EEWORLDEEWORLDEEWORLD

Part Number

Search

RWR71N3R20DRS70

Description
RESISTOR, WIRE WOUND, 2 W, 0.5 %, 50 ppm, 3.2 ohm, THROUGH HOLE MOUNT, AXIAL LEADED
CategoryPassive components    The resistor   
File Size158KB,3 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
Download Datasheet Parametric View All

RWR71N3R20DRS70 Overview

RESISTOR, WIRE WOUND, 2 W, 0.5 %, 50 ppm, 3.2 ohm, THROUGH HOLE MOUNT, AXIAL LEADED

RWR71N3R20DRS70 Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
package instructionAxial,
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresNON INDUCTIVE
structureTubular
JESD-609 codee0
Lead diameter0.813 mm
Lead length38.1 mm
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature250 °C
Minimum operating temperature-55 °C
Package diameter4.75 mm
Package length20.62 mm
Package formAxial
method of packingTR
Rated power dissipation(P)2 W
Rated temperature25 °C
GuidelineMIL-PRF-39007
resistance3.2 Ω
Resistor typeFIXED RESISTOR
surface mountNO
technologyWIRE WOUND
Temperature Coefficient50 ppm/°C
Terminal surfaceTin/Lead (Sn60Pb40)
Terminal shapeWIRE
Tolerance0.5%
Operating Voltage2.5298 V
RWR Military
www.vishay.com
Vishay Dale
Wirewound Resistors, Military/Established Reliability,
MIL-PRF-39007 Qualified, Type RWR, R Level, Axial Lead
FEATURES
High temperature silicone coated
Complete welded construction
Qualified to MIL-PRF-39007
Available in non-inductive styles (type N) with Aryton-Perry
winding for lowest reactive components
“S” level failure rate available
Note
• “Terminal Wire and Winding” type “W” and “Z” are not listed
below but are available upon request. Please reference
MIL-PRF-39007 QPL for approved “failure rate” and “resistance
tolerance/ranges”
STANDARD ELECTRICAL SPECIFICATIONS
MILITARY MODEL
RWR81S
RWR81N
RWR82S
RWR82N
RWR80S
RWR80N
RWR71S
RWR71N
RWR89S
RWR89N
RWR74S
RWR74N
RWR84S
RWR84N
RWR78S
RWR78N
VISHAY REFERENCE
MODEL
EGS-1-80
EGN-1-80
EGS-2
EGN-2
EGS-3-80
EGN-3-80
ESS-2A
ESN-2A
ESS-2B
ESN-2B
ESS-5
ESN-5
EGS-10-80
EGN-10-80
ESS-10
ESN-10
POWER RATING
P
25 °C
W
1
1
2
2
2
2
2
2
3
3
5
5
7
7
10
10
RESISTANCE RANGE
± 0.1 %
0.499 to 1K
0.499 to 499
0.499 to 1.3K
0.499 to 649
0.499 to 3.16K
0.499 to 1.58K
0.499 to 12.1K
0.499 to 6.04K
0.499 to 4.12K
0.499 to 2.05K
0.499 to 12.1K
0.499 to 6.04K
0.499 to 12.4K
0.499 to 6.19K
0.499 to 39.2K
0.499 to 19.6K
RESISTANCE RANGE
± 0.5 %, ± 1 %
0.1 to 1K
0.1 to 499
0.1 to 1.3K
0.1 to 649
0.1 to 3.16K
0.1 to 1.58K
0.1 to 12.1K
0.1 to 6.04K
0.1 to 4.12K
0.1 to 2.05K
0.1 to 12.1K
0.1 to 6.04K
0.1 to 12.4K
0.1 to 6.19K
0.1 to 39.2K
0.1 to 19.6K
WEIGHT
(typical) g
0.21
0.21
0.23
0.23
0.34
0.34
0.90
0.90
0.70
0.70
4.2
4.2
3.6
3.6
9.0
9.0
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
RWR RESISTOR CHARACTERISTICS
Temperature Coefficient
ppm/°C ± 20 for 10
and above; ± 50 for 1.1
to 10
;
± 400 for 0.505
to 1
;
± 650 for 0.1
to 0.499
500 minimum for 2 W and smaller, 1000 minimum for 3 W and larger
Dielectric Withstanding Voltage
V
AC
5 x rated power for 5 s for 3 W size and smaller,
Short Time Overload
