SF04Q1020ATLA [WALSIN]

SMD metal film resistor;


型号：	SF04Q1020ATLA
厂家：	Walsin Technology
描述：	SMD metal film resistor
文件：	总10页 (文件大小：2144K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

Approval sheet

SF25Q&R_A, SF20Q&R _A, SF10Q&R_A,

SF12Q&R_A, SF08Q&R_A, SF06Q&R_A,

SF04Q&R_A

ê1.0%, ê0.5%, ê0.25%, ê0.1%, ê0.05%

TC50 , TC25

High Precision Power Thin Film chip

resistors

Size: 2512,2010,1210,1206,0805,0603,0402

(Anti-Sulfuration )

*Contents in this sheet are subject to change without prior notice.

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Approval sheet

FEATURE

1. SMD metal film resistor

2. High reliability and stability of 0.5% and below per customer request

3. High performance of TCR: 50 25 ppm/K and below per customer request

4. Low current noise

5. Sulfuration resistant Oil 105’C +3.5% Sulfur powder x 500hrs

6. RoHS compliant and Lead free products

APPLICATION

Medical equipment

Measuring instrument

Communication device

Computer

Printer

DESCRIPTION

The resistors are constructed in a high grade ceramic body (aluminum oxide). Internal metal electrodes are

added at each end and connected by a resistive layer that is applied to the top surface of the substrate. The

composition of the resistive layer is adjusted to give the approximate resistance required and the value is

trimmed to nominated value within tolerance which controlled by laser trimming of this resistive layer.

The resistive layer is covered with a protective coat. Finally, the two external end terminations are added. For

environmental soldering issue, the outer layer of these end terminations is a Lead-free solder .

Fig 1. Construction of Chip-R SFxxQ&R_A

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Approval sheet

QUICK REFERENCE DATA

Item

General Specification

SF25Q&R

SF20Q&R

SF10Q&R

SF12Q&R

SF08Q&R

SF06Q&R

SF04Q&R

Series No.

Size Code

2512

(6432)

2010

1210

(3225)

1206

0805

0603

0402

(5025)

( 3216 )

( 2012 )

( 1608 )

( 1005 )

Resistance Tolerance

Resistance Range

ê1.0%, ê0.5%, ê0.25%, ê0.1%, ê0.05%

4.7W ~

3MW

4.7W ~

2.5MW

1W ~

2.5MW

4.7W ~

2MW

4.7W ~

1MW

10W

~255KW

1W ~ 3MW

TCR

ê50 & 25 ppm/èC

3/4W

2/5W

1/4W

1/8W

1/10W

Max. Dissipation at T_amb=70èC

Max. Operating Voltage

Max. Overload Voltage

200V

400V

200V

400V

200V

400V

200V

400V

150V

300V

75V

50V

150V

100V

Operating Temperature Range

- 55~ +155èC

Note :

This is the maximum voltage that may be continuously supplied to the resistor element, see “IEC publication

60115-8”

Max. Operation Voltage : So called RCWV (Rated Continuous Working Voltage) is determined by

RCWV = RatedPower ìResistance Value or Max. RCWV listed above, whichever is lower.

Tolerance : ê0.01% is upon requested

DIMENSIONS: (unit:mm)

SF25

SF20

SF10

SF12

SF08

SF06

SF04

Type

6.35 ê 0.10

3.20 ê 0.15

0.60 ê 0.20

0.90 ê 0.25

0.55 ê 0.10

5.00 ê 0.10

2.50 ê 0.15

0.60 ê 0.20

0.60 ê 0.25

0.55 ê 0.10

3.10 ê 0.10

2.60 ê 0.15

0.50 ê 0.20

0.55 ê 0.10

3.05 ê 0.15

1.55 ê 0.15

0.40 ê 0.20

0.55 ê 0.15

2.00 ê 0.10

1.25 ê 0.10

0.25 ê 0.20

0.40 ê 0.20

0.50 ê 0.15

1.55 ê 0.10

0.80 ê 0.10

0.30 ê 0.15

0.45 ê 0.15

1.00 ê 0.10

0.50 ê 0.05

0.30 ê 0.15

0.35 ê 0.05

Protective coat

End termination

Resistive layer

Ceramic Substrate

1001

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Approval sheet

MARKING

3-digits marking for 0603 size

SFxxR_A has same marking rule as WRxx ±1%.

3-digits marking ê1% : 0603

Nominal resistance

Description

1.E-24 series

2.E-96 series

As 0603 WR06X ê5%.

