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WF06W2290BTL

更新时间：2025-07-06 09:18:47

品牌：WALSIN

描述：229Ω, ±0.1%, ≦±10, 1/10W

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WF06W2290BTL 概述

229Ω, ±0.1%, ≦±10, 1/10W

WF06W2290BTL 数据手册

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Approval Sheet

WF25F/W, WF20F/W, WF10F/W, WF12F/W,

WF08F/W, WF06F/W, WF04F/W.

±1%, ±0.5%, ±0.25%, ±0.1%, ±0.05%, ±0.01%

TC15 .TC10

High Precision Thin Film Chip Resistors

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

0402.

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

Page 1 of 10

ASC_WFxxF&W_V03

NOV - 2018

Approval Sheet

FEATURE

1. SMD metal film resistor

2. High reliability and stability of 0.25% and below per customer request

3. High performance of TCR: 15 & 10 ppm/K and below per customer request

4. Low current noise

5. RoHS compliant and lead free

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 WFxxF&W

Page 2 of 10

ASC_WFxxF&W_V03

NOV - 2018

Approval Sheet

QUICK REFERENCE DATA

Item

General Specification

WF25F&W WF20F&W WF10F&W WF12F&W WF08F&W WF06F&W WF04F&W

Series No.

Size Code

2512

2010

1210

1206

0805

0603

0402

(6432)

(5025)

(3225)

(3216)

(2012)

(1608)

(1005)

Resistance

Tolerance

±1.0%, ±0.5%, ±0.25%, ±0.1%, ±0.05%, ±0.02%,±0.01%

Resistance Range

10Ω ~

1.5MΩ

10Ω ~

1MΩ

10Ω ~

600KΩ

4.7Ω ~

500KΩ

4.7Ω ~

400KΩ

4.7Ω ~

200KΩ

10Ω ~

100KΩ

TCR

±15 & 10 ppm/°C

Max. Dissipation at

3/4W

200V

400V

2/5W

200V

400V

1/4W

1/8W

150V

300V

1/10W

75V

1/10W

50V

T_amb=70°C

Max. Operation

Voltage

200V

400V

200V

400V

Max. Overload

Voltage

150V

100V

Operating

- 55~ +155’C

Temperature

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 ×Resistance Value or Max. RCWV listed above, whichever is lower.

DIMENSIONS:(unit:mm)

WF25

WF20

WF10

WF12

WF08

WF06

WF04

Type

6.35 ± 0.10

3.20 ± 0.15

0.60 ± 0.20

0.90 ± 0.25

0.55 ± 0.10

5.00 ± 0.10

2.50 ± 0.15

0.60 ± 0.20

0.60 ± 0.25

0.55 ± 0.10

3.10 ± 0.10

2.60 ± 0.15

0.50 ± 0.20

0.55 ± 0.10

3.05 ± 0.15

1.55 ± 0.15

0.40 ± 0.20

0.55 ± 0.15

2.00 ± 0.10

1.25 ± 0.10

0.25 ± 0.20

0.40 ± 0.20

0.50 ± 0.15

1.55 ± 0.10

0.80 ± 0.10

0.25 ± 0.15

0.30 ± 0.15

0.45 ± 0.15

1.00 ± 0.10

0.50 ± 0.05

0.30 ± 0.15

0.35 ± 0.05

Protective coat

End termination

Resistive layer

Ceramic Substrate

1001

Page 3 of 10

ASC_WFxxF&W_V03

NOV - 2018

Approval Sheet

MARKING

3-digits marking for 0603 size

WFxxF / W has same marking rule as WRxx ±1%.

Nominal resistance

Description

1.E-24 series

2.E-96 series

As 0603 WR06X ±5%.

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

value :

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

EX :

17.8Ω=25X，178Ω=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 97Ω6 the R is used as a digit. For values of 100Ω or greater, the

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

Example

RESISTANCE

100Ω

6800Ω

47000Ω

1000

6801

4702

4-digits marking

No marking code for 0402 size

FUNCTIONAL DESCRIPTION

Product characterization

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

±1.0%, ±0.5%, ±0.25%, ±0.1%,±0.05%, ±0.01%.The values of the E24/E192 series are in accordance with

“IEC publication 60063”.

Page 4 of 10

ASC_WFxxF&W_V03

NOV - 2018

Approval Sheet

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.

Page 5 of 10

ASC_WFxxF&W_V03

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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 260°C 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 235°C during 2 seconds within lead-free solder bath. The

test condition for no leaching is 260°C for 30 seconds. Typical examples of soldering profile and condition 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 (217°C to 260°C)

Between 150 and 200°C

> 217°C

Exposure Time

Less than 3°C/second

Between 60-120 seconds

Between 60-150 seconds

260ºC +0/-5°C

Peak Temperature

Min. 30 seconds

Time within 245°C

Ramp-down rate (Peak to 217°C)

Time from 25°C to Peak

Less than 6°C/second

No greater than 480 seconds

Page 6 of 10

ASC_WFxxF&W_V03

NOV - 2018

Approval Sheet

CATALOGUE NUMBERS

The resistors have a catalogue number starting with .

