Miniature RF Filter

HA4033-015

In production
  • Gold-plated metal casing
  • Excellent signal filtering
  • Miniature RF filter design
  • Ideal for wireless communications

The LCA® Miniature RF Filter Series is specifically designed for the RF front-end of modern wireless communication devices. Within an extremely compact package size, this series integrates excellent frequency selection capability, enabling it to accurately lock onto target frequency bands while deeply suppressing out-of-band interference signals. It serves as a core guarantee for achieving superior RF performance and stable connectivity in limited spaces.

-
+

Product Parameters

Size

  • Axis of Big Circle
    4.0mm±0.1
  • Axis of Small Circle
    3.3mm±0.1
  • Body Length
    2.8mm±0.1
  • Lead Diameter
    0.8mm±0.05
  • Lead Length
    22.0mm±0.8

Material

  • Dielectric
    SL
  • Case
    Brass
  • Plating
    Gold

Specification

  • Capacitance
    100pF
  • Cap. Tolerance
    -20%+20%
  • Rated Voltage
    100VDC
  • D.W.V.
    300VDC
  • Rated Current
    5A
  • Circuit
    C
  • Operating Temperature
    -55℃+125℃
  • Sealing
    Resin
  • Terminal Type
    Lead

Product Overview

Miniature RF Filters are compact, high-performance EMI/RFI suppression components specifically developed for electronic systems where limited installation space, reliable electromagnetic compatibility, and stable high-frequency performance are essential. Compared with conventional solder-in feedthrough filters, this product family incorporates a precision gold-plated metal housing with an epoxy sealing structure, providing improved electrical conductivity, enhanced corrosion resistance, and long-term operational reliability in demanding electronic environments.

Designed for applications ranging from RF communication equipment and microwave modules to military electronics, medical devices, industrial automation systems, and precision instrumentation, Miniature RF Filters effectively suppress conducted electromagnetic interference while maintaining signal integrity and minimizing insertion loss across a broad frequency range. Their compact construction makes them particularly suitable for densely populated circuit assemblies where both electrical performance and mechanical reliability are critical.

Model HA4033-015 features a 100 pF capacitance, 100 VDC rated voltage, and C-type circuit configuration. It provides an excellent balance between compact dimensions, filtering effectiveness, and long-term operational stability.

 

Key Features

✔ Compact miniature design for space-constrained electronic assemblies

✔ Gold-plated metal housing for excellent electrical conductivity

✔ Epoxy sealing construction for reliable mechanical protection

✔ Outstanding EMI/RFI suppression across a wide frequency range

✔ Stable high-frequency electrical performance

✔ High corrosion resistance for long-term reliability

✔ Solder-in mounting for secure electrical grounding

 

How to Select the Right Miniature RF Filter

Selecting the appropriate miniature RF filter requires evaluating both the electrical performance requirements and the mechanical constraints of the application. Factors such as operating frequency, required EMI suppression level, available installation space, voltage rating, and environmental conditions all influence the optimal filter selection.

 

Typical Applications

RF Communication Equipment

Miniature RF Filters are widely used in RF transmitters, receivers, wireless communication modules, signal conditioning circuits, and communication infrastructure equipment. They effectively suppress conducted electromagnetic interference while preserving signal integrity, helping improve communication stability, receiver sensitivity, and overall RF system performance.

Microwave Systems

These filters are ideal for microwave communication equipment, microwave transceivers, signal generation systems, frequency conversion modules, and microwave testing instruments. Their compact construction and stable electrical characteristics help minimize unwanted noise while maintaining reliable high-frequency signal transmission.

Aerospace & Avionics

Miniature RF Filters are suitable for avionics, navigation equipment, satellite communication modules, airborne electronic systems, and aerospace control units where compact size, electrical stability, and reliable EMI suppression are essential. Their gold-plated housing also offers excellent corrosion resistance for long-term operation in challenging environments.

Medical Equipment

Precision medical devices including diagnostic imaging systems, laboratory instruments, patient monitoring equipment, and advanced medical electronics require clean electrical signals and stable system performance. Miniature RF Filters help reduce conducted noise, improve measurement accuracy, and enhance the reliability of sensitive electronic circuits.