The 1st two digit codes are referring to the CODE on the table, the 3rd code is the index of resistance

value :

Y=10^-2X=10^-1A=10⁰B=10¹C=10²D=10³E=10⁴F=10⁵

EX :

17.8 =25X 178 =25A 1K78 =25B

17K8=25C 178K=25D 1M78=25E

3. Remark

There is no marking for the items are not under E-24 and E-96 series

CODE R_value CODE R_value CODE R_Value CODE R_value CODE R_value CODE R_value CODE R_value CODE R_value

100

102

105

107

110

113

115

118

121

124

127

130

133

137

140

143

147

150

154

158

162

165

169

174

178

182

187

191

196

200

205

210

215

221

226

232

237

243

249

255

261

267

274

280

287

294

301

309

316

324

332

340

348

357

365

374

383

392

402

412

422

432

442

453

464

475

487

499

511

523

536

549

562

576

590

604

619

634

649

665

681

698

715

732

750

768

787

806

825

845

866

887

909

931

953

976

4-digits marking for 2512, 2010, 1210, 1206, 0805 size

For E24+E96, each resistor is marked with a four digits code on the protective coating to designate the

nominal resistance value. For values below 97W6 the R is used as a digit. For values of 100W or greater, the

first 3 digits are significant, the fourth digit indicates the number of multiple to follow.

Example

RESISTANCE

10W

12W

100W

6800W

47000W

10R0

12R0

1000

6801

4702

4-digits marking

No marking code for 0402 size

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Approval sheet

FUNCTIONAL DESCRIPTION

Product characterization

Standard values of nominal resistance are taken from the E192 & E24 series for resistors with a tolerance of

ê0.5%, ê0.25%, ê0.1%. The values of the E24/E192 series are in accordance with “IEC publication 60063”

Derating

The power that the resistor can dissipate depends on the operating temperature; see Fig.2

MOUNTING

Due to their rectangular shapes and small tolerances, Surface Mountable Resistors are suitable for handling by

automatic placement systems.

Chip placement can be on ceramic substrates and printed-circuit boards (PCBs).

Electrical connection to the circuit is by individual soldering condition.

The end terminations guarantee a reliable contact.

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Approval sheet

SOLDERING CONDITION

The robust construction of chip resistors allows them to be completely immersed in a solder bath of 260èC for 10

seconds. Therefore, it is possible to mount Surface Mount Resistors on one side of a PCB and other discrete

components on the reverse (mixed PCBs).

Surface Mount Resistors are tested for solderability at 235èC during 2 seconds within lead-free solder bath. The

test condition for no leaching is 260èC for 30 seconds. Typical examples of soldering processes that provide

reliable joints without any damage are given in Fig 3. and Table 1.

Fig. 3 Infrared soldering profile for Chip Resistors

Table 1. Infrared soldering condition for Chip Resistors

Temperature Condition

Average ramp-up rate (217èC to 260èC)

Between 150 and 200èC

> 217èC

Exposure Time

Less than 3èC/second

Between 60-120 seconds

Between 60-150 seconds

260ºC +0/-5èC

Peak Temperature

Min. 30 seconds

Time within 245èC

Ramp-down rate (Peak to 217èC)

Time from 25èC to Peak

Less than 6èC/second

No greater than 480 seconds

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Approval sheet

CATALOGUES NUMBERS

The resistors have a catalogue number starting with .

SF04

Q/R

xxxx

Special code

Packaging

code

Termination

code

Size code Type code Resistance code

Tolerance

F : ê1.0%

D : ê0.5%

C: ê0.25%

B : ê0.1%

A : ê0.05%

Q: TCR=50ppm

R: TCR=25ppm

( High power)

SF25: 2512

SF20: 2010

SF10: 1210

SF12: 1206

SF08: 0805

SF06: 0603

SF04: 0402

E192+E24:

A = Antisulfur

Under Oil

105’C+3.5%

Sulfur powder

500hrs

T:Taped & Reeled L= Sn base

(lead free)

3 significant digits

followed by no. of zeros

102W

37.4KW =3742

220W =2200

=1020

* Anti-Sulfur test conditions: Oil 105’C, 3.5% Sulfur powder, 500hrs, acceptance criteria: +/-1.0%

1. Reeled tape packaging: 8mm width paper taping.

5,000pcs/reel for SF10, SF12, SF08, SF06

10,000pcs/reel for SF04

2. Reeled tape packaging: 12mm width paper taping

4,000pcs/reel for SF25, SF20

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Approval sheet

TEST AND REQUIREMENTS(JIS C 5201-1 : 1998)

REQUIREMENT

Resistor

TEST

PROCEDURE

DC resistance

DC resistance values measured at the test voltages specified below :

Within the specified tolerance

Clause 4.5

Natural resistance change per change in degree centigrade.

