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  • Smart B321-XIW LED Bulb
Nov 2006
Ledtronics Inc.Request Info
For Multiple Voltage Applications
TORRANCE, Calif., Nov. 30, 2006 -- LED maker LEDtronics announces the availability of its smart, multiple voltage, bipolar B321-XIW 9 mm miniature bayonet-based LED bulb. This is an ultraversatile bulb designed to replace many ordinary incandescent bulbs.

What makes this 9-mm bayonet-based LED bulb so "smart" and so adaptable is its functionality in a broad range of voltages, the company said. It is also bipolar, designed to directly replace 6 MB, 44, 47, 755 (5/6V) 12 MB, 756 (12/14 V) 24 MB (24 V) 313, 757, 1819, 1829 (28 V), and 48 MB (48 V) incandescent bulbs.

LEDTronicsBayonetBulb.jpgThis Smart B321-XIW LED bulb comes in a T 3¼ bayonet base that mounts directly into industry-standard sockets, making it perfect for panel-mount switch-gear applications such as elevators, utility plants, water treatment plants, aviation or anyplace where multiple voltages indicators are used.

Since the Smart B321 is bipolar, the polarity of the positive and negative lead is no longer a factor -- this LED bulb works with either polarity. Operating at standard voltages of 6 V all the way up to 48 V DC, this LED bulb will shine brightly at 6500 MCD with a viewing angle of 40°, according to LEDtronics.

Solid-state design renders LEDs impervious to shock, vibration, frequent switching, and environmental extremes. With an average life span of 100,000-plus hours (11 years), LED lamps operate more than 20 times longer than the equivalent incandescent lamp. Savings from reduced maintenance costs and downtime quickly return the capital investment expenditure. LED lamps produce almost no heat and require 80 to 90 percent less operating power than equivalent incandescents, making them as friendly to the environment as they are to the operating budget.

The price for the Smart B321 9-mm miniature bayonet LED bulb is $9.70 each, with minimum order quantity of five. Large quantity discounts are available. Availability is stock to 4 to 6 weeks for special requirements. B321 lamps carry a three-year limited warranty.

For more information, visit:; e-mail:

LEDtronics Inc.
23105 Kashiwa Ct.
Torrance, CA 90505
Phone: (800) 579-4875
Fax: (310) 534-1424


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Refers to transistors in which the working current flows through two types of semiconductor material: N- and P-type. In bipolar transistors, the working current consists of both positive and negative charges.
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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