 V 2.5 mA RS Pro 840 E10 T10 Red 220/250 V 2.5 mA 28 mm 50000h
10.3 mm Orange Neon Indicator Lamp, BA9, 220/250 V 4.5 mA RS Pro 740 BA9 10.3 mm Orange 220/250 V 4.5 mA 30 mm 50000h
9 mm Orange Neon Indicator Lamp, E10, 220/250 V 1.8 mA RS Pro 640 E10 9 mm Orange 220/250 V 1.8 mA 30 mm 50000h
T10 Orange Filament Indicator Lamp, BA9s, 220/250 V 4.5 mA RS Pro 640 BA9s T10 Orange 220/250 V 4.5 mA 28 mm 50000h
T10 Orange Filament Indicator Lamp, BA9s, 12 V 1.8 mA RS Pro 630 BA9s T10 Orange 12 V 1.8 mA 28 mm 50000h
T10 Orange Filament Indicator Lamp, BA9s, 220/250 V 2.5 mA RS Pro 590 BA9s T10 Orange 220/250 V 2.5 mA 28 mm 50000h
9 mm Orange Neon Indicator Lamp, E10, 100/120 V 4.5 mA RS Pro 470 E10 9 mm Orange 100/120 V 4.5 mA 30 mm 50000h
9 mm Orange Neon Indicator Lamp, E10, 220/250 V 600 μA RS Pro 430 E10 9 mm Orange 220/250 V 600 μA 30 mm 50000h
T3 1/4 Red Filament Indicator Lamp, BA9s, 125 V RS Pro 390 BA9s T3 1/4 Red 125 V - 28 mm 25000h
T10 Orange Filament Indicator Lamp, BA9s, 100/120 V 600 μA RS Pro 280 BA9s T10 Orange 100/120 V 600 μA 28 mm 50000h
T16 Red Filament Indicator Lamp, SES/E14, 220/250 V 4.5 mA RS Pro 269 SES/E14 T16 Red 220/250 V 4.5 mA 54 mm 25000h
9 mm Orange Neon Indicator Lamp, E10, 220/250 V 1.8 mA RS Pro 260 E10 9 mm Orange 220/250 V 1.8 mA 28 mm 50000h
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