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Standard range - 10Vdc to 6kVdc

X8R High Temperature capacitors

TCC/VCC capacitors

High Q capacitors

Copper Barrier capacitors

Open Mode and Tandem capacitors

IECQ-CECC range

AEC-Q200 range

S02A Space grade range

Safety Certified capacitors

250Vac Non Safety rated AC capacitors

115Vac 400Hz & DWV ranges

LCD Inverter chip range

E01 & E07 feedthrough chip capacitors

X2Y Integrated Passive Components

Radial Leaded capacitors

Introduction to Syfer Technology

Contents

First in the market with flexible polymer

terminations - the revolutionary FlexiCap™

capacitors - our capacitor range also includes X8R

high temperature types, High Q capacitors and

other application specific types. Our renowned high

voltage MLCC expertise has led to the development

of an impressive range with working voltage

capability up to 10kV. This includes surface mount

Class ‘X’ and ‘Y’ approved Safety Certified capacitors,

0603 chips with working voltages up to 500V, and

0805 types up to 1kV.

As part of the Dover Ceramic & Microwave Products

group (CMP), we are able to offer unrivalled product

quality with short lead-times, backed up by excellent

sales and technical support. With a commitment

to product innovation, new ranges are continually

being developed.

Our experienced applications engineers are also

available to provide custom solutions for specific

applications. This catalogue details the standard

ranges but we can provide items such as tight

tolerance, low profile and non standard sizes on

request. Flexibility is key, not only in design but in

all aspects of customer service and support.

Our quality management systems meet

international requirements, with approval to

IS0 9001, environmental approval to IS0 14001

and Occupational Health and Safety approval to

OHSAS 18001. Product approvals include, IECQ-

CECC, UL, TÜV and qualification to AEC-Q200.

SPC is used extensively, supported by Continuous

Improvement Programmes, 6 Sigma projects and

Lean Manufacturing initiatives.

Products

Syfer’s excellence in ceramic materials technology,

has enabled us to offer an unrivalled range of

multilayer ceramic products including:

Multilayer ceramic chip capacitors

High voltage MLCCs

FlexiCap™ capacitors with flexible terminations

Class ‘X’ and ‘Y’ SMD Safety Certified capacitors

Radial leaded capacitors

AEC-Q200 qualified capacitors

IECQ CECC approved capacitors and radials

Capacitors for space applications

High Q capacitors

Non Magnetic capacitors

3 terminal EMI chips

X2Y Integrated Passive Components

Capacitors for medical applications

Syfer -

Innovative, World-Class

Ceramic Capacitors

General introduction

Definitions of Ultra-Stable and Stable

Dielectric characteristics

Capacitance, Impedance and E.S.R. vs Frequency

Ageing, capacitance measurements and tight tolerance capacitors

Production processes and reliability

FlexiCap™ overview

Testing and termination types

Documentation and compliance

IECQ-CECC and AEC-Q200 periodic tests

Handling notes

Soldering information

Chip dimensions

14-15

Product Selector

Ceramic Chip capacitors

Standard MLCC ranges - 10Vdc to 6kVdc - C0G/NP0 & X7R

X8R High Temperature capacitors

TCC/VCC range

High Q capacitors - MS range

Copper Barrier capacitors

Open Mode & Tandem capacitors

IECQ-CECC ranges

AEC-Q200 ranges

S02A Space grade ranges

Safety Certified capacitors

250Vac Non Safety Rated AC capacitors

115Vac 400Hz & DWV ranges

LCD Inverter chip range

Surface Mount EMI filters

E01 & E07 feedthrough capacitors

X2Y Integrated Passive Components

Packaging information - Ceramic chip capacitors

Radial Leaded capacitors

Packaging information - Radial leaded capacitors

16-18

20-21

22-23

24-25

30-32

36-37

38-39

40-41

42-47

48-49

Benefits

High quality and reliability

World-leading high voltage expertise

Suitable for the most demanding applications

including: automotive, aerospace, military,

space and medical

Approvals to international specifications

Continual product improvement and innovation

Tight tolerances available

Large case sizes, up to 8060

Custom product capability

Strong technical support

Short lead-times

Environmentally responsible

Suffix code controlled items such as Low profile, defined

thickness and custom lead forms available by special request.

