EEWORLDEEWORLDEEWORLD

Part Number

Search

UP1/4T22291%R

Description
Fixed Resistor, Metal Film, 0.25W, 229ohm, 350V, 1% +/-Tol, 50ppm/Cel, Through Hole Mount, AXIAL LEADED
CategoryPassive components    The resistor   
File Size190KB,2 Pages
ManufacturerSEI(Stackpole Electronics Inc.)
Websitehttps://www.seielect.com/
Download Datasheet Parametric View All

UP1/4T22291%R Overview

Fixed Resistor, Metal Film, 0.25W, 229ohm, 350V, 1% +/-Tol, 50ppm/Cel, Through Hole Mount, AXIAL LEADED

UP1/4T22291%R Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
Objectid1945326805
package instructionAXIAL LEADED
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresULTRA PRECISION
Manufacturer's serial numberUP
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature85 °C
Minimum operating temperature-20 °C
Package shapeTUBULAR PACKAGE
method of packingTR, PAPER
Rated power dissipation(P)0.25 W
Rated temperature70 °C
resistance229 Ω
Resistor typeFIXED RESISTOR
surface mountNO
technologyMETAL FILM
Temperature Coefficient50 ppm/°C
Terminal shapeWIRE
Tolerance1%
Operating Voltage350 V
UP Series — Ultra Precision Metal Film Resistors
Features
• Highest stability metal film available
• Higher power options available
• Tolerances to ±0.01% available
• 1W available, contact factory
• Cut and formed product is available on
select sizes; contact factory for details
• TCRs as low as 5 ppm
• Matched sets available
• Low noise
• Non-standard resistance values available
Electrical Specifications
Type / Code
UP 1/4
UP 1/2
Power Rating
(Watts) @ 70°C
0.25W
0.5W
Maximum Working Voltage*
350
350
Maximum Pulse Voltage
500
500
* Lesser of
√PR
or maximum working voltage.
Tolerance / TCR Combinations
Electrical (Operating Temperature Range -20°C to +85°C)
TCR
Code
TA
TB
TD
T9
T2
TCR
0.01–0.02%
5
10
15
25
50
51.1Ω – 500K
51.1Ω – 500K
51.1Ω – 500K
51.1Ω – 294K
51.1Ω – 294K
0.05%
10Ω – 1M
10Ω – 1M
10Ω – 1M
10Ω – 1M
10Ω – 1M
UP 1/4
0.1–0.25%
10Ω – 499K
10Ω – 4M
10Ω – 4M
5.11Ω – 2M
5.11Ω – 2M
0.5–1%
1Ω – 4M
1Ω – 4M
1Ω – 4M
1Ω – 2M
1Ω – 3.92M
0.01–0.02%
51.1Ω – 499K
51.1Ω – 499K
51.1Ω – 499K
51.1Ω – 499K
51.1Ω – 499K
UP 1/2
0.05%
10Ω – 499K
10Ω – 499K
10Ω – 499K
10Ω – 499K
10Ω – 499K
0.1–0.25%
10Ω – 499K
10Ω – 1M
5.11Ω – 1M
5.11Ω – 2M
5.11Ω – 2M
0.5–1%
10Ω – 499K
1Ω – 1M
1Ω – 1M
1Ω – 2M
1Ω – 3.92M
How to Order
UP
SEI Type
1/4
Code
T1
TCR Code
4.75K
Nominal Resistance
1%
Tolerance
R
Packaging
Code
1/4
1/2
Code
T2 = 50ppm
T9 = 25ppm
TD = 15ppm
TB = 10ppm
TA = 5ppm
Tolerance
0.01%
0.02%
0.05%
0.1%
0.25%
0.5%
1%
Values
E192
E192
E192
E192
E192
E192
E192
Pkg Qty
5,000
1,000
Description
Paper
Bulk
Code
R
A
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
35
email: marketing@seielect.com
Please explain, I don't understand the MSP430 timer dead zone mode program
[align=left][color=rgb(51, 51, 51)][font=Arial, 宋体]I don't understand the expression in the conditional statement in the red part of the figure. I would like to ask experts for advice. [/font][/color]...
suoma Microcontroller MCU
Help: Driver for pxa270 to achieve 4-level grayscale control
We use the PXA270 platform and the WinCE 5.0 operating system. The customer provided a monochrome LCD with 4-bit input, where each bit represents a dot and each dot has two states: ON/OFF. The resolut...
ddh19 Embedded System
A study of Wide Band Interdigital Filter
[Abstract]A kind of designing method for wide-band, interdigital band-pass filters is presented. The simulating model and analyzing results of band-pass interdigital filter with ANSOFT electromagnitic...
JasonYoo RF/Wirelessly
Learning method for beginners of embedded development ARM (reprinted)
This topic is very big, and it gives people a feeling that I seem to be very successful, but it is not the case. In fact, my level is not high, or even very low, but I have gone through some tortuous ...
fangpengwansui MCU
How to package a program written on Wince 5.0? Written in C#?
There are two, one is the Program Files folder and the other is the Application folder. What do they mean? Can you tell me what they mean?...
withoutpoem Embedded System
The idea of browser
Dear experts: I want to write a browser recently (C language, gtk, linux), has anyone written it before? Can you give me some tips?...
zhang223 Embedded System

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2738  2303  1266  1564  872  56  47  26  32  18 
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