Features
■
Surface mount wirewound resistor
■
High power
■
Low temperature coefficient
■
RoHS compliant*
■
Non-inductive versions available
Applications
■
Power supplies
■
Motor drives
■
Electricity metering
PWR2615/PWR4525 Surface Mount Wirewound Power Resistors
General Information
The PWR2615/PWR4525 Series are surface mount wirewound resistors offering 1 and 2 W power ratings as well as a wide
resistance and operating temperature range.
Electrical Characteristics
Parameter
Resistance Range
1 % Based on E24+E96 Series
5 % Based on E24 Series
Resistance Range
(Non-Inductive Versions)
Based on E24 Series
Power Rating @ 70 °C
Maximum Working Voltage
Absolute Tolerance Values
Temperature Coefficient (TCR)
R>10 ohms
1 ohm≤R≤10 ohms
0.1 ohm
≤R<1
ohm
R<0.1 ohm
Operating Temperature
Insulation Resistance
Dielectric Strength
PWR2615
0.01 to 5K ohms
PWR4525
0.01 to 15K ohms
0.005 to 6K ohms
(For resistances >2K ohms,
please consult factory for availability)
0.005 to 2K ohms
1W
58 V
2W
173 V
0.5 % / 1 % / 5 %
±20 PPM/°C
±50 PPM/°C
±90 PPM/°C
±150 PPM/°C
-55 to +275 °C
>1000 megohms
1000 VAC
Environmental Characteristics
Tests per
MIL-STD-202
Short Time Overload
Load Life
Moisture Resistance
Thermal Shock
Resistance to Solder
Heat
Shock
Vibration
ΔR
Max.
0.5 % ±0.05
Ω
1.0 % ±0.05
Ω
1.0 % ±0.05
Ω
0.5 % ±0.05
Ω
0.25 % ±0.05
Ω
0.5 % ±0.05
Ω
0.5 % ±0.05
Ω
Physical Characteristics
Flammability ........Conforms to UL94V-0
Lead Frame Material
...............................Copper, tin-plated
Body Material ...................... Epoxy resin
Characteristic Curve
120
100
Power (%)
80
60
40
20
0
0
50
100 150
200
250
300
350
Ambient Temperature (°C)
Moisture Sensitivity Level .....................1
ESD Classification (HBM) .................N/A
WARNING Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
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.
PWR2615/PWR4525 Surface Mount Wirewound Power Resistors
Surge Performance (IEC 61000-4-5 1.2
μs
/ 50
μs)
7
6
PWR4525
Typical Part Marking
MANUFACTURER'S
TRADEMARK
(PWR4525)
10R0
YYWW
Peak Voltage (kV)
RESISTANCE
CODE
DATE CODE
5
4
3
2
1
0
0.1
1
10
100
1000
10000
100000
PWR615
Resistance (Ohms)
Product Dimensions
A
F
Recommended Pad Layout
L
H
B
DIMENSIONS:
MM
(INCHES)
W
C
D
Model
PWR2615
PWR4525
A
±0.4
(±0.015)
6.6
(0.260)
11.4
(0.450)
B
±0.4
(±0.015)
3.9
(0.155)
6.4
(0.250)
C
±0.4
(±0.015)
3.2
(0.125)
4.6
(0.180)
D
±0.4
(±0.015)
1.8
(0.070)
3.0
(0.120)
F
±0.4
(±0.015)
1.8
(0.070)
2.5
(0.100)
Lead
Thickness
±0.05
(±0.002)
0.15
(0.006)
0.15
(0.006)
W
±0.4
(±0.015)
2.4
(0.096)
3.9
(0.155)
H
±0.4
(±0.015)
2.8
(0.112)
5.8
(0.230)
L
±0.4
(±0.015)
8.6
(0.337)
13.7
(0.540)
Packaging Specifications
Pieces
per Reel
2000
1000
Bulk Pkg.
Quantity
250 pcs.
250 pcs.
Model
PWR2615
PWR4525
Tape
16 mm / Embossed Plastic
24 mm / Embossed Plastic
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.
PWR2615/PWR4525 Surface Mount Wirewound Power Resistors
Soldering Profile
275
<1>
Maximum of 20 seconds between
How to Order
260 °C peak
<1>
255 °C
PWR4525 W 7R50 J E
Model
• PWR2615
• PWR4525
Type
W = Wirewound Inductive
N = Wirewound Non-Inductive
Resistor Value for all Tolerances
<100
Ω
....“R” represents decimal
point (examples: 7R50 =
7.5
Ω;
R050 = 0.050
Ω)
≥100 Ω.....First
three digits are
significant, fourth digit rep-
resents number of zeros
to follow (examples: 2000
= 200
Ω;
2002 = 20K
Ω)
Absolute Tolerance*
D = ±0.5 % F = ±1 % J = ±5 %
Packaging
E = Tape & Reel
___ = Bulk
*Tolerances as low as 0.01 % available on
resistance values greater than 100 ohms.
Consult factory.
+255 °C and +260 °C
225
220 °C
Temperature (°C)
190 °C
175
150 °C
60 - 90
seconds
Ramp Down
6 °C/second
125
60 - 120 seconds
10 seconds minimum
75
Ramp Up
3 °C/second maximum
25
0
50
100
150
200
250
300
Time (seconds)
Asia-Pacific:
Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA:
Tel: +36 88 885 877 • Email: eurocus@bourns.com
The Americas:
Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
REV. 09/19
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.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns
®
products manufactured by or on behalf of Bourns, Inc. and
Unless otherwise expressly indicated in writing, Bourns
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product set forth in its data sheet are based on laboratory conditions, and
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requirements in generic applications. The characteristics and parameters of a Bourns
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