Other Syfer products

Surface mount Pi filters

Panel mount threaded filters

Panel mount solder-in filters

Custom filter assembly capability

Varistor filters

Discoidal capacitors

Planar capacitor and planar varistor arrays

EMI Power Filters

Hermetically sealed EMI filters

MLCC standard range

Notes: 1) Capacitance in F. 2) *These parts may require conformal coating post soldering. 3) T = Maximum thickness.

10V - 6kVdc

Contents

10V

C0G/

NP0

X7R

X5R

C0G/

NP0

16V

X7R

X5R

C0G/

NP0

25V

X7R

X5R

50/63V

C0G/

NP0

X7R

X5R

56n

68n

270n

330n

560n

680n

1.2µ

1.5µ

820n

1.0µ

2.7µ

3.3µ

—

2.2µ

6.8µ

—

3.9µ

6.8µ

—

3.9µ

10µ

—

100v

C0G/

NP0

X7R

200/

250V

C0G/

NP0

X7R

500V

C0G/

NP0

X7R

630V

C0G/

NP0

—

1.0p

560p

1.0p

1.5n

3.9p

3.9n

4.7p

3.9n

10p

10n

12n

10p

22n

27n

10p

18n

22n

33n

10p

22n

27n

39n

10p

68n

82n

100n

390p

120n

150n

180n

680p

220n

270n

390n

X7R

1kV

C0G/

NP0

—

1.0p

180p

1.0p

1.0n

3.9p

2.2n

4.7p

2.2n

10p

6.8n

8.2n

10p

12n

15n

10p

15n

18n

22n

10p

18n

22n

27n

10p

47n

56n

82n

390p

82n

100n

150n

680p

150n

180n

270n

X7R

1.2kV

C0G/

NP0

—

1.0p

120p

1.0p

680p

3.9p

1.5n

4.7p

1.5n

10p

4.7n

5.6n

6.8n

10p

6.8n

8.2n

10n

10p

10n

12n

15n

10p

12n

15n

22n

10p

33n

39n

56n

390p

68n

82n

100n

680p

100n

120n

180n

X7R

1.5kV

C0G/

NP0

—

1.0p

82p

1.0p

330p

3.9p

820p

4.7p

1.0n

10p

2.7n

3.3n

10p

4.7n

5.6n

6.8n

10p

5.6n

6.8n

10n

10p

6.8n

8.2n

12n

10p

22n

27n

39n

390p

39n

47n

68n

680p

68n

82n

120n

X7R

2kV

C0G/

NP0

—

1.0p

39p

1.0p

220p

3.9p

390p

4.7p

470p

10p

1.5n

1.8n

10p

3.3n

3.9n

10p

3.3n

3.9n

5.6n

10p

4.7n

5.6n

6.8n

10p

10n

12n

18n

390p

22n

27n

39n

680p

39n

47n

68n

X7R

2.5kV

C0G/

NP0

—

X7R

3kV

C0G/

NP0

—

X7R

4kV

C0G/

NP0

—

X7R

5kV

C0G/

NP0

—

X7R

6kV

C0G/

NP0

—

X7R

Syfer -

Innovative, World-Class

Ceramic Capacitors

0603

0805

1206

1210

1808

(T=2.5mm)

