Miniature fluorescent tube OSRAM Basic L 6 W/640: G5 base, Ø 16 mm, 212 mm long, 270 lm, neutral white 4000 K.
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The OSRAM Basic L 6 W/640 fluorescent tube is a miniature T5 tube (Ø 16 mm) with a G5 base, only 212 mm long. It delivers 270 lm of neutral white light (4000 K), even across its whole length — the standard compact format for small fittings.
It runs on conventional ballasts with a starter as well as on electronic ballasts. Its short length makes it the choice for light battens, furniture and appliances where a standard tube will not fit.
Verified equivalent: PHILIPS TL Mini 6W/33-640 — same dimensions (212 mm, Ø 16 mm), same G5 base. Direct replacement with no change to the fitting.
| Brand | OSRAM |
|---|---|
| Type | Miniature T5 fluorescent tube |
| Base | G5 |
| Power | 6 W |
| Dimensions | 212 × Ø 16 mm |
| Luminous flux | 270 lm |
| Colour temperature | 4000 K (neutral white) |
| Colour rendering (CRI) | 60-69 |
| Ballast | Conventional (starter) or electronic |
| Lifespan | ≈8000 h |
| PHILIPS equivalent | TL Mini 6W/33-640 |
What does the code 640 mean?
6 = colour rendering class 6 (CRI 60-69), 40 = neutral white 4000 K. It is the economy tube for utility lighting; for truer colours the 840 version exists in the same dimensions.
Which ballast do I need?
This miniature tube works on a conventional ballast with starter as well as on an electronic ballast. In an existing fitting, simply replace the tube like for like — and the starter at the same time if there is one.
Can I fit the 840 version instead of the 640 (or vice versa)?
Yes: same dimensions, same G5 base, same wattage — only the colour rendering differs. The 840 (CRI 80-89) renders colours far more faithfully than the 640 (CRI 60-69).
📦 Minimum order quantity: 2 pieces
This lamp can replace:
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