Part #: BF321-0PB-028B

LED Bulb, Miniature Bayonet T3-1/4 (Ba9s), Ultra Bright

Direct Incandescent Replacement — Up to 90% Energy Savings

Super Blue, 24/28Vdc, Replaces Incandescent: 313, 757, 1819, 1829 (28V)

Replaces Incandescent/LED:28MB, 28RB, 757, 1819

  • 3 Year LEDtronics Warranty
  • 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)
  • 40+ Years LEDtronics Design & Manufacturing


Price: $6.73 each | Min Qty: 10

Choose Options:

Color Options
Voltage Options

Spec Sheets


  • For Single LED Bulb Option to Work Under All Color Lenses Use Our Incandescent White LED Bulbs Series BFS271-0IW
  • Replaces mini indicators with matching voltage and 9mm Bayonet Base (Ba9s) base.
  • Replaces Incandescent: 6MB, 44, 47, 755 (5/6V) 12MB, 756 (12/14V), 24MB (24V) 313, 757, 1819, 1829 (28V) 48MB (48V) 60MB, 1835 (60V) 120MB, NE51H (120VAC)


 Description24/28Vdc,Sp.Blue,Ba9s Min.Bay
 Base TypeMiniature Bayonet T3-1/4 (Ba9s)
 ColorSuper Blue
 Wavelength (nm)465nm
 Polarity (Center Contact)BipolarDC (+/-)
 Voltage (V)24/28Vdc
 Power (Watts)0.45 W
 Current (Amps)0.016 A
 Operating Temp~-30°C to ~+50°C
 Intensity (Candela)0.560 cd
 SCP (Spherical Candela)
 Viewing Angle85°
Electrical-Optical Characteristics (Ta = 25°C)  

Possible Options

  • Other Voltages Available
  • Other Colors Available
  • Other Beam Angles Available

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

Contact Us

Send us an email

Call Us

Speak to a customer service representative

An error has occurred. This application may no longer respond until reloaded. Reload 🗙