WF06

xxxx

Size code

Type code

Resistance code

E192+E24:

Tolerance

T: ±0.01%

U: ±0.02%

A : ±0.05%

B : ±0.10%

C : ±0.25%

D : ±0.50%

F : ±1.00%

Packaging code

Termination code

WF25: 2512

WF20: 2010

WF10: 1210

WF12: 1206

WF08: 0805

WF06: 0603

WF04: 0402

F: TCR = 15 ppm

W:TCR= 10 ppm

T : “7” Taped & Reel L : lead free

R is first code followed by

3 significant digits.

100Ω

=1000

37.4KΩ =3742

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

5,000pcs/reel for WF10, WF12, WF08, WF06;

10,000pcs/reel for WF04.

2. Reeled tape packaging: 12mm width paper taping

4,000pcs/reel for WF25, WF20.

Page 7 of 10

ASC_WFxxF&W_V03

NOV - 2018

Approval Sheet

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

REQUIREMENT

TEST

PROCEDURE

Resistor

DC resistance

DC resistance values measured

Within the specified tolerance

Clause 4.5

Temperature

Coefficient of

Resistance(T.C.R)

Natural resistance change per change in degree Refer to

centigrade.

“ QUICK REFERENCE DATA “

R₂− R

×10⁶(ppm/°C)

Clause 4.8

(

t₂− t₁

)

R₁: Resistance at reference temperature

R₂: Resistance at test temperature

t₁: 20°C+5°C-1°C

t2 : 125°C+5°C-1°C

Short time overload

(S.T.O.L)

Permanent resistance change after

5second

∆R/R max. ±(0.1%+0.05Ω)

application of a voltage 2.5 times RCWV or the

maximum overload voltage specified in the above list,

whichever is less.

Clause 4.13

Resistance to

soldering

heat(R.S.H)

IEC 60068-2-

58:2004

Un-mounted

10±1second in a SAC solder bath at 260℃±5ºC

chips

completely

immersed

for no visible damage

∆ R/R max. ±(0.1%+0.05Ω)

Solderability

Un-mounted chips completely immersed for 2±0.5 good tinning (>95% covered)

second in a SAC solder bath at 235℃±5℃

IEC 60068-2-

58:2004

no visible damage

Temperature

cycling

no visible damage

30 minutes at -55°C±3°C, 2~3 minutes at 20°C+5°C-

1°C, 30 minutes at +155 °C±3°C, 2~3 minutes at

20°C+5°C-1°C, total 5 continuous cycles

∆R/R max. ±(0.25%+0.05Ω)

Clause 4.19

Load Life

70±2ºC, 1000 hours, loaded with RCWV or Vmax,1.5

∆R/R max. ±(0.25%+0.05Ω)

hours on and 0.5 hours off

(Endurance)

Clause 4.25

Humidity

1000 hours, at rated continuous working voltage in

humidity chamber controller at 40°C±2°C and 90~95%

relative humidity, 1.5hours on and 0.5 hours off

∆R/R max. ±(0.25%+0.05Ω)

∆R/R max. ±(0.1%+0.05Ω)

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.

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

No remarkable damage or removal of

the terminations.

Clause 4.32

Page 8 of 10

ASC_WFxxF&W_V03

NOV - 2018

Approval Sheet

PACKAGING

Paper Tape specifications (unit :mm)

Series No.

WF25

WF20

WF10

WF12

WF08

WF06

WF04

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

3.00±0.20

2.00±0.20

1.65±0.20

1.10±0.20

0.7±0.10

12.00±0.30

8.00±0.30

5.50±0.10

3.50±0.20

3.50±0.05

1.75±0.10

Series No.

WF25

ΦD

+0.1

4.00±0.10

Max 1.2

Φ1.50

−0.0

+0.1

WF20

WF10

WF12

WF08

WF06

WF04

4.00±0.10

2.00±0.10

4.00±0.10

Max 1.2

Max. 1.0

0.65±0.05

0.40±0.05

Φ1.50

−0.0

+0.1

−0.0

Φ1.50

+0.1

−0.0

Φ1.50

+0.1

−0.0

Φ1.50

+0.1

−0.0

Φ1.50

+0.1

−0.0

Φ1.50

Page 9 of 10

ASC_WFxxF&W_V03

NOV - 2018

Approval Sheet

Reel dimensions

Symbol

(unit : mm)

13.0±0.2

9.0±0.5

Φ178.0±2.0

Φ60.0±1.0

Taping quantity

Chip resistors 4,000 pcs per reel ( WF25, WF20 )

Chip resistors 5,000 pcs per reel ( WF10, WF12, WF08, WF06 )

Chip resistors 10,000 pcs per reel ( WF04 )

Page 10 of 10

ASC_WFxxF&W_V03

NOV - 2018

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