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Replacement Laptop DC Car Power Adapters for LENOVO

Are you looking for it: high quality LENOVO DC car adapter, discount LENOVO DC car adapter, cheap LENOVO DC car adapter? Well, rest assured that the best value for your replacement adapter is not the original manufacturer.
Please select your LENOVO model below to find a suitable replacement Laptop DC (in-car) Adaptor
3000 C100 3000 C200 3000 G230
3000 G400 3000 G410 3000 G51
3000 G510 3000 N100 3000 N200
3000 V100 3000 V200 3000 Y300
3000 Y300 7759 3000 Y310a 3000 Y310a 7756
3000 Y400 3000 Y400 9454 3000 Y410a
3000 Y410a 7757 3000 Y500 3000 Y500 7761
3000 Y510a B470 B570
E535-32605SU G470 G570
G575 G770 IdeaPad G430
IdeaPad G450 20022 IdeaPad G460 20041 IdeaPad S10
IdeaPad S10-2 IdeaPad S10-3 20039 IdeaPad S10-3t
IdeaPad S10e IdeaPad S12 IdeaPad S400
IdeaPad S9 IdeaPad S9e IdeaPad U110
IdeaPad U150 Ideapad U160 IdeaPad U160
IdeaPad U300 IdeaPad U300e IdeaPad U300E
IdeaPad U300s Ideapad U310 IdeaPad U310
Ideapad U310E Ideapad U310S IdeaPad U330
IdeaPad U350 IdeaPad U350 20028 IdeaPad U350 2963
IdeaPad U350W IdeaPad U400 IdeaPad U410
IdeaPad U450P IdeaPad U450P 20031 IdeaPad U550
IdeaPad V470 IdeaPad V570 IdeaPad Y310
IdeaPad Y410 IdeaPad Y430 IdeaPad Y450
IdeaPad Y460 IdeaPad Y510 IdeaPad Y530
IdeaPad Y550 IdeaPad Y650 IdeaPad Y730
IdeaPad Z360 IdeaPad Z470 IdeaPad Z500
IdeaPad Z570 IdeaPad Z575 Lenovo 3000 C100
Lenovo 3000 C200 Lenovo 3000 N200 Lenovo 3000 V200
Lenovo ThinkPad Edge Lenovo ThinkPad Edge 0196-3EB Lenovo ThinkPad L412
Lenovo ThinkPad L512 Lenovo ThinkPad W500 Thinkpad E120
ThinkPad E30 ThinkPad E31 ThinkPad Edge
ThinkPad Edge 0196-3EB ThinkPad Edge 0578-47B ThinkPad Edge 11
ThinkPad Edge 11" ThinkPad Edge 13 ThinkPad Edge 13"
ThinkPad Edge 14 ThinkPad Edge 15 ThinkPad Edge 15"
Thinkpad Edge E120 Thinkpad Edge E125 ThinkPad Edge E130
ThinkPad Edge E220s ThinkPad Edge E320 ThinkPad Edge E325
ThinkPad Edge E40 ThinkPad Edge E420 ThinkPad Edge E420s
ThinkPad Edge E50 ThinkPad Edge E520 ThinkPad Edge E525
ThinkPad Edge E535 ThinkPad Edge E535-32605SU ThinkPad Edge S430
ThinkPad i1400 ThinkPad i1410 ThinkPad i1411
ThinkPad i1412 ThinkPad i1436 ThinkPad i1442
ThinkPad i1450 ThinkPad i1451 ThinkPad i1452
ThinkPad i1460 ThinkPad i1472 ThinkPad i1480
ThinkPad i1482 ThinkPad i1500 ThinkPad i1512
ThinkPad i1522 ThinkPad i1552 ThinkPad i1700
ThinkPad i1720 Thinkpad i2611 ThinkPad L410
ThinkPad L412 ThinkPad L420 ThinkPad L421
ThinkPad L430 ThinkPad L510 ThinkPad L512
ThinkPad L520 ThinkPad L530 ThinkPad R400
ThinkPad R500 ThinkPad R52 ThinkPad R60
ThinkPad R60e ThinkPad R61 ThinkPad R61e
ThinkPad R61i ThinkPad S230u ThinkPad S230U
ThinkPad SL300 ThinkPad SL400 ThinkPad SL410
ThinkPad SL410 2842 ThinkPad SL500 ThinkPad SL510
Thinkpad T22 2647 ThinkPad T400 ThinkPad T400s
ThinkPad T410 ThinkPad T410i ThinkPad T410s
ThinkPad T410si ThinkPad T420 ThinkPad T420i
ThinkPad T420s ThinkPad T420si ThinkPad T42p
ThinkPad T430s ThinkPad T430u ThinkPad T43p
ThinkPad T500 ThinkPad T510 ThinkPad T510i
ThinkPad T520 Dual Core models ThinkPad T520i Thinkpad T60
ThinkPad T60p ThinkPad T61 ThinkPad W500
ThinkPad W510 ThinkPad W520 ThinkPad X1
ThinkPad X100e ThinkPad X120e ThinkPad X121e
ThinkPad X130e ThinkPad X131e ThinkPad X200
ThinkPad X200s ThinkPad X200si ThinkPad X200t
ThinkPad X200 Tablet ThinkPad X201 Thinkpad X201i
ThinkPad X201s ThinkPad X201t ThinkPad X201 Tablet
ThinkPad X220 ThinkPad X220t ThinkPad X220 Tablet
ThinkPad X230i ThinkPad X230 Tablet ThinkPad X300
ThinkPad X301 Thinkpad X60 Thinkpad X60S
ThinkPad X60 Tablet ThinkPad X61 ThinkPad X61LS
ThinkPad X61s ThinkPad X61 Tablet ThinkPad Z60
ThinkPad Z60m ThinkPad Z60t ThinkPad Z61e
ThinkPad Z61m ThinkPad Z61p ThinkPad Z61t
The adapter supplied by our Company are [replacement for] sold for use with certain products of computer manufacturers, and any reference to products or trademarks of such companies is purely for the purpose of identifying the computers with which our products [are replacement for] may be used. Our Company and this Website are neither affiliated with, authorized by, licensed by, distributors for, nor related in any way to these computer manufacturers, nor are the products offered for sale through our Website manufactured by or sold with the authorization of the manufacturers of the computers with which our products [are replacement for] may be used.

