Johanson Dielectrics High Voltage and Power Resistors
  • Products

    Surface Mount

    • AC Power Capacitors
    • EMI Filter & Decoupling Capacitors
    • High Temperature - 200°C Capacitors
    • High Voltage Capacitors 250-6,000 VDC
    • Large Size MLC Capacitors 500–5,000 VDC
    • Multi-layer Ceramic Capacitors 10-200 VDC
    • Polyterm® Ceramic Capacitors
    • Safety Capacitors 250 VAC, X2, X1/X2, Y2
    • Tanceram® Capacitors
    • Tin Lead MLCC Capacitors

    Leaded Capacitors

    • 200°C Rated Radial Leaded Capacitors
    • BME Mini-Switchmode® Capacitors
    • Commercial Switch-Mode Radial Leaded Capacitors
    • High Temperature Stacked Capacitors
    • High Voltage Radial Leaded Capacitors
    • Mini-Switchmode® Capacitors
    • SMPS Switch-Mode Stacked Capacitors
    • Variable Pitch Capacitors

    Planar Array Capacitors

    • Planar Array Capacitors

    Ceramic Capacitor Substrates

    • Ceramic Capacitor Substrates

    Prototyping Kits

    • EMI Ceramic Capacitor Kits
    • High Voltage Ceramic Capacitor Kits
    • Legacy Products (Obsolete)
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    Company Catalog

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    Download a specific PDF

    • Understanding Chip Capacitors
    • Large Size MLC's
    • PolyTerm® Ceramic Capacitors
    • Tin Lead MLCC Capacitors
  • Tech Notes

    General

    • Understanding Chip Capacitors
    • Capacitor Cracks: Still With Us After All These Years
    • Capacitor Packaging & Marking
    • Ceramic Capacitor Aging Made Simple
    • Electrical Characteristics
    • Understanding Ceramic Capacitor Terminations

    Processing

    • Forward/Backward Process Compatability
    • Pb Free Application Note
    • Peak Reflow Times, Temperature and the impact of MSL
    • Tin Whisker Testing

    Global Capacitor Part Number

    • Global Capacitor Part Number Definition

    Application Notes

    • AC Power Computations for DC Related Capacitors Requirements
    • Arc Season & Board Design observations
    • Corona Effects & thier impact on PWB Layout
    • DC-DC Converter Trends and Ouput Filter Capacitors
    • Impact of Pad Design and Spacing on AC Breakdown Performance
    • Pb Free Application Notes
    • PCB Pad Layout Recommendations
    • Polyterm® Flexible SMD Termination
    • Safety Certified Application Notes
    • Sn/Pb SMT Application Notes
    • Soldering and Handling Precautions for Large Form Capacitors and Planar Arrays
    • Tanceram® Tantalum Replacement MLCs and ESR Curves

    EMI Application Notes

    • Amplifier Decoupling: EMI vs MLCC
    • EMI DC Motor Filtering Basics
    • EMI Filter Evaluation and PCB Design Guide
    • EMI FPGA SerDes Bypass
    • GSM RFI Supression with EMI Filters
    • Improve Instrument Amplifier Performance with EMI Optimized Input Filter

    Product Training

    • Basics of Ceramic Chip Capacitors

    Storage Information

    • Recomended Storage Conditions
  • Company

    Company

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    • Our History

    CERTIFICATIONS

    • AS9100 & ISO 9001
    • ISO 14001 Certification

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Johanson Dielectrics High Voltage and Power Resistors
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Johanson Dielectrics News

New! Johanson’s Technical Booklet – Understanding Chip Capacitors
New! Johanson’s Technical Booklet – “Understanding Chip Capacitors”

Check out Johanson’s new technical booklet “Understanding Chip Capacitors”. This booklet was designed to provide a basic understanding....

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02 August, 2022
Lowest Manufacturing Lead Times on Large Size MLCC
Shortest Manufacturing Leadtimes on Large Size MLCC

Johanson has the lowest manufacturing lead times on large size MLCC! We are currently quoting 10-14 weeks on chips, depending on product ...

