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            Kt Kingtronics Updated RoHS 2.0

            Kingtronics предлагает полный спектр Обрезка потенциометров с нашей собственной торговой маркой "КТ" с 
            1990 года.
            Мы получаем высокую репутацию наших trimpots высокое качество и конкурентоспособные цены. Мы гордимся 
            тем, что Kingtronics Подстроечный хорошо известны в зарубежные рынки.
            В январе 2016 года, мы подготовили все ключевые сырье Обрезка потенциометры и затем переданы SGS 
            После 1 недели тестирования, мы получили положительный ответ от наших потенциометров от компании SGS. 
            Теперь мы хотели бы поделиться этой благой вестью с нашей Kingtronics верного клиента.
            Kingtronics Обрезка Потенциометр ваш первый выбрал, и Kingtronics это ваш лучший партнер.
            Более подробно о наших RoHS 2,0 отчет, перейдите ниже ссылке:

            Kt Website in Portuguese and Russian is Available

            Dear valued customer,

            Our Kingtronics website in Portuguese and Russian is available now. You can visit it via 
            clicking below different language icons.Much appreciate if we can receive your suggestion, we will
            keep improving it !

            Below transistor and diode are our strong parts, pls contact  info@kingtronics.com if you 
            need price, thank you!

            Transistor BC847A/B/C SOT-23 T&R RoHS  
            Transistor BC807-16/25/40 SOT-23 T&R RoHS   

            0.5W BZX55C2V7 ~ 47V  DO-35 Bulk RoHS
            0.5W BZV55C2V0 ~ 47V  mini melf  LL-34 T&R RoHS         

            Switch diode BAV70 SOT-23 T&R RoHS
            Switch diode BAV99 SOT-23 T&R RoHS     

            Bridge DB107S DBS 50pcs/Tube RoHS
            Bridge MB6S MBS 2500pcs/Reel RoHS 

            Kt Kingtronics Trimmer 3296, 3006, 3329. ..


            Trimmers Basic:

            In its most common form, a trimmer is simply a device containing a resistive element, and a wiper, or adjustable tap, contacting the element. The wiper can be mechanically moved to vary the amount of voltage or resistance in the circuit. The resistive element is usually laid out in linear or a circular configuration:

            Kt Kingtronics New Arrival -- Small Signal Transistor


            You know that Kingtronics specialize in manufacturing diode, bridge rectifier, capacitor and trimmer, right?

            From now on, besides above 4 series, we have a new series--transistor. In order to promote it to the market aggressively, we put forward much more competitive price than these brands Diodes, Fairchild, NXP, ON Semi and STM....

            Are you keen to save cost and profits increase? Pls feel free to contact or email me sales2@kingtronics.com

            Small Signal Transistor
            BC807-16/25/40 BC817-16/25/40
            BC846A/B/C BC847A/B/C
            BC848A/B/C BC849A/B/C
            BC850A/B/C BC856A/B/C
            BC857A/B/C BC858A/B/C
            BC859A/B/C MMBT3904
            MMBT3906 MMBT8050C/D
            MMBT8550C/D MMBT9012G/H
            MMBT9013G/H MMBT9014B/C/D
            MMBT9018G/H MMBTSC945L/O/P/Y

            Kt Kingtronics Radial and SMD Type Tantalum Capacitors

            Dear valued customer,

            How are you today ?

            Thanks for your read receipt and inquiry on my last RKT-C3305 promotion.  

            Would you like to check our price for radial and SMD type tantalum capacitors ?

            We produce and sell high quality capacitors under our own registered brand king & kt since 1990.

            Here i list some common value for your reference, could you pls check and send me inquiry for these ? thank you

            TKT--Dipped tantalum capacitor

            0.1uF 35V +/-10% P: 2.54mm Bulk RoHS

            1uF 35V +/-10% P: 2.54mm Bulk RoHS

            10uF 35V +/-10% P: 2.54mm Bulk RoHS

            2.2uF 35V +/-10% P: 2.54mm Bulk RoHS

            4.7uF 35V +/-10% P: 2.54mm Bulk RoHS 

            CKT-Chip tantalum capacitor

            4.7uF 16V +/-10% B Case T&R RoHS

            10uF 16V +/-10% B case T&R RoHS

            1uF 16V +/-20%  A case T&R RoHS         

            220uF 10V +/-20% D CaseT&R RoHS

            Cross reference: AVX--TAP, Nemco TB series, NIC--NDTM series, Daewoo TB series, Kemet--T350 to T390, China CA42

            Kt Kingtronics Promoting Diode M7 (SMD 1N4007, SMA) with Attractive Prices

            ISO, SGS and UL certified Manufacturer. Diode M7 (SMD 1N4007, SMA) DO-214AC T&R RoHS2. Monthly Output: 90KKpcs.















            Datasheet: http://www.kingtronics.com/pdf/M7-diode.pdf

            Alarm, automotive, communications, power meter, ballast construction...
            Payment terminals, terminal block, automobile electronics, TV, cash registers...
            Power supply, electricity meter, LED lighting, small household appliances, power adapter....

