CPSM VISHAY | Alldatasheet
Document overview
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Technical content
www.vishay.com 112 Document Number 30106 Revision 07-Feb-02 For technical questions, contact ww2aresistors@vishay.com Wirewound Resistors, Commercial Power, Surface Mount
FEATURES
- Direct mounting on printed circuit board
- High wattage capabilities, low board temperatures
- Meets or exceeds EIA-RS-344 requirements
- Special inorganic potting compound and ceramic case provide high thermal conductivity in a fireproof package
- Superior surge capability
ORDERING INFORMATION
STANDARD ELECTRICAL SPECIFICATIONS MODEL POWER RATING RESISTANCE RANGE P40°C Ω W ± 5%, ± 10% CPSM-3 3 0.1 - 1k CPSM-5 5 0.1 - 1k TECHNICAL SPECIFICATIONS PARAMETER UNIT CPSM RESISTOR CHARACTERISTICS Temperature Coefficient ppm/ °C ± 600 below 1.0Ω, ± 300 1.0Ω and above Short Time Overload – 5 x rated power for 5 seconds Operating Temperature °C - 65/+ 275 Dielectric Withstanding Voltage V AC 1000 Maximum Working Voltage V (P x R) 1/2 Weight (typical) g CPSM-3 = 5.5; CPSM-5 = 6.5 CPSM-5 100 Ω 5% B31 MODEL RESISTANCE TOLERANCE PACKAGING Ω± % B31 = Bulk Pack
www.vishay.com 113 CPSM Vishay Dale Document Number 30106 Revision 07-Feb-02 For technical questions, contact ww2aresistors@vishay.com DIMENSIONS H W Element Copper-nickel alloy or nickel-chrome alloy, depending on resistance value Core Woven fiberglass Body Steatite ceramic case with inorganic potting compound Terminals Tin/lead plated steel Part Marking DALE, Model, Wattage, Value, Tolerance, Date Code Wirewound Resistors, Commercial Power, Surface Mount MODEL DIMENSIONS in inches [millimeters] LW L 1 W1 H - 0.012 [0.305] PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS (EIA RS-344) Thermal Shock - 55°C to + 165°C, 5 cycles, 30 minute dwell time ± (5.0% + 0.05Ω)∆R Short Time Overload 5 x rated power for 5 seconds ± (4.0% + 0.05Ω)∆R Dielectric Withstanding Voltage 1000Vrms for one minute ± (2.0% + 0.05Ω)∆R Low Temperature Operation - 65 °C, full rated working voltage for 45 minutes ± (3.0% + 0.05Ω)∆R Humidity 75 °C, 90% - 100% RH, 240 hours ± (5.0% + 0.05Ω)∆R Load Life 1000 hours at rated power, + 40 °C, 1.5 hours “ON”, 0.5 hours “OFF” ± (10.0% + 0.05Ω)∆R Resistance to Solder Heat + 260 °C solder, 10-12 second dwell, 25mm/second emergence ± (4.0% + 0.05Ω)∆R MODEL SOLDER PAD DIMENSIONS in inches [millimeters] ab l CPSM-3 0.420 0.340 0.380 CPSM-5 0.440 0.340 0.490 L 0.080 [2.03] Maximum 0.020 ± 0.005 [0.508 ± 0.127] Derating 120 100 Rated Power in % -65 -25 25 75 125 175 225 275 Ambient Temperature in °C Temperature Rise in Temperature Rise 200 150 100 Power in W CPSM-3 CPSM-5 I b a MATERIAL SPECIFICATIONS