0603

0805

1206

1210

1808

1812

T=2.5mm

0.47p

100p

3.9n

100n

1.0p

15n

1.0p

47n

3.9p

100n

4.7p

100n

10p

220n

—

10p

470n

—

10p

470n

—

10p

560n

—

100p

330n

100p

1.0µ

330p

1.5µ

100p

1.5µ

150p

3.3µ

—

220p

4.7µ

—

220p

5.6µ

—

330p

6.8µ

—

120n

0.47p

100p

150n

2.7n

100n

390n

680n

1.2µ

1.5µ

1.8µ

3.3µ

1.8µ

2.7µ

3.9µ

10µ

—

5.6µ

15µ

—

6.8µ

18µ

—

8.2µ

22µ

—

1.0p

12n

1.0p

33n

3.9p

68n

4.7p

68n

10p

180n

—

10p

330n

—

10p

330n

—

10p

470n

—

100p

330n

100p

1.0µ

330p

1.5µ

100p

1.5µ

150p

3.3µ

—

220p

4.7µ

—

220p

5.6µ

—

330p

6.8µ

—

120n

390n

470n

1.2µ

1.8µ

2.7µ

1.8µ

2.2µ

3.9µ

6.8µ

—

5.6µ

12µ

—

6.8µ

12µ

—

8.2µ

15µ

—

0.47p

100p

2.2n

100n

1.0p

10n

1.0p

27n

3.9p

56n

4.7p

47n

10p

150n

—

10p

220n

—

10p

220n

—

10p

330n

—

100p

220n

100p

820n

330p

1.2µ

100p

1.2µ

150p

2.2µ

—

220p

3.9µ

—

220p

4.7µ

—

330p

5.6µ

—

270n

390n

1.0µ

1.5µ

2.2µ

1.5µ

2.7µ

4.7µ

—

4.7µ

10µ

—

5.6µ

10µ

—

6.8µ

12µ

—

0.47p

100p

1.5n

47n

1.0p

5.6n

1.0p

22n

3.9p

33n

4.7p

33n

10p

100n

—

10p

150n

—

10p

150n

—

10p

220n

—

10p

330n

—

390p

680n

—

680p

1.0µ

—

100p

220n

100p

470n

330p

1.0µ

100p

680n

150p

2.2µ

—

220p

1.8µ

—

220p

3.3µ

—

330p

3.3µ

—

470p

10µ

—

1.0n

15µ

—

2.2n

22µ

—

0.47p

100p

0.47p

100p

0.47p

100p

470p

33n

220p

10n

150p*

1.5n*

1.0p

2.2n

1.0p

8.2n

3.9p

18n

4.7p

18n

10p

47n

—

10p

68n

—

10p

68n

—

10p

82n

—

10p

270n

—

390p

470n

—

680p

680n

—

100p

100n

100p

330n

330p

680n

100p

560n

150p

1.5µ

—

220p

1.5µ

—

220p

2.2µ

—

330p

2.7µ

—

470p

5.6µ

—

1.0n

10µ

—

2.2n

15µ

—

1.0p

3.3n

3.9p

8.2n

4.7p

8.2n

10p

22n

27n

10p

33n

39n

47n

10p

33n

39n

56n

10p

47n

56n

68n

10p

120n

150n

180n

390p

270n

330n

680p

390n

470n

560n

100p

56n

100p

150n

330p

330n

100p

270n

150p

680n

—

220p

1.0µ

—

220p

1.0µ

—

330p

1.5µ

—

470p

3.3µ

—

1.0n

5.6µ

—

2.2n

10µ

—

1.0p

680p

1.0p

2.2n

3.9p

6.8n

4.7p

5.6n

10p

15n

18n

22n

10p

27n

33n

10p

22n

27n

39n

10p

33n

39n

47n

10p

82n

100n

120n

390p

180n

220n

270n

680p

270n

330n

470n

100p

10n

100p

47n

330p

120n

100p

120n

150p

330n

—

220p

560n

—

220p

560n

—

330p

820n

—

470p

1.0µ

—

1.0n

1.8µ

—

2.2n

3.3µ

—

100p

6.8n

100p

33n

330p

47n

100p

68n

150p

180n

—

220p

180n

—

220p

330n

—

330p

390n

—

470p

680n

—

1.0n

1.2µ

—

2.2n

2.2µ

—

100p

4.7n

100p

27n

330p

33n

100p

47n

150p

100n

—

220p

120n

—

220p

120n

—

330p

150n

—

470p

180n

—

1.0n

390n

—

2.2n

1.0µ

—

100p

15n

330p

10n

100p

10n

150p

33n

—

220p

68n

—

220p

82n

—

330p

100n

—

470p

150n

—

1.0n

220n

—

2.2n

470n

—

100p

10n

330p

6.8n

100p

6.8n

150p

22n

—

220p

47n

—

220p

47n

—

330p

68n

—

470p

100n

—

1.0n

150n

—

2.2n

330n

—

100p

2.2n

330p

4.7n

100p

4.7n

150p

10n

—

220p

10n

—

220p

27n

—

330p

33n

—

470p

47n

—

1.0n

82n

—

2.2n

150n

—

1.0p

100p

3.9p

220p

4.7p

270p

10p

820p

1.0n

10p

1.5n

1.8n

2.2n

10p

1.8n

2.2n

3.3n

10p

2.2n

2.7n

3.9n

10p

6.8n

8.2n

12n

390p

12n

15n

22n

680p

22n

27n

39n

—

1.0p

68p

3.9p

150p

4.7p

180p

10p

560p

680p

10p

1.2n

1.5n

10p

1.5n

1.8n

2.2n

10p

1.8n

2.2n

2.7n

10p

4.7n

5.6n

8.2n

390p

10n

12n

18n

680p

15n

18n

27n

—

100p

1.5n

150p

3.3n

—

220p

6.8n

—

220p

8.2n

—

330p

12n

—

470p

33n

—

1.0n

68n

—

2.2n

100n

—

100p

4.7p

100p

4.7p

100p

4.7p

100p

1.2n

120p*

1.0n*

68p*

680p*

47p*

390p*

150p

10p

150p

10p

150p

10p

150p

2.7n

270p*

2.2n*

180p*

1.2n*

120p*

1.0n*

—

330p

390p*

—

220p

270p*

—

150p

180p*

—

1812

T=3.2mm

(T=3.2mm)

