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RW70U20R5F

Description
RES,AXIAL,WIREWOUND,20.5 OHMS,500WV,1% +/-TOL,-20,20PPM TC
CategoryThe resistor   
File Size110KB,4 Pages
ManufacturerSEI(Stackpole Electronics Inc.)
Websitehttps://www.seielect.com/
Environmental Compliance  
Download Datasheet Parametric View All

RW70U20R5F Overview

RES,AXIAL,WIREWOUND,20.5 OHMS,500WV,1% +/-TOL,-20,20PPM TC

RW70U20R5F Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerSEI(Stackpole Electronics Inc.)
Reach Compliance Codecompliant
ECCN codeEAR99
structureWelded
JESD-609 codee6
Lead diameter0.64 mm
Lead length38.1 mm
Manufacturer's serial numberWW
Number of terminals2
Maximum operating temperature350 °C
Minimum operating temperature-25 °C
Package diameter2.8 mm
Package length10.7 mm
Package formAxial
method of packingTR
Rated power dissipation(P)1 W
GuidelineMIL-R-26
resistance20.5 Ω
Resistor typeFIXED RESISTOR
seriesWW
technologyWIRE WOUND
Temperature Coefficient-20,20 ppm/°C
Tolerance1%
Operating Voltage500 V
Base Number Matches1
WW/MWW/NWW Series
General Purpose and Precision Wirewound Resistor
Features:
Stackpole Electronics, Inc.
Resistive Product Solutions
WWS offers miniature size at higher power rating
High performance for low cost
High power to size ratio
MWW – completely molded construction with welded terminations
Complete welded terminations
Tinned copper leads
Available in non-inductive styles
High temperature silicone coating
RoHS compliant
Higher operating temperatures may be available. Contact factory.
Electrical Specifications
Type / Code
MIL-R-26 Ref.
Dielectric
Strength
(V)
500V
500V
500V
1,000V
500V
1,000V
1,000V
1,000V
1,000V
1,000V
1,000V
1,000V
1,000V
1,000V
1,000V
1,000V
1,000V
1,000V
1,000V
1,000V
1,000V
1,000V
Power Rating
(Watts)
@ 25ºC
0.4W
1W
1W
1.5W
2.5W
2.5W
3W
3W
3W
4W
4W
5W
5W
6.5W
6.5W
7W
10W
10W
1W
3W
5W
10W
Resitance Temperature
Coefficient
Ohmic Range(Ω) and Tolerance(1)
0.1%, 0.5%, 1% & 5%
Standard
0.1 - 2K
0.1 - 3K
0.1 - 7K
0.1 - 10K
0.1 - 3K
0.1 - 15K
0.1 - 22K
0.1 - 10K
0.1 - 30K
0.1 - 40K
0.1 - 22K
0.1 - 50K
0.1 - 40K
0.1 - 70K
0.1 - 50K
0.1 - 100K
0.1 - 150K
0.1 - 100K
0.1 - 2K
0.1 - 20K
0.1 - 40K
0.1 - 150K
Non-Inductive
0.1 - 1K
0.1 - 1.5K
0.1 - 3.5K
0.1 - 5K
0.1 - 1.5K
0.1 - 7.5K
0.1 - 11K
0.1 - 5K
0.1 - 15K
0.1 - 20K
0.1 - 11K
0.1 - 25K
0.1 - 20K
0.1 - 35K
0.1 - 25K
0.1 - 50K
0.1 - 75K
0.1 - 50K
-
-
-
-
(N)WWH
-
(N)WW1
-
(N)WW1A
RW-70
(N)WW2
RW-69
(N)WWS2
-
(N)WW2A
-
(N)WW3
RW-79
(N)WWS3
RW-69
(N)WW3A
-
(N)WW4
-
(N)WWS4
RW-79
(N)WW5
RW-67, RW-74
(N)WWS5
-
(N)WW7
-
(N)WWS7
RW-67, RW-74
(N)WW7B
-
(N)WW10
RW-78
(N)WWS10
-
(N)MWW1
RW-70
(N)MWW3
RW-79
(N)MWW5
RW-67, RW-74
(N)MWW10
RW-68, RW-74
(1) Lesser of√PR or maximum working voltage
< 1Ω = ±90ppm/ºC
1Ω to 10Ω = ±50ppmºC
>10Ω = ±20ppm/ºC
Please refer to the High Power Resistor Application Note (page 4) for more information on designing and
implementing high power resistor types.
Rev Date: 08/11/2011
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
1
www.seielect.com
marketing@seielect.com
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