1808YA250180FABSY2 datasheet, PDF

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1808YA250180FABSY2: DescriptionCeramic Capacitor, Multilayer, Ceramic, 2500V, 1% +Tol, 1% -Tol, C0G, 30ppm/Cel TC, 0.000018uF, Surface Mount, 1808, CHIP; CategoryPassive components capacitor; File Size622KB，9 Pages; ManufacturerKnowles; Websitehttp://www.knowles.com; Environmental Compliance

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1808YA250180FABSY2 Overview

Ceramic Capacitor, Multilayer, Ceramic, 2500V, 1% +Tol, 1% -Tol, C0G, 30ppm/Cel TC, 0.000018uF, Surface Mount, 1808, CHIP

1808YA250180FABSY2 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	145037918142
package instruction	, 1808
Reach Compliance Code	compliant
ECCN code	EAR99
capacitance	0.000018 µF
Capacitor type	CERAMIC CAPACITOR
dielectric materials	CERAMIC
high	2 mm
length	4.5 mm
Installation features	SURFACE MOUNT
multi-layer	Yes
negative tolerance	1%
Number of terminals	2
Maximum operating temperature	125 °C
Minimum operating temperature	-55 °C
Package form	SMT
method of packing	Bulk
positive tolerance	1%
Rated (AC) voltage (URac)	250 V
Rated (DC) voltage (URdc)	2500 V
Guideline	AEC-Q200
size code	1808
surface mount	YES
Temperature characteristic code	C0G
Temperature Coefficient	30ppm/Cel ppm/°C
Terminal shape	WRAPAROUND
width	2 mm

1808YA250180FABSY2 Preview

MLCC

Safety Certified capacitors

Safety Certified MLCC Capacitors

Electrical Details

Capacitance Range

Temperature Coefficient of

Capacitance (TCC)

C0G/NP0

X7R

C0G/NP0

X7R

Insulation Resistance (IR)

Dielectric Withstand Voltage (DWV)

C0G/NP0

X7R

4.7pF to 22nF

0 ± 30ppm/˚C

±15% from -55˚C to +125˚C

Cr > 50pF

≤0.0015

≤

50pF = 0.0015(15÷Cr+0.7)

≤

0.025

100G or 1000secs (whichever is the less)

Voltage applied for 5 ±1 seconds, 50mA

charging current maximum

Zero

<2% per time decade

Knowles Safety Certified capacitors comply with

international UL and TÜV specifications to offer

designers the option of using a surface mount ceramic

multilayer capacitor to replace leaded film types.

Offering the benefits of simple pick-and-place

assembly, reduced board space required and lower

profile, they are also available in a FlexiCap™ version to

reduce the risk of mechanical cracking.

Knowles high voltage capacitor expertise means the

range offers among the highest range available of

capacitance values in certain case sizes. Applications

include: modems, AC-DC power supplies and where

lightning strike or other voltage transients represent a

threat to electronic equipment.

Dissipation Factor

Ageing Rate

• Surface mount multilayer capacitors

• Meet Class Y2 /X1, X1 and X2 requirements



•

Certification specifications for larger sizes include IEC/

EN60384-14, UL/CSA60950 and UL60384-14

Surface mount package

Reduces board area and height restrictions

Reduced assembly costs over conventional through hole

components

FlexiCap™ option available on all sizes

• Approved for mains ac voltages up to 250Vac

• Approved by UL and TÜV

• Sizes 1808, 1812, 2211, 2215 and 2220

• Smaller sizes suitable for use in equipment certified to

EN60950

• Range qualified to AEC-Q200

Class



Rated voltage

250Vac

150Vac

250Vac

Impulse voltage

8000V

5000V

2500V

4000V

2500V

None

Insulation bridging

Double or reinforced

Basic or supplementary*

May be used in primary

circuit

Line to protective earth

Line to line

Available for case sizes greater than 1812

* 2 x Y2 or Y4 rated may bridge double or reinforced insulation when used in series.

