RK73-RT

flat chip resistors (anti-sulfuration)

15

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

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

10/30/08

Operating

Temperature

Range

Rated

Ambient

Temperature

Maximum

Surge

Current

Part

Designation*

Resistance

Current

Rating

applications and ratings

-55°C to +155°C

+70°C

RK73ZW2H

RK73Z1E

RK73Z1J

5A

10A

2A

1A

2A

50m

Ω max.

PMS 300 neg.

Black neg.

Maximum

Working

Voltage

Resistance Range

E24, E96

(D±0.5%)

E24, E96

(F±1%)

E24

(G±2%)

E24

(J±5%)

RK73B1E

RK73H1E

RK73B1J

RK73H1J

RK73B2A

RK73H2A

RK73B2B

RK73H2B

RK73B2E

RK73H2E

RK73BW2H

RK73HW2H

RK73BW3A

RK73HW3A

±100

±200

±100

±200

±100

±200

±100

±200

±100

Part

Designation

Maximum

Overload

Voltage

Operating

Temp.

Range

Rated

Ambient

Temp.

Power

Rating

@ 70°C

T.C.R.

(ppm/°C)

Max.

0.063W

0.1W

0.125W

0.25W

0.5W

0.33W

0.5W

0.33W

0.75W

1W

50V

100V

150V

200V

200V

400V

+70°C

100

Ω - 1MΩ

100

Ω - 1MΩ

––

100

Ω - 1MΩ

—

—

1.02k

Ω - 1MΩ

10

Ω - 1MΩ 10Ω - 1MΩ

10

Ω - 1MΩ

10

Ω - 1MΩ

10

Ω - 1MΩ

—

1.02M

Ω-10MΩ

100

Ω - 1MΩ

––

10

Ω - 10MΩ

10

Ω - 10MΩ

10

Ω - 10MΩ

—

-55°C

to

+155°C

1.02M

Ω-10MΩ

—

10

Ω - 1kΩ

1.1k

Ω - 1MΩ

—

—

±200

1.02M

Ω-10MΩ

10

Ω - 1kΩ

10

Ω - 10MΩ

±100

—

1.02k

Ω-1MΩ

—

10

Ω - 1MΩ

±200

1.02M

Ω-10MΩ

±100

—

10

Ω - 10MΩ

—

10

Ω - 10MΩ

—

—

1

Ω - 10MΩ

1

Ω - 10MΩ

1

Ω - 10MΩ

—

—

1

Ω - 1kΩ

1.1k

Ω - 1MΩ

1

Ω - 10MΩ

—

—

1

Ω - 10MΩ

—

1

Ω - 10MΩ

—

10

Ω - 1MΩ

±200

1.02M

Ω-10MΩ

10

Ω - 1MΩ

1.02M

Ω-10MΩ

—

100

Ω - 1kΩ

RK73H

RK73B

RK73Z2A

RK73Z2B

RK73Z2E

RK73ZW3A

Performance Characteristics

Parameter

RK73H, RK73B Requirement ∆ R

Limit

Typical

Test Method

Resistance

T.C.R.

25°C

+25°C/-55°C and +25°C/+125°C

Within specified

tolerance

Within specified

T.C.R.

—

—

Overload (Short time)

RK73B, RK73H Rated Voltage x 2.5 for 5 seconds

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

RK73Z: Max. surge current for 5 seconds

±2%

±0.8%

Resistance to Solder Heat

260°C ± 5°C, 10 seconds ± 1 second

±1%, ±3%*

±1%, ±0.5%**

Rapid Change of Temperature

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

±0.5%

±0.3%

Moisture Resistance

40°C ± 2°C, 90%-95% RH, 1000 hours,

1.5 hr ON, 0.5 hr OFF cycle

±2%: 1J, 2A, 2B

±3%: Another

±0.75%: 1J, 2A,

2B; ±1%: Another

Endurance at 70°C

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

±2%: 1J, 2A, 2B

±3%: Another

±0.75%: 1J, 2A,

2B; ±1%: Another

High Temperature Exposure

+155°C, 1000 hours

±1%

±0.5%

RK73Z Requirement ∆ R

Limit

Typical

R

≤50mΩ

N/A

R

≤40mΩ

N/A

R

≤50mΩ

R

≤40mΩ

R

≤50mΩ

R

≤40mΩ

Sulfuration Test

—

±0.5%

—R

≤40mΩ

R

≤50mΩ

R

≤40mΩ

R

≤100mΩ

R

≤50mΩ

R

≤100mΩ

R

≤50mΩ

R

≤50mΩ

R

≤40mΩ

* ±1%: 10

Ω≤R≤1MΩ; ±3%: R<10Ω, R>1MΩ

** ±1%: R<10

Ω, R>1MΩ; ±0.5%: Another

environmental applications

1733 Reader's Spreads pg1-203:document

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4:03 PM

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