MF04R74R1ATL datasheet, PDF - EEWORLD Datasheet

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MF04R74R1ATL: DescriptionFixed Resistor, Thin Film, 0.0625W, 74.1ohm, 50V, 0.05% +/-Tol, 25ppm/Cel, Surface Mount, 0402, CHIP; CategoryPassive components The resistor; File Size1MB，13 Pages; ManufacturerWalsin Technology Corporation; Environmental Compliance

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MF04R74R1ATL Overview

Fixed Resistor, Thin Film, 0.0625W, 74.1ohm, 50V, 0.05% +/-Tol, 25ppm/Cel, Surface Mount, 0402, CHIP

MF04R74R1ATL Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	145014986152
package instruction	CHIP
Reach Compliance Code	compliant
Country Of Origin	Mainland China
ECCN code	EAR99
YTEOL	9.2
Other features	PRECISION, RATED AC VOLTAGE (V): 50
structure	Rectangular
JESD-609 code	e3
Installation features	SURFACE MOUNT
Number of terminals	2
Maximum operating temperature	155 °C
Minimum operating temperature	-55 °C
Package height	0.3 mm
Package length	1 mm
Package form	SMT
Package width	0.5 mm
method of packing	TR, Paper, 7 Inch
Rated power dissipation(P)	0.0625 W
Rated temperature	85 °C
Guideline	AEC-Q200
resistance	74.1 Ω
Resistor type	FIXED RESISTOR
size code	0402
surface mount	YES
technology	THIN FILM
Temperature Coefficient	25 ppm/°C
Terminal surface	Tin (Sn)
Terminal shape	WRAPAROUND
Tolerance	0.05%
Operating Voltage	50 V

MF04R74R1ATL Preview

Approval Sheet

MF12Q/R, MF08Q/R, MF06Q/R, MF04Q/R

1%, 0.5%, 0.25%, 0.1%, 0.05%

TC50 , TC25

Precision Thin Film Chip Resistors

Size 1206, 0805, 0603, 0402

AEC-Q200 Qualified

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

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Approval Sheet

FEATURE

1. SMD TaN thin film resistor

2. Special passivation layer on resistive file

3. AEC-Q200 qualified

4. Products with lead free terminations meet RoHS requirements

5. Sulfur resistant (per ASTM B809-95 humid vapor test)

6. AEC-Q200 ESD rated class 1C (2 kV)

7. +/-0.02% is upon the customer request.

8. Laser trimmed to any value

9. 100% visual inspection

APPLICATION

Automotive electronics

Medical equipment

Measuring instrument

Industrial Equipment

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 MFxxQ

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ASC_MFxxQ&R

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Approval Sheet

QUICK REFERENCE DATA

Item

Series No.

Size code

Resistance Tolerance

Resistance Range

TCR (ppm/ C)

Max. dissipation at T

amb

=85 C

Max. Operation Voltage (DC or RMS)

Max. Overload Voltage (DC or RMS)

Operating Temperature Range

Note :

0.4W

200V

400V

~ 1M

MF12Q&R

1206 ( 3216 )

General Specification

MF08Q&R

0805 ( 2012 )

MF06Q&R

0603 ( 1608 )

MF04Q&R

0402 ( 1005 )

1%, 0.5%, 0.25%, 0.1%, 0.05%

~ 350K

~ 130K

~ 35K

50 / 25 ppm/ C

0.2W

100V

200V

- 55~ +155’C

0.15W

75V

150V

0.0625W

50V

100V

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 Power

Resistance

Value

or Max. RCWV listed above, whichever is lower.

DIMENSIONS:( unit:mm)

Type

MF12

3.10

1.60

0.40

0.60

0.10

0.20

0.15

MF08

2.00

1.25

0.35

0.40

0.50

0.10

0.20

0.15

MF06

1.55

0.80

0.3

0.30

0.45

0.10

0.20

0.15

MF04

1.00

0.50

0.25

0.30

0.10

0.05

0.15

0.10

Protective coat

End termination

Resistive layer

Ceramic Substrate

W T

01A

Page 3 of 13

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Aug - 2018

Approval Sheet

MARKING

3-digits marking for 0603 size

3-digits marking

Nominal resistance

1.E-24 series

2.E-96 series

0603 WF06U

1%.

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

EX :

B=10

17.8

C=10

=25X

D=10

=25A

E=10

F=10

1% : 0603

Description

178

1K78 =25B

1M78=25E

17K8=25C

3. Remark

CODE

R_value

CODE

R_value

178K=25D

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 1206, 0805 size

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

nominal resistance value. For non E24/E96 series, no marking is applied!

Example

RESISTANCE

4-digits marking

10R0

12R0

100

1000

6800

6801

47000

4702

No marking code for 0402 size

Page 4 of 13

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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

1%, 0.5%, 0.25%, 0.1%, 0.05%. 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.

Storage and Handling Condition:

Products are recommended to be used up within two years. Check solderability in case

shelf life extension is needed.

To store products with following condition:

Temperature : 5 to 40

Humidity

: 20 to 70% relative humidity

Caution:

a. Don’t store products in a corrosive environment such as sulfide, chloride gas, or acid. It

may cause oxidation of electrode, which easily be resulted in poor soldering.

b. To store products on the shelf and avoid exposure to moisture.

c. Don’t expose products to excessive shock, vibration, direct sunlight and so on.

Page 5 of 13

ASC_MFxxQ&R

Aug - 2018

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