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Small halogen bulb with flat female connectors, clear glass envelope, metal rim mount base

SYLVANIA

SYLVANIA 58697 6.6A 45W 64319A Aircraft Airfield Halogen Bulb

SKU CH-DGFM-BM9VC

A 45-watt halogen airfield bulb rated at 6.6 amps, delivering 800 lumens with a 1000-hour life and CRI 100

  • TypeHalogen Bulbs
  • Lumen Range800
  • Wattage45
  • Life Time Hours1000
  • Color Rendering Index100
  • 6 A current-controlled design ensures precise airfield illumination
  • 45 W tungsten halogen delivers 800 lumens of bright white light
  • CRI 100 provides accurate colour rendering for critical visual tasks
  • Female flat connectors with rim mount allow secure, tool-free installation
  • 1 000-hour rated life reduces maintenance intervals on runway lighting systems

Specialised airfield halogen bulb

The SYLVANIA 58697 is a tungsten halogen lamp rated at 45 watts and 6.6 amps, designed for constant-current airfield lighting circuits. It produces 800 lumens with a colour rendering index of 100 and a rated life of 1000 hours. The lamp uses a rim-mount base with female flat connectors for secure installation in approach and runway fixtures. It serves airports and heliports requiring reliable visual guidance.

Constant-current 6.6A circuit constraint

The bulb operates only on a 6.6 ampere constant-current series circuit, not on standard mains voltage. It cannot be used in domestic or commercial sockets and requires a dedicated airfield regulator and isolation transformer. The 45 watt rating applies strictly at the specified current; deviation reduces output or shortens the 1000-hour life. Installers must verify the circuit matches the 6.6A specification before fitting.

Rim mount with flat connectors

The rim-mount base and female flat connectors provide a positive mechanical lock and low-resistance electrical contact in vibration-prone environments. This construction resists loosening from wind or aircraft blast, maintaining alignment in elevated or inset fixtures. The halogen capsule delivers full output instantly, supporting flashing or steady-burn sequences without warm-up delay. The 1000-hour rating assumes correct current regulation and proper fixture sealing.

Highlights

  • 6 A current-controlled design ensures precise airfield illumination
  • 45 W tungsten halogen delivers 800 lumens of bright white light
  • CRI 100 provides accurate colour rendering for critical visual tasks
  • Female flat connectors with rim mount allow secure, tool-free installation
  • 1 000-hour rated life reduces maintenance intervals on runway lighting systems

Specifications

BrandOSRAM
TypeHalogen Bulbs
Lumen Range800
Wattage45
Life Time Hours1000
Color Rendering Index100

Questions about this item

Which version of the SYLVANIA 58697 halogen bulb matches my airfield fixture?

The bulb is a single 45 W, 6.6 A T4 type with rim mount and female flat connectors, identified by part numbers 58697, 59010 and 64319; no alternative wattages or base styles are offered.

What does the 800 lumen rating deliver on an actual runway circuit?

At 800 lumens and a CRI of 100 the lamp provides full-spectrum white light for approach and taxiway guidance, maintaining that output for the rated 1000 hours before replacement.

How does the 6.6 A constant-current interface limit real-world installation?

The bulb requires a 6.6 A series circuit; it cannot be driven from standard mains voltage and must be fitted to an airfield constant-current regulator with compatible female flat connectors.

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