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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RS Stock No. 655-9671
BrandRS PRO
$1.748
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RS Stock No. 655-9413
BrandRS PRO
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RS Stock No. 105-017
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$0.494
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RS Stock No. 104-733
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RS Stock No. 891-4055
Mfr. Part No.2153A6
BrandVCC
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RS Stock No. 655-9407
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$0.688
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RS Stock No. 655-9609
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RS Stock No. 655-9334
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$2.188
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RS Stock No. 104-777
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RS Stock No. 655-9429
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$2.798
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RS Stock No. 221-2564
Mfr. Part No.N75844
BrandOrbitec
$5.337
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RS Stock No. 104-711
BrandRS PRO
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RS Stock No. 106-408
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$2.018
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RS Stock No. 630-0205
Mfr. Part No.BN-5701-1-R
BrandSato Parts
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RS Stock No. 104-761
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$1.452
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RS Stock No. 106-385
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$4.30
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RS Stock No. 211-178
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$1.51
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RS Stock No. 104-727
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RS Stock No. 655-9457
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