What counts as a high efficiency LED strip in lumens per watt?

In 2026 a mainstream 24V 2835 board sits around 120-140 lm/W. A high efficiency LED strip starts at roughly 160 lm/W and DENO's top binned 2835 and 2110 boards are measured at up to 200 lm/W at 4000K Ra 80, LM-79 tested at 25 degrees Celsius. The figure is light-source efficacy of the tape itself, measured without the driver, which is exactly how the ErP energy label is calculated.

What is the difference between high efficiency and high efficacy LED strip lights?

They describe the same measurement. Efficacy is the engineering term for lumens delivered per watt consumed; efficiency is how buyers and tender documents usually phrase it. DENO publishes lm/W per model so both audiences read the same number, and the ErP energy class printed on the reel is derived from it.

Which ErP energy class can a high efficiency LED strip reach?

Class C is achievable on the best-binned 2835 and 2110 boards above 180 lm/W, class D covers the 160-180 lm/W band and most well-specified architectural tape lands in class E. High-CRI 95+ and full spectrum builds drop one or two classes because phosphor conversion costs lumens. Every DENO datasheet states the measured class so it can be reproduced by a notified body.

Does a high efficiency LED strip run cooler and last longer?

Yes. Fewer watts per lumen means less heat into the FPCB, so junction temperature drops and L70 lifetime extends. Combined with 2 oz copper and a 99.9% pure copper foil the same brightness can be produced at 20-30% lower wattage, which also lets a single driver feed a longer run and keeps aluminium profiles below the touch-temperature limits used in hospitality projects.

How much energy does a high efficiency LED strip save on a large project?

Take 500 m of cove lighting at 10 hours a day. A 130 lm/W board delivering 1000 lm/m draws about 7.7 W/m; a 190 lm/W board delivers the same output at about 5.3 W/m. Across 500 m that is 1.2 kW saved, roughly 4,380 kWh a year, and it usually removes one driver and one circuit from the electrical schedule as well.

Can I get a high efficiency LED strip in 12V, 24V, 36V or 48V?

24V is the efficiency sweet spot and carries the full binned range. 12V is available where fixture space or existing drivers dictate it, at the cost of shorter single-feed runs. 36V and 48V constant-current boards keep the same lm/W while extending a single feed well past 20 m, which is where the real system efficiency gain shows up on long architectural lines.

2835 CCT Tunable LED Strip Light (#6803)

12mm · 24V · 256LEDs · 62.5mm/cut

Model: 6803

6803 12mm | 24V | 256LEDs | 62.5mm/cut | #6803 | 2835 CCT Tunable LED Strip Light — 24V, cuttable every 62.5mm, 12mm FPCB width, 2835 LEDs, 256 LEDs/m

Description

12mm | 24V | 256LEDs | 62.5mm/cut | #6803 | 2835 CCT Tunable LED Strip Light Tunable White CCT design offers both white light, making this lamp suitable for both work and leisure needs. Using high-efficiency LED chips, with high light efficiency, energy saving, and lower power consumption under the same illumination. This tunable white LED strip features 2835 LED chips, creating a brighter, softer, and more uniform lighting effect. With a high-density design of 256 LEDs per meter, it ensures even light distribution. Light can be switched between warm and white using a controller, meeting a variety of lighting needs. Ideal for decorative lighting, architectural lighting, commercial lighting, and home lighting in scenarios that require tunable white CCT effects.

