Part #: UTL1835-1UB

Pilot Light LED Bulb, T3-1/4 (Ba9s) Miniature Bayonet

Sunlight-Visible, Replaces Lampholder's Incandescent 55V Bulb #1835

Ultra Blue, 5.0Vf, Utility & Power Plant LED Bulbs

Replaces Incandescent:1835 in ET5,ET6,ET16 Holders

  • Sale Item (Sale Terms & Conditions)
  • Long Life: Color LEDs: 100,000+ hours
    Lumen Maintenance of the White LEDs Is Greater than 70% at 50,000 Hours of Operation.
    (Rated Average Life Based on Engineering Testing and Probability Analysis)
  • Solid-State, High Shock/Vibration Resistant
  • Maintenance Free, Easy Installation
  • Low Power Consumption, High Intensity
  • Major Power Savings
  • Major Reduction in Heat Generation
  • Built-in, Current-Limiting Resistor
  • All DC Lamps Are Bipolar
  • 40+ Years LEDtronics Design & Manufacturing
  • 'Made in USA' option available for qualified volume orders. Contact the factory.


Price: $10.34 each | Min Qty: 10

Choose Options:

Color Options

Spec Sheets


  • Replaces incandescent lamps #1835
Series RPLH30
UL File No. E110075

30mm Pilot Lights
Series RPLH16
UL File No. E110075

16mm Pilot Lights


 Description5.0Vf,Sp.Blue,9mm Bay,Ext.Res.Rqd
 Base TypeMiniature Bayonet T3-1/4 (Ba9s)
 ColorSuper Blue
 Wavelength (nm)463nm
 Voltage (V)5.0Vf
 Power (Watts)0.40 W
 Current (Amps)0.080 A
 Operating Temp~-30°C to ~+50°C
 Intensity (Candela)3.000 cd
 SCP (Spherical Candela)
 Viewing Angle25°
Electrical-Optical Characteristics (Ta = 25°C)  


  • Special Voltages
  • Other Industry Standard Bases
  • Choice of Multichips and Multi-LED Clusters
When Used in ET5, ET6, and ET16 Utility Lamp Holder (Ta = 25°C)
Circuit Rating (Volts) Circuit Voltage (Min) Circuit Voltage (Max) External Series Resistor, (Ohms) Replaces Incandescent Lamp Number Incandescent Lamp
Voltage Rating
48VDC 44 (min) 56 (max) 200 Ω 1835 55V
125VDC 110 (min) 140 (max) 2000 Ω 1835 55V
250VDC 220 (min) 280 (max) 5100 Ω 1835 55V
*70VAC 55 (min) 76 (max) 750 Ω 1835 55V
120VAC 95 (min) 130 (max) 1900 Ω 1835 55V
*130VAC 105 (min) 140 (max) 2300 Ω 1835 55V
240VAC 195 (min) 260 (max) 4800 Ω 1835 55V

*Consult Factory

Prop. 65 Warning
WARNING: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit

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