Wirewound Resistors, Commercial Coated, Axial Lead High performan

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Wirewound Resistors, Commercial Coated, Axial Lead High performan

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Vishay Dale
Wirewound Resistors, Commercial Coated, Axial Lead
High performance cost High temperature silicone coating Complete welded construction Excellent stability operation High power size ratio
STANDARD ELECTRICAL SPECIFICATIONS
MODEL POWER RATING* P25°C Characteristic Characteristic 250°C 350°C 10.0 10.0 3.75 3.75 3.25 3.25 13.0 13.0 RESISTANCE RANGE
WEIGHT (Maximum) 0.21 0.34 0.65
10%**
1.77k 6.37k 3.3k 28.7k 19.9k 19.9k 58.5k 40.3k 58.5k 95.2k 167k 167k
CW-1/2 CW-1 CW-1M CW-2 CW-2M CW-2B CW-2B-13 CW-2C CW-2C-14 CW-5 CW-5-2 CW-5-3 CW-7 CW-10 CW-10-3
*Vishay Dale models have power ratings, depending operating temperature stability requirements. **3% tolerance available. Shaded areas indicate most popular models.
TECHNICAL SPECIFICATIONS
PARAMETER Temperature Coefficient Dielectric Withstanding Voltage Short Time Overload Terminal Strength Maximum Working Voltage Operating Temperature Range Power Rating UNIT ppm/°C RESISTOR CHARACTERISTICS below 1.0, 9.9, above 1000 rated power seconds 3.75 watt size smaller, rated power seconds watt size greater minimum R)1/2 Characteristic 65/+ 250, Characteristic 65/+ Characteristic 250°C max. spot temperature, 0.5% max. 2000 load life Characteristic 350°C max. spot temperature, 3.0% max. 2000 load life
ORDERING INFORMATION
CW-5 MODEL RESISTANCE TOLERANCE
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Document Number 30215 Revision 18-Oct-02
Wirewound Resistors, Commercial Coated, Axial Lead
DIMENSIONS
1.50 [38.10]* Minimum
Vishay Dale
MODEL CW-1/2
DIMENSIONS inches [millimeters] (Maximum)** 0.281 [7.14] 0.437 [11.10] 0.311 [7.90] 0.765 [19.43] 0.562 [14.27] 0.622 [15.80] 0.563 [14.30] 0.593 [15.06] 0.593 [15.06] [25.40] [25.40] [25.40] 1.281 [32.54] 1.875 [47.62] 1.875 [47.62]
0.250 0.031 [6.35 0.787] 0.406 0.031 [10.31 0.787] 0.285 0.025 [7.24 0.635] 0.625 0.062 [15.87 1.57] 0.500 0.062 [12.70 1.57] 0.562 0.062 [14.27 1.57] 0.500 0.062 [12.70 1.57] 0.500 0.062 [12.70 1.57] 0.500 0.062 [12.70 1.57] 0.875 0.062 [22.22 1.57] 0.875 0.062 [22.22 1.57] 0.875 0.062 [22.22 1.57] 1.218 0.062 [30.94 1.57] 1.781 0.062 [45.24 1.57] 1.781 0.062 [45.24 1.57]
0.085 0.020 0.020 0.002 [2.16 0.508] [0.508 0.051] 0.094 0.031 0.020 0.002 [2.39 0.787] [0.508 0.051] 0.110 0.015 0.020 0.002 [2.79 0.381] [0.508 0.051] .250 0.032 0.040 0.002 [6.35 0.813] [1.02 0.051] 0.185 0.015 0.032 0.002 [4.70 0.381] [0.813 0.051] 0.188 0.032 0.032 0.002 [4.78 .813] [0.813 0.051] 0.188 0.032 0.032 0.002 [4.78 0.813] [0.813 0.051] 0.218 0.032 0.040 0.002 [5.54 0.813] [1.02 0.051] 0.218 0.032 0.032 0.002 [5.54 .813] [0.813 0.051] 0.312 0.032 0.040 0.002 [7.92 0.813] [1.02 0.051] 0.250 0.032 0.032 0.002 [6.35 .813] [0.813 0.051] 0.312 0.032 0.032 0.002 [7.92 0.813] [0.813 0.051] 0.312 0.032 0.040 0.002 [7.92 0.813] [1.02 0.051] 0.375 0.032 0.040 0.002 [9.52 0.813] [1.02 0.051] 0.375 0.032 0.032 0.002 [9.52 0.813] [0.813 0.051]
CW-1 CW-1M CW-2 CW-2M CW-2B CW-2B-13 CW-2C CW-2C-14 CW-5 CW-5-2 CW-5-3
some standard reel pack methods, leads trimmed shorter length than shown.
MATERIAL SPECIFICATIONS
Element: Copper-nickel alloy nickel-chrome alloy, depending resistance value Core: Ceramic: Steatite alumina, depending physical size Coating: Special high temperature silicone Standard Terminals: Tinned Copperweld® Caps: Stainless steel Part Marking: DALE, Model, Wattage*, Value, Tolerance, Date Code *Wattage marked resistor will characteristic, CW-1/2 will marked with wattage
RATED POWER
CHAR.
CW-7 CW-10
CHAR.
CW-10-3
AMBIENT TEMPERATURE
Derating
(Maximum) dimension clean lead clean lead.
PERFORMANCE*
TEST Thermal Shock Short Time Overload Dielectric Withstanding Voltage Temperature Storage High Temperature Exposure Moisture Resistance Shock, Specified Pulse Vibration, High Frequency Load Life Terminal Strength CONDITIONS TEST Rated power applied until thermally stable, then minimum minutes 55°C rated power (3.75 watt smaller), rated power watt larger) seconds 1000V rms, minute 65°C hours hours 350°C MIL-STD-202 Method 106, applicable MIL-STD-202 Method 213, 100g's milliseconds, shocks Frequency varied 2000Hz, peak, directions hours each 2000 hours rated power, 25°C, hours "ON", hours "OFF" second pound pull test; torsion test alternating directions, 360° each TEST LIMITS (CHARACTERISTIC (2.0% 0.05) (2.0% 0.05) (0.1% 0.05) (2.0% 0.05) (4.0% 0.05) (2.0% 0.05) (0.2% 0.05) (0.2% 0.05) (3.0% 0.05) (1.0% 0.05)
*All figures shown maximum, based upon testing requirements MIL-PRF-26 maximum operating temperature 350°C. maximum figures considerably lower when tested maximum operating temperature 250°C.
Document Number 30215 Revision 18-Oct-02
technical questions, contact ww2aresistors@vishay.com
www.vishay.com

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