1 1
Philips

256784 Philips ESB 7388 20W 6V G4 Clear Halogen Lamp
10.99 USD
Shipping calculated at checkout.
In stock

Buy with confidence

Need help confirming compatibility? Ask us before ordering.

Shipping calculated at checkout · 30-day returns on unused items

Confirm before ordering

Match 7388 / 923874610103, ESB / FHE / 7388, and the complete 20W / 6V / G4 precision-lamp specification. Similar G4 capsules with different voltage, filament geometry, light-center length, or envelope dimensions are not automatic substitutes.

Specifications
Manufacturer Philips
Order code 7388 / 923874610103
ANSI / industry codes ESB / FHE / 7388
Technology Tungsten-halogen precision optical lamp
Wattage 20 W
Voltage 6 V
Base G4 two-pin
Finish Clear
Luminous flux 460 lm
Color temperature Not published in the current product record
Color rendering CRI 100
Average rated life 100 hours
Dimensions 31.75 mm maximum overall length × 9.53 mm maximum diameter
Light-center / bulb-length reference 20.64 mm maximum bulb length (manufacturer drawing)
Illuminated field Not published in the current product record
Product weight 1 g
Equipment compatibility

Historical ESB/FHE equipment references

The following equipment has been documented with the ESB/FHE 20W 6V G4 lamp family. Confirm the exact model revision, voltage, wattage, base, filament alignment, and lamp-compartment dimensions before ordering.

