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.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications
General Information
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
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 0.1 Ω - 1K Ω0.1 Ω - 4K Ω0.1 Ω - 8K Ω0.1 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)
PWR4318 W __ 10R0 J E
Model
PWR2010
PWR3014
PWR4318
PWR5322
Type
W = Wirewound
Special Version
Blank = Default
Resistance Value
<100 ohms ... “R” represents decimal
point (examples: 7R50 =
7.5 Ω; R050 = 0.050 Ω)
≥100 ohms ... First three digits are
signifi cant, fourth digit
represents number of
zeros to follow (exam-
ples: 2000 = 200 ohms;
2002 = 20K ohms)
Resistance Tolerance
J = 5 %
F = 1 %
D = 0.5 %
Packaging
E = Tape & Reel
Blank = Bulk
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications
Product Dimensions
PWR2010/3014/4318/5322 - Surface Mount Wirewound Resistors
How to Order
Model A F L C B D W H
PWR2010 5.08
(0.20)
1.28
(0.05)
6.48
(0.255)
3.25
(0.128)
2.54
(0.10)
1.663
(0.065)
1.98
(0.078)
2.16
(0.085)
PWR3014 7.5
(0.29)
1.75
(0.069)
8.9
(0.35)
4.64
(0.183)
3.50
(0.138)
2.405
(0.095)
2.45
(0.096)
2.95
(0.116)
PWR4318 11.0
(0.43)
2.00
(0.079)
12.5
(0.49)
4.65
(0.189)
4.50
(0.177)
3.590
(0.141)
3.20
(0.126)
3.70
(0.146)
PWR5322 13.5
(0.53)
2.50
(0.098)
14.9
(0.587)
5.65
(0.229)
5.50
(0.217)
4.20
(0.165)
3.70
(0.146)
4.20
(0.165)
Recommended Pad Layout
REV. 07/09
A
C
F
B
D
LH
W
DIMENSIONS: MM
(INCHES)
Packaging Specifi cations
Model Tap e
Width
Reel
Diameter
Pieces
per Reel
Bulk Pkg.
Quantity
PWR2010 12.0
(0.472)
330
(13.0)
2500 200
PWR3014 16.0
(0.629) 1500 200
PWR4318 24.0
(0.945) 1500 100
PWR5322 24.0
(0.945) 1500 100
Typical Part Marking
MANUFACTURER'S
TRADEMARK RESISTANCE
CODE
10R0
YYWW DATE CODE
Soldering Profi le
25
75
125
175
225
275
0 50 100 150 200 250 300
Time (seconds)
Temperature (°C)
60 - 120 seconds
60 - 90
seconds
250 °C peak
190 °C
150 °C
220 °C
Ramp Down
6 °C/second
245 °C
Maximum of 20 seconds between
+245 °C and +250 °C
Ramp Up
3 °C/second maximum
10 seconds minimum
<1>
<1>
TOLERANCE: ± 0.508
(0.02)
