OSRAM HALOSTAR STAR Halogen Bulb - 5W - G4 - White
Best current price£2.68from eBay
Best offers
Shopping.co.uk recommended and popular offers
eBay£2.68Visit shop 2 x Osram GY6.35 Halogen Pin Base Lamp 50W 12V Halogen Lamp Halostar 64440
Visit shopeBay£2.68Visit shop All Offers
7 offers from £2.68 - £26.47
View price history by clicking the chart icon.
eBay2 x Osram GY6.35 Halogen Pin Base Lamp 50W 12V Halogen Lamp Halostar 64440
£13.88 delivery
£2.68
Visit shop
2x OSRAM Halogen Pin Lamp HALOSTAR 5W 12V G4 55Lm 2000h£15.95 delivery£8.17Visit shop →
2X OSRAM Halogen Pin Tube Lamp HALOSTAR 50W 12V Gy6.35 910lm 2000h 64440£15.95 delivery£10.84Visit shop →
2X OSRAM Halogen Pin Lamp HALOSTAR 35W 12V GY6,35 64432 Dimmable£15.95 delivery£17.36Visit shop →
OnBuy.comOsram Electric Light Bulb Halogen Capsule Lamp 50W 12V Ref Gy6.35 [Pack 2]
Free delivery in 1–3 days
£24.53
Visit shop
Osram Halogen-Pin-Base / Halostar /Gy6.35-Socket / Dimmable /12 Volt/ 35 Watt- 50 Watt Replacement / Warmwhite - 2900K/ Pack Of 2Free delivery in 1–3 days£26.47Visit shop →
Product Information
Full details
The OSRAM HALOSTAR STAR 5W halogen bulb is designed for homeowners and professionals seeking a reliable, compact accent lighting solution with high-quality color rendering. It delivers instant warm white illumination and features infinite dimmability, making it ideal for decorative fixtures; however, users should note its energy efficiency rating of G compared to modern LED alternatives.
All features
| Colour | White |
|---|---|
| Energy Efficiency | G |
| Model Part Number | 4008321201799 |
| Brand | OSRAM |
Extended Product Information
FAQs
Is this bulb compatible with LED dimmers?
While it is infinitely dimmable, ensure your dimmer is rated for halogen/incandescent loads, not just specialized LED dimmers.
Can I touch the bulb with bare hands?
It is recommended to handle the bulb with a clean cloth or gloves, as skin oils can damage the quartz glass during high-temperature operation.
What does the G-class energy rating mean?
The energy class G indicates the efficiency relative to modern standards; halogen bulbs generally consume more energy than LEDs for the same lumen output.
Does this bulb contain mercury?
No, the OSRAM HALOSTAR STAR is completely mercury-free.
Can I use this in an outdoor fixture?
Yes, provided the fixture is weather-sealed and designed to protect the bulb from direct moisture and environmental exposure.
Is this bulb suitable for 240V mains power?
No, the G4 base usually denotes a 12V low-voltage system. Always check your fixture's voltage requirement before use.
Troubleshooting
Bulb flickers when dimmed
Verify that your dimmer switch is compatible with halogen loads or that the transformer is not overloaded.
Bulb fails to light up
Check the G4 pin connection to ensure it is fully seated in the socket and inspect the fixture transformer for power.
Pros and Cons
Pros
- Fully dimmable for adjustable ambiance
- Compact size fits narrow light fixtures
- Provides high-quality, consistent warm light
- Mercury-free for environmentally responsible disposal
Cons
- Lower energy efficiency (Class G) compared to LEDs
- Shorter service life than modern LED equivalents
- Generates more heat than LED alternatives
Setup, Compatibility & Care
When installing the G4 pin-base bulb, ensure the power to the fixture is switched off. Handle the bulb by its base or use a clean, dry cloth to prevent oil from your fingers from transferring to the glass, as skin oils can cause hot spots and reduce the bulb's lifespan. The bulb is designed for 12V low-voltage systems; verify that your fixture transformer matches the bulb's requirements before installation. To clean, ensure the bulb is completely cool and use only a dry, lint-free cloth to remove dust.