255D156X025V2W80 [VISHAY]

CAPACITOR, TANTALUM, SOLID POLYMER, POLARIZED, 25 V, 15 uF, SURFACE MOUNT, 2916, CHIP, LEAD FREE;


型号：	255D156X025V2W80
厂家：	VISHAY
描述：	CAPACITOR, TANTALUM, SOLID POLYMER, POLARIZED, 25 V, 15 uF, SURFACE MOUNT, 2916, CHIP, LEAD FREE 电容器
文件：	总6页 (文件大小：264K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

255D

Vishay Sprague

Organic Polymer, Low ESR, Tantalum Capacitors

Commercial, Surface Mount Capacitors for

Switch Mode Power Supplies and Converters

FEATURES

•

Conductive polymer cathode technology

Low ESR

No-ignition failure mode

EIA standard case sizes

100 % surge current tested

Lead (Pb)-free

PERFORMANCE CHARACTERISTICS

Operating Temperature: - 55 °C to + 105 °C.

Capacitance Range: 33µF to 330µF.

Capacitance Tolerance: 20 % standard.

Voltage Rating: 4 WVDC to 10 WVDC.

ORDERING INFORMATION

255D

227

004

040

MODEL

CAPACITANCE

CAPACITANCE DC VOLTAGE RATING CASE CODE TERMINATION

REEL SIZE AND

PACKAGING

ESR VALUE

IN mΩ

TOLERANCE

AT + 85 °C

This is expressed

in picofarads. The

first two digits are

X0 = 20 %

This is expressed in See Ratings

2 = 100% Tin T = Tape and reel*

7" [178 mm] reel

volts. To complete

and Case

the three-digit block, Codes Table.

zeros precede the

voltage rating.

W = 13" [330 mm] reel

*Cathode nearest

sprocket hole.

the

significant

figures. The third

is the number of

zeros to follow.

decimal point is

indicated by an "R"

(6R3 = 6.3 volts).

Note: Preferred Tolerance and reel sizes are in bold.

Last three characters designate ESR max. Limit in milliohms

DIMENSIONS in inches [millimeters]

TH Min.

CASE

EIA

TH (Min.)

0.138 0.008

[3.5 0.2]

0.110 0.008

[2.8 0.2]

0.075 0.008

[1.9 0.2]

0.031 0.012

[0.8 0.3]

0.087 0.004

[2.2 0.1]

0.028

[0.7]

3528

0.287 0.012

[7.3 0.3]

0.170 0.012

[4.3 0.3]

0.110 0.012

[2.8 0.3]

0.051 0.012

[1.3 0.3]

0.095 0.004

[2.4 0.1]

0.039

[1.0]

734331

734319

0.287 0.012

[7.3 0.3]

0.170 0.012

[4.3 0.3]

0.076

[1.9 max]

0.051 0.012

[1.3 0.3]

0.015 0.012

[0.4 0.3]

0.039

[1.0]

www.vishay.com

For technical questions, contact: tantalum@vishay.com

Document Number: 40052

Revision: 27-Apr-05

255D

Organic Polymer, Low ESR, Tantalum Capacitors

Commercial, Surface Mount Capacitors for

Switch Mode Power Supplies and Converters

Vishay Sprague

RATINGS AND CASE CODES

µF

3 V

4 V

6.3 V

10 V

16 V

25 V

15*

33*

100

150

220

330

D, V

*Preliminary values, contact factory for availability.

