Kingtronics Blog - Ceramic Trimmer Capacitors

Complete RF Solution for Wireless Devices – KKT Trimmer, BKT MLCC, QKT Crystal

a@b.com (kingtronics) — Thu, 11 Sep 2025 15:07:58 +0800

Kingtronics International Company — Inspired by Innovation

RF tuning capacitor SMD ceramic trimmer high Q MLCC RF filter quartz crystal oscillator wireless module components

For wireless devices (Bluetooth, RFID, IoT sensors, security systems), designs typically require an RF tuning capacitor, an RF filter capacitor, and a frequency reference. Sourcing these from multiple vendors can add process variation and coordination overhead. Below lists the commonly used component types with industry aliases for clarity.

One-Stop RF Components (with industry terminology)

KKT — SMD ceramic trimmer (also called: tuning capacitor / variable capacitor / trimmer cap): used for fine adjustment in high-frequency sections to correct drift and maintain link stability.

BKT — high Q MLCC for RF filtering (also: RF bypass/decoupling capacitor, matching capacitor; typical dielectric: C0G/NP0): low ESR/low loss to improve RF transmission efficiency and filter cleanliness.

QKT — quartz crystal / oscillator (also: crystal unit / quartz resonator / XO): provides precise frequency reference for timing and synchronization.

These three wireless module components are frequently used together. Consolidated sourcing helps align specifications, reduce qualification effort, and simplify logistics.

Selection considerations

Trimmer (tuning/variable): adjustment range, Q at operating frequency, temperature stability.
High-Q MLCC: dielectric (C0G/NP0), ESR/Q vs. frequency, tolerance, self-resonant behavior.
Quartz: frequency/tolerance, load capacitance, ESR, aging, package (through-hole/SMD).

Reference: KKT product details. For part matching, samples, or lead-time information on high Q MLCC / quartz, please see: contact page.

Product details (KKT) Request info / Samples

The Future of High-Frequency Circuits: Trends & Challenges

a@b.com (kingtronics) — Wed, 12 Feb 2025 14:48:00 +0800

Kingtronics International Company — Inspired by Innovation

As demand for faster, more reliable communication systems grows, high-frequency circuits (HFCs) must evolve. To meet these challenges, BKT-ET capacitors offer superior performance in signal integrity, energy efficiency, and durability. This article explores the value of BKT-ET capacitors in high-frequency applications, showcasing their key benefits and diverse uses.

Key Advantages of BKT-ET Capacitors

1. High Q Factor (>2000)

A high Q factor (>2000) reduces signal loss and enhances frequency stability, ensuring minimal energy dissipation in high-frequency circuits.

2. Low ESR (Equivalent Series Resistance)

Low ESR improves energy efficiency by minimizing heat loss and optimizing power transmission across the circuit.

3. High Temperature Resistance (-55°C ~ 125°C)

BKT-ET capacitors withstand extreme temperature fluctuations, ensuring reliability in harsh environments.

4. High Insulation Resistance (≥100,000MΩ)

A high insulation resistance ensures signal purity by reducing leakage current and interference.

5. Versatile Applications

Ideal for:

Data Transmission: Reliable, high-speed data transfer.
Wireless Communication: Signal integrity in fast-evolving networks.
Test Equipment: Accurate, distortion-free testing in high-frequency environments.

Applications in Industry

BKT-ET capacitors excel across industries such as:

Telecommunications: Ensuring uninterrupted communication in 5G and IoT systems.
Aerospace & Defense: Minimizing signal loss in mission-critical applications like radar and satellite communication.
Automotive Electronics: Reliable performance in advanced navigation and control systems.

Conclusion

As the demand for high-frequency circuits rises, BKT-ET capacitors offer unmatched performance in energy efficiency, signal purity, and durability. Integrating these capacitors into your systems will help you meet the evolving needs of next-generation applications.

For more details, refer to the product datasheet:

🔧 BKT-ET Capacitor Datasheet.

Have questions or need more information?

Contact us directly:

📧 info@kingtronics.com

We’re here to help you optimize your systems and designs.

Kingtronics – Inspired by Innovation, Your Trusted Partner in Electronic Components.

Kingtronics-Demand exceeds supply for the SMD 3mm Chip Ceramic Trimmer Capacitor

a@b.com (kingtronics) — Wed, 27 Oct 2021 11:29:25 +0800

Due to the material shortage and increase demand of SMD 3mm Chip Ceramic Trimmer Capacitor.
Lead time for SMD 3mm Chip Ceramic Trimmer Capacitor may up to 4-36 weeks especially for the small Capacitance.

If you are looking or using this capacitor, please consider to place the order earlier to avoid the shortage in the future.
Kingtronics offer following SMD 3mm Chip Ceramic Trimmer Capacitor to fulfill customer need.