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01 March, 2022
Johanson's EMI Filters Featured in Microwaves and RF
Johanson's EMI Filters Featured in Microwaves & RF

Check out the article in “Microwaves & RF” regarding how Johanson’s advanced EMI Filters can help cut the costs...

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15 June, 2020
Johanson's EMI Filter featured in Today’s Motor Vehicles
Johanson's EMI Filter featured in Today’s Motor Vehicles

Check out  the article on “Today’s Motor Vehicles” (TMV) on EMI and Johanson’s EMI Fitlers.  TMV covers the latest news, equipment and information ...

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14 February, 2019
Johanson Product Featured in Microwave Product Digest
Johanson Product Featured in Microwave Product Digest

Johanson's EMI Filters are featured in Microwave Product Digest (MPD). MPD is comprehensive source of new product information for RF and microwave design engineers...

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30 August, 2019
Johanson Product Featured in US Tech Online
Johanson Product Featured in US Tech Online

Johanson's EMI Filters are featured in US Tech Online, a global publication for the electronics manufacturing industry for 34 years. Check it out here and share...

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28 June, 2019
We're Exhibiting! CMSE 2019
We're Exhibiting! EMC 2019

Johanson will be exhibiting at EMC + SIPI (Electromagnetic Compatibility, Signal and Power Integrity) in New Orleans from July 23 - 25. We invite you and your customers...

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20 June, 2019
We're Exhibiting! CMSE 2019
We're Exhibiting! PCIM 2019

Johanson will be exhibiting at PCIM Europe (Power Conversion Intelligent Motion) in Nuremburg, Germany from May 7th - 9th. It's the leading exhibition and conference for ...

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May 01, 2019
Johanson replacement of Common Mode Choke
Replacement of Common Mode Choke

When a designer wants to pass a low frequency differential signal, and to reject a high frequency common mode and differential noise, Johanson's EMI Filter is an...

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April 18, 2019
Johanson at Components for Military & Space Electronics Conference in Los Angeles, CA from April 17-18
We're Exhibiting! CMSE 2019

Johanson will be exhibiting at CMSE - Components for Military & Space Electronics Conference in Los Angeles, CA from April 17-18. CMSE is on focused the design, reliability...

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March 23, 2019
Johanson Technology at EMC+SIPI
We're Exhibiting! EMC+SIPI

Johanson is exhibiting at the Electromagnetic Compatibility Signal and Power Integrity from July 30th thru Aug 3rd at Long Beach Convention Center in California. Bring your customers by our booth at #240...

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July 23, 2018
Johanson Opens New Facility
Johanson Opens New Facility

Dear Valued Customer, Johanson companies’ mission is to provide its customers with exceptional products and services. Over the past two years, the California State and Federal governments have raised...

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March 20, 2018
Low Noise  Power Bypass Capacitors
Available! Low Noise Power Bypass Capacitors

Johanson Low Noise Power Bypass Capacitors feature proven, patented X2Y® low ESL (Equivalent Series Inductance) architecture and is one of the most effective high frequency power bypass capacitors available on the...

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June, 2017
Precision and Power Resistors at Mouser
Now Available! Precision and Power Resistors at Mouser

Johanson's new line of Precision Resistors is now in stock at mouser, and is available for immediate delivery. Some of the key features include very low TCR, and ultra-high precision to 0.01%. Target markets include industrial...

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April, 2017
Johanson Receives Recognition from Cal/OSHA
Johanson Receives Recognition from Cal/OSHA

Johanson has been recognized by the Cal/OSHA Consultation Service for its effort in implementing and maintaining an effective injury and Illness Prevention Program (IIPP) during the Cal/OSHA visit in June 29, 2016. The "Golden Gate...

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April, 2016
Power Thin Film Resistor RHF Series
New Release! Resistor Power Thin Film - RHF Series

Johanson is excited to announce our new Power Thin Film Resistor RHF Series. This new addition to JDIs Resistor Product family features a wide range of resistance values from 0.01 Ohm to 51K Ohms, a TCR of up to 50 ppm/C...