STANDARD RATINGS

Max. RIPPLE

100 kHz

Irms

MAX. DCL

at + 25 °C

(mA)

Max. DF

at + 25 °C

(%)

Max. ESR

at 100 kHz

(mΩ)

CAPACITANCE

CASE CODE

(µF)

PART NUMBER

(Amps)

3 WVDC @ + 85 °C, 2.4 WVDC @ + 105 °C, SURGE = 3.9 V @ + 85 °C, 3.3 V @ + 105 °C

B* 255D157X0003B2T070* 45* 8* 70*

4 WVDC @ + 85 °C, 3.3 WVDC @ + 105 °C, SURGE = 5.2 V @ + 85 °C, 4.3 V @ + 105 °C

150*

1.1*

150

150*

220

220*

255D157X0004V2T040

255D157X0004V2T025*

255D227X0004D2T055

255D227X0004D2T045

255D227X0004D2T040

255D227X0004V2T025*

60*

25*

1.9

2.2*

2.0

1.9

88*

25*

2.2*

6.3 WVDC @ + 85 °C, 5 WVDC @ + 105 °C, SURGE = 8 V @ + 85 °C, 6.5 V @ + 105 °C

100*

150

255D107X06R3V2T035*

255D157X06R3D2T055

255D157X06R3D2T045

255D157X06R3V2T025*

255D157X06R3V2T040

255D337X06R3D2T040*

63*

35*

1.9*

1.7

150

2.0

150*

150

95*

25*

2.2*

1.8

330*

208*

12*

40*

1.9*

10 WVDC @ + 85 °C, 8 WVDC @ + 105 °C, SURGE = 13 V @ + 85 °C, 8 V @ + 105 °C

100

255D107X0010D2T065

255D107X0010D2T050

100

1.51

1.7

16 WVDC @ + 85 °C, 13 WVDC @ + 105 °C, SURGE = 19 V @ + 85 °C, 13 V @ + 105 °C

V* 255D336X0016V2T070* 53.8* 8* 70*

25 WVDC @ + 85 °C, 20 WVDC @ + 105 °C, SURGE = 32 V @ + 85 °C, 26 V @ + 105 °C

V* 255D156X0025V2T080* 37.5* 8* 80*

33*

1.4*

15*

1.25*

*Preliminary values, contact factory for availability.

Document Number: 40052

Revision: 27-Apr-05

For technical questions, contact: tantalum@vishay.com

www.vishay.com

255D

Organic Polymer, Low ESR, Tantalum Capacitors

Commercial, Surface Mount Capacitors for

Switch Mode Power Supplies and Converters

Vishay Sprague

PERFORMANCE CHARACTERISTICS

Operating Temperature: Capacitors are designed to

operate over the temperature range of - 55 °C to

+ 105 °C.

Dissipation Factor: The dissipation factor, determined

from the expression 2πfRC, shall not exceed values

listed in the Standard Ratings Table.

1.1

Capacitors may be operated to + 105 °C with voltage

derating to 0.8 times the + 85 °C rating.

6.1

Measurements shall be made by the bridge method at,

or referred to, a frequency of 120 Hz and a temperature

of + 25 °C.

+ 85 °C Rating

+ 105 °C Rating

Leakage Current: Capacitors shall be stabilized at the

rated temperature for 30 minutes. Rated voltage shall

be applied to capacitors for 5 minutes using a steady

source of power (such as a regulated power supply)

with 1000 ohm resistor connected in series with the

capacitor under test to limit the charging current.

Leakage current shall then be measured.

WORKING

VOLTAGE

(V)

SURGE

VOLTAGE

(V)

WORKING

VOLTAGE

(V)

SURGE

VOLTAGE

(V)

4.0

6.3

5.2

8.0

3.3

5.0

8.0

12.8

4.3

6.5

10.4

7.1

7.2

7.3

At + 25 °C, the leakage current shall not exceed the

value listed in the Standard Ratings Table.

DC Working Voltage: The DC working voltage is the

maximum operating voltage for continuous duty at the

rated temperature.

At + 85 °C, the leakage current shall not exceed 10

times the value listed in the Standard Ratings Table.

At + 105 °C, the leakage current , shall not exceed 10

times the value listed in the Standard Ratings Table.

Surge Voltage: The surge DC rating is the maximum

voltage to which the capacitors may be subjected under

any conditions, including transients and peak ripple at

the highest line voltage.

