Our LED replacement bulb for the common 28vdc miniature flange incandescent bulbs is a guaranteed drop-in replacement for the originals. Unlike similar led replacements offered by other retailers, our lamps are dimmable (reduce input voltage= bulb dims, increase input voltage= brightness increases) and we manufacture them in multiple light colors to give you more application specific options. (and 30% lower price and no minimum order!)


Bi-polar power/ground, brighter than incandescent, emits no heat, virtually uses no power and projected life of over 30,000 hours; these are a no-brainer when upgrading your panel lighting.


USES: Instrument post lights, Landing Gear Position Indicators, Press-to-test lights, Control panel indicators, flash lights​


Replaces bulb numbers: #327, #376 , #387, S3368-2


Note: This bulb is NOT polarity sensitive. It will illuminate with both power/ground combinations. 


#327/387/376/S3368-2 - Drop-in LED Replacement 24/28VDC

  • Specifications:

    • Light Colors: Bright White, Warm White, Red, Green, Blue
    • Lamp Shape: T1 3/4 (5mm)
    • Base Style: Midget Flange
    • Voltage: 24/28VDC
    • Polarity: Bi-Polar
    • Dimmable: YES (voltage-dependent intensity decrement; PWM drivers)
    • *Reduced current draw of LED may narrow the effective dimming range when used with rheostat-type dimmer controls)
    • Wattage: 0.4
    • Current: 0.02mA
    • Length: 0.65"
    • Diameter: 0.24"
    • Average Bulb Life: 50,000 hr.
    • Cerfifications: N/A
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