Features
■ Power ratings from 0.5 - 3 watts
Applications
■ Telecommunications
■ Large terminals and optimized body shape
■ Audio equipment
■ Medical equipment (low/medium risk)**
■ Base stations
for power dissipation
■ Excellent surge capabilities
■ Low TCR
■ Industrial equipment
■ Non-inductive versions available
■ RoHS compliant*
PWR2010/3014/4318/5322 - Surface Mount Wirewound Resistors
General Information
The PWR2010/3014/4318/5322 Series surface mount wirewound resistors boast a high power density and excellent pulse power
characteristics. They can be used in a wide range of applications where surge voltages or inrush currents are present.
Electrical Characteristics
Parameter
PWR2010
PWR3014
PWR4318
PWR5322
Power
0.5 W
1.0 W
2.0 W
3.0 W
Resistance Range
0.005 Ω - 1.2K Ω
0.1 Ω - 200 Ω
0.005 Ω - 5K Ω
0.1 Ω - 1K Ω
0.005 Ω - 12K Ω
0.1 Ω - 2.4K Ω
0.01 Ω - 20K Ω
0.1 Ω - 4K Ω
1 % Based on E24+E96 Series
5 % Based on E24 Series
Resistance Range
(Non-inductive Versions)
Based on E24 Series
Tolerance
0.5 % / 1 % / 5 %
Temperature Coefficient
<0.1 Ω
±200 PPM/°C
±90 PPM/˚C
±50 PPM/˚C
±20 PPM/˚C
0.1 - 0.99 Ω
1.0 - 10 Ω
>10 Ω
Operating Temperature
Maximum Voltage
-55 ˚ to 155 ˚C
√P*R
Environmental Characteristics
Test
Description
Specification
-55 +0 °C/-3 °C to 150 °C +3 °C/-0 °C, 5 cycles,
with minimum 15 minutes at each cycle
Thermal Shock
ΔR ±(2.0 % +0.05 Ω)
Short Time Overload
Solderability
Five times rated power for 5 seconds
ΔR ±(0.5 % +0.05 Ω)
90 % of contact covered in solder
ΔR ±(0.5 % +0.05 Ω)
Pass
Immersion in solder 260 °C ±5 ˚C for 5 ±0.5 seconds
Immersion in solder 260 °C ±5 ˚C for 5 ±0.5 seconds
Test voltage >500 Vrms for greater than 1 minute
Test voltage greater than 500 Vrms for one minute
Ambient temperature of 175 °C +5 ˚C/-0 ˚C for 250 ±8 hours
Ambient Temperature of -65C ±2C for 24 hours ±4 hours
Resistance to Solder Heat
Dielectric Strength
Insulation Resistance
High Temperature Exposure
Low Temperature Exposure
>1000 GΩ
ΔR ±(2.0 % +0.05 Ω)
ΔR ±(2.0 % +0.05 Ω)
Rated continuous voltage for 1000 hours (1 hour on and 0.5 hours
off) at a test temperature of 70°C ±2 °C
Load Life
ΔR ±(2.0 % +0.05 Ω)
Environmental Characteristics (Cont’d)
Moisture Sensitivity Level.....................1
ESD Classification (HBM).................N/A
Physical Characteristics
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Body Material....................... Epoxy resin
Lead Frame.... 100 % Sn Plated Copper
Flammability ....... Conforms to UL 94V-0
*
RoHS Directive 2015/863, Mar 31, 2015 and Annex.
** Bourns® products have not been designed for and are not intended for use in “lifesaving,” “life-critical” or “life-
sustaining” applications nor any other applications where failure or malfunction of the Bourns® product may result
in personal injury or death. See Legal Disclaimer Notice www.bourns.com/docs/legal/disclaimer.pdf.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page
of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.