EEWORLDEEWORLDEEWORLD

Part Number

Search

WW1A4990.5%R

Description
RESISTOR, WIRE WOUND, 1W, 0.5%, 20ppm, 499ohm, THROUGH HOLE MOUNT, AXIAL LEADED, ROHS COMPLIANT
CategoryPassive components    The resistor   
File Size95KB,3 Pages
ManufacturerSEI(Stackpole Electronics Inc.)
Websitehttps://www.seielect.com/
Environmental Compliance
Download Datasheet Parametric View All

WW1A4990.5%R Overview

RESISTOR, WIRE WOUND, 1W, 0.5%, 20ppm, 499ohm, THROUGH HOLE MOUNT, AXIAL LEADED, ROHS COMPLIANT

WW1A4990.5%R Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerSEI(Stackpole Electronics Inc.)
package instruction,
Reach Compliance Codecompli
ECCN codeEAR99
Other featuresPRECISION
JESD-609 codee3
Manufacturer's serial numberWW
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature275 °C
Minimum operating temperature-55 °C
Package shapeTUBULAR PACKAGE
method of packingTR
Rated power dissipation(P)1 W
Rated temperature125 °C
resistance499 Ω
Resistor typeFIXED RESISTOR
surface mountNO
technologyWIRE WOUND
Temperature Coefficient20 ppm/°C
Terminal surfaceMatte Tin (Sn)
Terminal shapeWIRE
Tolerance0.5%
WW/MWW Series
General Purpose and Precision Wirewound
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 tested to MIL-R-39007
Complete welded terminations
Tinned copper leads
Available in non-inductive styles
High temperature silicone coating
RoHS compliant / lead-free
Electrical Specifications
Type / Code
WW H
WW 1 / WWS 2
WW 1A
WW 2 / WWS 3
WW 2A
WW 3 / WWS 4
WW 3A
WW 4 / WWS 5
WW 5 / WWS 7
WW 7
WW 7B / WWS 10
WW 10
MWW 1
MWW 3
MWW 5
MWW 10
MIL-R-26 Ref.
-
-
RW-70
RW-69
-
RW-79
-
-
RW-67, RW-74
-
-
RW-78
RW-70
RW-79
RW-67, RW-74
RW-68, RW-74
Dielectric
Power Rating (Watts)
Strength
(V)
@ 125ºC (U) @ 25ºC (V)
500V
500V
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
0.4W
1W
1W
1.5W
2.5W
3W
3W
4W
5W
6.5W
7W
10W
1W
3W
5W
10W
0.6W
1.2W
1.5W
2.5W
3W
3.7W
4W
5W
6W
8.5W
9W
13W
1.5W
3.75W
6.5W
13W
>10Ω = ±20ppm/ºC
1Ω to 10Ω = ±50ppmºC
< 1Ω = ±90ppm/ºC
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 - 15K
0.1 - 22K
0.1 - 30K
0.1 - 40K
0.1 - 50K
0.1 - 70K
0.1 - 100K
0.1 - 150K
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 - 7.5K
0.1 - 11K
0.1 - 15K
0.1 - 20K
0.1 - 25K
0.1 - 35K
0.1 - 50K
0.1 - 75K
-
-
-
-
(1) Lesser of√PR or maximum working voltage
How to Order
SEI Type
Code
Nominal
Resistance
Tolerance
Packaging
WW
Type
WW
WWS
MWW
NWW
Description
Standard
Mini
Molded
Non-Inductive
1
1A
2
2A
3
3A
1
Code
4
5
7
7B
10
H
10K
1%
Tolerance
0.1%
0.5%
1%
5%
R
Types
WW H, WW 1, WWS2, WW 1A, MWW 1
WW 2, WWS3, WW 2A, WW 3, WWS4,
WW 4, WWS5, MWW 3
WW 3A
WW 5, WWS7, WW 7, WW 7B, WWS10,
WW 10, MWW 5
WW 10, MWW 10
Qty
2,500
2,000
5,000
500
250
11" Flange
R
Description
Code
Rev Date: 04/23/2010
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
79
www.seielect.com
marketing@seielect.com
Problems encountered when learning C
I'm learning C now. I bought a book called C Programming by Tan Haoqiang and read it at home while writing on the computer. I found that I could understand it after reading it several times, but I cou...
zjjone1023 Embedded System
Circuit Diagram 32-Analysis of Negative Voltage and Voltage Doubler Rectification Circuit Principles
[i=s]This post was last edited by tiankai001 on 2018-2-11 10:54[/i] [b]1. Negative voltage rectifier circuit[/b][align=left][color=rgb(34, 34, 34)][font="]If a negative voltage is required, a negative...
tiankai001 Integrated technical exchanges
Ask for advice on socket programming under wince
Question 1: The following is part of the server program. After accept is successful, the client sends two messages to the server, "01" and "02". It is found that if the size of szText[] is changed to ...
wmj820303 Embedded System
Wolverine's LCD Sharp LCD BoosterPack
I found the LCD data of Wolverine on the Internet and shared it with you so that you don’t have to look for it. Also make a mark! Design file...
ddllxxrr Microcontroller MCU
I am new to Windows driver development. Please recommend some information and books. Thank you!
I am a beginner in Windows driver development, mainly focusing on network aspects, such as datagram packet capture and packet sending. Please recommend some information and books, thank you!...
mlbshymv Embedded System
Help: Playing MP3 and other audio files in Compact Framework...
In addition to calling the media player control, are there any other ways to play audio files in the Compact Framework? ?...
yangrui7202 Embedded System

Technical ResourceMore

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 1180  1722  1896  2106  201  24  35  39  43  5 
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