Datasheet

Features
■ Power ratings from 0.5 - 3 watts
■ Large terminals and optimized body shape
for power dissipation
■ Excellent surge capabilities
■ Low TCR
■ RoHS compliant*
Applications
■ Telecommunications
■ Audio equipment
■ Medical equipment
■ Base stations
■ Industrial equipment
Electrical Characteristics
PWR2010/3014/4318/5322 - Surface Mount Wirewound Resistors
*RoHS COMPLIANT
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
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.
Parameter PWR2010 PWR3014 PWR4318 PWR5322
Power 0.5 W 1.0 W 2.0 W 3.0 W
Resistance Range
(E24 Values)
0.1 Ω - 1K Ω 0.1 Ω - 4K Ω 0.1 Ω - 8K Ω 0.1 Ω - 15K Ω
Tolerance 0.5 % / 1 % / 5 %
Temperature Coeffi cient
0.1 - 0.99 Ω
1.0 - 10 Ω
>10 Ω
±90 PPM/˚C
±50 PPM/˚C
±20 PPM/˚C
Operating Temperature -55 ˚ to 155 ˚C
Maximum Voltage √P*R
Physical Characteristics
Body Material....................... Epoxy resin
Lead Frame .... 100 % Sn Plated Copper
Power Derating Curve
Power (%)
Ambient Temperature (°C)
100
120
80
60
40
20
0
0 50 12510075 150 175 200
Temperature Rise
Temperature Rise (°C)
POWER (W)
125
100
150
75
50
25
0
0210.5 3
Environmental Characteristics
Test Description Specifi cation
Thermal Shock
-55 +0 °C/-3 °C to 150 °C +3 °C/-0 °C, 5 cycles,
with minimum 15 minutes at each cycle
ΔR ±(2.0 % +0.05 Ω)
Short Time Overload Five times rated power for 5 seconds ΔR ±(0.5 % +0.05 Ω)
Solderability Immersion in solder 260 °C ±5 ˚C for 5 ±0.5 seconds 90 % of contact covered in solder
Resistance to Solder Heat Immersion in solder 260 °C ±5 ˚C for 5 ±0.5 seconds ΔR ±(0.5 % +0.05 Ω)
Dielectric Strength Test voltage >500 Vrms for greater than 1 minute Pass
Insulation Resistance Test voltage greater than 500 Vrms for one minute >1000 GΩ
High Temperature Exposure Ambient temperature of 175 °C +5 ˚C/-0 ˚C for 250 ±8 hours ΔR ±(2.0 % +0.05 Ω)
Low Temperature Exposure Ambient Temperature of -65C ±2C for 24 hours ±4 hours ΔR ±(2.0 % +0.05 Ω)
Load Life
Rated continuous voltage for 1000 hours (1 hour on and 0.5 hours
off) at a test temperature of 70°C ±2 °C
ΔR ±(2.0 % +0.05 Ω)
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