Specifications

LED QTY	256
PART NO	DL-F28A128V24-6803
SMD TYPE	2835
CUTTABLE UNIT	16LEDs/62.5mm
DIMMABLE	Yes
LED PITCH	7.81mm
PCB WIDTH	12mm
COLOR TYPE	CCT
RUN LENGTH	5m
COPPER FOIL	3oz
POWER RANGE	3.8~30W
CIRCUIT TYPE	C.V.
INPUT VOLTAGE	DC24V

Applications

Cove, wall-wash & perimeter lighting — Coves, recesses, wall-wash details and ceiling perimeters where a continuous, uniform line of light is required.
Showroom & hospitality display lighting — Shelving, display cases, reception desks and signage backlighting in shops, showrooms and hospitality spaces.
Kitchen & wardrobe under-cabinet lighting — Kitchen, wardrobe and furniture task lighting where the strip stays hidden and only the light is seen.
Hotel & residential tunable-white scenes — Hotel rooms, residential living areas and meeting spaces where warm evening light and neutral daytime light are both required from one fixture.

Request a quotation for #6803

DENO LED is a Shenzhen-based LED strip manufacturer with its own Foshan production base. Send the run length, voltage, CCT/CRI and IP rating you need and our engineering team replies with a specification sheet, wiring plan and price — OEM/ODM and fully custom builds included.

Warranty: 5 years
Lead time: standard boards: samples from 1 working day · custom: 3–5 working days · new FPCB: 1–3 weeks · production 1–2 weeks after sample approval
Compliance: CE · UL · RoHS
Bonding wire: 99.99% pure gold
Copper foil: 99.9% pure copper FPCB

Contact DENO LED engineers · OEM / ODM capability

Photometric Performance — CCT × CRI Efficacy Matrix

Peak measured luminous efficacy: 224.7 lm/W at 6500K, Ra 80, ErP energy class B (Grade DN (1st Tier) · CCT 3-Anchor · 15W/m).

All values are measured at the stated power density and ambient 25 °C, reported as luminous efficacy in lumens per watt (lm/W), luminous flux per metre (lm/m) and the corresponding EU ErP (2019/2015) energy class.

Grade DN (1st Tier) · CCT 3-Anchor · 15W/m

Grade DN (1st Tier) · CCT 3-Anchor · 15W/m — measured at 15 W/m: luminous efficacy (lm/W), luminous flux (lm/m) and ErP energy class per CCT and CRI grade.
CCT (K)	Ra 80 — Luminous Efficacy (lm/W)	Ra 80 — Luminous Flux (lm/m)	Ra 80 — ErP Energy Class	Ra 90 — Luminous Efficacy (lm/W)	Ra 90 — Luminous Flux (lm/m)	Ra 90 — ErP Energy Class	Full Spectrum (Ra 95+) — Luminous Efficacy (lm/W)	Full Spectrum (Ra 95+) — Luminous Flux (lm/m)	Full Spectrum (Ra 95+) — ErP Energy Class
2700 K	202.3 lm/W	1517.3 lm/m	B	164.7 lm/W	1235.4 lm/m	D	128.4 lm/W	963.2 lm/m	E
4000 K	204.4 lm/W	3065.3 lm/m	B	166.3 lm/W	2495 lm/m	D	129.7 lm/W	1945.8 lm/m	E
6500 K	224.7 lm/W	1685 lm/m	B	183 lm/W	1372.3 lm/m	C	142.7 lm/W	1070.1 lm/m	E

Grade DN (1st Tier) · CCT 3-Anchor · 26W/m

Grade DN (1st Tier) · CCT 3-Anchor · 26W/m — measured at 26 W/m: luminous efficacy (lm/W), luminous flux (lm/m) and ErP energy class per CCT and CRI grade.
CCT (K)	Ra 80 — Luminous Efficacy (lm/W)	Ra 80 — Luminous Flux (lm/m)	Ra 80 — ErP Energy Class	Ra 90 — Luminous Efficacy (lm/W)	Ra 90 — Luminous Flux (lm/m)	Ra 90 — ErP Energy Class	Full Spectrum (Ra 95+) — Luminous Efficacy (lm/W)	Full Spectrum (Ra 95+) — Luminous Flux (lm/m)	Full Spectrum (Ra 95+) — ErP Energy Class
2700 K	187.3 lm/W	2434.4 lm/m	C	152.5 lm/W	1982.1 lm/m	D	118.9 lm/W	1545.4 lm/m	E
4000 K	189.2 lm/W	4918.2 lm/m	C	154 lm/W	4003.2 lm/m	D	120.1 lm/W	3121.9 lm/m	E
6500 K	208 lm/W	2703.4 lm/m	B	169.4 lm/W	2201.7 lm/m	D	132.1 lm/W	1716.9 lm/m	E