  • Accuscope 3000 microscope
  • Accuscope 3001 microscope
  • Accuscope 3002 microscope
  • Accuscope 3002-CB microscope
  • Accuscope 3004 microscope
  • Accuscope 3015 microscope
  • American Optical 10 microscope
  • American Optical 1031 microscope
  • American Optical 110 microscope
  • American Optical 1130 microscope
  • American Optical 1820 microscope
  • American Optical 410 microscope
  • American Optical H10 microscope
  • American Optical H110 microscope
  • American Optical Microstar 10 microscope
  • American Optical XCEL microscope
  • Bausch & Lomb 31-74-29 microscope illuminator
  • Bausch & Lomb Galen II microscope
  • Cynmar 700 microscope
  • Cynmar 3000 microscope
  • Eagle CM240 microscope
  • Labomed CX-013 microscope
  • Labomed LX400 microscope
  • Leica 13112000 lamp application
  • Leica Laborlux D microscope
  • Leitz Dialux 20 microscope
  • Leitz Dialux 20EB microscope
  • Leitz ELW500-245 microscope illuminator
  • Leitz Labolux 12 microscope
  • Leitz Laborlux 12 HL ME microscope
  • Leitz SM-LUX HL microscope
  • Leitz Vario Orthomat microscope
  • Marco CP2 chart projector
  • Marco Auto Projector CP-400
  • Mark V Labs ME-LUX microscope
  • Mark V Labs Metallurgical Spotlight
  • Mark V Labs MXT microscope
  • Mark V Labs MZ-75 microscope
  • Motic BA200 series microscope
  • Nikon Alphaphot KT microscope
  • Nikon Alphaphot KT2 microscope
  • Nikon E200 microscope
  • Nikon Labophot microscope
  • Nikon Labophot-1 microscope
  • Nikon Labophot-Pol microscope
  • Nikon Macro CP670 projector
  • Nikon Measurescope MM11 20W EPI/DIA
  • Nikon Measurescope MM40 6V 20W EPI/DIA
  • Nikon Measurescope TM1 EPI
  • Nikon Measurescope TM2 EPI
  • Nikon Optiphot microscope (older 20W configuration)
  • Nikon Optiphot 66 DIA base
  • Nikon Remote NP-3
  • Nikon S-C6/D6 QH illuminator
  • Nikon SMZ1 vertical illuminator
  • Nikon SMZ10 coaxial illuminator
  • Nikon SMZ10 DIA base
  • Nikon SMZU coaxial illuminator
  • Nikon SMZU EPI illuminator
  • Nikon TMS microscope
  • Olympus BH2 series microscope
  • Olympus BHT microscope
  • Olympus BHTU microscope
  • Olympus CH-30 microscope
  • Olympus CH20 microscope
  • Olympus CHK microscope
  • Olympus CHK2 microscope
  • Olympus CHS microscope
  • Olympus CK2 microscope
  • Olympus SS105 microscope
  • Olympus SZH series microscope
  • Olympus SZH-ILLB illuminator
  • Olympus SZH-ILLC illuminator
  • Olympus SZH-ILLK illuminator
  • Olympus VM-ILA transmitted-light base
  • Olympus VM-ILA-2 transmitted-light base
  • Olympus VMZ500 microscope
  • Parlec TM1000 toolmaker microscope
  • Parlec TM3000 toolmaker microscope
  • Reichert 410 microscope
  • Reichert 11075 chart projector
  • Reichert 11083 chart projector
  • Seiler Laboval 5 binocular microscope
  • Seiler Laboval 5 trinocular microscope
  • Seiler Microlux microscope
  • Seiler Microlux II SP flat-field microscope
  • Seiler V3000 microscope
  • Seiler Westlab microscope
  • Shin-Nippon SL40 chart projector
  • Solidex VL850 microscope
  • Swift 1000 microscope (newer model)
  • Swift 3D microscope
  • Swift 4D microscope
  • Swift 5D microscope
  • Swift M1000D microscope (newer model)
  • Swift M1001D microscope (newer model)
  • Swift M1002D microscope
  • Swift M1004D microscope
  • Swift M1005D microscope
  • Swift M3208 microscope
  • Swift M3300 microscope
  • Swift M3300D microscope
  • Swift M4000D microscope
  • Swift M4002D microscope
  • Swift M5 microscope (before 2008)
  • Swift M8000D microscope
  • Swift MA759 microscope
  • Swift MA759Y microscope
  • Swift SM90HF stand top illuminator (before 2008)
  • Swift Swiftmaster I microscope
  • Swift Y3H microscope
  • Unico G3800 microscope
  • Unico WF10X microscope
  • Unitron Examet microscope
  • Unitron Metallurgical Spotlight
  • Unitron MS-2 biological microscope
  • Unimet MR4 series inverted metallurgical microscope
  • Vanguard 1100AMHS microscope using 20W lamp
  • Vanguard 1200CM microscope using 20W lamp
  • Vanguard 1240 microscope using 20W lamp
  • Vanguard 1280 microscope using 20W lamp
  • Vanguard 1290 microscope using 20W lamp
  • Vanguard 1300 series microscope using 20W lamp
  • Wesco B-20 microscope
  • Wesco CXL microscope, serial 08xxx and higher
  • Westover 2305MC microscope
  • Wild M420 microscope
  • Wild M7A microscope
  • Wild M8 microscope
  • Wild ME microscope
  • Zeiss Axiovert 10/100 microscope
  • Zeiss Stemi 1000 microscope
  • Zeiss Stemi 2000 microscope
  • Zeiss Stemi 2000 C microscope
  • Zeiss Stemi 2000 C for KS ELISPOT
  • Zeiss Stemi 2000 CS microscope
  • Zeiss Stemi SV 11 microscope
  • Zeiss Stemi SV 6 microscope
  • Heine fiber-optic mini projector
  • Kowa X-ray viewer
  • Woodlyn Eye Chart projector
  • Woodlyn Standard projector
  • Woodlyn Insta projector

Some manufacturers used different lamps across serial-number ranges or illuminator options. The equipment manual and original lamp marking control.

Brand alternatives

ESB/FHE 20W 6V G4 choices

These stocked pages share the ESB/FHE electrical and base identity. Manufacturer photometrics, dimensions, and lamp construction are retained separately; verify optical requirements before substituting.

Documentation and safety

Safety: disconnect power and allow the equipment to cool before service. Keep the quartz envelope clean; use clean gloves or a lint-free tissue. Operate only in equipment designed for this 6V 20W precision lamp and follow the equipment manufacturer's service instructions.