-
10 x rated power for 5 s for 5 W size and greater
Maximum Working Voltage
V
(P x
R)
1/2
Insulation Resistance
.
1000 M minimum dry, 100 M minimum after moisture test
Terminal Strength
lb
5 minimum for 2 W and smaller, 10 minimum for 3 W and larger
Solderability
-
Meets requirements of ANSI J-STD-002
Operating Temperature Range
°C
- 65 to + 250
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: RWR74S49R9FSB12
R
MIL TYPE
RWR71
RWR74
RWR78
RWR80
RWR81
RWR82
RWR84
RWR89
W
R
7
4
S
4
9
R
9
F
S
B
1
2
PACKAGING CODE
B12
= Bulk pack
S70
= Tape/reel
(smaller than 5 W)
S73
= Tape/reel
(5 W and higher)
BSL
= Bulk pack,
single lot date code
RSL
= Tape/reel,
single lot date code
TERMINAL WIRE AND WINDING
S
= Solderable, inductive
N
= Solderable, non-inductive
W
= Weldable, inductive
(1)
Z
= Weldable, non-inductive
(1)
RESISTANCE VALUE
3 digit significant figure,
followed by a multiplier
49R9
= 49.9
1000
= 100
1001
= 1000
TOLERANCE CODE
B
= ± 0.1 %
D
= ± 0.5 %
F
= ± 1.0 %
FAILURE RATE
M
= 1.0 %/1000 h
P
= 0.1 %/1000 h
R
= 0.01 %/1000 h
S
= 0.001 %/1000 h
(1)
Note
Note that “W” and “Z” are not listed above but are available, see MIL-PRF-39007 QPL for available resistance values.
1
For technical questions, contact:
ww2bresistors@vishay.com
Revision: 12-Sep-11
Document Number: 30203
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
Does vxworks support inet_ntoa function? Which header files should be included? Thank you
Does vxworks support inet_ntoa function? Which header files should be included? Thank you...
gdxxhe Real-time operating system RTOS
Atmel SAM R21 Problem Collection (Part 2)
[i=s]This post was last edited by dj狂人 on 2015-1-15 11:04[/i] The collection of questions was originally proposed by Lan Yuye. This idea is indeed a good one, and it brings together ideas from all sid...
dj狂人 Microchip MCU
SensorTile.box Bluetooth connection
[i=s]This post was last edited by tinnu on 2020-6-21 23:06[/i]A Bluetooth device can send multiple services (supporting multiple service UUIDs), each service (service UUID) can have multiple character...
tinnu ST MEMS Sensor Creative Design Competition
How to highlight an item in a pop-up menu in WinCE5.0
I use TrackPopupMenu to display a popup menu, but I can't highlight an item. I've tried several methods: 1. CMenu does not support the highlight function CMenu::SetDefaultItem. 2. The API function Set...
lkangj1987 Embedded System
May I ask how moderator 2812 handles the unused AD pins?
Should the unused AD input pins of 2812 be pulled down to analog ground using resistors or capacitors?...
you168you Microcontroller MCU
A Complete Guide to FPGA Design and Development
[size=4][color=#ff0000]Electronic Engineers' Essential Treasures for Innovative Design[/color][/size][color=#ff00][size=4]A Complete Guide to FPGA Development[/size][/color] [size=4][color=#ff0000] [/...
dailiang2015 FPGA/CPLD

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 62  1414  4  1245  1925  2  29  1  26  39 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号