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Osram Sylvania DDL 150W MR16 Halogen Light Bulb

Osram Lamp 150W DDL MR16 Halogen Light Bulb Sylvania

$14.50
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SKU:
DDL (54660) EACH
UPC:
046135546600
Availability:
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Product Description
High-output MR16 halogen reflector lamp for microscope, medical, and precision illumination.
SOSCleanroom
Overview

The Osram / Sylvania DDL is a precision 150W, 20V halogen lamp in the MR16 reflector format, built for crisp, consistent illumination in demanding optical systems. It uses a GX5.3 bi-pin base and is widely referenced across microscope, illuminator, medical, industrial, and dental equipment where repeatable beam performance matters. SKU: DDL (54660) EACH.

Key Highlights
  • Electrical: 150W, 20V
  • Base: GX5.3 Bi-Pin
  • Type: Halogen with MR16 reflector
  • Color Temperature: 3,150K
  • Average Life: 500 hours
  • Shape: MR16 (50.7mm diameter)
  • UPC: 046135546600
Typical Applications
  • Microscope illuminators and optical instruments
  • Medical and dental exam lighting systems using MR16 reflector lamps
  • Industrial inspection equipment requiring stable, focused output
Handling Tip 
Halogen lamps run hot and are sensitive to surface contamination. Avoid touching the glass with bare hands. Use clean nitrile gloves and/or a lint-free wipe to minimize residue and reduce the risk of premature failure.
Industry Update:
In July 2025, Ushio and ams OSRAM announced an agreement for Ushio to acquire ams OSRAM’s Entertainment & Industry Lamps (ENI) business, with closing expected by the end of March 2026. During and after transitions in specialty lamp portfolios, customers may see changes such as labeling, packaging, part-number presentation, and distribution channels across certain lamp families. Best practice: qualify replacements by the manufacturer code and critical specs (150W/20V, GX5.3, and MR16 geometry), and retain DDL / 54660 in maintenance records.
Need help selecting the right product?
If you need additional information please try our SOSCleanroom specific AI ChatBot which draws from our extensive cleanroom specific libraries.
Always confirm compatibility with your equipment model, required voltage (20V), base type (GX5.3), and MR16 diameter prior to installation.
The Technical Vault
By SOSCleanroom
Specs & Compatibility
Replacement Guidance Handling & Storage Cleanroom Considerations
Quick Specs
Manufacturer / Ordering Code Osram / Sylvania DDL | Mfg. Ordering Code: 54660 | UPC: 046135546600
Lamp Type / Technology Tungsten halogen reflector lamp (MR16)
Wattage / Voltage 150W / 20V
Base / Socket GX5.3 Bi-Pin
Optical Profile CCT: 3,150K | MR16 diameter: 50.7mm
Average Life 500 hours
The Science: How a Halogen Bulb Produces Light
A halogen lamp is a type of incandescent source. Electrical current heats a tungsten filament until it becomes white-hot, producing continuous-spectrum light (visible plus infrared) through thermal radiation.
The “halogen” advantage comes from the halogen cycle inside a quartz (high-silica) envelope: a small amount of halogen (often iodine/bromine) reacts with evaporated tungsten and helps transport it back toward the filament where it redeposits. This reduces envelope blackening and supports consistent output—while also driving high operating temperatures.
Industry Update: ams OSRAM ENI Business → Ushio (Expected Close by End of March 2026)
Ushio and ams OSRAM announced an agreement for Ushio to acquire ams OSRAM’s Entertainment & Industry Lamps (ENI) business, with closing expected by the end of March 2026.
What this means for buyers: customers may encounter changes in labeling, packaging, part-number presentation, or channel availability across certain specialty lamp lines during the transition. To reduce risk, qualify replacements by 150W/20V, GX5.3, and the MR16 form factor, and keep the manufacturer ordering code (54660) in maintenance records.
Replacement & Handling Notes
  • Match voltage exactly: this is a 20V MR16 lamp. Substituting 21V/24V types can change output and shorten life.
  • Base fit matters: confirm GX5.3 pin spacing and seating depth for proper optical alignment.
  • Beam performance depends on geometry: MR16 reflector and filament positioning drive focus and uniformity—match DDL where specified.
  • Keep the envelope clean: fingerprints/residues can create localized hot spots. Use clean nitrile gloves and/or a lint-free wipe.
Cleanroom Considerations

Treat lamp changes as a controlled maintenance step: minimize packaging debris, use low-lint handling materials, and keep the reflector/envelope free of oils and particulates prior to powering the instrument.

Stage clean nitrile gloves and a cleanroom-grade lint-free wipe during installation to reduce contamination risk and prevent residue transfer to nearby optics.

Need deeper specs or cross-references?
If you need additional information please try our SOSCleanroom specific AI ChatBot which draws from our extensive cleanroom specific libraries.
For mission-critical optical systems, confirm OEM requirements (voltage, wattage, base type, beam/reflector format, and thermal limits) prior to use.