ESR

8.1

ESR (Equivalent Series Resistance) shall not exceed

the values listed in the Ratings Table. Measurement

shall be made by the bridge method at a frequency of

100 kHz and a temperature of + 25 °C.

3.1

3.2

Surge Voltage Test: Capacitors shall withstand the

surge voltage applied in series with a 33 ohm 5 %

resistor at the rate of one-half minute on, one-half

minute off, at + 85 °C, for 1000 successive test cycles.

Life Test: Capacitors shall withstand rated DC voltage

applied at + 85 °C for 1000 hours.

Following the surge voltage test, the dissipation factor

shall meet the initial requirements; the capacitance

shall not have changed more than 20 %. The leakage

current shall not exceed 150 % of the value.

9.1

Following the life test, the dissipation factor shall not

exceed 1.5 times the initial requirement; the

capacitance change shall not exceed

20 %; the

Capacitance Tolerance: The capacitance of all

capacitors shall be within the specified tolerance limits

of the normal rating.

leakage current shall not exceed 0.1 CV (3uA).

10.

11.

Solderability: Capacitors will meet the solderability

requirements of (MIL-STD-202, method 208),

ANSI/J-STD-002, Test B, Category 3.

4.1

Capacitance measurements shall be made by means

of polarized capacitance bridge. The polarizing voltage

shall be of such magnitude that there shall be no

reversal of polarity due to the AC component. The

maximum voltage applied to capacitors during

measurement shall be 2 volts rms at 120 Hz at + 25 °C.

If the AC voltage applied is less than one-half volt rms,

no DC bias is required. Accuracy of the bridge shall be

within 2 %.

Resistance to Solder Heat: Capacitors will with stand

reflow soldering at + 240°C + 5°C for 10 seconds max.

Capacitors should be allowed to remain at ambient

conditions for a period of up to 24 hours prior to

electrical measurements.

11.1 Following the resistance to solder heat test,

capacitance, be within 20 % of the initial value, the

dissipation factor and the DC leakage current shall not

exceed the initial value.

Capacitance Change With Temperature: The

capacitance change with temperature shall not exceed

the following percentage of the capacitance measured

at + 25 °C:

12.

Terminal Strength: Per UEC-384-3, minimum of 3N

shear force.

13.

Flammability: Encapsulant materials meet UL94 V0

with an oxygen index of 32%.

- 55 °C

20 %

+ 85 °C

20 %

+ 105 °C

30 %

www.vishay.com

For technical questions, contact: tantalum@vishay.com

Document Number: 40052

Revision: 27-Apr-05

255D

Organic Polymer, Low ESR, Tantalum Capacitors

Commercial, Surface Mount Capacitors for

Switch Mode Power Supplies and Converters

Vishay Sprague

PERFORMANCE CHARACTERISTICS (Continued)

14.

Humidity Test: Capacitors shall withstand 500 hours

at + 60 °C, 90 % to 95 % relative humidity, with no

voltage applied.

Temperature

+ 25 °C

Derating Factor

1.0

0.9

0.4

+ 85 °C

14.1 Following the humidity test, capacitance change shall

not exceed - 20 % to + 40 % of the initial value,

dissipation factor shall not exceed 150 % of the initial

requirement; leakage current shall not exceed 0.1 CV

(9uA).

+ 105 °C

2.4

Power Dissipation: Power dissipation will be affected

by the heat sinking capability of the mounting surface.

Non-sinusoidal ripple current may produce heating

effects which differ from those shown. It is important

that the equivalent I_rmsvalue be established when

calculating permissible operating levels. (Power

Dissipation calculated using + 25 °C temperature rise.