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September 30, 2016
X2Y® A4WP Solution Points
X2Y® A4WP Solution Points

Johanson's X2Y® components are actively solving severe EMC problems inherent to both A4WP and Qi wireless charging systems. While reducing EMC, X2Y filtering improves the charging efficiency by removing series...

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September 30, 2016
semi-shielded power inductors lpc series
New Release: Semi-Shielded Power Inductors - LPC Series

Johanson is excited to announce our new Semi-Shielded Power Inductors LPC series product line. This low profile, high current power inductor increases JDI's product breadth for designers of power electronics...

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January, 2016
Precision and Power Resistors
New Product Release: Precision and Power Resistors

Johanson is excited to introduce our new product line - Precision and Power Resistors! This new, high power and ultra-high precision (up to 0.01%) resistor line increases JDI's product breadth for designers of...

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September 2015
EMI Supression Filter Graph
EMI Suppression Filter Available

Johanson EMI Suppression Filter Chips feature X2Y's proven, pantented low noise architecture and are one of the most effective EMC filters available on the market today. Features include ultra-low ESL for an ultra-wide...

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September 2015
Extended Range UL/TV Certified Safety Capacitors
JDI Announces an Expanded Range of UL/TUV Certified Safety Caps

ULITUV safety cap offerings from Johanson now have been expanded. Additions include a new case size 1812/S43 and a NPO version of our 2220/S47 package. Similar to the balance of our Safety Capacitor line, these are ideal for...

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May, 2015
SPICE Models Released for X2V EMI Filters and Power Bypass Products
SPICE Models Released for X2Y EMI Filters and Power Bypass Products

Johanson Dielectrics is pleased to announce the release of SPICE models for its X2Y series of components. This release contains specific SPICE models for both components when used in EMI Filtering or Power Bypass...

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April, 2015
MIL-PRF-49470 Caps Now Available from Johanson
MIL-PRF-49470 Caps Now Available from Johanson

Johanson is now approved to produce MIL-PRF-49470 series stacked capacitors. We are approved for Case Sizes 3, 4, and 5 in 500V rating. MIL-PRF-49470 approval is often required by the larger MIL OEMs to participate in their...

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February, 2015
CapStrate designs for Voltage Multiplier Applications
CapStrate® designs for Voltage Multiplier Applications

JDI CapStrate® technology is being used to miniaturize VM circuits and to improve robustness for harsh environments by incorporating all the capacitors into the substrate. Applications range from Military...

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January, 2014
New Planar and Discoidal Market Opportunities
New Planar and Discoidal Market Opportunities

Historically, planar arrays and discoidal caps were used by few accounts and exclusively in flltered connectors and discrete EMI filter apps. Recently, we discovered other uses and are eager to expand our sales into...

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January, 2014
MLC Caps for C.O.T.S. Applications
MLC Caps for C.O.T.S. Applications

Commercial Off The Shelf applications in military and commercial aviation applications are growing rapidly to address cost and lead-time issues. The name is a misnomer, as the parts are not generic commercial nor are they...

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June, 2014
NPO CapStrates for Pulse Discharge and Detonator Applications
NPO CapStrates for Pulse Discharge and Detonator Applications

Johanson Dielectrics announces expansion of CapStrate technology to serve standard and high temperature detonators and pulse capacitors utilizing NPO dielectrics. This platform will allow use in high voltage high...

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August, 2014
SMPS MLC Capacitors for Film Cap Replacements
SMPS MLC Caps for Film Cap Replacements

Commercial Off The Shelf applications in military and commercial aviation often employ film caps for AC power applications. NPO dielectric MLCCs are a very viable alternative. They offer more capacitance or higher DWV ratings...

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November, 2014
High Temperature Silicone Coating for SMPS and Radial Leaded products
New High Temperature Silicone Coating for SMPS and Radial Leaded products

Johanson Dielectrics announces a new option for coating stacked SMPS caps and radial leaded parts...

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November, 2014
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