⨀Applications
►Remote Keyless Entry System, Measuring Instrument
►Car Alarm Remote Controller, Car Audio, Traffic Card Reader
►Security System, Wireless Microphone
►Cordless Phone, Wireless Repeater
►Two-Way Radio Communication (FRS, GMRS, LMR)
►TCXO, VCXO, RF Module, RFID, DVD

Contact our sales to have best offer!

Kingtronincs P/N	Capacitance(pF MAX)	Colour
KKT303TR	3PF	Black
KKT306TR	6PF	Blue
KKT310TR	10PF	Ivory
KKT320TR	20PF	Pink
KKT330TR	30PF	Green

Kt Kingtronics Ceramic Trimmer Capacitor Support Your production

a@b.com (kingtronics) — Tue, 25 May 2021 14:43:55 +0800

Trimmer Ceramic capacitor is increasingly scarce in the market because of limited material supplies and rising demand.
Many customers are sharing order for their 2022 production schedule.

If you need them for your production in early 2022, it may be the right time to share your order now.

Applications:
Remote Keyless Entry System, Measuring Instrument
Car Alarm Remote Controller, Car Audio, Traffic Card Reader
Security System, Wireless Microphone
Cordless Phone, Wireless Repeater
Two-Way Radio Communication (FRS, GMRS, LMR)
TCXO, VCXO,RF Module, RFID,DVD

KKT303TR	KKT306TR	KKT310TR	KKT320TR	KKT330TR
3PF	6PF	10PF	20PF	30PF
Black	Blue	Ivory	Pink	Green

KKT-SMD 3mm Chip Ceramic Trimmer Capacitor

http://www.kingtronics.com/Ceramic-Trimmer-Capacitors/KKT-SMD-3mm-Ceramic-Trimmer-Capacitor.html

Kingtronics Radial Type Multilayer Ceramic Capacitor with competitive price and lead time support

a@b.com (kingtronics) — Wed, 24 Mar 2021 14:57:01 +0800

Radial type Multilayer Ceramic Capacitor is widely used in the market.
Such as Automotive, Towel Dispenser, Power supply, Broad casting system, IO Controller, etc.

Kingtronics have strong support on lead time and competitive price for radial type multilayer ceramic capacitors.
MKT—Radial Multilayer Ceramic Capacitor (NPO, X7R, Y5V) Output 100kk/month
Tolerance ±20%; ±10%; ±5%
Production video: https://youtu.be/7J2jbfXuoc4

**Cross reference**

Kingtronics	AVX	Kemet	Vishay	Nippon	TDK	Panasonic
MKT Series	SR, SA Series	C315-C350	K (Mono Cap)	THD Series	FK Series	ECU-S

Welcome to share your inquiry with our lovely sales.

Kt Kingtronics 3MM Ceramic Trimmer Capacitors (KKT series) Best replacement for Murata TZC3 series

a@b.com (kingtronics) — Thu, 17 Sep 2020 11:30:07 +0800

Kingtronics provides a stable and good quality Ceramic Trimmer Capacitors with good lead time.

Although Murata stop offer TZC3 series, but with Kingtronics 3MM Ceramic Trimmer Capacitors (KKT series) you do not need to worry about it.

Welcome for any inquiry.

Features
*Low capacitance drift
*High durability from vibration, dust, moisture and flux
*Color coded case permits easy identification
*Very good Q and high resonant frequency
*Designed for reflow soldering.
*Small size with external dimension of 3.2(W) x 4.5(L) x 1.5(T) mm

Applications
*Remote Keyless Entry System, Measuring Instrument
*Car Alarm Remote Controller, Car Audio, Traffic Card Reader
*Security System, Wireless Microphone
*Cordless Phone, Wireless Repeater
*Two-Way Radio Communication (FRS, GMRS, LMR)
*TCXO, VCXO, RF Module, RFID, DVD

Product Video: https://www.youtube.com/watch?v=Men9BCDlODk

Lead Time: Regular stock ~ 4 weeks

Cross reference for Kingtronics and Murata P/N

Kingtronics P/N	Murata P/N	Capacitance (pF MAX)
KKT303TR (Black)	TZC3Z030 (Brown, Black)	3pF
KKT306TR (Blue)	TZC3Z060 (Blue, Black)	6pF
KKT310TR (Ivory)	TZC3Z100 (White, Black)	10pF
KKT320TR (Pink)	TZC3Z200 (Red, Black)	20pF
KKT330TR (Green)	TZC3Z300 (Green, Black)	30pF

Kingtronics Global Market of MLCC Sharing with You

a@b.com (kingtronics) — Thu, 11 Jun 2020 15:49:44 +0800

Multi-Layer Ceramic Capacitor (MLCC) Market was valued at USD 9.93 billion in revenue and volume at 3.94 trillion Units in 2019 and is expected to reach USD 15.75 billion in revenue and volume at 5.13 trillion by 2025, with registering a CAGR of 9.67% during the forecast period (2020 - 2025).
The impact of MLCC has been such that the new technologies, like IoT, 5G, and EVs, are highly dependent on the availability of MLCCs.
The market consists of very few market players having limited production capacity, due to which there is a huge gap between demand and supply of MLCCs.
The market initially reported a shortage of supply in 2017, and this shortage is expected to continue till 2021.

