Features
n Surface mount wirewound resistor
n High power
n Low temperature coefficient
n RoHS compliant*
n Non-inductive versions available
Applications
n Power supplies
n Motor drives
n Electricity metering
PWR2615/PWR4525 Surface Mount Wirewound Power Resistors
*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 PWR2615/PWR4525 Series are surface mount wirewound resistors oering 1 and 2 W power ratings as well as a wide
resistance and operating temperature range.
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
Physical Characteristics
Flammability ........Conforms to UL94V-0
Lead Frame Material
...............................Copper, tin-plated
Body Material ...................... Epoxy resin
Electrical Characteristics
Parameter PWR2615 PWR4525
Resistance Range
1 % Based on E24+E96 Series
5 % Based on E24 Series
0.01 to 5K ohms 0.01 to 15K ohms
Resistance Range
(Non-Inductive Versions)
Based on E24 Series
0.005 to 2K ohms
0.005 to 6K ohms
(For resistances >2K ohms,
please consult factory for availability)
Power Rating @ 70 °C 1 W 2 W
Maximum Working Voltage 58 V 173 V
Absolute Tolerance Values 0.5 % / 1 % / 5 %
Temperature Coecient (TCR)
R>10 ohms
1 ohm≤R≤10 ohms
0.1 ohm ≤R<1 ohm
R<0.1 ohm
±20 PPM/°C
±50 PPM/°C
±90 PPM/°C
±150 PPM/°C
Operating Temperature -55 to +275 °C
Insulation Resistance >1000 megohms
Dielectric Strength 1000 VAC
Characteristic Curve
Power (%)
Ambient Temperature (ϒC)
100
120
80
60
40
20
0
050 200150100 250 300 350
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
Moisture Sensitivity Level .....................1
ESD Classication (HBM) .................N/A
