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SF06U2083DTL

更新时间：2025-07-13 08:56:35

品牌：WALSIN

描述：208000Ω, ±0.5%, ≦±25, 1/16W

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SF06U2083DTL 概述

208000Ω, ±0.5%, ≦±25, 1/16W

SF06U2083DTL 数据手册

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Approval Sheet

SF25T&U, SF20T&U, SF10T&U, SF12T&U,

SF08T&U, SF06T&U, SF04T&U

ê1.0%, ê0.5%, ê0.25%, ê0.1%, ê0.05%

TC50 , TC25

Anti-Sulfuration 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_SFxxT&U_V02

MAY - 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: 50 & 25 ppm/K and below per customer request

4. Low current noise

5. Sulfuration resistant against ASTM B-809

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 SFxxT&U

Page 2 of 10

ASC_SFxxT&U_V02

MAY - 2018

Approval Sheet

QUICK REFERENCE DATA

Item

General Specification

Series No.

SF25T&U

2512

SF20T&U

2010

SF10T&U

SF12T&U

1206

SF08T&U

SF06T&U

SF04T&U

0402

1210

0805

0603

Size Code

(6432)

(5025)

(3225)

( 3216 )

( 2012 )

( 1608 )

( 1005 )

Resistance

Tolerance

ê1.0%, ê0.5%, ê0.25%, ê0.1%, ê0.05%

1W ~

3MW

4.7W ~

3MW

4.7W ~

2.5MW

1W ~

4.7W ~

2MW

4.7W ~

1MW

10W ~

Resistance Range

2.5MW

255KW

TCR

ê50 / 25 ppm/èC

Max. Dissipation at

3/4W

200V

400V

1/2W

200V

400V

1/4W

200V

400V

1/8W

1/10W

100V

200V

1/16W

50V

1/16W

25V

T_amb=70èC

Max. Operating

Voltage

200V

400V

Max. Overload

Voltage

100V

50V

Operating

Temperature

- 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)

SF25T

SF20T

SF10T

SF12T

SF08T

SF06T

SF04T

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

Page 3 of 10

ASC_SFxxT&U_V02

MAY - 2018

Approval Sheet

MARKING

3-digits marking for 0603 size

SFxxT / U 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

Page 4 of 10

ASC_SFxxT&U_V02

MAY - 2018

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.

Page 5 of 10

ASC_SFxxT&U_V02

MAY - 2018

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. 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

Page 6 of 10

ASC_SFxxT&U_V02

MAY - 2018

Approval Sheet

CATALOGUES NUMBERS

The resistors have a catalogue number starting with .

SF04

U / T

xxxx

Resistance code

E192+E24:

Size code

Type code

Tolerance

F : ê1.0%

D : ê0.5%

C: ê0.25%

B : ê0.1%

A : ê0.05%

Packaging code

Termination code

SF25: 2512 T: TCR = 50 ppm

SF20: 2010 U: TCR = 25 ppm

SF10: 1210

T : 7” Taped & Reeled L : Sn base

(lead free)

3 significant digits followed

by no. of zeros

102W

37.4KW =3742

220W =2200

=1020

SF12: 1206

SF08: 0805

SF06: 0603

SF04: 0402

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

Page 7 of 10

ASC_SFxxT&U_V02

MAY - 2018

Approval Sheet

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

REQUIREMENT

TEST

PROCEDURE

Resistor

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. ±(0.1%+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. ±(0.1%+0.05W)

good tinning (>95% covered)

Solder ability

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. ±(0.25%+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(0.25%+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

10G

Apply the maximum overload voltage (DC) for 1minute

Clause 4.6

Dielectric

Withstand

Voltage

Apply the maximum overload voltage (AC) for 1 minute

Sulfur 480 hours, 60 C, unpowered

No breakdown or flashover

Clause 4.7

Flower of Sulfur

DR/R max. ±(1.0%+0.05W)

ASTM-B-809-95

Page 8 of 10

ASC_SFxxT&U_V02

MAY - 2018

Approval Sheet

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

Page 9 of 10

ASC_SFxxT&U_V02

MAY - 2018

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

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 )

Page 10 of 10

ASC_SFxxT&U_V02

MAY - 2018

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