UAL-250 [TELEDYNE]
Aluminum Housed Wirewound Resistors; 铝壳线绕电阻器型号: | UAL-250 |
厂家: | TELEDYNE TECHNOLOGIES INCORPORATED |
描述: | Aluminum Housed Wirewound Resistors |
文件: | 总4页 (文件大小:625K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
UAL Series
AluminumꢀHousedꢀWirewoundꢀResistors
• Power Rating 5 to 300Watts
• All Welded Construction
• Resistances from 0.005 to 250kOhms
• Tolerance to ±0.01%
• High Overload and Pulse Handling
• Low TCR: ± 20ppm/K Standard
• Four Terminal Versions Available
UAL-25-4T
UAL-25-4
UAL-25-4TR
SPECIFICATIONS
MIL-R-39009
MIL-R-18546
Style
PowerꢀRatingꢀ(ꢀWꢀ@ꢀ25°Cꢀ)
Resistance
Range1
Type
Commercial
7.5ꢀa
MIL
5ꢀa
FreeꢀAir
4.5
0.01ꢀtoꢀ22K
0.01ꢀtoꢀ47K
0.01ꢀtoꢀ90K
0.01ꢀtoꢀ250K
0.01ꢀtoꢀ50K
0.01ꢀtoꢀ50K
0.01ꢀtoꢀ50K
0.005ꢀtoꢀ100K
UAL-5
UAL-10
UAL-25
UAL-50
UAL-100
UAL-180
UAL-250
UAL-300
RER-60ꢀ/ꢀRE-60
RER-65ꢀ/ꢀRE-65
RER-70ꢀ/ꢀRE-70
RER-75ꢀ/ꢀRE-75
RER-77ꢀ/ꢀRE-77
-
12.5ꢀa
25ꢀb
10ꢀa
20ꢀb
30ꢀc
75ꢀd
-
7.5
12
20
40
-
50ꢀc
100ꢀd
180ꢀd
250ꢀd
300ꢀe
120ꢀd
-
100
75
RER-80ꢀ/ꢀRE-80
-
1ꢀ Forꢀnon-inductiveꢀwindings,ꢀdivideꢀmaximumꢀresistanceꢀbyꢀ2
aꢀꢀ HeatsinkꢀRequiredꢀ:ꢀ0.040ꢀ[1.0]ꢀAlum.ꢀPlate,ꢀ129ꢀin2ꢀ[832ꢀcm2]ꢀorꢀequiv.
bꢀꢀꢀHeatsinkꢀRequiredꢀ:ꢀ0.040ꢀ[1.0]ꢀAlum.ꢀPlate,ꢀ167ꢀin2ꢀ[1077ꢀcm2]ꢀorꢀequiv.
cꢀꢀꢀHeatsinkꢀRequiredꢀ:ꢀ0.059ꢀ[1.5]ꢀAlum.ꢀPlate,ꢀ291ꢀin2ꢀ[1877ꢀcm2]ꢀorꢀequiv.
dꢀꢀꢀHeatsinkꢀRequiredꢀ:ꢀ0.125ꢀ[3.2]ꢀAlum.ꢀPlate,ꢀ294ꢀin2ꢀ[1896ꢀcm2]ꢀorꢀequiv.
eꢀꢀꢀHeatsinkꢀRequiredꢀ:ꢀ0.125ꢀ[3.2]ꢀAlum.ꢀPlate,ꢀ895ꢀin2ꢀ[5780ꢀcm2]ꢀorꢀequiv.
