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$6.809
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$6.618
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$6.618
Each (In a Pack of 10)
units
BA9s T10 Orange 220/250 V 4.5 mA 28 mm 50000h
RS Stock No. 104-749
BrandRS PRO
HK$3.944
Each (In a Pack of 10)
units
E10 T10 Red 220/250 V 2.6 mA 30 mm 50000h
RS Stock No. 655-9609
BrandRS PRO
HK$8.865
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. 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$9.278
Each (In a Pack of 10)
units
E10 9 mm Orange 220/250 V 1.8 mA 28 mm 50000h
RS Stock No. 891-3765
Mfr. Part No.2150QA4
BrandVCC
HK$20.909
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 41.91 mm -
RS Stock No. 106-212
BrandRS PRO
HK$9.278
Each (In a Pack of 10)
units
BA9s T10 Green 100/120 V 1.8 mA 28 mm 50000h
RS Stock No. 104-755
BrandRS PRO
HK$4.198
Each (In a Pack of 10)
units
BA9s T10 Red 100/125 V ac/dc 2.5 mA 28 mm 50000h
RS Stock No. 890-5906
Mfr. Part No.2112AX5
BrandVCC
HK$24.267
Each (In a Pack of 500)
units
Wire Terminal - - 105 → 125 V ac - 42.42 mm -
RS Stock No. 105-023
BrandRS PRO
HK$5.075
Each (In a Pack of 10)
units
E10 T10 Red 110/200/250 V 600 μA 28 mm 50000h
RS Stock No. 891-3768
Mfr. Part No.2150QA1
BrandVCC
HK$20.909
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 41.91 mm -
RS Stock No. 104-727
BrandRS PRO
HK$3.213
Each (In a Pack of 10)
units
E10 T10 Red 110/125 V 2.5 mA 28 mm 50000h
RS Stock No. 104-761
BrandRS PRO
HK$4.198
Each (In a Pack of 10)
units
BA9s T10 Orange 220/250 V 2.5 mA 28 mm 50000h
RS Stock No. 891-3777
Mfr. Part No.2110A1
BrandVCC
HK$19.388
Each (In a Pack of 10)
units
Wire Terminal - Red 105 → 125 V ac - 42.42 mm -
RS Stock No. 891-3761
Mfr. Part No.2150QA3
BrandVCC
HK$20.909
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 41.91 mm -
RS Stock No. 655-9671
BrandRS PRO
HK$7.742
Each (In a Pack of 10)
units
BA9 10.3 mm Orange 220/250 V 4.5 mA 30 mm 50000h
RS Stock No. 891-3796
Mfr. Part No.2110QA1
BrandVCC
HK$21.676
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 42.67 mm -
RS Stock No. 104-733
BrandRS PRO
HK$7.166
Each (In a Pack of 10)
units
E10 T10 Red 220/250 V 2.5 mA 28 mm 50000h
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