 

Why Engineers and OEM Manufacturers Choose LCA

  • Engineering Expertise
    Designed for reliable EMI suppression with proven long-term performance.
  • Flexible Customization
    Custom capacitance, voltage, thread size, circuit configuration, and mechanical dimensions.
  • Consistent Manufacturing Quality
    Stable production processes ensure reliable electrical performance across every batch.
  • Responsive Technical Support
    Engineering assistance from product selection through custom solution development.
  • Global OEM Experience
    Trusted by customers in industrial, medical, transportation, communication, and electronics industries.
  • Cost-Effective Solutions
    Competitive manufacturing without compromising quality.

 

Selecting the right supplier is just as important as selecting the right component. LCA combines manufacturing expertise, engineering support, and flexible customization capabilities to help customers achieve reliable EMI filtering solutions for demanding electronic applications.

 

Certifications & Compliance

LCA Miniature RF Filters are manufactured in accordance with international quality and environmental standards. Compliance documentation, material declarations, and technical specifications are available upon request.

✔ RoHS

✔ ISO9001

✔ IATF16949

 

Quality Assurance

Every LCA Miniature RF Filter is manufactured under a comprehensive quality management system to ensure consistent electrical performance, reliable mechanical integrity, and long-term product stability.

✔ Incoming Material Inspection

✔ In-process Quality Control

✔ Final Electrical Testing

✔ Dimensional Inspection

✔ Traceability

 

Custom Engineering Services

Every electronic system has unique electrical and mechanical requirements. In addition to our standard miniature RF filter product range, LCA offers comprehensive customization services to support specialized applications across RF, microwave, aerospace, medical, and industrial markets.

Gold Wire Bonding

Selected miniature RF filters are available with gold wire bondable terminals, allowing direct integration into hybrid circuits, microwave assemblies, and advanced electronic packaging.

Customized bonding structures and bonding pad designs are also available according to customer requirements.

 

Precision Manufacturing for Reliable EMI Filtering Solutions

LCA manufactures high-performance EMI/RFI filtering components using precision machining and carefully selected materials. Continuous process control and production optimization ensure consistent quality while supporting both standard products and customized OEM solutions.

 

Frequently Asked Questions (FAQ)

  • What is a Miniature RF Filter?

A miniature RF filter is a compact EMI/RFI suppression component designed to reduce conducted electromagnetic interference while maintaining stable signal transmission in RF, microwave, communication, and other high-frequency electronic systems. Its compact size allows integration into space-constrained assemblies without sacrificing filtering performance.

  • What is the difference between a Miniature RF Filter and a standard Feedthrough Filter?

Both products are designed to suppress electromagnetic interference; however, miniature RF filters are specifically optimized for high-frequency RF and microwave applications. They typically feature a gold-plated metal housing, compact dimensions, and enhanced electrical performance for sensitive communication and signal-processing systems.

  • Why is a gold-plated housing used?

Gold plating offers excellent electrical conductivity, superior corrosion resistance, and long-term contact stability. These characteristics help maintain consistent electrical performance, reduce oxidation-related issues, and improve reliability in demanding RF and microwave applications.

  • Are Miniature RF Filters suitable for microwave frequencies?

Yes. Miniature RF Filters are specifically designed for RF and microwave electronic systems. Their compact structure and optimized electrical characteristics help suppress unwanted EMI while preserving signal integrity across a broad frequency range.

  • Do you offer gold wire bondable versions?

Yes. Selected Miniature RF Filters can be supplied with gold wire bondable terminals for integration into hybrid circuits, microwave modules, aerospace electronics, and other advanced electronic assemblies.

Customized bonding configurations are also available upon request.

  • Can Miniature RF Filters be customized?

Yes. LCA offers extensive customization services, including:

– Capacitance values

– Voltage ratings

– Circuit configurations

– Lead configurations

– Housing dimensions

– Gold wire bonding structures

– Application-specific electrical requirements

  • What industries commonly use Miniature RF Filters?

Miniature RF Filters are widely used in:

– RF communication equipment

– Microwave systems

– Medical devices

– Test and measurement instruments

– Industrial automation systems

– Scientific research equipment

  • What is the operating temperature range?

The operating temperature range varies by model and design requirements. Specific values can be found in the product datasheet or provided by LCA engineering support.

Recommended models

No content

CUSTOMIZATION

LCA is customer demand-centric. With professional technical capabilities, rigorous implementation processes, and considerate full-cycle services, it creates exclusive solutions for customers with diverse needs!