Dimensions

Max

Thickness

(T)

2.0

Size

Length

(L1)

4.5 ± 0.35

Width

(W)

2.0 ± 0.3

Band

(L2)

0.50 – 0.80

1808

1812

4.5 ± 0.30

3.2 ± 0.2

3.2

0.50 – 0.80

2211

5.7 ± 0.40

2.79 ± 0.3

2.54

0.50 – 0.80

2215

2220 B16 /

U16

2220 B17 /

U17

5.7 ± 0.40

3.81 ± 0.35

2.54

0.50 – 0.80

5.7 ± 0.40

5.0 ± 0.4

4.5

0.25 – 1.0

5.7 ± 0.40

5.0 ± 0.4

2.5

0.25 -1.0

SafetyDatasheet Issue 11 Release Date 08/08/17

Page 1 of 9

Tel: +44 1603 723300 | Email SyferSales@knowles.com | www.knowlescapacitors.com/syfer

Classification and approval specification – Safety Certified capacitors

Chip

size

Dielectric

Cap Range

4.7pF

1.5nF

Knowles

Family Code

Classification

(1)

NWGQ2, NWGQ8

(1)

Approval Specification

IEC60384-14

EN60384-14

UL-60950-1, 2nd Ed

CSA 60950-1-07 2nd Ed

IEC60384-14

EN60384-14

UL-60950-1, 2nd Ed

CSA 60950-1-07 2nd Ed

IEC60384-14

EN60384-14

UL-60950-1, 2nd Ed

CSA 60950-1-07 2nd Ed

IEC60384-14

EN60384-14

UL-60950-1, 2nd Ed

CSA 60950-1-07 2nd Ed

IEC60384-14

EN60384-14

UL-60950-1, 2nd Ed

CSA 60950-1-07 2nd Ed

IEC60384-14

EN60384-14

UL-60950-1, 2nd Ed

CSA 60950-1-07 2nd Ed

IEC60384-14

EN60384-14

UL-60950-1, 2nd Ed

CSA 60950-1-07 2nd Ed

IEC60384-14

EN60384-14

UL-60950-1, 2nd Ed

CSA 60950-1-07 2nd Ed

IEC60384-14

EN60384-14

UL-60950-1, 2nd Ed

CSA 60950-1-07 2nd Ed

IEC60384-14

EN60384-14

UL-60950-1, 2nd Ed

CSA 60950-1-07 2nd Ed

IEC60384-14

EN60384-14

UL-60384-14

CSA E60384-14:09

IEC60384-14

EN60384

Approval

Body

TÜV

1808

C0G/NP0

1808

X7R

150pF

4.7nF

NWGQ2, NWGQ8

PY2

(1)

1808

C0G/NP0

4.7pF

390pF

NWGQ2, NWGQ8

PY2

(1)

NWGQ2, NWGQ8

PY2

(1)

NWGQ2, NWGQ8

1808

X7R

150pF to

1.0nF

4.7pF to 390pF

1812

C0G/NP0

4.7pF to 470pF

1812

X7R

150pF to 2.2nF

PY2

(1)

NWGQ2, NWGQ8

4.7pF

1nF

Y2/X1

(2)

NWGQ2, NWGQ8

Y2/X1

(2)

NWGQ2, NWGQ8

Y2/X1

(2)

2211

C0G/NP0

2211

X7R

100pF

3.9nF

2215

C0G/NP0

820pF

1.0nF

NWGQ2, NWGQ8

Y2/X1

(2)

2215

X7R

2.7nF

3.9nF

NWGQ2, NWGQ8

Y2/X1

(2) (3)

B16

Y2/X1,

(1)

FOWX2,

FOWX8

2220

X7R

150pF

10nF

(3)

2220

Notes:

(1)

(2)

(3)

PY2

B16

B17

X7R

150pF to 22nF

B17

(2)

TÜV

Termination availability

J & Y terminations only.

J, Y, A & H terminations available.

>5.6nF available with Y & H terminations only. Utilise StackiCap™ technology

Unmarked capacitors also available as released in accordance with approval specifications with additional 2.5kVdc rating. Family codes SY2 applies.

