TUM/TUW Series
Ceramic Housed Axial Terminal Power
The TUM/TUW Series resistors are our most eco-
nomical power resistors. They are recommended for
commercial applications where low cost is critical.
They are available in small standard packs for
standard values, or bulk packaged for even lower
costs.
F e aT U r e S
• Economical Commercial Grade for general purpose
use
• Wirewound and Metal Oxide construction
• Wide resistance range
• Flameproof inorganic construction
S e r I e S S P e C I F I C aT I O N S
Series
TUW3
TUW5
TUW7
TUW10
TUW15
TUM3
TUM5
TUM7
TUM10
TUM15
Wattage
3
5
7
10
15
3
5
7
10
15
Ohms
0.01-39
0.01-47
0.10-680
0.10-990
0.10-1000
180-33K
220-50K
910-50K
1000-50K
1100-150K
Voltage
350
350
500
750
1000
350
350
500
750
1000
Element
Wirewound
Wirewound
Wirewound
Wirewound
Wirewound
Metal oxide
Metal oxide
Metal oxide
Metal oxide
Metal oxide
CharaCTerISTICS
Housing
Ceramic
Core
Fiberglass or metal oxide
Filling
Cement based
Tolerance
5% standard
TCR
0.01-20Ω ±400ppm/°C
20-150KΩ ±350ppm/°C
Dielectric withstanding
1,000VAC
voltage
Short time overload
TUW: 10x rated power for 5 sec.
TUM: 5x rated power for 5 sec.
Derating Curve
100
Percent Rated Watts
80
60
40
20
0
70 100
150
200
250 275
Ambient Temperature, C
(continued)
98
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
TUM/TUW Series
Ceramic Housed Axial Terminal Power
dIMeNSIONS
(in./mm)
1.38"
±.197
35mm
±
5
(32mm on 3w)
L
0.03"
±.002
0.8mm
±
.05
(0.7mm on 3w)
W
H
Series
TUW3
TUW5
TUW7
TUW10
TUW15
Wattage
3
5
7
10
15
Length
(±1mm)
0.87
0.87
1.48
1.93
1.93
/
/
/
/
/
22
22
35
49
49
Height
(±1mm)
0.31 / 8
0.35 / 9
0.35 / 9
0.35 / 9
0.45/11.5
Width
(±1mm)
0.31 / 8
0.39 / 10
0.39 / 10
0.39 / 10
0.49 / 12.5
TUM3
TUM5
TUM7
TUM10
TUM15
3
5
7
10
15
0.87
0.87
1.48
1.93
1.93
/
/
/
/
/
22
22
35
49
49
0.31 / 8
0.35 / 9
0.35 / 9
0.35 / 9
0.45/11.5
0.31 / 8
0.39 / 10
0.39 / 10
0.39 / 10
0.49 / 12.5
O r d e r I N g I N F O r M aT I O N
Tolerance
J = 5%
E = RoHS compliant
TUM3J8R2E
Series
Wattage Resistance Value
TUM =
Ceramic Housed 3
Example:
Metal Oxide
R50=0.50Ω
5
TUW =
Ceramic Housed 7
1R0=1Ω
Wirewound
8R2=8.2Ω
10
250=250Ω
15
1K0=1,000Ω
8K2=8,200Ω
10K=10,000Ω
Standard part numbers for TUW/TUM series
Wattage
TUW10J–
10
TUW15J–
15
Ohmic value
Ohmic value
3
5
7
Part No.
Prefix
Suffix
0.01
–––R01E
0.01
–––R01E
0.02
–––R02E
0.04
–––R04E
0.05
–––R05E
0.10
–––R10E
0.15
–––R15E
0.20
–––R20E
0.27
–––R27E
0.30
–––R30E
0.33
–––R33E
0.39
–––R39E
0.43
–––R43E
0.47
–––R47E
0.56
–––R56E
0.68
–––R68E
0.75
–––R75E
0.82
–––R82E
Wattage
TUW10J–
10
TUW15J–
15
Ohmic value
3
5
7
3
Part No.
Prefix
Suffix
–––1R0E
–––1R5E
–––2R0E
–––2R7E
–––3R0E
–––3R3E
–––3R9E
–––4R3E
–––4R7E
–––5R6E
–––6R8E
–––7R5E
–––8R2E
–––10RE
–––15RE
–––20RE
–––27RE
–––30RE
Part No.
Prefix
Suffix
–––33RE
–––39RE
–––43RE
–––47RE
–––56RE
–––68RE
–––75RE
–––82RE
–––100E
–––150E
–––200E
–––270E
–––300E
–––330E
–––390E
–––430E
–––470E
–––560E
TUW3J–
TUW5J–
TUW7J–
TUW3J–
Wattage
TUW10J–
10
TUW15J–
15
Ohmic value
5
7
3
Part No.
Prefix
Suffix
680
–––680E
750
–––750E
820
–––820E
1000
–––1K0
1500
–––1K5
2000
–––2K0
2700
–––2K7
3000
–––3K0
3300
–––3K3
3900
–––3K9
4300
–––4K3
4700
–––4K7
5600
–––5K6
6800
–––6K8
7500
–––7K5
8200
–––8K2
10000
–––10K
TUW5J–
TUW7J–
TUW3J–
Wattage
TUW10J–
10
TUW15J–
15
5
TUW5J–
TUW7J–
7
TUW3J–
TUW5J–
TUW7J–
1.0
1.5
2.0
2.7
3.0
3.3
3.9
4.3
4.7
5.6
6.8
7.5
8.2
10
15
20
27
30
33
39
43
47
56
68
75
82
100
150
200
270
300
330
390
430
470
560
Shaded area: change prefix to TUM
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
99
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