Why not turn to Kingtronics? we can support you Radial MLCC with excellent L/T around 3~5weeks.
Welcome to discuss your demand with our professional sales.

Excellent Lead time reference:

Technology	Suppliers	Lead Time	Kingtronics Lead Time
Radial MLCC Capacitors(Multilayer Ceramic Capacitors)	AVX	18-20 weeks	Radial MLCC Capacitor about 3-5 weeks
	Vishay	12-16 weeks
	NIC Component	14-16 weeks
	Murata	18-20 weeks
	TDK	52 weeks

Kt Kingtronics Increasing Price for KKT 3MM Chip Ceramic Trimmer Capacitor

a@b.com (kingtronics) — Fri, 22 May 2020 10:48:44 +0800

Our raw material supplier informed us that cost for ceramic trimmer capacitor will be increased soon, maybe within this month.

The demand of trimmer capacitors is increasing in the market, but Murata discontinued this series.
It leads to a short supply. Raw material cost is tend to rise this year.

Welcome to share order to buy some stock now to avoid extra cost in the near future.

MOQ only 1kpcs, regular stock in HK. Popular

No.	KKT-SMD 3mm trimmer capacitor	Capacitance	Replace Murata discontinued TZC3	Replace Murata discontinued TZB4	SPQ/MOQ
1	KKT303TR	3pF	TZC3Z030	TZB4Z030	1kpcs/reel
2	KKT306TR	6pF	TZC3Z060	TZB4Z060	1kpcs/reel
3	KKT310TR	10pF	TZC3Z100	TZB4Z100	1kpcs/reel
4	KKT320TR	20pF	TZC3Z200	TZB4R200	1kpcs/reel
5	KKT330TR	30pF	TZC3Z300	TZB4P300	1kpcs/reel

Datasheet: http://kingtronics.com/pdf/KKT-SMD-3mm-Ceramic-Trimmer-Capacitor.pdf

Cross reference details: https://www.kingtronics.tw/archives/Kt-Kingtronics-3MM-Ceramic-Trimmer-Capacitors-Replace-Murata-TZC3-Series-20190225.html

https://www.kingtronics.tw/archives/Kt-Kingtronics-3MM-Ceramic-Trimmer-Capacitors-Replace-Murata-TZB4-Series-20190227.html

Kt Kingtronics, Your Best choice of Chip Ceramic Trimmer Capacitor

a@b.com (kingtronics) — Wed, 13 May 2020 13:28:05 +0800

Since MuRata has stopped offering Ceramic Trimmer Capacitor TZC3 series, lots of supplies are looking for the replacement with competitive quality and price.
Kingtronics KKT series could be your best support of making replacement with excellent performance and efficient lead time.

We have stock offer in HK, welcome check following cross reference and share your inquiry with us, let us help you to save your cost.

Kingtronics P/N	Murata P/N	Capacitance
KKT303TR	TZC3Z030	3pF
KKT306TR	TZC3Z060	6pF
KKT310TR	TZC3Z100	10pF
KKT320TR	TZC3Z200	20pF
KKT330TR	TZC3Z300	30pF

SMD 3mm Chip Ceramic Trimmer Capacitor features:
Low capacitance drift
High durability from vibration, dust, moisture and flux
Color coded case permits easy identification
Very good Q and high resonant frequency
Designed for reflow soldering.
Small size with external dimension of 3.2(W) x 4.5(L) x 1.5(T) mm

Kt Kingtronics, Prior Choice of SMD Type Ceramic Trimmer Capacitors

a@b.com (kingtronics) — Tue, 12 May 2020 15:25:04 +0800

Since Murata stopped making trimmer capacitors, many customers turned to us to find a replacement.

Kingtronics’ Ceramic Trimmer Capacitors definitely can help you solve this problem. Our KKT series can cross to most of Murata Trimmer Capacitor.

Hot stock available. Welcome to contact our sales to give you best support.

Kingtronics corresponds to Murata products as follows:

Kingtronics P/N	Murata P/N	Capacitance (pF MAX)
KKT303TR (Black)	TZC3Z030 (Brown, Black)	3pF
KKT306TR (Blue)	TZC3Z060 (Blue, Black)	6pF
KKT310TR (Ivory)	TZC3Z100 (White, Black)	10pF
KKT320TR (Pink)	TZC3Z200 (Red, Black)	20pF
KKT330TR (Green)	TZC3Z300 (Green, Black)	30pF