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. 106-408
BrandRS PRO
HK$9.001
Each (In a Pack of 10)
units
BA9s T10 Orange 12 V 1.8 mA 28 mm 50000h
RS Stock No. 106-414
BrandRS PRO
HK$9.001
Each (In a Pack of 10)
units
BA9s T10 Orange 100/120 V 600 μA 28 mm 50000h
RS Stock No. 105-039
BrandRS PRO
HK$8.655
Each (In a Pack of 10)
units
BA9s T10 Orange 220/250 V 4.5 mA 28 mm 50000h
RS Stock No. 655-9609
BrandRS PRO
HK$11.818
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. 104-749
BrandRS PRO
HK$5.046
Each (In a Pack of 10)
units
E10 T10 Red 220/250 V 2.6 mA 30 mm 50000h
RS Stock No. 655-9441
BrandRS PRO
HK$6.744
Each (In a Pack of 10)
units
E10 9 mm Orange 220/250 V 1.8 mA 30 mm 50000h
RS Stock No. 655-9429
BrandRS PRO
HK$13.03
Each (In a Pack of 10)
units
E10 9 mm Orange 220/250 V 1.8 mA 28 mm 50000h
RS Stock No. 891-4067
Mfr. Part No.2111A3
BrandVCC
HK$22.50
Each (In a Pack of 10)
units
Wire Terminal - - 208 → 250 V ac - 42.42 mm -
RS Stock No. 891-4070
Mfr. Part No.2113A6
BrandVCC
HK$28.074
Each (In a Pack of 10)
units
Wire Terminal - - 208 → 250 V ac - 42.42 mm -
RS Stock No. 104-733
BrandRS PRO
HK$8.276
Each (In a Pack of 10)
units
E10 T10 Red 220/250 V 2.5 mA 28 mm 50000h
RS Stock No. 105-017
BrandRS PRO
HK$2.368
Each (In a Pack of 10)
units
Wire Terminal T2 Clear 110/230 V 500 μA 46 mm 20000h
RS Stock No. 104-755
BrandRS PRO
HK$6.701
Each (In a Pack of 10)
units
BA9s T10 Red 100/125 V ac/dc 2.5 mA 28 mm 50000h
RS Stock No. 891-3787
Mfr. Part No.2112A5
BrandVCC
HK$26.27
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 42.42 mm -
RS Stock No. 891-4455
Mfr. Part No.2622QK5
BrandVCC
HK$41.24
Each
units
Wire Terminal - - 105 → 125 V ac - 17.53 mm -
RS Stock No. 891-4073
Mfr. Part No.2151QA1
BrandVCC
HK$20.909
Each (In a Pack of 10)
units
Wire Terminal - - 208 → 250 V ac - 41.91 mm -
RS Stock No. 891-4061
Mfr. Part No.2113A5
BrandVCC
HK$26.279
Each (In a Pack of 10)
units
Wire Terminal - - 208 → 250 V ac - 42.42 mm -
RS Stock No. 891-3793
Mfr. Part No.2110QA4
BrandVCC
HK$22.833
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 42.67 mm -
RS Stock No. 891-4077
Mfr. Part No.2151QA3
BrandVCC
HK$20.88
Each (In a Pack of 10)
units
Wire Terminal - - 208 → 250 V ac - 41.91 mm -
RS Stock No. 891-4064
Mfr. Part No.2111A1
BrandVCC
HK$22.545
Each (In a Pack of 10)
units
Wire Terminal - - 208 → 250 V ac - 42.42 mm -
RS Stock No. 655-9457
BrandRS PRO
HK$7.742
Each (In a Pack of 10)
units
E10 9 mm Orange 100/120 V 4.5 mA 30 mm 50000h
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