Features
n Power ratings from 0.5 - 3 watts
n Large terminals and optimized body shape
for power dissipation
n Excellent surge capabilities
n Low TCR
n RoHS compliant*
Applications
n Telecommunications
n Audio equipment
n Medical equipment
n Base stations
n Industrial equipment
Electrical Characteristics
PWR2010/3014/4318/5322 - Surface Mount Wirewound Resistors
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific 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 Coefcient
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
Flammability ....... Conforms to UL 94V-0
Power Derating Curve
Power (%)
100
120
80
60
40
20
0
050 12510075 150 175 200
Temperature Rise (°C)
POWER (W)
125
100
150
75
50
25
0
0210.5 3
Temperature Rise
Power (%)
Ambient Temperature (°C)
100
120
80
60
40
20
0
050 12510075 150 175 200
Temperature Rise (°C)
125
100
150
75
50
25
0
10.5 3
Environmental Characteristics
Test Description Specication
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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Tel: +886-2 2562-4117
Fax: +886-2 2562-4116
Europe:
Tel: +41-41 768 5555
Fax: +41-41 768 5510
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Tel: +1-951 781-5500
Fax: +1-951 781-5700
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