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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.

12/28/08

thick film SIP resistors

wattage/package

Derating Curve

environmental applications

100

80

60

40

20

-60

-40

0

406080100160

70

20

Ambient Temperature

(°C)

0

-55

120

155

-20

140

125

RKL, RKC (L, K circuit), Custom circuit

RKC (except L, K circuit), RKH

Performance Characteristics

PMS 300 neg.

Black neg.

8

7

6

5

4

3

Number of Pins

RKH

––

511

701

796

606

416

RKL

147

228

314

357

271

185

160

217

273

387

444

9

891

400

501

RKC

330

15

14

13

12

11

10

Number of Pins

RKH

986

1176

––

––

1271

1081

RKL

443

529

––

––

––

486

558

615

672

785

842

16

––

––

893

RKC

728

Parameter

Requirement

∆ R

Limit

Typical

Test Method

Resistance

T.C.R.

25°C

+25°C/-55°C, +25°C/+125°C (RKL)

+25°C/-55°C, +25°C/+155°C (RKC, RKH)

Within specified

tolerance

Within specified

T.C.R.

—

—

Overload (Short time)

Rated voltage x 2.5 for 5 seconds

±0.5%

±0.25%

Resistance to Solder Heat

260°C ± 5°C, 10 seconds ± 1 second

±0.5%

±0.25%

Temperature Cycling

-40°C (30 minutes), +85°C (30 minutes), 5 cycles

±0.5%

±0.25%

Moisture Resistance

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

±2.0%

±1.0%

Endurance at 70°C

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

±2.0%

±1.0%

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