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TWM/TWW Series

TWM/TWW Series

TWM/TWW Series

Product catalog summary
Overview: The TWM/TWW series are ceramic housed radial terminal power resistors designed for commercial applications requiring cost-effective solutions. These resistors offer significant board space savings and keep generated heat away from the circuit board.
Specifications:
  • Series: TWM (Metal Oxide), TWW (Wirewound)
  • Wattage: 3W, 5W, 10W
  • Resistance Range: TWW: 0.01-990Ω, TWM: 43-50KΩ
  • Voltage Rating: TWW: 250-750V, TWM: 250-750V
  • Tolerance: 5% standard
  • Temperature Coefficient: 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: 15℃-35℃, humidity: 25%-75%
Features:
  • Economical commercial grade for general-purpose use
  • Wirewound and metal oxide construction
  • Wide resistance range
  • Flameproof inorganic construction
Dimensions:
  • TWW3 & TWM3: Height: 0.98 in / 25 mm, Width: 0.33 in / 8.5 mm
  • TWW5 & TWM5: Height: 0.98 in / 25 mm, Width: 0.35 in / 9 mm
  • TWW10 & TWM10: Height: 1.97 in / 50 mm, Width: 0.35 in / 9 mm
Ordering Information: The part number includes series, wattage, tolerance, resistance value, and RoHS compliance. Example: TWW3JR05E indicates a TWW series, 3W, 5% tolerance, 0.05Ω resistance, RoHS compliant.
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Catalog excerpts

TWM/TWW Series-1

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. F E AT URES • Economical Commercial Grade for general purpose use • Wirewound and Metal Oxide construction • Wide resistance range • Flameproof inorganic construction SERIES SPECIFICATIONS Series Wattage Resistance Voltage Element Housing Ceramic Core Fiberglass Filling Cement based Tolerance 5% standard Temperature coefficient 0.01-20Q ±400ppm/°C; >20-10Q ±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 15°C-35°C, humidity: 25%-75% 96 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • [email protected]

 Open the catalog to page 1
TWM/TWW Series-2

(marked surface) -20 gauge Height Width (in./mm) ±1mm 0.98 / 25 0.33 / 8.5 5mm (10w only leads not centered; 3w & 5w leads centered) HOW TO ORDER Tolerance J = 5% E = RoHS compliant Series Wattage TWM = Ceramic housed 3 metal oxide radial 5 TWW= Ceramic housed 10 wirewound radial Standard part numbers for TWM series Standard part numbers for TWW series Ohmic value

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Archived catalogs

  1. General catalog

    101  Pages

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