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LED Miniature Bulbs, T1¾ Midget Flange, 28Vdc
Replaces Incandescent Bulbs #327 or 387, Reference MS25237
Drop-In Incandescent Replacement — Up to 90% Energy Savings
General Use Where Dimming Is Not Required

Seatbelt sign fascia illuminated by BSD-1884

Five LED '387' bulbs in a typical fixture

White LED technology is patent protected in the US. LEDtronics White LED products are covered under these patents.

Design Patent Number: US D474,849S; U.S. Patent Number: 6,886,963.B2

BSD-1884 Series   Aircraft Cabin Indicator 387 Bulb

Dimensions in inches [mm]
Operation Comparison
Application LED 387 BSD-1884-0CW Incandescent 387
Current 14.1–17.4mA 40mA – 50mA
Operating Temperature 37°C [97°F] 60°C [140°F]
Operating Life 50,000 hour life 5-year warranty 7,000 hour life

T1¾ (5mm) Midget Flange Base
  Electrical-Optical Characteristics (Ta = 25°C)  
PRICEMIN BUYInput Voltage, V
Power (W)Current (A)Total
Spherical Candela
Color Temp.
LED Emitting
(28Vdc,C.White,T1-3/4 Mid.Flg.)
$19.92ea100 28Vdc0.30 W0.0141 A7.31 lm0.588000K  Cool White
28Vac0.30 W0.0174 A6.85 lm0.558000K  Cool White
Call 800-579-4875 To ORDERClick For Volume Discount Thru Distributor

All specifications and pricing subject to change without notice.
  • Three-year warranty
  • 50,000 hour life
  • Drop-In Replacement to 387 Incandescent
  • No Modifications to Holder or Wiring Required

(For Non-Dimmable Bulbs)

  • "No Smoking/Fasten Seatbelt" signs
  • All fixtures designed for 387 bulbs
  • Lavatory and Emergency Exit signs
  • Panel indicator bulbs
  • National Stock No: NSN 6210-01-508-8418
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