Trimming potentiometer, also called trimmer, trimpot or preset,  is Kingtronics oldest products since 1990.

It gains ISO & SGS certificates. Our full series contains 3006 3266 3296 3309 3323 3329 3362 3386 3540 3590 C3305...

How to order:
RKT-3590S-2-103-R   (10k Ohm)

Multiturn/ Round/ Wirewound
2 Shaft Styles

For more details please check:

HER201/UF2001 THRU HER208/UF2007
Voltage Range 50 to 1000 Volts Current 2.0Amperes


◆ Low forward voltage drop
◆ High current capability
◆ High reliabillity
◆ High surge current capability

Mechanical Data

◆ Cases:Molded plastic
◆ Epoxy:UL 94V-0 Rate flame retardant
◆ Lead:Axial leads,solderable per MIL-STD-202, Method 208guaranteed
◆ Polarity:Color band denotes cathode end
◆ High temperature soldering guaranteed: 250℃/10 seconds/.375”,(9.5mm), lead lengths at 5 lbs.,(2.3kg)tension
◆ Weight:0.40 gram 

 Key words: LL4148, PML4148, FDLL4148, switching diode, crystal, HC49S, HC49U. 

Here you can find our part list for quartz crystal:
Kingtronics' production capability for this series: 
HC-49U   2million pcs/month 
HC-49S   45million pcs/month
HC49SMD  40million pcs/month
Delivery time: 2-3 weeks


Kingtronics is an ISO factory with UL Approval, whose bridge rectifier can compete with NXP, DIODES, Diotec, TWS...
Do you buy DF08S? We can offer you best price and quick delivery time. Below description and application FYI. Look forward to your inquiry later. Thanks!
DF08S DBS tube RoHS
MOQ:20kpcs per shipment

Server & Mainframe Routers & LAN Switches Mobile Comm Infrastructure Video Game Console
Workststion SAN External AC-DC Merchant Power Supply-Wireless Communications E-book-Reader
Desktop PC Long-haul & Metro Other Wireless Communications Consumer Appliances
Notebook PC Broadband Access PMP/MP3 Players AC-DC Merchant Power Supply-Video game console,flat Panel TV,DVR,STB
PC Server Broadband Modem Home Audio System Components Other Audio & Video
Media Tablets Enterprise Voice Network CRT/RPTV Other Consumer Electronics
Storage & Periperals Central Office LCD TV Other Electronics/Devices
Printer Broadcast & Studio PDP TV Automation
Graphic Catd Other Wired Communications Camcorder Test and Measurement
LCD Monitor Mobile Handsets DVD Building & Home Control
CRT/RPTV Wireless LAN Card & Broadband Access Set Top Boxes Other Industrial
Other Data Processing Wireless LAN Access Point/Router DSC Military & Civil Aerospace

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