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TWM3JR05E Datasheet, PDF (1/1 Pages) Ohmite Mfg. Co. – Ceramic Housed Radial Terminal Power
The TWM/TWW series radial terminal power resistors offer
significant board space savings over axial terminal products.
Generated heat is also kept away from the circuit board.
They are recommended for commercial applications requiring
low cost.
FEATURES
• Economical Commercial Grade
for general purpose use
• Wirewound and Metal Oxide
construction
• Wide resistance range
• Flameproof inorganic construc-
tion
DERATING
100
80
60
40
20
SPECIFICATIONS
Material
Housing: Ceramic
Core: Fiberglass or metal oxide
Filling: Cement based
Electrical
Tolerance: 5% standard
Temperature coeff.:
.01-20Ω ±400ppm/°C
20-10Ω ±350ppm/°C
Dielectric withstanding voltage:
1,000VAC
Short time overload:
TWW: 10x rated power for 5 sec.
TWM: 5x rated power for 5 sec.
Operating Temp.: -55°C to 275°C
Storage Temp.: 6°C to 36°C
0
70 100 150 200 250 275
Ambient Temperature, °C
ORDERING INFORMATION
Tolerance
J = 5% E = RoHS compliant
TWW3JR05E
Series
Wattage Resistance Value
TWM = Ceramic housed 3
Example:
metal oxide radial 5
R05 = 0.05Ω
TWW= Ceramic housed 10
R56 = 0.56Ω
wirewound radial
1R0 = 1Ω
8R2 = 8.2Ω
270 = 270Ω
1K0 = 1,000Ω
8K2 = 8,200Ω
10K =10,000Ω
TWM/TWW Series
Ceramic Housed Radial Terminal Power
0.49" ±.04 0.35" ±.04
12.5mm ±1 9 mm ±1
H
(marked
surface)
0.14" ±.04
3.5mm ±1
0.20" ±.08
5.0mm ±2
20
gauge
0.20" ±.04
5mm ±1
Series Wattage Ohms
TWW3
3
.01-39
TWW5
5
.01-47
TWW10 10 .04-990
TWM3 3 43-50K
TWM5 5 51-50K
TWM10 10 1000-50K
Height (in./mm)
0.98 / 25
0.98 / 25
1.97 / 50
0.98 / 25
0.98 / 25
1.97 / 50
Voltage Element
250
Wire
350
Wire
750
Wire
250 Metal oxide
350 Metal oxide
750 Metal oxide
STANDARD PART NUMBERS FOR TWW SERIES
Wattage
Wattage
Wattage
Part No.
Prefix 
Suffix
0.01 –––R01E  
0.02 –––R02E  
0.03 –––R03E  
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   
1.0 –––1R0E   
Part No.
Prefix 
Suffix
1.5 –––1R5E   
2.0 –––2R0E   
2.7 –––2R7E   
3.0 –––3R0E   
3.3 –––3R3E   
3.9 –––3R9E   
4.3 –––4R3E   
4.7 –––4R7E   
5.6 –––5R6E   
6.8 –––6R8E   
7.5 –––7R5E   
8.2 –––8R2E   
10 –––10RE   
15 –––15RE   
20 –––20RE   
27 –––27RE   
30 –––30RE   
33 –––33RE   
39 –––39RE   
Part No.
Prefix 
Suffix
43 –––43RE
47 –––47RE
56 –––56RE
68 –––68RE
75 –––75RE
82 –––82RE
100 –––100E
150 –––150E
200 –––200E
270 –––270E
300 –––300E
330 –––330E
390 –––390E
430 –––430E
470 –––470E
560 –––560E
680 –––680E
750 –––750E
820 –––820E
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STANDARD PART NUMBERS FOR TWM SERIES
Wattage
Wattage
Part No.
Prefix 
Suffix
43 ––– 43RE 
47 ––– 47RE 
56 ––– 56RE  
68 ––– 68RE  
75 ––– 75RE  
82 ––– 82RE  
100 ––– 100E  
150 ––– 150E  
200 ––– 200E  
270 ––– 270E  
300 ––– 300E  
330 ––– 330E  
390 ––– 390E  
430 ––– 430E  
470 ––– 470E  
560 ––– 560E  
680 ––– 680E  
750
820
1000
1500
2000
2700
3000
3300
3900
4300
4700
5600
6800
7500
8200
10000
Part No.
Prefix 
Suffix
––– 750E
––– 820E
––– 1K0
––– 1K5
––– 2K0
––– 2K7
––– 3K0
––– 3K3
––– 3K9
––– 4K3
––– 4K7
––– 5K6
––– 6K8
––– 7K5
––– 8K2
––– 10K
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Check product availability at www.ohmite.com
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 • info@ohmite.com 41