Document Number: 28731

www.vishay.com

Revision: 06-Oct-11

149

PAC.. Series

Cemented Wirewound Precision Resistors

Vishay Draloric

This document is subject to change without notice.

DERATING

PERFORMANCE

TEST

PERMISSIBLE CHANGE

Climatic category (LCT/UCT/Days)

55/200/56

Climatic Sequence

IEC 60115-1 4.23

R = ± (0.5 % R + 0.05 )

Damp Heat, Steady State, IEC 60115-1, 4.24

(40 ± 2) °C, 56 days, (93 ± 3) % RH

R = ± (1.0 % R + 0.05 )

Endurance at room temperature (116 %

IEC 60115-1, 4.25.2

R = ± (0.5 % R + 0.05 )

Storage, UCT, IEC 60115-1, 4.25.3

1000 h, 200 °C, no load

R = ± (1.0 % R + 0.05 )

Resistance to Soldering Heat, IEC 60115-1, 4.18

(260 ± 5) °C, (10 ± 1) s

R = ± (0.2 % R + 0.05 )

Robustness of Termination, IEC 60115-1, 4.16

10N

R = ± (0.1 % R + 0.05 )

Short Time Overload, IEC 60115-1, 4.13

10 x Rated Power for 5 s

R = ± (0.2 % R + 0.05 )

0

20

40

60

80

100

50

100

150

200

250

300

AMBIENT TEMPERATURE IN °C

0

25