GUIDE TO APPLICATION

A-C Ripple Current: The maximum allowable ripple

current shall be determined from the formula:

Maximum Permissible

Case Code

Power Dissipation

at + 25 °C (Watts) in Free Air

---------------

rms

ESR

0.085

0.150

0.125

where,

P =

Power Dissipation in Watts at + 25 °C as

given in the table in Paragraph Number 2.4

(Power Dissipation)

The capacitor Equivalent Series

Resistance at the specified frequency.

Reverse Voltage: These capacitors are capable of

withstanding peak voltages in the reverse direction

equal to 10 % of the DC rating at + 25 °C, 5 % of the DC

rating at + 85 °C and 1 % of the DC rating at + 105 °C.

R_ESR

A-C Ripple Voltage: The maximum allowable ripple

voltage shall be determined from the formula:

Recommended rated working voltage guidelines:

= Z ---------------

rms

ESR

Application

Voltage

(V)

Recommended Capacitor

Voltage Rating

(V)

or, from the formula:

= I

× Z

rms

3.2

5.0

8.0

12.8

4.0

6.3

where,

P =

Power Dissipation in Watts at + 25 °C as

given in the table in Paragraph Number 2.4

(Power Dissipation).

R_ESR

Z =

The capacitor Equivalent Series

Resistance at the specified frequency.

The capacitor impedance at the specified

frequency.

Printed Circuit Board Materials: Type 255D is

compatible with commonly used printed circuit board

materials (alumina substrates, FR4, FR5, G10,

PTFE-fluorocarbon and porcelanized steel).

2.1

2.2

2.3

The sum of the peak AC voltage plus the applied DC

voltage shall not exceed the DC voltage rating of the

capacitor.

Attachment:

The sum of the negative peak AC voltage plus the

applied DC voltage shall not allow a voltage reversal

exceeding 10 % of the DC working voltage at + 25 °C.

6.1

Solder Paste: The recommended thickness of the

solder paste after application is 0.007" 0.001"

[0.178 mm 0.025 mm]. Care should be exercised in

selecting the solder paste. The metal purity should be

as high as practical. The flux (in the paste) must be

active enough to remove the oxides formed on the

metallization prior to the exposure to soldering heat. In

practice this can be aided by extending the solder

preheat time at temperatures below the liquidous state

of the solder.

Temperature Derating: If these capacitors are to be

operated at temperatures above

+ 25 °C, the

permissible rms ripple current or voltage shall be

calculated using the derating factors as shown:

Document Number: 40052

Revision: 27-Apr-05

For technical questions, contact: tantalum@vishay.com

www.vishay.com

255D

Organic Polymer, Low ESR, Tantalum Capacitors

Commercial, Surface Mount Capacitors for

Switch Mode Power Supplies and Converters

Vishay Sprague

GUIDE TO APPLICATION (Continued)

6.2

Soldering: Capacitors can be attached by

conventional soldering techniques - vapor phase,

infrared reflow, wave soldering and hot plate methods.

The Soldering Profile charts show recommended

time/temperature conditions for soldering. Attachment

with a soldering iron is not recommended due to the

difficulty of controlling temperature and time at

temperature. If hand soldering is necesary, the

soldering iron must never come in contact with the

capacitor.

intended to be a starting point for circuit board designers and

may be fine tuned if necessary based upon the peculiarities of

the soldering process and/or circuit board design.

REFLOW SOLDER PADS*

in inches [millimeters]

RECOMMENDED REFLOW SOLDERING PROFILE

Recommended SnPb Reflow Soldering Profile

225 ˚C

10 sec

217 ˚C

CASE

CODE

WIDTH

(A)

PAD METALIZATION SEPARATION

200 ˚C

60 sec

(B)

(C)

0.061 [1.54]

0.018 [3.0]

0.085 [2.15]

0.106 [2.70]

0.065 [1.65]

0.175 [4.45]

130 ˚C

60 - 90 sec

Preheat

25 ˚C

Cleaning (Flux Removal) After Soldering: The 255D

is compatible with all commonly used solvents such as

TES, TMS, Prelete, Chlorethane, Terpene and

aqueous cleaning media. However, CFC/ODS

products are not used in the production of these

devices and are not recommended. Solvents

containing methylene chloride or other epoxy solvents

should be avoided since these will attack the epoxy

encapsulation material.