General introduction

Definitions of Ultra-Stable and Stable

Dielectric characteristics

Capacitance, Impedance and E.S.R. vs Frequency

Ageing, capacitance measurements and tight tolerance capacitors

Production processes and reliability

FlexiCap™ overview

Testing and termination types

Documentation and compliance

IECQ-CECC and AEC-Q200 periodic tests

Handling notes

Soldering information

Chip dimensions

14-15

Product Selector

Ceramic Chip capacitors

Standard MLCC ranges - 10Vdc to 6kVdc - C0G/NP0 & X7R

X8R High Temperature capacitors

TCC/VCC range

High Q capacitors - MS range

Copper Barrier capacitors

Open Mode & Tandem capacitors

IECQ-CECC ranges

AEC-Q200 ranges

S02A Space grade ranges

Safety Certified capacitors

250Vac Non Safety Rated AC capacitors

115Vac 400Hz & DWV ranges

LCD Inverter chip range

Surface Mount EMI filters

E01 & E07 feedthrough capacitors

X2Y Integrated Passive Components

Packaging information - Ceramic chip capacitors

Radial Leaded capacitors

Packaging information - Radial leaded capacitors

16-18

20-21

22-23

24-25

30-32

36-37

38-39

40-41

42-47

48-49

1825

T=2.5mm

220p

10p

220p

10p

220p

10p

220p

3.9n

560p*

2.2n*

390p*

1.8n*

270p*

1.5n*

—

680p*

—

470p*

—

330p*

—

(T=2.5mm)

1825

T=3.2mm

(T=3.2mm)

2220

T=2.5mm

220p

10p

220p

10p

220p

10p

220p

6.8n

680p*

4.7n*

470p*

3.9n*

330p*

2.2n*

—

820p

1.2n*

—

560p

820p*

—

390p

560p*

—

(T=2.5mm)

2220

T=4.0mm

(T=4.0mm)

2225

T=2.5mm

330p

10p

330p

10p

330p

10p

330p

8.2n

820p*

5.6n*

560p*

4.7n*

390p*

2.7n*

—

470p

22n

—

1.0n

47n

—

2.2n

82n

—

1.0n

1.5n*

10p

1.8n

2.2n

3.3n

390p

4.7n

5.6n

6.8n

680p

8.2n

10n

15n

—

470p

6.8n

—

1.0n

15n

—

2.2n

33n

—

680p

1.0n*

10p

1.5n

1.8n

2.2n

390p

2.7n

3.3n

4.7n

680p

5.6n

6.8n

10n

—

470p

680p*

10p

1.0n

1.2n

1.5n

390p

1.8n

2.2n

3.3n

680p

3.9n

4.7n

6.8n

—

(T=2.5mm)

2225

3640

2225

T=4.0mm

(T=4.0mm)

3640

T=2.5mm

—

(T=2.5mm)

3640

T=4.0mm

—

1.0n

10n

—

2.2n

22n

—

(T=4.0mm)

5550

T=2.5mm

—

(T=2.5mm)

5550

T=4.0mm

—

Note: 0402, 0505, 1111 & 2211 case sizes

—

are available in our speciality ranges.

Please refer to the relevant sections of

this catalogue

—

more details.

—

for

—

(T=4.0mm)

8060

T=2.5mm

—

(T=2.5mm)

8060

T=4.0mm

—

(T=4.0mm)

10V

16V

25V

50/63V

100v

200/

250V

500V

630V

1kV

1.2kV

1.5kV

2kV

2.5kV

3kV

4kV

5kV

6kV

Definitions of Ultra-Stable and Stable

Technical Summary

Dielectric characteristics

Multilayer Ceramic Capacitors are generally divided into classes which are defined by the capacitance temperature characteristics

over specified temperature ranges. These are designated by alpha numeric codes. Code definitions are summarised below and

are also available in the relevant national and international specifications.

