OverviewAll product unitsProduct unitPassive ComponentsProduct groupCapacitorsProduct familyMLCCs - Multilayer Ceramic Chip CapacitorsProduct seriesWCAP-CSST Soft Termination

WCAP-CSST Soft Termination EXTENDED

Soft Termination

WCAP-CSST Soft Termination

Characteristics

  • Product series with high absorption of mechanical stress
  • Mounting style: SMT-Chip
  • Capacitance range: 220 pF - 2.2 µF
  • Temperature Coefficient: ± 15 %
  • Sizes: 0603 / 0805 / 1206 / 1210
  • Termination: Ag-Polymer/Ni/Sn
  • Recommended soldering: Reflow soldering
  • Wave soldering (only valid for the thickness ≤0.85 mm)

Applications

  • Application with high mechanical stress
  • Power supply
  • Lighting

Products

All
0603
0805
1206
1210
1812
Order Code Data­sheet Simu­lation Downloads StatusCTol. CVR
(V (DC))
SizeOperating TemperatureDF
(%)
RISOL
(mm)
W
(mm)
H
(mm)
Fl
(mm)
Ceramic TypePackagingDesign Kit Samples
885382206001SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.220 pF ±10% 50 0603 -55 °C up to +125 °C 2.510 GΩ 1.6 0.8 0.8 0.4 X7R Class II 7" Tape & Reel885380
885382207010SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.270 pF ±10% 500 0805 -55 °C up to +125 °C 2.510 GΩ 2 1.25 1.25 0.5 X7R Class II 7" Tape & Reel885380
885382208008SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.270 pF ±10% 500 1206 -55 °C up to +125 °C 2.510 GΩ 3.2 1.6 1.25 0.6 X7R Class II 7" Tape & Reel885380
885382208013SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.470 pF ±10% 2000 1206 -55 °C up to +125 °C 2.510 GΩ 3.2 1.6 1.25 0.6 X7R Class II 7" Tape & Reel885380
885382208014SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.680 pF ±10% 2000 1206 -55 °C up to +125 °C 2.510 GΩ 3.2 1.6 1.25 0.6 X7R Class II 7" Tape & Reel885380
885382206005SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.1 nF ±10% 200 0603 -55 °C up to +125 °C 2.510 GΩ 1.6 0.8 0.8 0.4 X7R Class II 7" Tape & Reel885380
885382207004SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.1 nF ±10% 50 0805 -55 °C up to +125 °C 2.510 GΩ 2 1.25 1.25 0.5 X7R Class II 7" Tape & Reel885380
885382207005SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.2.2 nF ±10% 50 0805 -55 °C up to +125 °C 2.510 GΩ 2 1.25 1.25 0.5 X7R Class II 7" Tape & Reel885380
885382208012SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.4.7 nF ±10% 1000 1206 -55 °C up to +125 °C 2.510 GΩ 3.2 1.6 1.25 0.6 X7R Class II 7" Tape & Reel885380
885382206002SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.10 nF ±10% 50 0603 -55 °C up to +125 °C 2.510 GΩ 1.6 0.8 0.8 0.4 X7R Class II 7" Tape & Reel885380
885382207006SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.10 nF ±10% 50 0805 -55 °C up to +125 °C 2.510 GΩ 2 1.25 1.25 0.5 X7R Class II 7" Tape & Reel885380
885382207009SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.10 nF ±10% 100 0805 -55 °C up to +125 °C 2.510 GΩ 2 1.25 1.25 0.5 X7R Class II 7" Tape & Reel885380
885382208002SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.10 nF ±10% 50 1206 -55 °C up to +125 °C 2.510 GΩ 3.2 1.6 1.25 0.6 X7R Class II 7" Tape & Reel885380
885382208009SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.10 nF ±10% 500 1206 -55 °C up to +125 °C 2.510 GΩ 3.2 1.6 1.25 0.6 X7R Class II 7" Tape & Reel885380
885382206003SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.22 nF ±10% 50 0603 -55 °C up to +125 °C 2.510 GΩ 1.6 0.8 0.8 0.4 X7R Class II 7" Tape & Reel885380
885382208010SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.22 nF ±10% 500 1206 -55 °C up to +125 °C 2.54.5 GΩ 3.2 1.6 1.6 0.6 X7R Class II 7" Tape & Reel885380
885382208011SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.33 nF ±10% 500 1206 -55 °C up to +125 °C 2.53 GΩ 3.2 1.6 1.6 0.6 X7R Class II 7" Tape & Reel885380
885382209001SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.33 nF ±10% 500 1210 -55 °C up to +125 °C 2.53 GΩ 3.2 2.5 1.6 0.75 X7R Class II 7" Tape & Reel885380
