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TWW3JR33

Description
Wirewound Resistors - Through Hole 3watt .33ohm 5% Vertical Mount
CategoryPassive components   
File Size436KB,2 Pages
ManufacturerOhmite
Websitehttps://www.ohmite.com
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Wirewound Resistors - Through Hole 3watt .33ohm 5% Vertical Mount

TWW3JR33 Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerOhmite
Product CategoryWirewound Resistors - Through Hole
RoHSNo -; RoHS Version Available
Resistance330 mOhms
Power Rating3 W
Tolerance5 %
Temperature Coefficient400 PPM / C
Voltage Rating250 V
Operating Temperature Range- 55 C to + 275 C
Length12.5 mm
Width9 mm
Height25 mm
Termination StyleRadial
ProductPower Resistors Wirewound Cement Filled Ceramic
TypeCeramic Housed Power Resistor
Lead Spacing5 mm
Maximum Operating Temperature+ 275 C
Minimum Operating Temperature- 55 C
Factory Pack Quantity60
TWM/TWW Series
Ceramic Housed Radial Terminal Power
The TWM/TWW series radial terminal power resis-
tors offer significant board space savings over axial
terminal products. Generated heat is also kept away
from the circuit board.
They are recommended for commercial applica-
tions requiring low cost.
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
TWW3
TWW5
TWW10
TWM3
TWM5
TWM10
Wattage
3
5
10
3
5
10
Resistance
0.01-39Ω
0.01-47Ω
0.04-990Ω
43-50KΩ
51-50KΩ
1000-50KΩ
Voltage
250
350
750
250
350
750
Element
Wire
Wire
Wire
Metal oxide
Metal oxide
Metal oxide
CharaCTerISTICS
Housing
Ceramic
Core
Fiberglass
Filling
Cement based
Tolerance
5% standard
Temperature coeffIicient
0.01-20Ω ±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 Temperature
-55°C to 275°C
Storage Temperature
6°C to 36°C
Derating
100
Percent Rated Watts
80
60
40
20
0
70 100
150
200
250 275
Ambient Temperature, C
(continued)
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
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