Kingtronics, a professional manufacturer, based in Hongkong, produce and sell our brand kingtronics diode and bridge rectifiers, with very good reputation in the market!

Diode rectifier:  M7, LL4148, zener diode BZV55C, RS1M, 1N5399, RL207, 6A10, FR107, 1N4937, FR207, 1N5819, 1N5822, SM4007, UF4007.......etc..
Diode M7 is one of our most strong part, it with High forward surge current capability, High temperature soldering guaranteed.
And JEDEC DO-214AC molded plastic body, it is For surface mounted applications, widely used in the market!

Bridge rectifier:  DB107, MB10S, KBL4005,KBU610, KBPC2510, KBPC2510W, KBPC35005-KBPC3510, KBPC3510W........etc..
Bridge DB107S is very popular part, with High temperature soldering guaranteed, Reliable low cost construction technique, Ideal for printed circuit board..
For more detailed descriptions, please visit our website, you will find our valued informations.





Do you need any trimming potentiometers?  
We offer "kingtronics" brand with competitive price,  very speedy delivery and very high quality.  
And our products are well crossed to Bourns Brand, which perform a variety of circuit adjustments in all types of electronic equipment. 
Around the world, trimmers are used in virtually every electronic market.
Here list you the detail features for one of our most popular part RKT-3296
3/8" Square Multiturn Trimming Potentiometer, Cermet, Sealed, 3296W,3296X,3296Y,3296Z,3296P. 

Detailed Description:

Square trimming potentiometer, Multiturn, Sealed, Cermet

Standard Resistance Range 10Ω - 5MΩ

Resistance Tolerance ±5%, ±10%

Withstand Voltage 640Vac

Temperature Range -55℃ ~ +150℃

Effective Travel 28 turns nom

Standard Packaging 50pcs, per tube

All of our products are with RoHS compliant, what's more we have more than 20 years experience for trimmers, have mature technology!

Please come up to kingtronics, we will be your best choice!

Hi there,
I am glad to say, our zener diode BZV55C & BZX55C have much better price, please send your inquiry list to Mandy (, Kingtronics will help you to save money, and help you earn more money!!

1.  Professional manufacturer w/ ISO/SGS/ UL certificate
2.  High quality commitment
3.  Well-known brand Kingtronics
4.  Competitive prices
5.  Fast lead time & stock
6.  Strong sales support
7.  Sales response quickly
8.  Strong technical support
9.  Excellent customer service
10. Exhibitions overseas

Did you buy bridge rectifier from Diotec and Fairchild about below series? We Kingtronics can supply you these items at much better price and quick delivery.
Our bridge rectifier has these advantages than the two brands listed:
1: Kingtroncs bridge rectifier is UL certified.
2. Quick delivery: 3-5 weeks
3. Excellent quality: it sells to many famous distributors like Avnet and Newark

HK based manufacturer with ISO UL certifications

Kingtronics P/N


















This November we Kingtronics will exhibit at Munich Electronica. Sincerely invite you to visite our booth No.B6.437/5.
Or pls email to and we will reply your request instantly.

Kingtronics, we are ISO manufacturer with two factories. Radial multilayer ceramic capacitor is one of kingtronics most strong offer!
We sell radial multilayer ceramic capacitor to many big customer for many years, we are the most competitive manufacturer in the market!
Here show you some brief description of our products, with mature technology:
Kingtronics own brand: Kingtronics
Technical support
2-3 weeks delivery
unbeatable price
good service
high quality
free samples
With above you should trust kingtronics will not let you down!
If you have any doubt you can contact our sales at any time, we will response you at the soonest!
Please have a look at our picture, from the sight of view you may satisfied with our products, let's go ahead, start our further cooperations!


Kt Kingtronics Hot sell--TKT--Dipped tantalum capacitors, radial type

Kingtronics TKT series dipped tantalum capacitor, also called radial tantalum capacitors, or tantalum bead capacitors.

TKT series meets and exceeds the requirements of IEC Specification 384-15-3, IECQ Specification QC300201/US003 and Technical Specification SJ/T10856-96. Dipped tantalum capacitors are used in military (on request) and civil applications such as TV sets, camcorders, computers, program-controlled electronic telephone switching systems, telephones, instruments and meters.