885382206004SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.100 nF ±10% 50 0603 -55 °C up to +125 °C 35 GΩ 1.6 0.8 0.8 0.4 X7R Class II 7" Tape & Reel885380
885382207007SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.100 nF ±10% 50 0805 -55 °C up to +125 °C 2.55 GΩ 2 1.25 1.25 0.5 X7R Class II 7" Tape & Reel885380
885382208003SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.100 nF ±10% 50 1206 -55 °C up to +125 °C 2.55 GΩ 3.2 1.6 1.25 0.6 X7R Class II 7" Tape & Reel885380
885382208006SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.100 nF ±10% 100 1206 -55 °C up to +125 °C 2.51 GΩ 3.2 1.6 1.25 0.6 X7R Class II 7" Tape & Reel885380
885382208007SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.100 nF ±10% 250 1206 -55 °C up to +125 °C 2.51 GΩ 3.2 1.6 1.6 0.6 X7R Class II 7" Tape & Reel885380
885382211002SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.100 nF ±10% 1000 1812 -55 °C up to +125 °C 2.51 GΩ 4.5 3.2 2.5 0.5 X7R Class II 7" Tape & Reel
885382207008SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.220 nF ±10% 50 0805 -55 °C up to +125 °C 32.3 GΩ 2 1.25 1.25 0.5 X7R Class II 7" Tape & Reel885380
885382207002SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.330 nF ±10% 25 0805 -55 °C up to +125 °C 3.51.5 GΩ 2 1.25 1.25 0.5 X7R Class II 7" Tape & Reel885380
885382208004SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.470 nF ±10% 50 1206 -55 °C up to +125 °C 31 GΩ 3.2 1.6 1.6 0.6 X7R Class II 7" Tape & Reel885380
885382211003SPEC
4 files New i| Product is new in our portfolio and production is active. Expected lifetime: >10 years.470 nF ±10% 500 1812 -55 °C up to +125 °C 2.50.2 GΩ 4.5 3.2 2.5 0.5 X7R Class II 7" Tape & Reel
885382207001SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.1 µF ±10% 16 0805 -55 °C up to +125 °C 50.5 GΩ 2 1.25 1.25 0.5 X7R Class II 7" Tape & Reel885380
885382207003SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.1 µF ±10% 25 0805 -55 °C up to +125 °C 50.5 GΩ 2 1.25 1.25 0.5 X7R Class II 7" Tape & Reel885380
885382208005SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.1 µF ±10% 50 1206 -55 °C up to +125 °C 30.5 GΩ 3.2 1.6 1.6 0.6 X7R Class II 7" Tape & Reel885380
885382208001SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.2.2 µF ±10% 25 1206 -55 °C up to +125 °C 3.50.2 GΩ 3.2 1.6 1.6 0.6 X7R Class II 7" Tape & Reel885380
885382209002SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.2.2 µF ±10% 100 1210 -55 °C up to +125 °C 50.05 GΩ 3.2 2.5 2.5 0.75 X7R Class II 7" Tape & Reel885380
885382208016SPEC
4 files New i| Product is new in our portfolio and production is active. Expected lifetime: >10 years.2.2 µF ±10% 100 1206 -55 °C up to +125 °C 50.05 GΩ 3.2 1.6 1.6 0.6 X7R Class II 7" Tape & Reel
Order Code Data­sheet Simu­lation
885382206001SPEC
885382207010SPEC
885382208008SPEC
885382208013SPEC
885382208014SPEC
885382206005SPEC
885382207004SPEC
885382207005SPEC
885382208012SPEC
885382206002SPEC
885382207006SPEC
885382207009SPEC
885382208002SPEC
885382208009SPEC
885382206003SPEC
885382208010SPEC
885382208011SPEC
885382209001SPEC
885382206004SPEC
885382207007SPEC
885382208003SPEC
885382208006SPEC
885382208007SPEC
885382211002SPEC
885382207008SPEC
885382207002SPEC
885382208004SPEC
885382211003SPEC
885382207001SPEC
885382207003SPEC
885382208005SPEC
885382208001SPEC
885382209002SPEC
885382208016SPEC
Samples
Order Code Data­sheet Simu­lation Downloads StatusCTol. CVR
(V (DC))
SizeOperating TemperatureDF
(%)
RISOL
(mm)
W
(mm)
H
(mm)
Fl
(mm)
Ceramic TypePackagingDesign Kit Samples

Würth Elektronik capacitors

Big portfolio available ex stock

Würth Elektronik capacitors

Big portfolio available ex stock

Würth Elektronik has extended its capacitor portfolio. You will find an overview of our current technologies available ex stock in the graph. More details (e.g. series, characteristics, features, applications, etc.) about each product family can be found in the flyer or for example below. In our flyer you will also find information about our services.

