Filaments for Wedge Base Lamps
Filaments for Miniature Lamps

Filaments for wedge base lamps and miniature lamps primarily used in automobiles are utilized by manufacturers in Japan and Western countries. Wedge base lamp filaments are made of doped tungsten, with a wire diameter ranging from φ0.01 to 0.06mm and an outer diameter ranging from φ0.05 to φ0.45mm. Meanwhile, filaments for miniature lamps are made of doped tungsten or rhenium-tungsten, with a wire diameter ranging from φ0.005 to 0.045mm and an outer diameter ranging from φ0.04 to φ0.3mm.

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  Wedge Base Lamp
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  Miniature Lamp

Filaments for Mini Krypton Lamps
Filaments for Halogen Lamps

Filaments for lamps used in interior indirect lighting or downlighting, which are commonly found in general lighting applications. These filaments are made of doped tungsten, with a wire diameter ranging from φ0.025 to 0.1mm and an outer diameter ranging from φ0.75 to φ1.5mm.