7440/7443 (T20)LED BULBS
Release time: 2026-09-23 16:39:03Zhenjiang Zhendong Electrolumine Scence Co.,Ltd.
7440





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7443




7440 / 7443 (T20) LED Bulb English Specification Table
表格
| Item | Specification |
|---|---|
| Model | 7440 / 7443 (T20) LED Bulb |
| Bulb Type | 7440: Single filament; 7443: Dual filament |
| Base / Socket | T20 wedge base7440 = W21W7443 = W21/5W |
| Chip | 2835 / 3030 SMD, multi-sided light emitting |
| Power per Bulb | 5W~9W (standard:6W) |
| Lumen | 400–1000LM per bulb |
| Color / Color Temp | 6000K Cool White / 3000K Amber / Red |
| Operating Voltage | DC 9–16V (12V vehicles) |
| Waterproof Rate | IP68 |
| Cooling | Aluminum heat sink |
| Operating Temperature | -40℃ ~ +85℃ |
| Lifespan | ≥ 50,000 hours |
| Features | Non-polarity, CANBUS optional, built-in decoder available |
| Installation | T20 wedge connector, plug & play |
| Application | Brake light, tail light, turn signal light, reverse light, parking light |
| Cross Models | 7441, 7444, 992, WY21W |
Key Notes
- 7440(W21W) single brightness, mainly for reverse lamp or turn signal.
- 7443(W21/5W) dual brightness: low brightness for tail light, high brightness for brake light.
- T20 cannot replace T25 (3156/3157), different base size.
- Used for turn signal may cause hyper flash, extra load resistor or decoder needed.
- Previous: 3156/3157(T25) LED Bulbs
- Next: 1156/1157 /1150(P21W) LED BULBS



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E-mail: sales03@sinlete.com
Tel: + +86-511-85585550 85585552 85585522
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