SF08U4592ATL datasheet, PDF - EEWORLD Datasheet

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SF08U4592ATL: DescriptionFixed Resistor, Metal Film, 0.1W, 45900ohm, 100V, 0.05% +/-Tol, 25ppm/Cel, Surface Mount, 0805, CHIP; CategoryPassive components The resistor; File Size657KB，10 Pages; ManufacturerWalsin Technology Corporation; Environmental Compliance

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SF08U4592ATL Overview

Fixed Resistor, Metal Film, 0.1W, 45900ohm, 100V, 0.05% +/-Tol, 25ppm/Cel, Surface Mount, 0805, CHIP

SF08U4592ATL Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	145047274833
package instruction	CHIP
Reach Compliance Code	compliant
Country Of Origin	Mainland China
ECCN code	EAR99
YTEOL	7.6
Other features	ANTI-SULFUR, HIGH PRECISION
structure	Rectangular
Installation features	SURFACE MOUNT
Number of terminals	2
Maximum operating temperature	155 °C
Minimum operating temperature	-55 °C
Package height	0.5 mm
Package length	2 mm
Package form	SMT
Package width	1.25 mm
method of packing	TR, PAPER, 7 INCH
Rated power dissipation(P)	0.1 W
Rated temperature	70 °C
resistance	45900 Ω
Resistor type	FIXED RESISTOR
size code	0805
surface mount	YES
technology	METAL FILM
Temperature Coefficient	25 ppm/°C
Terminal shape	WRAPAROUND
Tolerance	0.05%
Operating Voltage	100 V

SF08U4592ATL Preview

Approval Sheet

SF25U,SF20U,SF10U,SF12U,SF08U,

SF06U,SF04U

1.0%, 0.5%,

0.25%,

0.1%, 0.05%

TC25

High Precision 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: 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 SFxxU

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Approval Sheet

QUICK REFERENCE DATA

Item

Series No.

Size Code

SF25U

2512

(6432)

Resistance

Tolerance

Resistance Range

4.7 ~

3M

TCR

Max. Dissipation at

amb

=70C

Max. Operation

Voltage

Max. Overload

Voltage

Operation

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

Rated

Pow er



Resistance

Value

General Specification

SF20U

2010

(5025)

SF10U

1210

(3225)

SF12U

1206

( 3216 )

SF08U

0805

( 2012 )

SF06U

0603

( 1608 )

SF04U

0402

( 1005 )

1.0%, 0.5%, 0.25%, 0.1%, 0.05%

4.7 ~

3M

4.7 ~

2.49M

4.7 ~

2.49M

25

ppm/C

3/4W

200V

400V

1/2W

200V

400V

1/4W

200V

400V

1/8W

200V

400V

- 55~ +155’C

1/10W

100V

200V

1/16W

50V

100V

1/16W

25V

50V

4.7 ~

2M

4.7 ~

1M

10 ~

255K

or Max. RCWV listed above, whichever is lower.

Tolerance :

0.01%

is upon requested

DIMENSIONS: (unit:mm)

Type

SF25U

6.35



0.10

3.20



0.15

0.60



0.20

0.90



0.25

0.55



0.10

SF20U

5.00



0.10

2.50



0.15

0.60



0.20

0.60



0.25

0.55



0.10

Protective coat

SF10U

3.10



0.10

2.60



0.15

0.50



0.20

0.50



0.20

0.55



0.10

SF12U

3.05



0.15

1.55



0.15

0.40



0.20

0.40



0.20

0.55



0.15

SF08U

2.00



0.10

1.25



0.10

0.25



0.20

0.40



0.20

0.50



0.15

SF06U

1.55



0.10

0.80



0.10

0.25



0.15

0.30



0.15

0.45



0.15

SF04U

1.00



0.10

0.50



0.05

0.15



0.10

0.25



0.10

0.30



0.05

End termination

Resistive layer

Ceramic Substrate

1001

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Approval Sheet

MARKING



3-digits marking for 0603 size

SFxxU has same marking rule as WRxx ±1%.

3-digits marking（1%

: 0603）

Nominal resistance

1.E-24 series

2.E-96 series

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=10

，B=10

，C=10

，D=10

，E=10

，F=10

EX :

17.8Ω=25X，178Ω=25A，1K78 =25B

17K8=25C， 178K=25D， 1M78=25E

3. Remark

CODE

R_value

CODE

R_value

Description

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

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 976 the R is used as a digit. For values of 100 or greater, the

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

Example

RESISTANCE

4-digits marking

10

10R0

12

12R0

100

1000

6800

6801

47000

4702



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

0.5%, 0.25%, 0.1%.

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

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