A19 Dimmable LED Bulb 7W Pear-shape Global-Shape LED Light

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Specifications

A19 dimmable led bulb
1. 7W, 520LM
2. beam angle 270degree
3. PF>0.9 Ra>80
4. elegant design


New item A19 dimmable led bulb 7w pear-shape global-shape led light
Brife Spectification
A19 dimmable led bulb 7w 1. 7W, 520LM 2. beam angle 270degree 3. PF>0.9, Ra>80
Technical Parameters
Item No.:	LD-7W-E27-G60D-DI
Wattage:	7W
Size:	D60*116mm(E26/E27/B22)
LampHolder:	E26/E27/B22
Lamp Shade:	PC/Milky
Luminous:	520±10% LM
Led Chips:	16pcs*0.5W SMD3014
Input Votage:	AC85V-265V
Power Factor:	>0.9
CRI:	>80
Beam Angel:	270degree
CCT:	2600K-2850K, 2850K-3000K, 4000K-4500K, 6000K-6500K
Working Life:	>30,000H
Type:	Non-dimmer / dimmable
Package:	Supporting white or gife box

Q: Ordinary lamp LED bulb can?: No problem, the heating LED bulb is mainly aluminum shell above on the lamp body, a lamp holder will not affect the interface, and the heating temperature does not exceed 60 degrees, and the plastic cap interface at least 160 degrees above the melting point, so is not affected on the lamp interface, you can rest assured that use

Q: LED how does the bulb return electricity?: A 0 ohm resistor with a large point on the negative electrode

Q: What is the 15 Watt lumen of the LED bulb?: The chip is better, but it's also 80lm/w's light effect, so the 15W flux is 1200lm's.. The chips are even lower

Q: Led the bulb is flashing. What's wrong with it? How do you fix it?: There is a drive power failure, and if you do not electronic repair ah, it is recommended to return directly to another driver, generally have 1 years warranty period

Q: LED bulb w can replace 40W incandescent lamp: I am engaged in the LED drive industry, not very professional, and I hope to help you.About brightness and energy saving comparison,1W LED=3W CFL (energy saving lamp) =15W incandescent lamp3W LED=8W CFL (energy saving lamp) =25W incandescent lamp4W LED=11W CFL (energy saving lamp) =40W incandescent lamp8W LED=15W CFL (energy saving lamp) =75W incandescent lamp12W LED=20W CFL (energy saving lamp) =100W incandescent lampBecause the company uses the light quality is not a reason, so this is not absolute.

Q: How to identify Ic constant current LED bulb?: Hello, LED market is now very confused, this problem is the use of LED lamps of the users are more concerned about the problem, the so-called IC constant current drive power refers to the LED lamp (commonly known as the transformer) with a constant stream of multifunctional IC chip, the IC is generally 5-8 feet (depending on the model and decision scheme), role is to ensure that the current through LED lamp is controlled in a relatively constant parameter, ensure the long-term stability of LED lamp work at constant current. When the input or output voltage is changed, the current through LED remains constant, so the constant current IC of the LED light stability and service life is directly related to the IC also includes internal short circuit protection, overtemperature protection function of open protection etc.

Q: Are there any differences between negative ion bulb and LED bulb?: LED bulbs are made by plug-in lights or SMD or high-power LED, and there is no built-in negative ion generator.

Q: LED bulb after the power failure, still glimmer, can last hours or even all day, what is the reason?!: If the switch is installed on the zero line, LED is the resistance capacitance step-down if the light shimmer is mainly the induction voltage capacitance inside (with the switch installed on the line Never mind, because there are capacitance induction voltage). The meter won't turn. Of course, you can not expect to use this induced voltage to lighting, because this voltage is extremely weak, unable to meet the minimum requirements for lighting. If the switch is on the zero line, and there is a problem with the capacitor in the capacitive circuit, it is likely to be a long time. Over time, the circuit in the LED light proved to be a problem

Q: Will the power of the LED bulb grow longer and longer? Why?: Could you tell me the measurement method? - how about the side current and voltage? Or, whether direct measurement of active power under mains power supply?Also, can you tell me the circuit of LED bulb? DC power supply or AC power supply? Constant current module drive or RC current limiter? If the power supply is 12 volts low, is the resistor only current limiting?I feel something doesn't make sense......In one case, the longer the duration of the LED bulb, the greater the power:In some advanced LED bulb bulbs, an anti impact "slow start" circuit is added to the design, and a NTC (negative temperature coefficient) resistor is incorporated into the LED power supply circuit.Because of the larger resistance of NTC in cold state, the current of LED is smaller and the power is relatively small;With the use of electricity LED bulbs, NTC resistance temperature gradually increased, the resistance is reduced, the current of LED is also increased, so the power LED bulb also increases, temperature stability, until NTC resistance unchanged so far.

Q: Is there any flicker in the LED bulb?: Really, the voltage in our home is likely to lead to fluctuations in the LED bulb strobe in public, voltage instability will be more common, but most of the voltage is relatively stable, does not appear large fluctuations, so the strobe is not violent, but the fact is there. Questions raised by the questioner can show that you are observant.

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