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PWR2010WR255F

Description
Fixed Resistor, Wire Wound, 0.5W, 0.255ohm, 1% +/-Tol, 90ppm/Cel, Surface Mount, 2010, CHIP, ROHS COMPLIANT
CategoryPassive components    The resistor   
File Size138KB,4 Pages
ManufacturerBourns
Websitehttp://www.bourns.com
Environmental Compliance  
Download Datasheet Parametric View All

PWR2010WR255F Overview

Fixed Resistor, Wire Wound, 0.5W, 0.255ohm, 1% +/-Tol, 90ppm/Cel, Surface Mount, 2010, CHIP, ROHS COMPLIANT

PWR2010WR255F Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1987307569
package instructionCHIP
Reach Compliance Codecompliant
Country Of OriginTaiwan
ECCN codeEAR99
YTEOL7.75
structureRectangular
JESD-609 codee3
Installation featuresSURFACE MOUNT
Number of terminals2
Maximum operating temperature155 °C
Minimum operating temperature-55 °C
Package height3.25 mm
Package length5.08 mm
Package formSMT
Package width2.54 mm
method of packingBULK
Rated power dissipation(P)0.5 W
Rated temperature75 °C
resistance0.255 Ω
Resistor typeFIXED RESISTOR
size code2010
surface mountYES
technologyWIRE WOUND
Temperature Coefficient90 ppm/°C
Terminal surfaceMatte Tin (Sn)
Terminal shapeWRAPAROUND
Tolerance1%
IA
NT
Features
Power ratings from 0.5 - 3 watts
Large terminals and optimized body shape
Applications
Telecommunications
Audio equipment
Medical equipment (low/medium risk)**
Base stations
Industrial equipment
oH
S
CO
M
PL
for power dissipation
Excellent surge capabilities
Low TCR
Non-inductive versions available
RoHS compliant*
*R
PWR2010/3014/4318/5322
-
Surface Mount Wirewound Resistors
General Information
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.
Electrical Characteristics
Parameter
Power
Resistance Range
1 % Based on E24+E96 Series
5 % Based on E24 Series
Resistance Range
(Non-inductive Versions)
Based on E24 Series
Tolerance
Temperature Coefficient
<0.1
Ω
0.1 - 0.99
Ω
1.0 - 10
Ω
>10
Ω
Operating Temperature
Maximum Voltage
PWR2010
0.5 W
0.005
Ω
- 1.2K
Ω
PWR3014
1.0 W
0.005
Ω
- 5K
Ω
PWR4318
2.0 W
0.005
Ω
- 12K
Ω
PWR5322
3.0 W
0.01
Ω
- 20K
Ω
0.1
Ω
- 200
Ω
0.1
Ω
- 1K
Ω
0.1
Ω
- 2.4K
Ω
0.1
Ω
- 4K
Ω
0.5 % / 1 % / 5 %
±200 PPM/°C
±90 PPM/˚C
±50 PPM/˚C
±20 PPM/˚C
-55 ˚ to 155 ˚C
√P*R
Environmental Characteristics
Test
Thermal Shock
Short Time Overload
Solderability
Resistance to Solder Heat
Dielectric Strength
Insulation Resistance
High Temperature Exposure
Low Temperature Exposure
Load Life
Description
-55 +0 °C/-3 °C to 150 °C +3 °C/-0 °C, 5 cycles,
with minimum 15 minutes at each cycle
Five times rated power for 5 seconds
Immersion in solder 260 °C ±5 ˚C for 5 ±0.5 seconds
Immersion in solder 260 °C ±5 ˚C for 5 ±0.5 seconds
Test voltage >500 Vrms for greater than 1 minute
Test voltage greater than 500 Vrms for one minute
Ambient temperature of 175 °C +5 ˚C/-0 ˚C for 250 ±8 hours
Ambient Temperature of -65C ±2C for 24 hours ±4 hours
Rated continuous voltage for 1000 hours (1 hour on and 0.5 hours
off) at a test temperature of 70°C ±2 °C
Specification
ΔR
±(2.0 % +0.05
Ω)
ΔR
±(0.5 % +0.05
Ω)
90 % of contact covered in solder
ΔR
±(0.5 % +0.05
Ω)
Pass
>1000 GΩ
ΔR
±(2.0 % +0.05
Ω)
ΔR
±(2.0 % +0.05
Ω)
ΔR
±(2.0 % +0.05
Ω)
Environmental Characteristics
(Cont’d)
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.
** Bourns® products have not been designed for and are not intended for use in “lifesaving,” “life-critical” or “life-
sustaining” applications nor any other applications where failure or malfunction of the Bourns® product may result
in personal injury or death. See Legal Disclaimer Notice
www.bourns.com/docs/legal/disclaimer.pdf.
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.
Physical Characteristics
Body Material....................... Epoxy resin
Lead Frame .... 100 % Sn Plated Copper
Flammability ....... Conforms to UL 94V-0
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