Grade DN (1st Tier) · CCT 3-Anchor · 30W/m

Grade DN (1st Tier) · CCT 3-Anchor · 30W/m — measured at 30 W/m: luminous efficacy (lm/W), luminous flux (lm/m) and ErP energy class per CCT and CRI grade.
CCT (K)	Ra 80 — Luminous Efficacy (lm/W)	Ra 80 — Luminous Flux (lm/m)	Ra 80 — ErP Energy Class	Ra 90 — Luminous Efficacy (lm/W)	Ra 90 — Luminous Flux (lm/m)	Ra 90 — ErP Energy Class	Full Spectrum (Ra 95+) — Luminous Efficacy (lm/W)	Full Spectrum (Ra 95+) — Luminous Flux (lm/m)	Full Spectrum (Ra 95+) — ErP Energy Class
2700 K	182.1 lm/W	2731.1 lm/m	C	148.2 lm/W	2223.7 lm/m	D	115.6 lm/W	1733.7 lm/m	F
4000 K	183.9 lm/W	5517.6 lm/m	C	149.7 lm/W	4491 lm/m	D	116.7 lm/W	3502.4 lm/m	F
6500 K	202.2 lm/W	3032.9 lm/m	B	164.7 lm/W	2470.1 lm/m	D	128.4 lm/W	1926.2 lm/m	E

Grade DL (2nd Tier) · CCT 3-Anchor · 15W/m

Grade DL (2nd Tier) · CCT 3-Anchor · 15W/m — measured at 15 W/m: luminous efficacy (lm/W), luminous flux (lm/m) and ErP energy class per CCT and CRI grade.
CCT (K)	Ra 80 — Luminous Efficacy (lm/W)	Ra 80 — Luminous Flux (lm/m)	Ra 80 — ErP Energy Class	Ra 90 — Luminous Efficacy (lm/W)	Ra 90 — Luminous Flux (lm/m)	Ra 90 — ErP Energy Class	Full Spectrum (Ra 95+) — Luminous Efficacy (lm/W)	Full Spectrum (Ra 95+) — Luminous Flux (lm/m)	Full Spectrum (Ra 95+) — ErP Energy Class
2700 K	178.9 lm/W	1341.5 lm/m	C	145.4 lm/W	1090.4 lm/m	D	113.4 lm/W	850.6 lm/m	E
4000 K	180.7 lm/W	2710.5 lm/m	C	146.9 lm/W	2203.4 lm/m	D	114.6 lm/W	1719 lm/m	E
6500 K	198.5 lm/W	1488.9 lm/m	B	161.6 lm/W	1211.9 lm/m	C	126 lm/W	945.4 lm/m	E

Grade DL (2nd Tier) · CCT 3-Anchor · 26W/m

Grade DL (2nd Tier) · CCT 3-Anchor · 26W/m — measured at 26 W/m: luminous efficacy (lm/W), luminous flux (lm/m) and ErP energy class per CCT and CRI grade.
CCT (K)	Ra 80 — Luminous Efficacy (lm/W)	Ra 80 — Luminous Flux (lm/m)	Ra 80 — ErP Energy Class	Ra 90 — Luminous Efficacy (lm/W)	Ra 90 — Luminous Flux (lm/m)	Ra 90 — ErP Energy Class	Full Spectrum (Ra 95+) — Luminous Efficacy (lm/W)	Full Spectrum (Ra 95+) — Luminous Flux (lm/m)	Full Spectrum (Ra 95+) — ErP Energy Class
2700 K	165.6 lm/W	2152.3 lm/m	C	134.6 lm/W	1749.4 lm/m	E	105 lm/W	1364.7 lm/m	F
4000 K	167.3 lm/W	4348.9 lm/m	C	136 lm/W	3535.3 lm/m	D	106.1 lm/W	2758 lm/m	F
6500 K	183.8 lm/W	2388.9 lm/m	C	149.6 lm/W	1944.4 lm/m	D	116.7 lm/W	1516.8 lm/m	E

