OHMITE TUM3J8R2E

TUM/TUW Series
Ceramic Housed Axial Terminal Power
1.38" ±.197
35mm ±5
(32mm on 3w)
0.03" ±.002
0.8mm ±.05
(0.7mm on 3w)
L
H
FEATURES
SPECIFICATIONS
• Economical Commercial Grade
for general purpose use
• Wirewound and Metal Oxide
construction
• Wide resistance range
• Flameproof inorganic construction
Material
Housing: Ceramic
Core: Fiberglass or metal oxide
Filling: Cement based
Electrical
Tolerance: 5% standard
Temperature coeff.:
0.01-20Ω ±400ppm/°C
20-150KΩ ±350ppm/°C
Dielectric withstanding voltage:
1,000VAC
Short time overload
TUW: 10x rated power for 5 sec.
TUM: 5x rated power for 5 sec.
DERATING CURVE
W
Series Wattage Ohms
TUW3
TUW5
TUW7
TUW10
TUW15
TUM3
TUM5
TUM7
TUM10
TUM15
3
5
7
10
15
3
5
7
10
15
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
0.87 / 22 0.31 / 8 0.31 / 8 350
0.87 / 22 0.35 / 9 0.39 / 10 350
1.48 / 35 0.35 / 9 0.39 / 10 500
1.93 / 49 0.35 / 9 0.39 / 10 750
1.93 / 49 .453/11.5 0.49 / 12.5 1000
0.87 / 22 0.31 / 8 0.31 / 8 350
0.87 / 22 0.35 / 9 0.39 / 10 350
1.48 / 35 0.35 / 9 0.39 / 10 500
1.93 / 49 0.35 / 9 0.39 / 10 750
1.93 / 49 .453/11.5 0.49 / 12.5 1000
Element
Wirewound
Wirewound
Wirewound
Wirewound
Wirewound
Metal oxide
Metal oxide
Metal oxide
Metal oxide
Metal oxide
Percent Rated Watts
Dimensions (in. / mm)
Length
Height
Width
(±1mm)
(±1mm)
(±1mm)
100
80
60
40
20
0
70 100
150
200
250 275
Ambient Temperature, °C
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
The TUM/TUW Series resistors are our most economical 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.
S TA N D A R D PA RT N U M B E R S F O R T U W / T U M S E R I E S
Check product availability at www.ohmite.com
42
3
5
7
TUW5J–
TUW7J–
TUW10J– 10
TUW15J– 15


















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
TUW3J–


















Ohmic value
TUW15J– 15


















7
TUW10J– 10


















5


















3
TUW7J–
33
39
43
47
56
68
75
82
100
150
200
270
300
330
390
430
470
560
TUW5J–


















TUW3J–


















Ohmic value
TUW15J– 15


















7
TUW10J– 10


















5
TUW7J–


















3
TUW5J–













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
TUW3J–
Ohmic value













TUW15J– 15













TUW10J– 10
5
7
TUW7J–
TUW5J–
3
TUW3J–


















Part No.
Prefix 
Suffix
–––33RE
–––39RE
–––43RE
–––47RE
–––56RE
–––68RE
–––75RE
–––82RE
–––100E
–––150E
–––200E
–––270E
–––300E
–––330E
–––390E
–––430E
–––470E
–––560E
Wattage



















Part No.
Prefix 
Suffix
–––1R0E
–––1R5E
–––2R0E
–––2R7E
–––3R0E
–––3R3E
–––3R9E
–––4R3E
–––4R7E
–––5R6E
–––6R8E
–––7R5E
–––8R2E
–––10RE
–––15RE
–––20RE
–––27RE
–––30RE
Wattage


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

Ohmic value
Wattage
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Shaded area: change prefix to TUM
Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • [email protected]