Want more hot sell infos? Pls. don't hesitated to contact Ms Mandy Liang :

Kingtronics other trimming potentiometer ( RoHS compliant, ISO/SGS certified )
RKT-3006, RKT-3266, RKT-3296, RKT-3323, RKT-3329, RKT-3362, RKT-3386, RKT-3309, RKT-065, RKT-C3305, RKT-3540S, RKT-3590
Brief description:
Single Turn/ Phenolic/ Industrial
Detailed Description:
Standard Resistance Range  100Ω - 2MΩ 
Resistance Tolerance  ±30% 
Residual Resistance  Max 5% of Nominal Resistance, But under 30Ω 
Resistance Taper  Linear (B) 
Rated Power  0.1W 
Operating Voltage  50V Max 
Potational Life 
Max ±5% change in resistance after 100 unloaded rotations 
Load Life Max ±5% change in resistance after 3 hours loaded 
Rotational Angle  200° ± 20° 
Rotational Torque 
Stop-end Strength minimum

-- ISO 9001: 2008 manufacturer, 2 factories, ISO & UL & SGS certified.
-- Meet us at Electronica 2012, Booth No.: B6.437/5, 13-16 November ,2012, Munich, Germany.
-- Meet us at electronicAsia 2012,Booth No.: 5G-D12, 13-16 October 2012, in HK.

Pls contact us:

Can we make it ? Yes we can !

1> To live in the faith that the whole world in on your side, so long as you are true to the BEST that is in YOU!

2> To look at the sunny side of everything and make your optimism come true

3> To talk health, happiness,and prosperity to every person you meet

Are you on summer holiday now?
The yearly electronic components exhibition in Germany will begin after several months later. Do you plan to be there?
Kindly pls note we Kingtronics will exhibit there at booth No: B6.437/5 on 13th-16th Nov, 2012. Welcome to visit our booth and take free samples for the testing.
As previous exhibitions, this time we still arrange those popular samples for the visitors and customers. Below are part of the popular items we Kingtronics produce.
Diode: M7 LL4148 S1M SM4007 6A10 US1M UF4001 BZX55C BZV55C 1N4729A...
Bridge rectiifer: DB107S MB6S MB10S KBL410 KBPC3510...
Capacitor: Radial multilayer ceramic capacitor & dipped tantalum capacitor
Trimming potentiometer 3006 3266 3296 3362 3386 3540 3590...
If you have inquiry for these hot products on hand, kindly pls send us and let me quote the best price for you.
Any furhter request/help, pls email to and I will reply you instantly. Thank you very much.

Contact us

Tel: (86) 769 8118 8110
Tel: (852) 8106 7033
Fax: (852) 8106 7099
Skype: kingtronics.sales


Kingtronics International Company was established in 1995 located in Dongguan City of China to handle all sales & marketing for factories located in Chengdu, Sichuan and Zhaoqing, Guangdong, China. In 1990, we established the first factory to produce trimming potentiometer and in 1999 we built up new factory in Zhao Qing, Guangdong. Now with around 850 workers, Kingtronics produce trimming potentiometers, dipped tantalum capacitors, multilayer ceramic capacitors, and diode & bridge rectifier. We sell good quality under our brand Kingtronics, and Kt, King, Kingtronics are our three trademarks. All our products are RoHS compliant, and our bridge rectifier have UL approval. Please visit our Products page, you could please download all our PDF datasheet and find cross reference for our Trimming Potentiometer and capacitors.

Tantalum and Ceramic Capacitors Cross Reference ↓ Download
Diodes & Rectifiers List(PDF: 97KB) ↓ Download
Trimming Potentiometer Cross Reference ↓Download

Meet Kingtronics in Moscow soon
Convention and Exhibition Centre,HongKong
Date: 13-16 October, 2019
Booth No.: 5G-C26

Meet Kingtronics in Munich soon
New Munich Trade Fair Centre, Germany
Date: 10-13 November, 2020
Booth No.: To be advised