Grade DL (2nd Tier) · CCT 3-Anchor · 30W/m

Grade DL (2nd Tier) · CCT 3-Anchor · 30W/m — measured at 30 W/m: luminous efficacy (lm/W), luminous flux (lm/m) and ErP energy class per CCT and CRI grade.
CCT (K)	Ra 80 — Luminous Efficacy (lm/W)	Ra 80 — Luminous Flux (lm/m)	Ra 80 — ErP Energy Class	Ra 90 — Luminous Efficacy (lm/W)	Ra 90 — Luminous Flux (lm/m)	Ra 90 — ErP Energy Class	Full Spectrum (Ra 95+) — Luminous Efficacy (lm/W)	Full Spectrum (Ra 95+) — Luminous Flux (lm/m)	Full Spectrum (Ra 95+) — ErP Energy Class
2700 K	161 lm/W	2414.7 lm/m	C	130.8 lm/W	1962.6 lm/m	E	102.1 lm/W	1531 lm/m	F
4000 K	162.6 lm/W	4878.9 lm/m	C	132.2 lm/W	3966.1 lm/m	E	103.1 lm/W	3094.2 lm/m	F
6500 K	178.7 lm/W	2680 lm/m	C	145.4 lm/W	2181.4 lm/m	D	113.4 lm/W	1701.6 lm/m	E

Grade KE (3rd Tier) · CCT 3-Anchor · 15W/m

Grade KE (3rd Tier) · CCT 3-Anchor · 15W/m — measured at 15 W/m: luminous efficacy (lm/W), luminous flux (lm/m) and ErP energy class per CCT and CRI grade.
CCT (K)	Ra 80 — Luminous Efficacy (lm/W)	Ra 80 — Luminous Flux (lm/m)	Ra 80 — ErP Energy Class	Ra 90 — Luminous Efficacy (lm/W)	Ra 90 — Luminous Flux (lm/m)	Ra 90 — ErP Energy Class	Full Spectrum (Ra 95+) — Luminous Efficacy (lm/W)	Full Spectrum (Ra 95+) — Luminous Flux (lm/m)	Full Spectrum (Ra 95+) — ErP Energy Class
2700 K	152.7 lm/W	1145.5 lm/m	D	124 lm/W	930 lm/m	E	96.8 lm/W	725.8 lm/m	F
4000 K	154.3 lm/W	2315.2 lm/m	D	125.3 lm/W	1879.4 lm/m	E	97.7 lm/W	1466.2 lm/m	F
6500 K	169.6 lm/W	1271.8 lm/m	C	137.8 lm/W	1033.7 lm/m	D	107.5 lm/W	806 lm/m	F

Grade KE (3rd Tier) · CCT 3-Anchor · 26W/m

Grade KE (3rd Tier) · CCT 3-Anchor · 26W/m — measured at 26 W/m: luminous efficacy (lm/W), luminous flux (lm/m) and ErP energy class per CCT and CRI grade.
CCT (K)	Ra 80 — Luminous Efficacy (lm/W)	Ra 80 — Luminous Flux (lm/m)	Ra 80 — ErP Energy Class	Ra 90 — Luminous Efficacy (lm/W)	Ra 90 — Luminous Flux (lm/m)	Ra 90 — ErP Energy Class	Full Spectrum (Ra 95+) — Luminous Efficacy (lm/W)	Full Spectrum (Ra 95+) — Luminous Flux (lm/m)	Full Spectrum (Ra 95+) — ErP Energy Class
2700 K	141.4 lm/W	1837.8 lm/m	D	114.8 lm/W	1492.1 lm/m	E	89.6 lm/W	1164.6 lm/m	F
4000 K	142.9 lm/W	3714.6 lm/m	D	116 lm/W	3015.4 lm/m	E	90.5 lm/W	2352.5 lm/m	F
6500 K	157 lm/W	2040.6 lm/m	D	127.6 lm/W	1658.5 lm/m	E	99.5 lm/W	1293.2 lm/m	F