Unmarked capacitors also available as released in accordance with approval specifications with additional 2.5kVdc rating. Family codes SYU applies.

Also available as released in accordance with approval specifications with additional 2.5kVdc rating. Family codes U16 applies.

Also available as released in accordance with approval specifications with additional 2.5kVdc rating. Family codes U17 applies.

SafetyDatasheet Issue 11 Release Date 08/08/17

Page 2 of 9

Tel: +44 1603 723300 | Email SyferSales@knowles.com | www.knowlescapacitors.com/syfer

C0G/NP0

Ultra stable

IECQ-CECC

EIA

MIL

Rated temperature range

Maximum capacitance

change over temperature

range

Rated DC voltage applied

1B/CG

C0G/NP0

CG (BP)

2C1

X7R

Stable

2R1

X7R

-55ºC to +125ºC

2X1

-55ºC to +125ºC

± 20%

0 ± 30 ppm/ºC

+20 -30%

± 15%

+15 -25%

Knowles / Syfer dielectric

ordering code

Tangent of loss angle

(tan

δ)

Cr > 50pF

≤

0.0015

≤

50pF = 0.0015 (15 + 0.7)

≤

0.025

Insulation resistance (Ri)

Time constant (Ri*Cr)

(whichever is the least)

100G

Ω

or 1000s

100G

Ω

or 1000s

<4.7pF

0.05pF

0.10pF

0.25pF

0.50pF

(H)

(B)

(C)

(D)

Capacitance

tolerance

(ordering code)

<10pF

± 0.10pF (B)

± 0.25pF (C)

± 0.50pF (D)

± 5% (J)

± 10% (K)

± 20% (M)

>10pF

± 1% (F)

± 2% (G)

± 5% (J)

± 10% (K)

Dielectric strength

Voltage applied for 5 seconds max.

Charging current limited to 50mA maximum (dc test).

3000Vdc / 1500Vac (AQL)

3000Vdc / 2000Vac (AQL)

As classification (X1/X2/Y2) - AQL all batches

55/125/56

Zero

55/125/56

<2% per time decade

1808 SP

1808 / 1812 PY2

2211 / 2215 SP

2220 B16 / B17

Impulse Test

Climatic category (IEC)

Ageing characteristic

(Typical)

SafetyDatasheet Issue 11 Release Date 08/08/17

Page 3 of 9

Tel: +44 1603 723300 | Email SyferSales@knowles.com | www.knowlescapacitors.com/syfer

Ordering Information – Safety Certified capacitors – Class SPU/SP ranges

1808

Chip Size

1808

2211

2215

Termination

= nickel barrier

(100% matte tin

plating). RoHS

compliant

= FlexiCap™

termination base with

Ni barrier (100%

matte tin plating).

RoHS compliant.

2211/2215 only

= Ni barrier

(Tin/lead plating with

min. 10% lead). Not

RoHS compliant.

= FlexiCap™

termination base with

Ni barrier (Tin/lead

plating with min. 10%

lead). Not RoHS

compliant.

A25

Rated Voltage

A25

= 250Vac

(SPU = 250Vac /

2500Vdc)

0102

Capacitance in Pico

farads (pF)

First digit is 0.

Second and third digits are

significant figures of

capacitance code.

The fourth digit is number of

zeros following.

Example:

0102

= 1.0nF

Capacitance

Tolerance

<10pF

= ±0.10pF

= ±0.25pF

= ±0.50pF

≥

10pF

= ±1%

= ±2%

= ±5%

= ±10%

= ±20%

Dielectric

Codes

= C0G/NP0

= X7R

= C0G/NP0

AEC-Q200

= X7R (2B1)

AEC-Q200

Packaging

= 178mm

(7”) reel

= 330mm

(13”) reel

= Bulk pack

– tubs or trays

Suffix code

= Surge

Protection

capacitors (marked

and approved)

SPU

= Surge

Protection

capacitors (un-

marked parts are in

accordance with,

but not certified)

Ordering Information – Safety Certified capacitors – Class PY2/SY2

1808

Chip Size

1808

1812

Termination

= nickel barrier

(100% matte tin

plating). RoHS

compliant

= FlexiCap™

termination base with

Ni barrier (100%

matte tin plating).

