UAL Series
AluminumꢀHousedꢀWirewoundꢀResistors
SPECIFICATIONS(continued)
Specification
Value
Tolerances
±0.01%ꢀtoꢀ±10%ꢀ(ꢀ1%ꢀStandardꢀ)
Temperature Coefficient
>10Wꢀ:ꢀ±20ppm/K
1Wꢀto10Wꢀ:ꢀ±50ppm/K
<1Wꢀ:ꢀCallꢀFactory
TemperatureꢀRange
DielectricꢀStrength
Constuction
-55°Cꢀtoꢀ+275°C
1500ꢀVAC
Centerlessꢀgroundꢀceramicꢀcore
Tinnedꢀcopperꢀorꢀcopperweldꢀleads
High-temperatureꢀepoxyꢀmoldingꢀCompound
Anodizedꢀaluminumꢀhousing
Allꢀweldedꢀterminations
EnvironmentalꢀPerformance
DR
(MIL-STDꢀ202)
Dielectric
±0.2%ꢀ+ꢀ0.05W
±1%ꢀ+ꢀ0.05W
LoadꢀLife
Storage
±0.2%ꢀ+ꢀ0.05W
±0.2%ꢀ+ꢀ0.05W
±0.2%ꢀ+ꢀ0.05W
±0.2%ꢀ+ꢀ0.05W
±0.1%ꢀ+ꢀ0.05W
±0.1%ꢀ+ꢀ0.05W
MoistureꢀResistance
ThermalꢀShock
5XꢀOverloadꢀ(ꢀ5sꢀ)
Shock
Vibration
PowerꢀDeratingꢀCurve
120
100
80
Free-air Derating
A : UAL-5, UAL-10
B : UAL-25
C : UAL-50, UAL-100, UAL-250
D : UAL-300
A
60
B
40
20
0
C
D
0
50
100
150
200
250
300
350
AmbientꢀTemperatureꢀ(°C)
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, United Kingdom.
ꢀ + 44 (0) 1342 834306 info@willow.co.uk http://www.willow.co.uk
ꢀ
+ 44 (0) 1342 835234
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rev.ꢀ03/2006A
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TELEDYNE [ TELEDYNE TECHNOLOGIES INCORPORATED ]
