UAL-25 3000 OHM 1%

Manufacturer Part NumberUAL-25 3000 OHM 1%
DescriptionRES 3K OHM 25W 1% ALUM WW
ManufacturerRiedon
SeriesUAL
UAL-25 3000 OHM 1% datasheet
 


Specifications of UAL-25 3000 OHM 1%

Resistance (ohms)3KPower (watts)25W
CompositionWirewoundTemperature Coefficient±20ppm/°C
Tolerance±1%Coating, Housing TypeAluminum Housed
Mounting FeatureFlangesSize / Dimension1.062" L x 1.080" W (26.97mm x 27.43mm)
Height0.560" (14.22mm)Lead StyleSolder Lugs
Package / CaseAxial, BoxLead Free Status / RoHS StatusLead free / RoHS Compliant
Other namesUAL-25-3000F  
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UAL Series
Aluminum Housed Wirewound Resistors
UAL-25-4T
UAL-25-4
UAL-25-4TR
MIL-R-39009
Type
MIL-R-18546
Style
UAL-5
RER-60 / RE-60
UAL-10
RER-65 / RE-65
UAL-25
RER-70 / RE-70
UAL-50
RER-75 / RE-75
UAL-100
RER-77 / RE-77
UAL-180
-
UAL-250
RER-80 / RE-80
UAL-300
-
For Non-Inductive Windings / insert the letter “N” ( i.e. UALN-25 )
Part Number - Resistance - Tolerance - TCR ( If not standard )
Example: UAL-25 10 Ohm 1%
Riedon Inc.
300 Cypress Avenue
• Power Rating 5 to 300Watts
• High Temperature: -55°C to +275°C
• Excellent Pulse Handling
• Resistances from 0.005 to 250kOhms
• Tolerance to ±0.01%
• Low TCR: ± 20ppm/K Standard
• Four Terminal Versions Available
• All Welded Construction
SPECIFICATIONS
Power Rating ( W @ 25°C )
Commercial
MIL
7.5
5
a
a
12.5
10
a
a
25
20
b
b
50
30
c
c
100
75
d
d
180
-
d
250
120
d
d
300
-
e
For non-inductive windings, divide maximum resistance by 2
1
Heatsink Required : 0.040 [1.0] Alum. Plate, 129 in
a
Heatsink Required : 0.040 [1.0] Alum. Plate, 167 in
b
Heatsink Required : 0.059 [1.5] Alum. Plate, 291 in
c
Heatsink Required : 0.125 [3.2] Alum. Plate, 294 in
d
Heatsink Required : 0.125 [3.2] Alum. Plate, 895 in
e
Ordering Information
Alhambra CA 91801
(626) 284-9901
www.riedon.com
Resistance
Range
1
Free Air
4.5
0.01 to 22K
7.5
0.01 to 47K
12
0.01 to 90K
20
0.01 to 250K
40
0.01 to 50K
-
0.01 to 50K
100
0.01 to 50K
75
0.005 to 100K
[832 cm
] or equiv.
2
2
[1077 cm
] or equiv.
2
2
[1877 cm
] or equiv.
2
2
[1896 cm
] or equiv.
2
2
[5780 cm
] or equiv.
2
2
(626) 284-1704
02/11

UAL-25 3000 OHM 1% Summary of contents

  • Page 1

    ... UAL Series Aluminum Housed Wirewound Resistors UAL-25-4T UAL-25-4 UAL-25-4TR MIL-R-39009 Type MIL-R-18546 Style UAL-5 RER-60 / RE-60 UAL-10 RER-65 / RE-65 UAL-25 RER-70 / RE-70 UAL-50 RER-75 / RE-75 UAL-100 RER-77 / RE-77 UAL-180 - UAL-250 RER-80 / RE-80 UAL-300 - For Non-Inductive Windings / insert the letter “N” ( i.e. UALN-25 ) Part Number - Resistance - Tolerance - TCR ( If not standard ) Example: UAL-25 10 Ohm 1% Riedon Inc ...

  • Page 2

    ... All welded terminations DR ±0.2% + 0.05W ±1% + 0.05W ±0.2% + 0.05W ±0.2% + 0.05W ±0.2% + 0.05W ±0.2% + 0.05W ±0.1% + 0.05W ±0.1% + 0.05W 100 150 200 250 300 Alhambra CA 91801 www.riedon.com (continued) Free-air Derating A : UAL-5, UAL- UAL- UAL-50, UAL-100, UAL-250 D : UAL-300 350 (626) 284-9901 (626) 284-1704 02/11 ...

  • Page 3

    ... UAL Series Aluminum Housed Wirewound Resistors Type ±0.005 ±0.005 ±0.031 ±0.062 [±0.13] [±0.13] [±0.8] [±1.6] 0.444 0.490 0.600 1.125 UAL-5 [11.3] [12.4] [15.2] [28.5] 0.562 0.625 0.750 1.320 UAL-10 [14.3] [15.9] [19.1] [33.5] 0.719 0.781 1.062 1.870 UAL-25 [18.3] [19.8] [27.0] [47.5] 1.563 0.844 1 ...

  • Page 4

    ... UAL Series Aluminum Housed Wirewound Resistors Type MAX MAX MAX 2.854 7.260 1.646 UAL-300 [72.5] [184.4] [41.8] Riedon Inc. 300 Cypress Avenue Dimensions (continued ±0.010 ±0.010 MAX MAX MAX [±0.3] [±0.3] 1.791 5.028 4.094 2.323 0.807 [45.5] [127.7] [104.0] [59.0] [20.5] Alhambra CA 91801 www.riedon.com ±0.010 MAX ...