Relationship between voltage and capacitance in the diagram

Available series

  • Series WCAP-CSGP

    • Type: General Purpose
    • Ceramic Type: NP0 Class 1, X7R & X5R Class 2
    • Capacitance: 0.5 pF – 100 µF
    • Voltage: 6.3 – 100 V (DC)
    • Size: 0201 - 2220
  • Series WCAP-CSMH

    • Type: Mid and High Voltage
    • Ceramic Type: NP0 (Class 1), X7R (Class 2)
    • Capacitance: 10 pF – 2.2 µF
    • Voltage: 200 – 3000 V (DC)
    • Size: 0603 - 2220
  • Series WCAP-CSRF

    • Type: High Frequency
    • Ceramic Type: NP0 Class 1
    • Capacitance: 0.2 pF – 33 pF
    • Voltage: 25 & 50 V (DC)
    • Size: 0201 & 0402
  • Series WCAP-CSST

    • Type: Soft Termination
    • Ceramic Type: X7R Class 2
    • Capacitance: 220 pF – 2.2 µF
    • Voltage: 16 – 2000 V (DC)
    • Size: 0603 - 1210
  • Series WCAP-CSSA

    • Type: Safety Capacitors (X1/Y2, X2)
    • Ceramic Type: NP0 Class 1, X7R Class 2
    • Capacitance: 33 pF – 4.7 nF
    • Voltage: 250 V (AC)
    • Size: 1808 - 2220

Multilayer ceramic chip capacitors

Aluminum hybrid polymer capacitors

Multilayer ceramic chip capacitors

Aluminum hybrid polymer capacitors

Würth Elektronik offers a large portfolio of MLCC sizes up to 2220. While downsizing might be the right choice for some applications, others require larger sizes of MLCCs for keeping the required electrical performance, volumetric capacitance and DC bias behavior. Long term availability ex stock. High quality samples free of charge make Würth Elektronik the perfect long-term partner for your MLCC demands.

  • Large portfolio from 0201 up to 2220
  • Long term availability
  • Detailed application-relevant measurement data available
  • Sophisticated simulations available in online platform REDEXPERT
alttext yt_img_for_code_0cfxaztb5Pc.jpg 1747056235

What needs to be considered while selecting MLCCs?

Class 1 (e.g.: NP0 = C0G)

In class 1, the material used is titanium oxide. There are smaller capacitance values in this class, which have low dependencies and have smaller tolerances. These types are used for all applications that require a fixed and stable capacitance value (e.g. real-time clock RTC).

Class 2 (e.g.: X7R, X5R, Y5V)

The material barium titanate is used for class 2. Features of this class are larger capacitance values, which have strong environment and application dependencies. This is due to the ferroelectric property of barum titanate and is reflected in capacitance dependencies:

  • Capacity vs. Temperature
  • DC bias (dependence of the capacity on the applied DC voltage)
  • Aging behaviour

In addition, this material structure has piezoelectricity, which can also lead to microphonics.

How much capacitance do you really get? Class 2 examples

The capacitance value changes in an active application. Check the manufacturer's information to evaluate the occurring effects and the resulting capacitance. The following examples give an insight into the calculation of the best and worst case of the capacitance change of class 2 MLCCs.

A graph showing the capacitance change of a 22 µF capacitor under different conditions: C-tolerance, temperature dependence, DC-bias, and aging.
A graph showing the capacitance change of a 22 µF capacitor under different conditions: C-tolerance, temperature dependence, DC-bias, and aging.

Construction

Internal structure

Construction

Internal structure

The ceramic is sintered from granules of paraelectric or ferroelectric base materials. It forms the dielectric of the capacitor. The electrodes of the capacitor are printed on it using a screen printing process. This results in a layer of ceramic and electrode. For ceramic multilayer capacitors, several of these layers are arranged offset one on top of the other. The termination surfaces are electrically conductively connected to the electrodes.

