Features
■ Surface mount wirewound resistor
■ High power
■ Low temperature coeffi cient
■ RoHS compliant*
■ Non-inductive versions available
Applications
■ Power supplies
■ Motor drives
■ Electricity metering
PWR1913/PWR2615/PWR4525/PWR6327 Surface Mount Wirewound Power Resistors
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
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.
Physical Characteristics
Flammability ........Conforms to UL94V-0
Lead Frame Material
...............................Copper, tin-plated
Body Material ...................... Epoxy resin
Electrical Characteristics
Parameter PWR1913 PWR2615 PWR4525 PWR6327
Resistance Range 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 1 W 2 W 3 W
Maximum Working Voltage 33 V 58 V 173 V 273 V
Absolute Tolerance Values 1 % / 5 %
Temperature Coeffi cient (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
Environmental Characteristics
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
0.25 % ±0.05 Ω
Shock
0.5 % ±0.05 Ω
Vibration
0.5 % ±0.05 Ω
Characteristic Curve
Power (%)
Ambient Temperature (°C)
100
120
80
60
40
20
0
0 50 200150100 250 300 350
Asia-Pacifi c: 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
