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.
*RoHS COMPLIANT
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
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
PWR1913/PWR2615/PWR4525/PWR6327 Surface Mount Wirewound Power Resistors
Product Dimensions
How to Order
PWR4525 W 7R50 J E
Model
PWR1913 PWR4525
PWR2615 PWR6327
Type
W = Wirewound Inductive
N = Wirewound Non-Inductive
(Not available for PWR1913)
Resistor Value for all Tolerances
<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 rep-
resents number of zeros
to follow (examples: 2000
= 200 Ω; 2002 = 20K Ω)
Absolute Tolerance*
J = ±5 % F = ±1 %
Packaging
E = Tape & Reel ___ = Bulk
*Tolerances as low as 0.01 % available on
resistance values greater than 100 ohms.
Consult factory.
A
C
FE DIA.
B
D
Recommended Pad Layout
LH
W
DIMENSIONS: MM
(INCHES)
Model
A
±0.4
(±0.015)
B
±0.4
(±0.015)
C
±0.4
(±0.015)
D
±0.4
(±0.015)
F
±0.4
(±0.015)
Lead
Thickness
±0.05
(±0.002)
E
±0.4
(±0.015)
Height
±0.13
(±0.005)
W
±0.4
(±0.015)
H
±0.4
(±0.015)
L
±0.4
(±0.015)
PWR1913 4.8
(0.190)
3.3
(0.130)
2.8
(0.110)
1.5
(0.060)
1.0
(0.040)
0.15
(0.006)
2.5
(0.100)
0.13
(0.005)
1.6
(0.062)
2.5
(0.100)
6.4
(0.250)
PWR2615 6.6
(0.260)
3.9
(0.155)
3.2
(0.125)
1.8
(0.070)
1.8
(0.070)
0.15
(0.006)
3.0
(0.120)
0.13
(0.005)
2.4
(0.096)
2.8
(0.112)
8.6
(0.337)
PWR4525 11.4
(0.450)
6.4
(0.250)
4.6
(0.180)
3.0
(0.120)
2.5
(0.100)
0.15
(0.006)
4.8
(0.190)
0.13
(0.005)
3.9
(0.155)
5.8
(0.230)
13.7
(0.540)
PWR6327 15.9
(0.625)
6.9
(0.270)
6.4
(0.250)
3.0
(0.120)
3.4
(0.135)
0.15
(0.006)
2.8
(0.110)
0.13
(0.005)
5.1
(0.200)
3.8
(0.150)
17.8
(0.700)
Packaging Specifi cations Typical Part Marking
Model Tape
Pieces
per Reel
Bulk Pkg.
Quantity
PWR1913 12 mm / Embossed Plastic 3000 250 pcs.
PWR2615 16 mm / Embossed Plastic 2000 250 pcs.
PWR4525 24 mm / Embossed Plastic 1000 250 pcs.
PWR6327 28 mm / Embossed Plastic 700 250 pcs.
Note: PWR1913 will contain only the
Resistance Code on the top line and
the Resistance Tolerance on the bottom
line. PWR2615 will not contain the
Manufacturer’s Trademark.
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
260 °C peak
190 °C
150 °C
220 °C
Ramp Down
6 °C/second
255 °C
Maximum of 20 seconds between
+255 °C and +260 °C
Ramp Up
3 °C/second maximum
10 seconds minimum
<1>
<1>
REV. 01/11
MANUFACTURER'S
TRADEMARK
RESISTANCE
CODE
005 J
YYWW DATE CODE
RESISTANCE
TOLERANCE