Ordering Information
ForꢀNon-InductiveꢀWindingsꢀ/ꢀinsertꢀtheꢀletterꢀ“N”ꢀ(ꢀi.e.ꢀUALN-25ꢀ)
PartꢀNumberꢀ-ꢀResistanceꢀ-ꢀToleranceꢀ-ꢀTCRꢀ(ꢀIfꢀnotꢀstandardꢀ)
Example:ꢀUAL-25ꢀ10ꢀOhmꢀ1%
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
ꢀ
ꢀ
rev.ꢀ03/2006A
ꢀ
ꢀ
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
ꢀ
ꢀ
ꢀ
rev.ꢀ03/2006A
ꢀ
UAL Series
AluminumꢀHousedꢀWirewoundꢀResistors
Dimensions
A B C D E F G H J K L M N O P Q R
±0.005 ±0.005 ±0.031 ±0.062 ±0.015 ±0.015 ±0.015 ±0.010 ±0.010 ±0.010 ±0.005 ±0.015 ±0.005 ±0.062 ±0.031 ±0.002 ±0.031
Type
[±0.13] [±0.13]
[±0.8]
[±1.6]
[±0.4]
[±0.4]
[±0.4]
[±0.25] [±0.25] [±0.25] [±0.13]
[±0.4]
[±0.13]
[±1.6]
[±0.8]
[±0.05]
[±0.8]
0.444
[11.3]
0.490
[12.4]
0.600
[15.2]
1.125
[28.5]
0.334
[8.5]
0.646
[16.4]
0.320
[8.1]
0.065
[1.7]
0.140
[3.6]
0.078
[2.0]
0.093
[2.4]
0.078
[2.0]
0.050
[1.3]
0.266
[6.8]
0.245
[6.2]
0.051
[1.30]
0.085
[2.2]
UAL-5
UAL-10
UAL-25
UAL-50
0.562
[14.3]
0.625
[15.9]
0.750
[19.1]
1.375
[35.0]
0.430
[10.9]
0.800
[20.3]
0.400
[10.2]
0.075
[1.9]
0.190
[4.8]
0.093
[2.4]
0.093
[2.4]
0.102
[2.6]
0.086
[2.2]
0.312
[7.9]
0.312
[7.9]
0.081
[2.06]
0.140
[3.6]
0.719
[18.3]
0.781
[19.8]
1.062
[27.0]
1.938
[49.2]
0.530
[13.5]
1.080
[27.4]
0.560
[14.2]
0.085
[2.2]
0.260
[6.6]
0.172
[4.4]
0.125
[3.2]
0.125
[3.2]
0.086
[2.2]
0.438
[11.1]
0.391
[9.9]
0.081
[2.06]
0.140
[3.6]
1.563
[39.7]
0.844
[21.4]
1.968
[50.0]
2.781
[70.6]
0.615
[15.6]
1.140
[29.0]
0.615
[15.6]
0.085
[2.2]
0.300
[7.6]
0.196
[5.0]
0.125
[3.2]
0.125
[3.2]
0.086
[2.2]
0.438
[11.1]
0.422
[10.7]
0.081
[2.06]
0.140
[3.6]
A
Aa
B
C
D
E
F
G
H
J
K
L
M
N
P
Mtg.
Screw
Type
±0.005
[±0.13]
±0.005
[±0.13]
±0.005
[±0.13]
±0.031
[±0.8]
±0.062
[±1.6]
±0.015
[±0.4]
±0.015
[±0.4]
±0.015
[±0.4]
±0.010
[±0.25]
±0.015
[±0.4]
±0.015
[±0.4]
±0.005
±0.015
[±0.4]
ꢀ
ꢀ
±0.015
[±0.4]
[±0.13]
2.750
[69.9]
2.250
[57.2]
3.500
[88.9]
5.480
[139]
1.800
[45.7]
2.810
[71.4]
1.750
[44.5]
0.188
[4.8]
0.800
[20.3]
0.375
[9.5]
0.188
[4.8]
0.225
[5.7]
-
-
-
-
12-24
12-24
1/4-20
(2)ꢀ#8
(2)ꢀ#8
(4)ꢀ#8
UAL-100
UAL-180
UAL-250
2.750
[69.9]
2.500
[63.5]
3.500
[88.9]
5.480
[139]
2.100
[55.3]
3.000
[76.2]
2.190
[55.6]
0.250
[6.4]
0.950
[24.1]
0.375
[9.5]
0.188
[4.8]
0.200
[5.1]
3.875
[98.4]
3.000
[76.2]
1.062
[63.5]
4.500
[114]
7.000
[178]
2.100
[55.3]
3.00
[76.2]
2.190
[55.6]
0.250
[6.4]
1.000
[25.4]
0.312
[7.9]
0.188
[4.8]
0.200
[5.1]
1.188
[30.7]
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
ꢀ03/2006A
ꢀ
ꢀ
UAL Series
AluminumꢀHousedꢀWirewoundꢀResistors
Dimensions(continued)
F
G
L
N
A
B
C
D
E
H
J
K
M
Type
±0.010
[±0.3]
±0.010
[±0.3]
±0.010
[±0.3]
±0.010
[±0.3]
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
2.854
[72.5]
7.260
[184.4]
1.646
[41.8]
1.791
[45.5]
5.028
[127.7] [104.0]
4.094
2.323
[59.0]
0.807
[20.5]
0.488
[12.4]
0.217
[5.5]
0.260
[6.6]
5.567
[141.4]
2.047
[52.0]
UAL-300
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
ꢀ03/2006A
ꢀ
ꢀ
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