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general purpose 2%, 5% tolerance

thick film chip resistor

features

•

Marking: No marking on 1F, 1H & 1E

sizes, black protective coat.

White, three-digit marking on

1J ~ 3A on black protective coat.

•

Products with lead-free terminations meet EU RoHS

requirements. EU RoHS regulation is not intended

for Pb-glass contained in electrode, resistor element

and glass.

•

AEC-Q200 Qualified: 0201 (1H), 0402 (1E), 0603 (1J), 0805

(2A), 1206 (2B), 1210 (2E), 2010 (2H/W2H), 2512 (3A/W3A)

dimensions and construction

(Inch Size Code)

Solder

Plating

Protective

Coating

Resistive Inner

Film

Electrode

Plating

(01005)

(0402)

(0201)

Type*

.015±.001 .007±.001 .004±.001 .004±.001 .005±.001

(0.4±0.02) (0.2±0.02) (0.10±0.03) (0.11±0.03) (0.13±0.02)

.024±.001 .012±.001 .004±.002 .006±.002 .009±.001

(0.6±0.03) (0.3±0.03) (0.1±0.05) (0.15±0.05) (0.23±0.03)

.039

(1.0

+.004

-.002

+0.1

-0.05

)

+.002

.02±.002 .008±.004 .01

-.004

.014±.002

(0.5±0.05) (0.2±0.1) (0.25

+0.05

) (0.35±0.05)

-0.1

Dimensions

inches

(mm)

Derating Curve

100

Ceramic

Substrate

100

1E, 1J, 2A, 2B, 2E, W2H,

W3A, 2H/W2H, 3A/W3A

% Rated Power

-60 -40

-55

(1206)

(2010)

(2512)

(0805)

(0603)

.063±.008 .031±.004 .012±.004 .012±.004 .018±.004

(1.6±0.2)

(0.8±0.1)

(0.3±0.1) (0.45±0.1)

(0.3±0.1)

.079±.008 .049±.004 .016±.008

(2.0±0.2) (1.25±0.1) (0.4±0.2)

.063±.008

.126±.008

(1.6±0.2)

(3.2±0.2)

.102±.008

(2.6±0.2)

.197±.008 .098±.008

(5.0±0.2)

(2.5±0.2)

.012

(0.3

+.008

-.004

+0.2

-0.1

)

.02±.004

(0.5±0.1)

1E, 1H, 1J, 2A, 2B, 2E, 2H,

3A, W2H, W3A

(1210)

W2H

(2010)

.016

(0.4

+.008

-.004

+0.2

-0.1

)

100 120

140

160 180

125

155

Ambient Temperature

(°C)

-20

100 120

140 160

125

155

Terminal Part Temperature

(°C)

For resistors operated at an ambient

temperature of 70°C or above, a power

rating shall be derated in accordance

with the above derating curve.

For resistors operated at a terminal part

temperature of described for each size or

above, a power rating shall be derated in

accordance with the above derating curve.

Please refer to “Introduction of the derating

curve based on the terminal part temperature”

on the beginning of our catalog before use.

.02±.012

(0.5±0.3)

.026±.006 .024±.004

(0.65±0.15) (0.6±0.1)

.016

(0.4

+.008

-.004

+0.2

)

-0.1

New Part #

ordering information

RK73B

Type

Size

W2H

W3A

* Parentheses indicate EIA package size codes.

Packaging

TX: 01005 only: 4mm width - 1mm pitch plastic embossed

TBL: 01005 only: 2mm pitch pressed paper

TA: 0201 only: 1mm pitch pressed paper

TC: 0201 only: 7" 2mm pitch pressed paper

(TC: 10,000 pcs/reel, TCM: 15,000 pcs/reel)

TCD: 0201 only: 10" 2mm pitch pressed paper

TPD: 0402 only: 10" plastic embossed

TPL: 0402 only: 2mm pitch punched paper

TP: 0402, 0603 & 0805: 7" 2mm pitch punched paper

TD: 0603, 0805, 1206 &1210: 7" 4mm pitch punched paper

TDD: 0603, 0805, 1206 &1210: 10" paper tape

TE: 0805, 1206, 1210, 2010 & 2512: 7" plastic embossed

TED: 0805, 1206, 1210, 2010 & 2512: 10" plastic embossed

For further information on packaging, please refer to Appendix A

W3A

(2512)

.248±.008 .122±.008

(6.3±0.2)

(3.1±0.2)

.026±.006

(0.65±0.15)

102

Tolerance

G: ±2%

J: ±5%

Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.