TIME (SECONDS)

All Case Codes

Recommended Pb Free Reflow Soldering Profile

240 ˚C

10 sec

217 ˚C

200 ˚C

60 sec

9.1

10.

When using ultrasonic cleaning, the board may

resonate if the output power is too high. This vibration

can cause cracking or a decrease in the adherence-of

the termination. DO NOT EXCEED 9 W/L at 40 kHz for

2 minutes.

130 ˚C

60 - 150 sec

Preheat

25 ˚C

TIME (SECONDS)

All Case Codes

Leakage Current: Slight increases in DC leakage may

be observed occassionally following normal reflow

solderind conditions, unbiased high-temp storage,

elevated levels of humidity exposure, and temperature

cycling. In such instances, the leakage will typically

decrease when voltage is applied to the device.

Recommended Mounting Pad Geometries: Proper mounting

pad geometries are essential for successful solder

connections. These dimensions are highly process sensitive

and should be designed to minimize component rework due to

unacceptable solder joints. The dimensional configurations

shown are the recommended pad geometries for both wave

and reflow soldering techniques. These dimensions are

www.vishay.com

For technical questions, contact: tantalum@vishay.com

Document Number: 40052

Revision: 27-Apr-05

255D

Organic Polymer, Low ESR, Tantalum Capacitors

Commercial, Surface Mount Capacitors for

Switch Mode Power Supplies and Converters

Vishay Sprague

TAPE AND REEL PACKAGING in inches [millimeters]

0.157 ± 0.004

[4.0 ± 0.10]

K Max.

0.059 + 0.004 - 0.0

[1.5 + 0.010 - 0.0]

0.024

[0.600]

Max

0.069 ± 0.004

[1.75 ± 0.10]

0.079 ± 0.002

[2.0 ± 0.050]

A₀

K₀

B₁Max.

Top Cover Tape

₁Min.

Direction of Feed

B₁

(Max.)

D₁

(Min.)

TAPE

SIZE

A₀B₀K₀

(Max.)

0.323

[8.2]

0.059

[1.5]

0.217 0.002

[5.5 0.05]

0.177

[4.5]

0.315 0.004 0.472 0.012 Notes: A₀B₀K₀are determined by component size.

12 mm

[8.0 1.0]

[12.0 0.30]

The clearance between the component and the cavity

must be within 0.002" [0.05 mm] minimum to 0.020"

[0.50 mm] maximum for 8 mm tape and 0.002" [0.05

mm] minimum to 0.026" [0.65 mm] maximum for 12

mm tape.

Standard orientation is with

the cathode (-) nearest to the

sprocket holes per EIA-481-1

and IEC 286-3.

Tape and Reel Specifications: All case codes are available on

plastic embossed tape per EIA-481-1. Tape reeling per IEC 286-3 is

also available. Standard reel diameter is 7” [178 mm]. 13" [330 mm]

reels are available.

Top Cover

Tape Thickness

The most efficient packaging quantities are full reel increments on a

given reel diameter. The quantities shown allow for the sealed empty

pockets required to be in conformance with EIA-481-1. Reel size

must be specified in the Vishay SpragueVishay Sprague^®part

number.

Carrier

Embossment

Cathode (-)

Units Per Reel

Tape Component

Case Code

Anode (+)

7" [178]

Reel

13" [330]

Reel

Width

Pitch

Direction of Feed

12 mm

4 mm

2000

500

8000

2500

1000

Document Number: 40052

Revision: 27-Apr-05

For technical questions, contact: tantalum@vishay.com

www.vishay.com

255D156X025V2W80 [VISHAY]

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