R₂- R

ì10⁶(ppm/èC)

Temperature Coefficient

of Resistance(T.C.R)

R t₂- t₁

Refer

“QUICK REFERENCE DATA”

R₁: Resistance at reference temperature

R₂: Resistance at test temperature

t₁: 20°C+5°C-1°C

Clause 4.8

Short

time

overload

Permanent resistance change after a 5second application of a voltage

(S.T.O.L)

2.5 times RCWV or the maximum overload voltage specified in the DR/R max. ±(0.2%+0.05W)

above list, whichever is less.

Clause 4.13

Resistance to soldering

heat(R.S.H)

Clause 4.18

no visible damage

Un-mounted chips completely immersed for 10±1second in a SAC

solder bath at 260 ±5ºC

D R/R max. ±(0.25%+0.05W)

good tinning (>95% covered)

Solderability

Un-mounted chips completely immersed for 2±0.5 second in a SAC

solder bath at 235 ±5

no visible damage

Clause 4.17

30 minutes at -55èCê3èC, 2~3 minutes at 20°C+5°C/-1°C, 30 minutes

at +125èCê3èC, 2~3 minutes at 20°C+5°C/-1°C, total 5 continuous

cycles

no visible damage

Temperature cycling

Clause 4.19

DR/R max. ±(0.5%+0.05W)

Load life (endurance)

1000 +48/-0 hours, loaded with RCWV or Vmax in chamber controller

70±2ºC, 1.5 hours on and 0.5 hours off

DR/R max. ê(0.5%+0.05W)

DR/R max. ±(0.1%+0.05W)

Clause 4.25

1000 +48/-0 hours, loaded with RCWV or Vmax in humidity chamber

controller at 40èCê2èC and 90~95% relative humidity, 1.5hours on and

0.5 hours off

Humidity

Clause 4.24

Bending strength

Clause 4.33

Adhesion

Resistors mounted on a 90mm glass epoxy resin PCB(FR4); bending :

3 mm, once for 10 seconds.

No remarkable damage or

removal of the terminations.

Pressurizing force: 5N, Test time: 10±1sec.

Clause 4.32

Insulation Resistance

10GΩ

Apply the maximum overload voltage (DC) for 1minute

Clause 4.6

Dielectric

Withstand

Voltage

Apply the maximum overload voltage (AC) for 1 minute

No breakdown or flashover

Clause 4.7

Soaked in industrial oil with 3.5% sulfur concentration 105°C ± 3°C,

500 hours

Sulfuration Test

DR/R max. ±(1%+0.1W)

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PACKAGING

Paper Tape specifications (unit :mm)

Series No.

SF25

6.90±0.20

5.50±0.20

3.60±0.20

2.40±0.20

1.90±0.20

1.20±0.10

3.60±0.20

2.80±0.20

2.00±0.20

3.00±0.20

1.65±0.20

1.10±0.20

0.7±0.10

12.00±0.30

8.00±0.30

8.00±0.20

5.50±0.10

3.50±0.20

3.50±0.05

1.75±0.10

SF20

SF12

SF10

SF08

SF06

SF04

Series No.

SF12

+0.1

4.00±0.10

Max. 1.0

F1.50

-0.0

+0.1

SF25

SF20

SF10

SF08

SF06

4.00±0.10

Max 1.2

Max. 1.0

0.65±0.05

F1.50

-0.0

+0.1

-0.0

F1.50

+0.1

-0.0

F1.50

+0.1

-0.0

F1.50

+0.1

-0.0

F1.50

+0.1

-0.0

2.00±0.10

4.00±0.10

0.40±0.05

SF04

F1.50

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Approval sheet

Reel dimensions

SF25 , SF20

Symbol

(unit : mm)

13.0±0.2

14.0±0.5

F178.0±2.0

F60.0±1.0

SF12 , SF10 , SF08 , SF06 , SF04

Symbol

(unit : mm)

13.0±0.2

9.0±0.5

F178.0±2.0

F60.0±1.0

SF02

Symbol

+0.0

-1.5

+0.0

-1.5

+1.0

-0.0

13.0±0.2

(unit : mm)

F180

F60

Taping quantity

Chip resistors 4,000 pcs per reel ( SF25, SF20 )

Chip resistors 5,000 pcs per reel ( SF10, SF12, SF08, SF06 )

Chip resistors 10,000 pcs per reel ( SF04 )

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SF04Q1020ATLA [WALSIN]

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