OSRAM DECOSTAR 51, DECOSTAR 51S Technical Information

Product characteristics:

COOL BEAM

• Dichroic reflector reduces thermal
radiation in the light beam by 66%

• Low pressure technology complies to
IEC 60598-1. Lamp can be used
without extra protection from the
luminaire.

Filter

UV

• Integradet cover pan prefends the
soiling of the reflector.

• Meets the most stringent UV­protection thresholds (NIOSH).
Bleaching reduced.

• Base: GU 5,3

• Lampe life: 2000h

Range:

Order-code

Lamp without
cover lens

41860 SP
41860 WFL

41865 SP
41865 WFL

41870 SP
41870 WFL

Voltage Wattage* Beam

12V 20 W 10° 3150 cd HRGS/UB 20-12-GU5,3-51/10

" " 36° 510 cd HRGS/UB 20-12-GU5,3-51/36
" 35W 10° 6300 cd HRGS/UB 35-12-GU5,3-51/10

" " 36° 1050 cd HRGS/UB 35-12-GU5,3-51/36
" 50W 10° 8200 cd HRGS/UB 50-12-GU5,3-51/10

" " 36° 1500 cd HRGS/UB 50-12-GU5,3-51/36

angle**

Technical Information

Halogen lamp with dichroic reflector ∅ 51 mm

DECOSTAR 51/51S

Luminous
intensity**

ILCOS-code

Lamp with
cover lens

* Maximum permitted tolerance nominal value +8% acc. IEC 60357

HAL M-M, Edition November 05
Subject to alteration 1/4

44860 SP
44860 WFL

44865 SP
44865 WFL

44870 SP
44870 WFL

**may vary according to tolerances specified in IEC 60357

12V 20 W 10° 3000 cd HRGS/UB 20-12-GU5,3-51/10

" " 36° 480 cd HRGS/UB 20-12-GU5,3-51/36
" 35W 10° 6000 cd HRGS/UB 35-12-GU5,3-51/10

" " 36° 1000 cd HRGS/UB 35-12-GU5,3-51/36
" 50W 10° 7800 cd HRGS/UB 50-12-GU5,3-51/10

" " 36° 1450 cd HRGS/UB 50-12-GU5,3-51/36

Technical light data:

Maintenance

Spectral distribution
visible light

Technical Information

Halogen lamp with dichroic reflector ∅ 51 mm

DECOSTAR 51/51S

Decrease of axial luminous intensity < 20% after 75% of the nominal life time.

DECOSTAR 12V/50W

UV-radiation

Due to UV-absorbing quartz glass respectively due to the integrated cover pan the bleaching is

Light distribution

The irradiance is clear below the NIOSH-threshold values for skin and eye.

clear reduced (depending on radiated material).
Available at www.myosram.com

HAL M-M, Edition November 05
Subject to alteration 2/4