Power adapters come in two basic varieties AC/AC and AC/DC:

AC/DC— In its most basic form, a diode is added to the AC/AC adapter circuitry to create an AC/DC power adapter. The lowest cost DC power adapters use half wave rectification, however generally for few cents more you can a full wave rectification.

Common today is the center-tapped design where each half of the secondary transformer winding is idle half of the time. The primary drawback to this design is you have to use a bigger transformer to get the same power output.

The single diode, half wave rectification DC adapter is ideal for use in toy motors, battery adapters and other applications where the 100% ripple and 50% duty cycle won’t affect performance. Simply adding a capacitor can smooth out the ripple, but since it typically needs a larger capacitor at a higher cost than full wave bridge rectification, the design decision is usually in favor of the full wave rectifier.

Full wave rectifiers also have 100% ripple though the DC component of the power frequency spectrum that is much larger than that with half-wave adapters. Adding a capacitor can smooth out the ripple to some extent; however if ripple is important to you, you need to specify it. The reason? As a capacitor gets bigger, it also gets more expensive, and extra expense is what most manufacturers avoid in this highly price sensitive market.

So far none of the AC/DC power adapters mentioned have added line regulation. It is possible to add a three terminal voltage regulator to the adapter to perform volt line and load regulation, but the limited heat sinking capability limits these adapters to low power applications. If you need well-regulated power, you may want to consider using an unregulated power adapter and handle the filtering and regulation in your own product or use a switching power supply that supports a wider range of input voltages. System Connection offers regulation as an option in all our OEM power supplies, linear or switching

The range of output connectors for wall-plug power supplies is unlimited, but the most popular are listed on our Design Your Own Power Adapter form. The most commonly used is the 5.5 x 2.5 mm barrel connector, with center positive. The cost affect is minimal between the various phonon style plugs so just select the version that best matches the design requirements of the project, and decide if cable should exit the mold at 90 degrees or 180 degrees.

Wall plug-in power adapters are certified by safety agencies. The adaptors are required to have a thermal fuse to protect against fire if there is a short circuit. Typically, they are soldered-in glass tube type fuses, which are not user replaceable. Glass tube fuses protect the primary side of the transformer and are rated at 240 volts. Don’t get confused by this rating, even a 110 volt input wall power adapters is designed with a fuse rated at 240 volts. The current rating is typically two to three times the rated input current.

Power adapters with UL, TUV, CUL, etc safety approvals will have the input windings of the transformer isolated from the output windings. It is important to note that there is a capacitance between the windings, which could result in a small AC leakage current to ground.

Adapters with safety agency certifications should be properly isolated, eliminating the need for a polarized connector, or a three-pin plug. While it may be useful in certain applications to have a ground connection to reduce hum, such power adapters are rare for commercial applications.

This safety certification is a design advantage because when wall mount power adapters have all the necessary safety agency certifications, you avoid the cumbersome, time consuming and costly safety certification process you would need to endure if you had AC going into your product. For this reason, AC adapters have become so ubiquitous on many of the products we see today.


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