0

25

50

75

100

400

300

200

100

0

Low Resistance Metal

Element Resistors

LOB Series

Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com

105

Issue B · 03.02

Welwyn Components

Test

MIL-STD 202

MAX %

∆R*

Unit

Load life (2000 hours)

Method 108

±1%

%

∆R

Thermal shock

Method 107

±1%

%

∆R

Vibration

Method 204

±0.5%

%

∆R

Mechanical shock

Method 213

±0.5%

%

∆R

Dielectric strength

Method 301

±0.5%

%

∆R

Insulation resistance

Method 302

ohms

0

25

50

75

100

125

150

175

100

90

80

70

60

50

40

30

20

10

0

Ambient Temp (

°C)

Power derating percentage vs

Free air ambient temperature

Temperature coefficient of resistance vs

Resistance value

*±0.0005 ohm allowance for test/contact error.

Packaging

Resistors are supplied taped and reeled.

Bulk packaging available.