RoHS compliant.

A25

Rated Voltage

A25

= 250Vac

(SY2 = 250Vac /

2500Vdc)

0102

Capacitance in Pico

farads (pF)

First digit is 0.

Second and third digits are

significant figures of

capacitance code.

The fourth digit is number of

zeros following.

Example:

0102

= 1.0nF

Capacitance

Tolerance

<10pF

= ±0.10pF

= ±0.25pF

= ±0.50pF

≥

10pF

= ±1%

= ±2%

= ±5%

= ±10%

= ±20%

Dielectric

Codes

= C0G/NP0

= X7R

= C0G/NP0

AEC-Q200

= X7R (2B1)

AEC-Q200

Packaging

= 178mm

(7”) reel

= 330mm

(13”) reel

= Bulk pack

– tubs or trays

PY2

Suffix code

PY2

= Safety

tested Surge

Protection

capacitors (marked

and approved)

SY2

= Surge

Protection

capacitors (un-

marked parts are in

accordance with,

but not certified)

Ordering Information – Safety Certified capacitors – Class B16/B17 ranges

2220

Chip Size

2220

Termination

= nickel barrier

(100% matte tin

plating). RoHS

compliant

= FlexiCap™

termination base with

Ni barrier (100%

matte tin plating).

RoHS compliant.

= Ni barrier

(Tin/lead plating with

min. 10% lead). Not

RoHS compliant.

= FlexiCap™

termination base with

Ni barrier (Tin/lead

plating with min. 10%

lead). Not RoHS

compliant.

A25

Rated Voltage

A25

= 250Vac

(U16 = 250Vac /

2500Vdc)

(U17 = 250Vac /

2500Vdc)

0102

Capacitance in Pico

farads (pF)

First digit is 0.

Second and third digits are

significant figures of

capacitance code.

The fourth digit is number of

zeros following.

Example:

0102

= 1.0nF

Capacitance

Tolerance

= ±5%

= ±10%

= ±20%

Dielectric

Codes

= X7R

= X7R (2B1)

AEC-Q200

= X7R (BME)

(4)

Packaging

= 178mm

(7”) reel

= 330mm

(13”) reel

= Bulk pack

– tubs or trays

B16

Suffix code

B16

= Type A:

X1/Y2

B17

= Type B: X2

U16

= Type A: (In

accordance with,

but not certified to,

class X1/Y2)

U17

= Type B: (In

accordance with,

but not certified to,

class X2)

Dielectric code E (AEC-Q200 approved X7R Dielectric) available with terminations Y & H only

(4)

‘J’ dielectric code for B16 values

≤4.7nF

only.

SafetyDatasheet Issue 11 Release Date 08/08/17

Page 4 of 9

Tel: +44 1603 723300 | Email SyferSales@knowles.com | www.knowlescapacitors.com/syfer

Soldering Information

Knowles / Syfer MLCCs are compatible with all recognised

soldering/mounting methods for chip capacitors. A detailed

application note is available at

www.knowlescapacitors.com/syfer

Reflow Soldering

Knowles recommend reflow soldering as the preferred method

for mounting MLCCs. Knowles MLCCs can be reflow soldered

using a reflow profile generally defined in IPC/FEDEC J-STD-

020. Sn plated termination chip capacitors are compatible with

both conventional and lead free soldering with peak

temperatures of 260º to 270ºC acceptable.

The heating ramp rate should be such that components see a

temperature rise of 1.5º to 4ºC per second to maintain

temperature uniformity through the MLCC.

The time for which the solder is molten should be maintained

at a minimum, so as to prevent solder leaching. Extended

times above 230ºC can cause problems with oxidation of Sn

plating. Use of an inert atmoshere can help if this problem is

encountered. Palladium/Silver (Pd/Ag) terminations can be

particularly susceptible to leaching with free lead, tin rich

solders and trials are recommended for this combination.

