NT
Features
■
Surface mount wirewound resistor
■
High power
■
Low temperature coefficient
■
RoHS compliant*
■
Non-inductive versions available
Applications
■
Power supplies
■
Motor drives
■
Electricity metering
*R
oH
S
CO
M
PL
IA
PWR1913/PWR2615/PWR4525/PWR6327 Surface Mount Wirewound Power Resistors
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.
Electrical Characteristics
Parameter
Resistance Range
Resistance Range
(Non-Inductive Version)
Power Rating @ 70 °C
Maximum Working Voltage
Absolute Tolerance Values
Temperature Coefficient (TCR)
R>10 ohms
1 ohm≤R≤10 ohms
R<1 ohm
Operating Temperature
Insulation Resistance
Dielectric Strength
PWR1913
0.01 to 400 ohms
Not Available
0.5 W
33 V
PWR2615
0.01 to 3K ohms
0.01 to 1.5K ohms
1W
58 V
1%/ 5%
±20 PPM/°C
±50 PPM/°C
±150 PPM/°C
-55 to +275 °C
>1000 megohms
1000 VAC
PWR4525
0.01 to 15K ohms
0.01 to 7.5K ohms
2W
173 V
PWR6327
0.01 to 25K ohms
0.01 to 12.5K ohms
3W
273 V
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)
Asia-Pacific:
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
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
PWR1913/PWR2615/PWR4525/PWR6327 Surface Mount Wirewound Power Resistors
Product Dimensions
A
F
E DIA.
Recommended Pad Layout
L
H
B
DIMENSIONS:
MM
(INCHES)
W
C
D
Model
PWR1913
PWR2615
PWR4525
PWR6327
A
±0.4
(±0.015)
4.8
(0.190)
6.6
(0.260)
11.4
(0.450)
15.9
(0.625)
B
±0.4
(±0.015)
3.3
(0.130)
3.9
(0.155)
6.4
(0.250)
6.9
(0.270)
C
±0.4
(±0.015)
2.8
(0.110)
3.2
(0.125)
4.6
(0.180)
6.4
(0.250)
D
±0.4
(±0.015)
1.5
(0.060)
1.8
(0.070)
3.0
(0.120)
3.0
(0.120)
F
±0.4
(±0.015)
1.0
(0.040)
1.8
(0.070)
2.5
(0.100)
3.4
(0.135)
Lead
Thickness
±0.05
(±0.002)
0.15
(0.006)
0.15
(0.006)
0.15
(0.006)
0.15
(0.006)
E
±0.4
(±0.015)
2.5
(0.100)
3.0
(0.120)
4.8
(0.190)
2.8
(0.110)
Height
±0.13
(±0.005)
0.13
(0.005)
0.13
(0.005)
0.13
(0.005)
0.13
(0.005)
W
±0.4
(±0.015)
1.6
(0.062)
2.4
(0.096)
3.9
(0.155)
5.1
(0.200)
H
±0.4
(±0.015)
2.5
(0.100)
2.8
(0.112)
5.8
(0.230)
3.8
(0.150)
L
±0.4
(±0.015)
6.4
(0.250)
8.6
(0.337)
13.7
(0.540)
17.8
(0.700)
Packaging Specifications
Pieces
per Reel
3000
2000
1000
700
Bulk Pkg.
Quantity
250 pcs.
250 pcs.
250 pcs.
250 pcs.
Typical Part Marking
MANUFACTURER'S
TRADEMARK
RESISTANCE
CODE
005
YYWW
J
DATE CODE
RESISTANCE
TOLERANCE
Model
PWR1913
PWR2615
PWR4525
PWR6327
Tape
12 mm / Embossed Plastic
16 mm / Embossed Plastic
24 mm / Embossed Plastic
28 mm / Embossed Plastic
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.
How to Order
Soldering Profile
275
<1>
Maximum of 20 seconds between
PWR4525 W 7R50 J E
260 °C peak
<1>
255 °C
+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
Time (seconds)
200
250
300
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
significant, 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.
REV. 01/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