Grade KE (3rd Tier) · CCT 3-Anchor · 30W/m

Grade KE (3rd Tier) · CCT 3-Anchor · 30W/m — measured at 30 W/m: luminous efficacy (lm/W), luminous flux (lm/m) and ErP energy class per CCT and CRI grade.
CCT (K)	Ra 80 — Luminous Efficacy (lm/W)	Ra 80 — Luminous Flux (lm/m)	Ra 80 — ErP Energy Class	Ra 90 — Luminous Efficacy (lm/W)	Ra 90 — Luminous Flux (lm/m)	Ra 90 — ErP Energy Class	Full Spectrum (Ra 95+) — Luminous Efficacy (lm/W)	Full Spectrum (Ra 95+) — Luminous Flux (lm/m)	Full Spectrum (Ra 95+) — ErP Energy Class
2700 K	137.5 lm/W	2061.8 lm/m	D	111.6 lm/W	1673.9 lm/m	E	87.1 lm/W	1306.5 lm/m	F
4000 K	138.9 lm/W	4167.3 lm/m	D	112.8 lm/W	3382.9 lm/m	E	88 lm/W	2639.2 lm/m	F
6500 K	152.6 lm/W	2289.3 lm/m	D	124 lm/W	1860.6 lm/m	E	96.7 lm/W	1450.8 lm/m	F

High-Power LED Strip: Heat Dissipation & Aluminum Channel Guide

At up to 30W/m, 6803 is a high-power SMD LED strip. Above roughly 14.4W/m the tape can no longer shed its own heat through the FPC alone — an aluminum channel is part of the luminaire, not an accessory.

Why high-wattage strips need a heat sink

Aluminum conducts heat roughly 30× faster than the plastics, MDF or gypsum a strip is usually stuck to, so a bare high-power run traps heat under the tape.
LED lifetime (LM-80 / TM-21) is driven by solder-point temperature Tc. Keeping Tc inside the datasheet limit — DENO strips are rated Tc ≤ 75°C — is what preserves the rated L70 lifetime and colour stability.
Never run 14.4W/m or more coiled on the reel, inside a sealed plastic diffuser, or directly on wood, wallpaper or foam.

Sizing rule: FPC width vs channel inner width

Channel inner width ≥ FPC width + 2mm. This strip is 12mm wide, so it needs at least 14mm of inner width.
The 2mm clearance absorbs extrusion tolerance and lets the tape be seated or replaced without scraping the side walls or the wiring.
A frosted or opal PC cover then diffuses the higher lumen output into an even, dot-free line instead of visible hot spots.

Aluminum channels that fit this strip

Recommended LED Channels

Mount this LED strip in a DENO LED aluminum profile for heat dissipation, physical protection and diffused, dot-free output.

This strip is 12mm wide, so it needs a channel with at least 14mm inner width (12mm + 2mm clearance). Every profile below meets that.

Related models in this series

See every model in SMD LED Strip Series or narrow to Cct. Compare wattage, lumen output and run length in the ProCalc parameter library, or request OEM/ODM pricing on the custom manufacturing page.

Engineering & selection guide

Bending limits, IP selection, voltage drop, cutting and the full buyer Q&A for this family are kept on the series page.

High Efficiency LED Strips series — High Efficiency LED Strip — Buyer Questions
LED strip engineering selection handbook