            Cross Reference:



















            Micro Commercial









            Vishay, FC



























            Kt Kingtronics Strong Series Products

            Kingtronics specializes in manufacturing trimming potentiometers, tantalum & ceramic capacitors, diode and bridge rectifiers.
            We are a professional electronic components manufacturer with over 20-year history. Could you pls check below Kingtronics Strong Series Products?
            ---ISO 9001: 2008 manufacturer, 2 factories since 1990, ISO/UL/SGS certificates

            1. QKT--Quartz Crystal
                QKT-HC49U, QKT-HC49S, QKT-HC49SMD

            2. RKT--Trimmer Potentiometer(Cross to Bourns,Murata,Tocos,Vishay, BI technology)
                3296 3006 3386 3266 3362 3329 3590S SMD C3305 3mm SMD trimmer (3303, Murata PVZ3A)

            3. MKT--Radial Multilayer Ceramic Capacitor, Lead, Through Hole;
             AKT--Axial Lead Multilayer Ceramic Capacitor
                0.01uF 50V X7R +/-10% P:5.08mm Bulk RoHS

            4.TKT-- Dipped Tantalum Capacitors, Radial Type, Lead Space.
               1uF 35V +/-20% P: 2.54mm Bulk RoHS

            5. Diode and Bridge Rectifier
                Diode S1M, SM4007, RS1M, M7, LL4148, BZV55C,
                Bridge Rectifiers MB2S, MB6S, MB8S (S380), DB107S
                http://www.kingtronics.com/pdf/Kingtronics-diode-and-bridge- part-list.pdf

            Kt Kingtronics Applications of Trimmer Potentiometers

            Example1: Flicker adjustment for LCD (Liquid - crystal display)
            To adjust the reference voltage (VCOM) of LCD.
            With inappropriate reference voltage, there will be flicker on LCD screen.
            Use trimmer Potentiometers to adjust reference voltage for flicker restraining.

            LCD has some flickers if the voltage is not suitable for LCD.

            You can reduce the flickers when you adjust the voltage by using trimmer potentiometer.

            Example2: Gain adjustment for Blu-ray, DVD, CD disc reading optical pick - up.

            As record media Blu-ray, DVD and CD etc. usually be used, and we use optical pick - up for the data
            reading and writing from disc. In an optical pick - up, there is a light - sensitive element to detect
            reflected light from disc.And a trimmer potentiometer is used to adjust the sensitivity
            of thislight - sensitive element.

            Circuit example Playback system device (ex, DVD, CD, playback)

            Example3: Sensitivity adjustment for sensor products.

            There are all kinds of sensors around our life.

            • Lights turn on automatically when human be detected.
            • Smoke detector for fire preventing.
            • Parking assist system for distance from car to wall.
            • Product detection sensor in factory.

             For these sensors, trimmer Potentiometers are used for suitable sensitivity.

            Kt Kingtonics Principle of Trimmer Potentiomerets

            Principle of Trimmer Potentiomerets

            A fixed resistor with a mechanism to change resistance construct a trimmer potentiometers. The principle is with the changing of resistive element length according a wiper sliding, the resistance will be changed. Use this method, with same sectional area, the resistance can be changed relative to resistive element length, and products can be manufactured in low cost.

                        R: Resistance [Ω] 
                        ρ: Resistivity [Ω/m] 
                        L: Resistive element length [m] 
                        S: Resistive element sectional area [m2]

            • The position of contact point decide the length of resistive element.
              Resistance between No.1 and No.2 (R12) will become higher if contact point become closer to No.3.
            • For easy introduction, we drew the resistive element like a rectangular solid. Actually, almost resistive element is round shape
              (U - shaped) .So the track of wiper is circle, and resistance is decide by the angle of wiper.

            Change in resistance of Trimmer Potentiometers

            There is the relationship between wiper position (angle) and resistance in below figure.

            The output wave is besed on below conditions.
            Resistive element is round shape (U - shaped) /Single - turn/No whirl - stop.

            Single - turn, no whirl - stop typ    The relationship between wiper position (angle) and resistance 

            Feature of Trimmer Potentiometers

            By using trimmer potentiometers, it is no problem to set surrounding circuit constant roughly.
            Would you please use trimmer potentiometers if it is difficult to decided on a resistance value in your circuit. You can design your circuit roughly and quickly as the result.

            Kingtronics (Kt) Trimming Potentiometers Product List

            Trimmer potentiometer 3296, 3006, 3386, 3266, 3362, 3329, 3590S, 3540S, 065, SMD C3305...

            (zast?ihova? potenciometr; preset; trimmer potenziometro; тример-потенциометъра; подстроечный потенциометр; п?длаштування потенц?ометр;)
            We are one of the oldest factories for producing trimmer potentiometer in China since 1990, with mature technology.
            Different from other potentiometer suppliers, our potentiometer quality is very good, got approval wiht  ISO & SGS certifications, RoHS Compliant.

            We also can make equivalence for brands like Bourns, BI Technology, Tocos, Murata, Vishay, Copal, CTS... 
            RKT-3006 3/4" (19 mm) Rectangular Trimming Potentiometer
            RKT-3266 1/4" (6 mm) Square Trimming Potentiometer
            RKT-3296 3/8" (9 mm) Square Trimming Potentiometer
            RKT-3323 1/4" (6 mm) Square Trimming Potentiometer
            RKT-3329 1/4" (6 mm) Round Trimming Potentiometer
            RKT-3362 1/4" (6 mm) Square Trimming Potentiometer
            RKT-3386 3/8" (9 mm) Square Trimming Potentiometer
            RKT-3309 9 mm Through-Hole Cermet Consumer Trimming Potentiometer
            RKT-3540S Precision Potentiometer (Multiturn)
            RKT-3590 Precision Potentiometer (Multiturn)
            RKT-C3305 Trimming Potentiometer-3mm SMD
            RKT-065 Phenolic Consumer Trimming Potentiometer