REPLACEMENT FOR OSRAM / SYLVANIA EKE (93638 / 54842): Direct fit replacement halogen lamp, 150W 21V with GX5.3 base and MR16 reflector. Provides ~3300K clear illumination with ~200 hour life. PRECISE & RELIABLE PERFORMANCE: Instant-on halogen technology with stable luminous flux across the rated life. Dimmable output and accurate reflector alignment for focused, dependable light. WIDE RANGE OF APPLICATIONS: Commonly used as a replacement for dental curing units (compatible with Dentsply Triad TCU II, compatible with Den-Mat Visar II, compatible with EFOS 3027), microscopes (compatible with Bausch & Lomb 31-31-52, compatible with Meiji FL150/70, compatible with Nikon 83365), fiber optic illuminators (replacement for Dolan-Jenner 170D, replacement for Dolan-Jenner PL800, compatible with Techniquip FOI-150), and surgical/lab equipment (compatible with Burton CoolSpot II 244322, compatible with Wallach CH-101 colposcope, compatible with Respironics Wallaby 3). CROSS-COMPATIBLE WITH OTHER BRANDS: Replacement for GE 35200 (BC1477), compatible with Philips 13629 (315929 / 31592-9, 924010319894, 9240 103 19894), replacement for Ushio 1000306 (JCR21V-150W), compatible with Ushio 1001628 (EKE/HO), compatible with Ushio 1002388 (EKE/GOLD), compatible with EiKO 10275 (UPC 031293102751), replacement for Donar 29459 (DN-29459), replacement for Dolan-Jenner Fiber-Lite, compatible with Sunlite 70110-SU, compatible with BulbAmerica EKE-S, replacement for Platinum EKE. VARIANTS & TRADEOFFS: Direct fit replacement for Osram EJA (54753) and Osram EKE/X 58771. Compared to EJA, this lamp lasts longer with lower peak brightness. Compared to EKE/X, it runs brighter (~160 lm vs. ~80 lm) but with shorter life (~200 hr vs. ~1000 hr). Also compatible with Philips EKE/LL 141333, compatible with Ushio EKE/L 1003370, compatible with Ushio EKE-X 020158490000, and compatible with Donar EKE/X 29466 (DN-29466, JCR21V-150W 10H/5). DEPENDABLE REPLACEMENT FOR OSRAM / SYLVANIA EKE The EKE MR16 GX5.3 150W 21V halogen lamp is built as a replacement for Osram / Sylvania 93638 (54842). With a precise reflector, GX5.3 base, and ~200 hr lifespan, it delivers clear 3300K illumination in demanding professional environments. CROSS-COMPATIBILITY WITH OTHER BRANDS AND PART NUMBERS This lamp is a: Replacement for GE 35200 (BC1477) Compatible with Philips 13629 (315929 / 31592-9, 924010319894, 9240 103 19894) Replacement for Ushio 1000306 (JCR21V-150W) Compatible with Ushio 1001628 (EKE/HO) Compatible with Ushio 1002388 (EKE/GOLD) Compatible with EiKO 10275 (UPC 031293102751) Replacement for Donar 29459 (DN-29459) Replacement for Dolan-Jenner Fiber-Lite Compatible with Sunlite 70110-SU Compatible with BulbAmerica EKE-S Replacement for Platinum EKE ALSO COMPATIBLE WITH OSRAM EJA (54753) This lamp is a direct fit replacement for Osram EJA lamps. Compared to EJA, it provides a longer rated life (~200 hr vs. ~40 hr) though with lower peak brightness (~160 lm vs. ~354 lm). ALSO COMPATIBLE WITH LONG-LIFE EKE/X VARIANTS This lamp is a direct fit replacement for Osram EKE/X 58771, compatible with Philips EKE/LL Long Life 141333, replacement for Ushio EKE/L 1003370 (BC2744), replacement for Ushio EKE-X 020158490000, and compatible with Donar EKE/X 29466 (DN-29466, JCR21V-150W 10H/5). Compared to EKE/X, this lamp runs brighter (160 lm vs. ~80 lm) but with a shorter rated life (~200 hr vs. ~1000 hr). COMMON APPLICATIONS Widely used in professional dental, medical, laboratory, and fiber optic systems including: Microscopes: compatible with Bausch & Lomb 31-31-52, compatible with Bausch & Lomb 31-30-50-01/02/03/04/05, compatible with Leitz 902-058, compatible with Meiji FL150/70, compatible with Meiji FL190/70, compatible with Nikon 83365, compatible with Nikon 86635 Surgical & exam lighting: compatible with Midmark-Ritter 354, compatible with Burton CoolSpot II 244322, compatible with Wallach CH-101 colposcope Dental curing & exam units: compatible with Dentsply 3027, compatible with Dentsply Triad TCU II, compatible with Den-Mat Visar II, compatible with Den-Mat Marathon, compatible with EFOS 3027 Fiber optic illuminators: compatible with Scienscope IL-88-FOI, compatible with Scienscope IL-FOI-150, compatible with Fiber-Lite 4715MS, replacement for Dolan-Jenner 170D, replacement for Dolan-Jenner PL800, replacement for Dolan-Jenner PL900, replacement for Dolan-Jenner MI-150, replacement for Dolan-Jenner MI-152, replacement for Dolan-Jenner DC950, replacement for Dolan-Jenner A24 series, compatible with Dolan-Jenner MI-150R, MI-150RA/RB/RC/RD/RG/RL/RU/V Other fiber optic & lab systems: compatible with Techniquip FOI-150, compatible with Techniquip Mille Luce, compatible with Techniquip 21AC, compatible with Techniquip 21DC, compatible with Techniquip Technibeam 1000, compatible with SciCan LZ Dual Lux 2, compatible with SciCan LZ Dual Lux 3 Therapy & analysis equipment: compatible with Varian 2300CP, compatible with Varian 36749981800, compatible with Respironics Wallaby