A cross-section showing the components of a multilayer ceramic chip capacitor (MLCC): termination finish, barrier layer, external electrode, inner electrodes, and dielectric material.

Example applications

Measurements

Redexpert

Measurements

Redexpert

With the help of REDEXPERT you will find the right capacitor based on your technical requirements. The tool supports, for example, with measured values for capacitance, impedance, ESR and dissipation factor (DF). The ability to compare individual components with each other in terms of measured values enables convenient component selection.

Computer screen with overlapping windows, graphs, and red 3D text: 'ONLINE PLATFORM BASED ON MEASURED VALUES.'

Application notes and documents

  • Support Note SN011: Why does the capacity of MLCCs change?

    Why does the capacity of MLCCs change? Ambient temperature, structural changes or component tolerances play an important role. This document provides an overview of the most important factors, how these can be reduced by using a different material or external influences

  • Application Note ANP062: LC-Filterdesign mit MLCCs: Warum die angelegte Spannung am Filter zu beachten ist

    How does the DC voltage influence the behavior of an capacitor, and hence the filter design? Simulated and measured results are compared with different components and materials.

  • Support Note SN008: Expected Lifetime of Aluminum Electrolytic and Aluminum Polymer Capacitor

    The life cycle of a capacitor depends on many factors of the application. An important factor is the temperature or rather thermal load, as it is responsible for the fact that internal structures age over time and the electrical properties deteriorate. This results in increased leakage current, increasing the ESR, which in turn leads to a further increase of the temperature.

  • Application Note ANP114 Voltage and Frequency Dependence of Ferroelectric Class 2 Multilayer Ceramic Capacitors

    After introducing ferroelectricity, a mathematical model for the capacitance-voltage behavior of multilayer ceramic capacitors (MLCCs) is derived from a dipole polarization model. The parameters of the model are reduced to two fitting parameters.

  • Einstieg in MLCCs: Klasse 1 oder Klasse 2

    Multilayer Cermaic Capacitors are separated into different classes. What are the differences between Class 1 and Class 2 MLCC’s and what are the key parameters? We provide a short overview.

  • MLCC - Soft Termination

    In the MLCCs - Soft Termination (WCAP-CSST) series, a layer of conductive polymer is used between the electrodes and the terminal surfaces. The polymer can compensate for certain mechanical deformations and therefore reduce the probability of fractures. This is illustrated by a bending test described in the data sheet.

  • Application Note ANP123 Long- and Short-Term Voltage Dependence of Ferroelectric Class 2 MLCCs

    For the design-in process, it has become a common procedure to employ simulation software such as SPICE. The developer may load files for multilayer ceramic capacitors (MLCCs) into the software to simulate the influence of the voltage and frequency behavior of the MLCCs on the circuit. To make this simulation computationally efficient, it is necessary to implement elegant mathematical models for the MLCCs.

FAQ multilayer ceramic chip capacitors

Datasheet WCAP-CSRF

For most parts you can find the detailed information about packaging in the datasheet: If you cannot find them, please get in contact with Würth Elektronik. E.g. you can use the chat on the website.

Example: Page 3 of WCAP-CSRF component datasheet.


You can find the certifications in the datasheet, page 2.

In the case of X/Y safety capacitors, certification information can be found in PDF format in the online platform REDEXPERT.

These links are shown at the right end of the table, under the column “Certificates”.


We provide the document with all the values on our homepage.

You can also download the document by searching for “FIT” or “MTBF” in our download center.

This document reveals the FIT (Failures in time) and MTBF (Mean time between failures) values that can be calculated for each series based on the electrical stress (voltage applied in the case of capacitors) and the temperature applied according to calculation models of Telcordia SR-332 Issue 3.

Please refer to the table of contents at the beginning of the document to find the values for capacitors.


Assortments

Articles from this product series can be found in the following assortments:

Videos

#askLorandt explains: What miniaturization means for MLCCs and what alternatives are possible

Videos

#askLorandt explains: Influence of DC-Bias on Ceramic Filter Capacitors

Videos

#askLorandt explains: LTspice DC-Bias Simulation for Capacitors

Videos

#askLorandt explains: DC/DC Converter Voltage Ripple vs. ESR of Different Capacitor Technologies

Videos

How to choose the right capacitor type for a circuit?! || Film vs. Ceramic vs. Electrolytic

Videos

Webinar: Introduction to the capacitor technologies and how to use them