PL IA NT CO M *R oH S Features Applications ■ Surface mount wirewound resistor ■ Power supplies ■ High power ■ Motor drives ■ Low temperature coefficient ■ Electricity metering ■ RoHS compliant* ■ Non-inductive versions available PWR1913/PWR2615/PWR4525/PWR6327 Surface Mount Wirewound Power Resistors General Information The PWR1913/PWR2615/PWR4525/PWR6327 Series are surface mount wirewound resistors offering 0.5, 1, 2 and 3 W power ratings as well as a wide resistance and operating temperature range. Electrical Characteristics Parameter PWR1913 PWR2615 PWR4525 PWR6327 0.01 to 400 ohms 0.01 to 3K ohms 0.01 to 15K ohms 0.01 to 25K ohms Resistance Range (Non-Inductive Version) Not Available 0.01 to 1.5K ohms 0.01 to 7.5K ohms 0.01 to 12.5K ohms Power Rating @ 70 °C 0.5 W 1W 2W 3W Maximum Working Voltage 33 V 58 V 173 V 273 V Resistance Range Absolute Tolerance Values 1%/ 5% Temperature Coefficient (TCR) R>10 ohms 1 ohm≤R≤10 ohms R<1 ohm ±20 PPM/°C ±50 PPM/°C ±150 PPM/°C Operating Temperature -55 to +275 °C Insulation Resistance >1000 megohms Dielectric Strength 1000 VAC Tests per MIL-STD-202 ΔR Max. Short Time Overload 0.5 % ±0.05 Ω Load Life 1.0 % ±0.05 Ω Moisture Resistance 1.0 % ±0.05 Ω Thermal Shock 0.5 % ±0.05 Ω Resistance to Solder Heat Characteristic Curve Physical Characteristics Flammability ........Conforms to UL94V-0 Lead Frame Material ...............................Copper, tin-plated Body Material ...................... Epoxy resin 0.25 % ±0.05 Ω 120 100 Power (%) Environmental Characteristics 80 60 40 20 0 0 50 100 150 200 250 300 Ambient Temperature (°C) Shock 0.5 % ±0.05 Ω Vibration 0.5 % ±0.05 Ω Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700 www.bourns.com *RoHS Directive 2002/95/EC Jan 27, 2003 including Annex. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 350 PWR1913/PWR2615/PWR4525/PWR6327 Surface Mount Wirewound Power Resistors Recommended Pad Layout Product Dimensions L E DIA. F A DIMENSIONS: B H MM (INCHES) W C D A ±0.4 (±0.015) B ±0.4 (±0.015) C ±0.4 (±0.015) D ±0.4 (±0.015) F ±0.4 (±0.015) Lead Thickness ±0.05 (±0.002) E ±0.4 (±0.015) Height ±0.13 (±0.005) W ±0.4 (±0.015) H ±0.4 (±0.015) L ±0.4 (±0.015) PWR1913 4.8 (0.190) 3.3 (0.130) 2.8 (0.110) 1.5 (0.060) 1.0 (0.040) 0.15 (0.006) 2.5 (0.100) 0.13 (0.005) 1.6 (0.062) 2.5 (0.100) 6.4 (0.250) PWR2615 6.6 (0.260) 3.9 (0.155) 3.2 (0.125) 1.8 (0.070) 1.8 (0.070) 0.15 (0.006) 3.0 (0.120) 0.13 (0.005) 2.4 (0.096) 2.8 (0.112) 8.6 (0.337) PWR4525 11.4 (0.450) 6.4 (0.250) 4.6 (0.180) 3.0 (0.120) 2.5 (0.100) 0.15 (0.006) 4.8 (0.190) 0.13 (0.005) 3.9 (0.155) 5.8 (0.230) 13.7 (0.540) PWR6327 15.9 (0.625) 6.9 (0.270) 6.4 (0.250) 3.0 (0.120) 3.4 (0.135) 0.15 (0.006) 2.8 (0.110) 0.13 (0.005) 5.1 (0.200) 3.8 (0.150) 17.8 (0.700) Model Typical Part Marking Packaging Specifications Tape Pieces per Reel Bulk Pkg. Quantity PWR1913 12 mm / Embossed Plastic 3000 250 pcs. PWR2615 16 mm / Embossed Plastic 2000 250 pcs. PWR4525 24 mm / Embossed Plastic 1000 250 pcs. PWR6327 28 mm / Embossed Plastic 700 250 pcs. Model MANUFACTURER'S TRADEMARK RESISTANCE CODE Note: 005 YYWW DATE CODE J RESISTANCE TOLERANCE PWR1913 will contain only the Resistance Code on the top line and the Resistance Tolerance on the bottom line. PWR2615 will not contain the Manufacturer’s Trademark. How to Order PWR4525 W 7R50 J E Soldering Profile 275 <1> Maximum of 20 seconds between 260 °C peak +255 °C and +260 °C <1> 255 °C 225 Temperature (°C) 220 °C 190 °C 175 60 - 90 seconds Ramp Down 6 °C/second 150 °C 125 60 - 120 seconds 10 seconds minimum 75 Ramp Up 3 °C/second maximum 25 0 50 100 150 Time (seconds) 200 250 300 Model PWR1913 PWR4525 PWR2615 PWR6327 Type W = Wirewound Inductive N = Wirewound Non-Inductive (Not available for PWR1913) Resistor Value for all Tolerances <100 ohms ....“R” represents decimal point (examples: 7R50 = 7.5 Ω; R050 = 0.050 Ω) ≥100 ohms ....First three digits are significant, fourth digit represents number of zeros to follow (examples: 2000 = 200 Ω; 2002 = 20K Ω) Absolute Tolerance* J = ±5 % F = ±1 % Packaging E = Tape & Reel ___ = Bulk *Tolerances as low as 0.01 % available on resistance values greater than 100 ohms. Consult factory. REV. 01/11 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.