Part #: BSD-1890-SIW

LED Bulb Spotlight Replacement
28 Vdc Passenger Reading Lamps
Aircraft, Train, Bus Lighting

Ba9s Bayonet Base — 1.6W LEDtronics Replaces 10.5W Halogen
3000K Warm White

Drop-In Replacement for Halogen Bulb No. 0201789-001

Replaces Incandescent/LED:313, 757, 1819, 1829

  • 3 Year LEDtronics Warranty
  • Three Year Lamp Warranty
  • Long Life: 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)
  • Drop-in replacement to incandescent
  • No modifications to holder or wiring required
  • Low maintenance
  • Negligible heat generation—Touchable parts remain at room temperature
  • Ambient Operating Temperature Range: ~-22°F to ~+122°F [~-30°C to ~+50°C]
  • 40+ Years LEDtronics Design & Manufacturing


Price: $53.82 each | Min Qty: 10

Choose Options:

Color Options
Base Type Options

Spec Sheets


  • Replaces Halogen Bulb No. 0201789-001
  • Reading Lamps
  • Chart lamps
  • Task lamps
  • Used in Limousines, Coach Buses, Trains, RVs, Motorhomes

Operation Comparison LEDtronics LED Lamps GE 2232 Incandescent GE 2266 Incandescent Halogen
Current 48 mA 643 mA 766 mA 385 mA
Voltage 28 V 28 V 28 V 28 V
Power Consumption 1.3 W 18 W 21 W 10.5 W
Candela 101      
Lumens 59      
Operating Temperature 45°C [115F] 68°C [154F] 68°C [154F] 85°C [185F]
Operating Life 50,000 hour life 3-year warranty 2,000 hour life 2,000 hour life 3,000 hour life


 Description28Vdc,W.White,Ba9S Base
 Base TypeMiniature Bayonet T3-1/4 (Ba9s)
 ColorWarm White
 Color Temp3000K
 Polarity (Center Contact)Bipolar (+/-)
 Voltage (V)28Vdc
(28Vac version available)
 Power (Watts)1.6 W
 Current (Amps)0.058 A
 Operating Temp~-30°C to ~+50°C
 Intensity (Candela)161 cd
 Lumens140 lm
 SCP (Spherical Candela)6.79 mscp
 Viewing Angle40°
Electrical-Optical Characteristics (Ta = 25°C)  


    For Volume Orders and Qualified Applications
  • Different White Color Temperatures
  • Different Voltages


  • Not for dimming

Prop. 65 Warning
WARNING: This product can expose you to chemicals including Di(2-ethylhexl)pthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

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