Discharge lamp PHILIPS MASTER SDW-T 35W/825 2,500K PG12-1
€59.90
Tax excluded
White high-pressure sodium lamp (White SON) PHILIPS MASTER SDW-T 35W/825 (single-ended tubular), 2,500 K, CRI 81, 1,320 lm, PG12-1 base. On suitable discharge control gear.
MASTER SDW-T35W/8252,500 KPG12-1≈1,320 lm
Security guarantees
Secure payment by credit card or bank transfer.
Delivery policy
Dispatch within 2 to 5 days with tracked delivery.
Return policy
You have 14 days after receipt to make a return, in accordance with your right of withdrawal.
Fast delivery
France & Europe
Secure payment
Card & bank transfer
Easy returns
Within 14 days
Expert advice
Lighting specialist, Strasbourg
The PHILIPS MASTER SDW-T 35W/825 discharge lamp (single-ended tubular) is a white high-pressure sodium lamp (White SON) with a warm amber-white light and good colour rendering. It emits warm white light at 2,500 K (CRI 81) and about 1,320 lumens, with excellent stability over time.
It runs on suitable discharge control gear (ballast + ignitor) matched exactly to its wattage (35 W) and type: it never connects directly to the mains. Warm-up takes a few minutes; after switch-off, let it cool before restrike.
Technical specifications
| Brand | PHILIPS (Signify) |
|---|---|
| Type | White high-pressure sodium lamp (White SON) |
| Power | 35 W |
| Luminous flux | ≈1,320 lm |
| Colour temperature | 2,500 K (warm white) |
| Colour rendering (CRI) | 81 |
| Base | PG12-1 |
| Lifespan | ≈15,000 h |
| Control gear | Matching ballast + ignitor |
| Disposal | Contains mercury — WEEE recycling |
Key benefits
✓MASTER SDW-T — stable warm white colour, 2,500 K
✓High output ≈1,320 lm — powerful, efficient lighting
✓PG12-1 base — direct replacement in the matching discharge luminaire
✓Long life ≈15,000 h and high efficiency
Ideal for
Shops and window displaysMuseums and galleriesHotels and restaurantsAccent lightingArchitecture and façades
Frequently asked questions
What control gear is needed?
A discharge ballast with ignitor, rated exactly for 35 W and this lamp type. It does not connect directly to 230 V mains and needs the intended luminaire/gear.
How long to full light?
Allow a few minutes to warm up. After switch-off the hot lamp will not restrike immediately: let it cool before restrike.
What does the 825 code mean?
The colour code 825 indicates a colour temperature of 2,500 K (warm white) and a CRI of about 81.
Precautions and recycling?
Use it in a suitable luminaire; handle it cold. It contains mercury: WEEE recycling, never with household waste.
Why order from STRASSELEC?
- ✓Lighting specialist — expert advice and professional references
- ✓Fast shipping from Strasbourg (France and Europe)
- ✓Secure payment by card or bank transfer
- ✓14-day returns (right of withdrawal)
Need advice, a batch or a large quantity? The STRASSELEC team is here to help.
📦 Minimum order quantity: 2 pieces
SDW-T 35W/825
Specific References
- EAN13
- 8711500734020
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White high-pressure sodium lamp (White SON) PHILIPS MASTER SDW-T 35W/825 (single-ended tubular), 2,500 K, CRI 81, 1,320 lm, PG12-1 base. On suitable discharge control gear.
MASTER SDW-T35W/8252,500 KPG12-1≈1,320 lm