Termination

Material

T: Sn

(1F ~ 3A)

Contact factory

for below options:

L: SnPb

(1E, 1J, 2A, 2B,

2E, 2H, 3A)

G: Au

(1E ~ 2A:

10Ω ~ 1MΩ)

X: Bondable

(1J ~ 2E:

10Ω ~ 1MΩ)

Nominal

Resistance

2 significant

figures + 1

multiplier

“R” indicates

decimal on

value <10Ω

KOA Speer Electronics, Inc.

• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com

11/27/14

resistors

RK73B

RK73B

general purpose 2%, 5% tolerance

thick film chip resistor

applications and ratings

Part

Designation

RK73B1F

(01005)

RK73B1H

(0201)

RK73B1E

(0402)

RK73B1J

(0603)

T.C.R.

(x10

-6

/K)

±200

±250

±300

0~+300

±200

±400

±200

±400

±200

±400

±200

±400

±200

±400

±200

±400

±200

1.0W

±400

—

6.2MΩ - 22MΩ

0.75W

0.25W

0.50W

0.33W (0.5W*)

0.125W (0.25W*)

0.10W (0.125W*)

0.05W

0.063W (0.1W*)

0.03W

Power

Rating

@ 70°C

G±2%

E-24

Resistance Range

J±5%

E-24

Maximum

Working

Voltage

Maximum

Overload

Voltage

resistors

100kΩ - 1MΩ

100Ω - 91kΩ

10Ω - 91Ω

1Ω - 9.1Ω

10Ω - 10MΩ

—

1Ω - 10MΩ

—

1Ω - 1MΩ

1.1MΩ - 10MΩ

1Ω - 5.6MΩ

6.2MΩ - 10MΩ

10Ω - 1kΩ

1.1kΩ - 5.6MΩ

—

10Ω - 5.6MΩ

—

10Ω - 5.6MΩ

100kΩ - 1MΩ

100Ω - 91kΩ

10Ω - 91Ω

1Ω - 9.1Ω

10Ω - 10MΩ

1Ω - 9.1Ω

1Ω - 10MΩ

11MΩ - 22MΩ

1Ω - 1MΩ

1.1MΩ - 10MΩ

1Ω - 5.6MΩ

6.2MΩ - 22MΩ

1Ω - 1KΩ

1.1KΩ - 5.6MΩ

200V

6.2MΩ - 10MΩ

1Ω - 5.6MΩ

6.2MΩ - 22MΩ

1Ω - 5.6MΩ

200V

(500V*)

400V

(500V*)

400V

150V

200V

50V

100V

25V

50V

20V

30V

Rated

Operating

Terminal

Temperature

Part

Range

Temperature

-55°C to

+125°C

—

RK73B2B

(1206)

RK73B2E

(1210)

RK73B2A

(0805)

125°C

-55°C to

+155°C

RK73BW3A/3A

(2512)

RK73BW2H/2H

(2010)

Rated ambient temperature: +70°C

Rated voltage =

√Power

rating x resistance value or max. working voltage, whichever is lower

* Please refer to the “Higher Power Ratings” statement in the beginning of the catalog. Also, contact KOA prior to usage and for the max. working voltage

and max. overload voltage.

environmental applications

Parameter

Requirement

∆

R (%+0.1Ω)

Limit

Typical

—

Test Method

Performance Characteristics

Resistance

T.C.R.

Overload (Short time)

Resistance to Soldering Heat

Rapid Change of Temperature

Moisture Resistance

Endurance at 70°C

High Temperature Exposure

Within specified tolerance

Within specified T.C.R.

±2%

25°C

+25°C/-55°C and +25°C/+125°C

Rated Voltage x 2.5 for 5 seconds

(2B: Rated Voltage x 2 for 5 seconds)

260°C ± 5°C, 10 seconds ± 1 second

-55°C (30 minutes), +125°C (30 minutes), 100 cycles

40°C ± 2°C, 90%-95% RH, 1000 hours, 1.5 hr ON,

0.5 hr OFF cycle

70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle

+125°C, 1000 hours: 1F; +155°C, 1000 hours: 1E, 1H,

1J, 2A, 2B, 2E, 2H/W2H, 3A/W3A

12/05/14

±1%: 1F

±0.5%: Another

±0.5%: 1F~W3A

±1%: 1F~W3A (10Ω≤R≤1MΩ) (10Ω≤R≤1MΩ); ±1%: 1F~W3A

±3%: 1F~W3A (R<10Ω, R>1MΩ)

(R<10Ω, R>1MΩ)

±1%: 1F

±0.5%: Another

±2%: 1J, 2A, 2B

±3%: Another

±2%: 1J, 2A, 2B

±3%: Another

±1%

±0.5%: 1F

±0.3%: Another

±0.75%: 1J, 2A, 2B

±1.5%: 1F

±1%: Another

±0.75%: 1J, 2A, 2B

±1%: Another

±0.5%: 1F

±0.3%: Another

Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.

KOA Speer Electronics, Inc.

• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com