Cooling to ambient temperature should be allowed to occur

naturally, particularly if larger chip sizes are being soldered.

Natural cooling allows a gradual relaxation of thermal

mismatch stresses in the solder joints. Forced cooling should

be avoided as this can induce thermal breakage.

Wave Soldering

Wave soldering is generally acceptable, but the thermal

stresses caused by the wave have been shown to lead to

potential problems with larger or thicker chips. Particular care

should be taken when soldering SM chips larger than size 1210

and with a thickness greater than 1.0mm for this reason.

Maximum permissable wave temperature is 270ºC for SM

chips.

The total immersion time in solder should be kept to a

minimum. It is strongly recommended that Sn/Ni plated

terminations are specified for wave soldering applications.

Solder Leaching

Leaching is the term for the dissolution of silver into the solder

causing a failure of the termination system which causes

increased ESR, tan

and open circuit faults, including

ultimately the possibility of the chip becoming detached.

Leaching occurs more readily with higher temperature solders

and solders with a high tin content. Pb free solders can be very

prone to leaching certain termination systems. To prevent

leaching, exercise care when choosing solder allows and

minimize both maximum temperature and dwell time with the

molten solder.

Plated terminations with nickel or copper anti-leaching barrier

layers are available in a range of top coat finishes to prevent

leaching occurring. These finishes also include Knowles

FlexiCap

for improved stress resistance post soldering.

Multilayer ceramic chip with nickel or copper barrier

terminat

ion

Rework of Chip Capacitors

Knowles recommend hot air/gas as the preferred method of

applying heat for rework. Apply even heat surrounding the

component to minimise internal thermal gradients. Soldering

irons or other techniques that apply direct heat to the chip or

surrounding area, should not be used as these can result in

micro cracks being generated.

Minimise the rework heat duration and allow components to

cool naturally after soldering.

Use of Silver Loaded Epoxy Adhesives

Chip capacitors can be mounted to circuit boards using silver

loaded adhesive provided the termination material of the

capacitor is selected to be compatible with the adhesive. This

is normally PdAg. Standard tin finishes are often not

recommended for use with silver loaded epoxies as there can

be electrical and mechanical issues with the joint integrity due

to material mismatch.

Handling & Storage

Components should never be handled with fingers;

perspiration and skin oils can inhibit solderability and will

aggravate cleaning.

Chip capacitors should never be handled with metallic

instruments. Metal tweezers should never be used as theses

can chip the product and leave abraded metal tracks on the

product surface. Plastice or plastic coated metal types are

readily available and recommended – these should be used

with an absolute minimum of applied pressure.

Incorrect storage can lead to problems for the user. Rapid

tarnishing of the terminations, with an associated degradation

of solderability, will occur if the product comes into contact

with industrial gases such as sulphur dioxide and chlorine.

Storage in free air, particularly moist or polluted air, can result

in termination oxidation.

Packaging should not be opened until the MLCs are required

for use. If opened, the pack should be re-sealed as soon as

practicable. Alternatively, the contents could be kept in a

sealed container with an envirinmental control agent.

Long term storage conditions, ideally, should be temperature

controlled between -5º and +40ºC and humidity controlled

between 40 and 60% R.H.

Taped product should be stored out of direct sunlight, which

might promote deterioration in tape or adhesive performance.

Product, store under the conditions recommended above, in its

“as received” packaging, has a minimum shelf life of 2 years.

SM Pad Design

Knowles conventional 2-terminal chip capacitors can generally

be mounted using pad designs in accordance with IPC-7351,

Generic Requirements for Surface Mount Design and Land

Pattern Standards, but there are some other factors that have

been shown to reduce mechanical stress, such as reducing the

pad width to less than the chip width. In addition, the position

of the chip on the board should also be considered.

3-terminal components are not specifically covered by IPC-

7351, but recommended pad dimensions are included in the

Knowles catalogue/website for these components.

SafetyDatasheet Issue 11 Release Date 08/08/17

Page 5 of 9

Tel: +44 1603 723300 | Email SyferSales@knowles.com | www.knowlescapacitors.com/syfer

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