RK73Z

zero ohm jumper chip resistor

Part

Designation

Operating

Temperature

Range

Maximum

Continuous

Current@70°C

MaximumOverload

Current@70°C

(for < 1 second)

applications and ratings

Maximum

Resistance

RK73Z1E

RK73Z1J

RK73Z2B

RK73Z2E

RK73Z2H/W2H

RK73Z3A/W3A

RK73Z1H

0.5 Amps

2.0 Amps

2.0 Amps

10 Amp Max.

1.0 Amp Max.

RK73Z1F

0.5 Amps

1.0 Amp Max.

5 Amp Max.

50mΩ

RatedAmbient

Temperature

70°C

-55°C to +155°C

RK73Z2A

1.0 Amps

2 Amp Max.

DeratingCurve

environmental applications

100

80

60

40

20

-60

-40

-20

0

40

60

80

100

140

70

20

Ambient Temperature

(°C)

0

-55

120

155

125

1E, 1H, 1J, 2A

2B, 2E, 2H, 3A

1F

100

80

60

40

20

-60 -40 -20 0

40 60 80100

140

20

Terminal Part Temperature

(°C)

0

-55

120

155

125

1E, 1J, 2A, 2B

2E, W2H, W3A

-55°C to +125°C

Rated

TerminalPart

Temperature

125°C

—

For resistors operated at an ambient temperature of 70°C or above,

a current rating shall be derated in accordance with the above derating curve.

PerformanceCharacteristics

Parameter

Requirement

Limit

Typical

TestMethod

Resistance

25°C

50mΩ Max.

after the test

15mΩ Max.

after the test

Overload (Short time)

Maximum overload current for 5 seconds , 1 cycle

50mΩ Max.

after the test

18mΩ Max.

after the test

Resistance to Solder Heat

260°C ± 5°C, 10 seconds ± 1 second

50mΩ Max.

after the test

15mΩ Max.

after the test

Rapid Change of Temperature

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

50mΩ Max.

after the test

15mΩ Max.

after the test

Moisture Resistance

40°C ± 2°C, 90%-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle

100mΩ Max.

after the test

18mΩ Max.

after the test

Endurance at 70°C

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

100mΩ Max.

after the test

18mΩ Max.

after the test

High Temperature Exposure

+125°C, 1000 hours: 1F

+155°C, 1000 hours: 1H, 1E, 1J, 2A, 2B, 2E, W2H/2H, W3A/3A

100mΩ Max.

after the test

15mΩ Max.

after the test

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 derating curve.

Please refer to “Introduction of the derating curve based on the

terminal part temperature” on the beginning of our catalog before use.

45

KOASpeerElectronics,Inc. • 199BolivarDrive • Bradford,PA16701 • USA • 814-362-5536 • Fax:814-362-8883 • www.koaspeer.com

Specificationsgivenhereinmaybechangedatanytimewithoutpriornotice.Pleaseconfirmtechnicalspecificationsbeforeyouorderand/oruse.

11/27/14