Technical Summary

C0G/NP0

Dielectric

characteristics

Ultra stable

1B/CG

C0G/

NP0

CG (BP)

X5R

Stable

X5R

-55ºC to +85ºC

2C1

X7R

Stable

2R1

X7R

-55ºC to +125ºC

2X1

X8R

Stable

X8R

-55ºC to +150ºC

C0G/NP0

Ultra Stable Class 1 Ceramic (EIA Class 1)

Spec.

CECC

EIA

MIL

Classification

1B/CG

C0G/NP0

CG (BP)

Temperature

range °C

-55 +125

Maximum

capacitance change

@ rated DC volts

0 ± 30ppm/°C

Syfer

dielectric code

IECQ-

CECC

EIA

MIL

Rated temperature

range

Maximum capacitance

change over

temperature range

No DC voltage applied

Rated DC voltage applied

Syfer dielectric

ordering code

Capacitors within this class have a dielectric constant

range from 10 to 100. They are used in applications which

require ultra stable dielectric characteristics with negligible

dependence of capacitance and dissipation factor with

time, voltage and frequency. They exhibit the following

characteristics:-

a) Time does not significantly affect capacitance and

dissipation factor (Tan

δ)

– no ageing.

b) Capacitance and dissipation factor are not affected by

voltage.

c) Linear temperature coefficient.

-55ºC to +125ºC

0 ± 30 ppm/ºC

± 15%

± 20%

+20

-30%

± 15%

+15

-25%

± 15%

X8R, X7R and X5R

- Stable Class II Ceramic (EIA Class II)

Temperature

range °C

-55 +125

-55 +150

-55 +125

-55 +85

-55 +125

Cr > 50pF ≤ 0.0015

Cr ≤ 50pF = 0.0015 (15 + 0.7)

Spec.

Classification

Maximum capacitance change %

over temperature range

No DC volt

applied

±20

±15

±20

Rated DC Volt

+20 -30

+15 -25

Syfer

dielectric

code

Tangent of loss angle

(tan δ)

Insulation

resistance (Ri)

Time constant (Ri x

Cr) (whichever is the

least)

Capacitance

tolerance

≤ 0.025

CECC

2C1

2R1

2X1

X8R

X7R

X5R

100G

Ω

1000s

100G

Ω

1000s

100G

Ω

1000s

100G

Ω

1000s

Cr < 10pF

EIA

MIL

+15 -25

+20 -30

Cr > 10pF

Capacitors of this type have a dielectric constant range

of 1000-4000, and also have a non-linear temperature

characteristic which exhibits a dielectric constant variation

of less than ±15% (2R1) from its room temperature value,

over the specified temperature range. Generally used for

by-passing (decoupling), coupling, filtering, frequency

discrimination, DC blocking and voltage transient suppression

with greater volumetric efficiency than Class l units, whilst

maintaining stability within defined limits.

Capacitance and dissipation factor are affected by:-

Time

(Ageing)

Voltage

(AC or DC)

Frequency

± 0.05pF (H)

± 0.10pF (B)

± 0.25pF (C)

± 0.50pF (D)

± 1.0pF (F)

± 1% (F)

± 2% (G)

± 5% (J)

± 10% (K)

± 5% (J)

± 10% (K)

± 20% (M)

± 5% (J)

± 10% (K)

± 20% (M)

± 5% (J)

± 10% (K)

± 20% (M)

Dielectric strength

<200V

>200V to <500V

500V to <1000V

1kV to

<1200V

>1200V

>1000V

Climatic

category (IEC)

Chip

Dipped

Discoidal

55/125/56

55/125/21

55/125/56

Zero

2.5 times

Rated voltage + 250V

1.5 times

1.25 times

1.2 times

Voltage applied for 5 seconds.

Charging current limited to 50mA maximum.

2.5 times

Rated voltage + 250V

1.5 times

1.2 times

2.5 times

Typical dielectric temperature characteristics

C0G/NP0 capacitance vs

temperature

% Capacitance Change

UPPER LIMIT

Power ratings

C0G/NP0 and X7R

X7R capacitance vs

temperature

-5

-10

-15

-20

-55

-35

-15

105

125

Typical capacitance change curves

will lie within the shown limits

55/85/56

<2% per time decade

55/125/56

55/125/21

55/125/56

<2% per time decade

55/150/56

<2% per time decade

∆C

ppm/°C

TYPICAL LIMIT

Power (mW)

Ageing

characteristic

(Typical)

-25

LOWER LIMIT

The table above highlights the difference in coding for IECQ-CECC, EIA

and MIL standards when defining the temperature coeffiecient and the

voltage coefficient.

