EEWORLDEEWORLDEEWORLD

Part Number

Search

RWR74N37R0DSRSL

Description
RESISTOR, WIRE WOUND, 5 W, 0.5 %, 20 ppm, 37 ohm, THROUGH HOLE MOUNT, AXIAL LEADED
CategoryPassive components    The resistor   
File Size158KB,3 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
Download Datasheet Parametric View All

RWR74N37R0DSRSL Overview

RESISTOR, WIRE WOUND, 5 W, 0.5 %, 20 ppm, 37 ohm, THROUGH HOLE MOUNT, AXIAL LEADED

RWR74N37R0DSRSL Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerVishay
package instructionAxial,
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresNON INDUCTIVE
structureTubular
JESD-609 codee0
Lead diameter1.02 mm
Lead length38.1 mm
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature250 °C
Minimum operating temperature-55 °C
Package diameter7.92 mm
Package length22.23 mm
Package formAxial
method of packingTR
Rated power dissipation(P)5 W
Rated temperature25 °C
GuidelineMIL-PRF-39007
resistance37 Ω
Resistor typeFIXED RESISTOR
surface mountNO
technologyWIRE WOUND
Temperature Coefficient30 ppm/°C
Terminal surfaceTin/Lead (Sn60Pb40)
Terminal shapeWIRE
Tolerance0.5%
Operating Voltage13.6015 V
Base Number Matches1
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
pxa270 power management i2c interface problem
According to the DATASHEET of PXA270, I turned on the clock of the power management unit, set PWRMODE[VC]=1 of the coprocessor cp17, and sent a voltage change command to the power chip through the ded...
gouri Embedded System
What is the value of C_DEFINES in the sources file of the driver? How to view and change it?
In DDK driver development, you need to set the compiler switch in the source file. Generally, you use C_DEFINES=$(C_DEFINES) -DUNICODE -D_UNICODE to set C_DEFINES, which is an environment variable. My...
lutcn Embedded System
Zero voltage detection circuit of switch tube
?xml:namespace prefix = v ns = "urn:schemas-microsoft-com:vml" /?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /...
wh199898 Test/Measurement
How to be a qualified hardware engineer?
Hey, I have been messing around with wince drivers for a year, and now the company has given me a new task, which is to participate in the design of the company's hardware - 2440 PDA. Although I learn...
wpbjtu Embedded System
Single chip remote control plus manual LED dimmer
Single chip remote control plus manual LED dimmer, the program is difficult to upload due to various reasons, enthusiasts who want it can add me Q: 3060265199 to ask me for it...
弓虽强008 51mcu
Model-based vehicle electrical and electronic architecture...
[font=宋体][size=12.0pt] The development process generally adopted by the model-based electronic and electrical architecture development method is: determine the market positioning of the vehicle model,...
yutianku Automotive Electronics

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2173  377  2855  567  2479  44  8  58  12  50 
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