-50

-55

-25

100

125

Temperature (°C)

Operating Temperature (°C)

Approvals

Chip

Dipped radial

QC-32100

IECQ-CECC 30601-008

QC-32100

IECQ-CECC 30701-013

Capacitance, Impedance and E.S.R. vs Frequency

Technical Summary

Ageing of ceramic capacitors

Impedance

vs Frequency - chips

Ultra Stable C0G/NP0 dielectric

100000000

ESR vs Frequency - chips

Ultra Stable C0G/NP0 dielectric

1000

10pF

1nF

100pF

Ageing

Capacitor ageing is a term used to describe the negative,

logarithmic capacitance change which takes place in ceramic

capacitors with time. The crystalline structure for barium

titanate based ceramics changes on passing through its Curie

temperature (known as the Curie Point) at about 125°C.

This domain structure relaxes with time and in doing so, the

dielectric constant reduces logarithmically; this is known as

the ageing mechanism of the dielectric constant. The more

stable dielectrics have the lowest ageing rates.

The ageing process is reversible and repeatable. Whenever

the capacitor is heated to a temperature above the Curie Point

the ageing process starts again from zero.

The ageing constant, or ageing rate, is defined as the

percentage loss of capacitance due to the ageing process of

the dielectric which occurs during a decade of time (a tenfold

increase in age) and is expressed as percent per logarithmic

decade of hours. As the law of decrease of capacitance is

logarithmic, this means that in a capacitor with an ageing rate

of 1% per decade of time, the capacitance will decrease at a

rate of:

1% between 1 and 10 hours

An additional 1% between the following 10 and 100

hours

An additional 1% between the following 100 and 1000

hours

An additional 1% between the following 1000 and 10000

hours etc

The ageing rate continues in this manner throughout the

capacitor’s life.

Capacitance measurements

Because of ageing it is necessary to specify an age for

reference measurements at which the capacitance shall be

within the prescribed tolerance. This is fixed at 1000 hours,

since for practical purposes there is not much further loss of

capacitance after this time.

All capacitors shipped are within their specified tolerance at

the standard reference age of 1000 hours after having cooled

through their Curie temperature.

The ageing curve for any ceramic dielectric is a straight line

when plotted on semi-log paper.

Ultra Stable C0G/NP0 dielectric

Impedance (Ohms)

10000000

1000000

100000

10000

1000

100

0.1

0.01

0.001

0.01

0.1

ESR / Ohms

10nF

100

0.1

0.01

100pF

1nF

10nF

Capacitance vs time

(Ageing X7R @ 1% per decade)

100

1000

10000

Frequency (MHz)

0.001

0.01

0.1

100

1000

10000

Frequency (MHz)

Stable X7R dielectric

1000000

Stable X7R dielectric

10000

Stable X7R dielectric

Impedance (Ohms)

100000

10000

1000

100

0.1

0.01

0.001

0.01

0.1

1nF

100nF

10nF

1000nF

1000

ESR (Ohms)

100

0.1

0.01

0.001

1nF

10nF

100nF

1µF

∆c

C0G/NP0

Typical values of the ageing constant for our Multilayer

Ceramic Capacitors are:

100

1000

10000

Age (Hours)

0.01

0.1

100

1000

10000

100

1000

10000

Frequency (MHz)

0.0001

0.001

Dielectric class

Ultra Stable C0G/NP0

Stable X7R

Typical values

Negligible capacitance loss

through ageing

<2 % per decade of time

Frequency (MHz)

Tight tolerance

One of the advantages of Syfer’s unique ‘wet process’ of

manufacture is the ability to offer capacitors with exceptionally

tight capacitance tolerances.

The accuracy of the printing screens used in the fully

automated, computer controlled manufacturing process allows

for tolerance as close as +/-1% on C0G/NP0 parts greater

than or equal to 10pF. For capacitance values below 10pF,

tolerances can be as tight as +/-0.05pF.

Impedance vs Frequency - 10nF chips

Stable X7R dielectric

Stable X7R dielectric 10nF

100000

Impedance (Ohms)

10000

1000

100

0.1

0.01

0.001

0.01

0.1

1808

1206

0805

1210

Impedance (Ohms)

100

1000

10000

Frequency (MHz)

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