EEWORLDEEWORLDEEWORLD

Part Number

Search

UBN-225.5OHM0.05%

Description
Fixed Resistor, Wire Wound, 1.5W, 25.5ohm, 42V, 0.05% +/-Tol, -20,20ppm/Cel,
CategoryPassive components    The resistor   
File Size228KB,3 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
Download Datasheet Parametric View All

UBN-225.5OHM0.05% Overview

Fixed Resistor, Wire Wound, 1.5W, 25.5ohm, 42V, 0.05% +/-Tol, -20,20ppm/Cel,

UBN-225.5OHM0.05% Parametric

Parameter NameAttribute value
Objectid857765911
Reach Compliance Codeunknown
Country Of OriginIsrael
ECCN codeEAR99
YTEOL10
structureTubular
Lead diameter0.5 mm
Lead length25.4 mm
Number of terminals2
Maximum operating temperature250 °C
Minimum operating temperature-55 °C
Package diameter2 mm
Package length7.9 mm
Package shapeTUBULAR PACKAGE
Package formAxial
Rated power dissipation(P)1.5 W
resistance25.5 Ω
Resistor typeFIXED RESISTOR
technologyWIRE WOUND
Temperature Coefficient20 ppm/°C
Tolerance0.05%
Operating Voltage42 V

UBN-225.5OHM0.05% Preview

UB Series
FEATURES
Resistances from 0.02 to 260kOhms
Power Rating 1 to 15 Watts
Resistance Tolerances to ± 0.01%
Low TCR: ± 20ppm/K Standard
MIL-R-26 / MIL-R-39007 Power Ratings
Temperature Range: -55°C to +250°C
Non-Inductive Windings Available
TABLE 1—SPECIFICATIONS
Tolerances
Temperature Coefficient
±0.01% to ±10% ( 1% Standard )
>10W : ±20ppm/K
1W to10W : ±50ppm/K
<1W : Call Factory
-55°C to +250°C
500 VAC : UB-1 / UB-2 / UB-3
1000 VAC : All Others
Centerless ground ceramic core
Tinned copper or copperweld leads
High temperature / trivalent / inorganic Silicone coating
All welded terminations
Temperature Range
Dielectric Strength
Constuction
Environmental Performance
(MIL-STD 202)
DR
±0.2% + 0.05W
to ±1% depending on size and Resistance Value
±0.2% + 0.05W
±0.2% + 0.05W
±0.2% + 0.05W
±0.2% + 0.05W
±0.1% + 0.05W
±0.1% + 0.05W
Dielectric
Load Life
Storage
Moisture Resistance
Thermal Shock
5X Overload ( 5s )
Shock
Vibration
ORDERING INFORMATION
Part Number - Resistance - Tolerance - TCR ( If not standard )
UB-3 10 Ohm 1%
For Non-Inductive Windings / insert the letter “N” ( i.e. UBN-5 )
Document No.: 64326
Revision: 31-01-2015
For technical questions,
contact
powertron@vpgsensors.com
www.powertron.de
1
UB Series
TABLE 1—SPECIFICATIONS (continued)
Dimensions
Type
Wattage Rating
( Watts )
Maximum
Ohms
2
A
±0.062”
[±1.6mm]
MIL-R-26 /
MIL-
R-39007
Style
RW-81
RWR-81
RWR-82
RW-80
RWR-80
B
±0.031”
[±0.8mm]
C
1
±0.002”
[±0.05mm]
0.020 [0.5]
0.025 [0.6]
0.020 [0.5]
0.025 [0.6]
0.025 [0.6]
0.020 [0.5]
0.032 [0.8]
0.032 [0.8]
0.032 [0.8]
0.040 [1.0]
0.040 [1.0]
0.040 [1.0]
0.040 [1.0]
Maximum
Working
Voltage
UB-1
UB-2
3
UB-3
UB-3C
UB-5
UB-5C
UB-6
UB-10
UB-12
UB-15
1
1
1.5
2
3
4
5
6
7
10
15
3.4k
7.5k
10k
12.5k
25k
32k
50k
95k
150k
260k
0.250 [6.4]
0.312 [7.9]
0.406 [10.3]
0.350 [8.9]
0.560 [14.2]
0.500 [12.7]
0.625 [15.9]
0.875 [22.2]
1.220 [31.0]
1.780 [45.2]
0.085 [2.2]
0.078 [2.0]
0.094 [2.4]
0.156 [4.0]
0.187 [4.7]
0.218 [5.5]
0.250 [6.4]
0.312 [7.9]
0.312 [7.9]
0.375 [9.5]
33
42
80
135
162
194
258
425
607
1050
RW-84
2
3
Lead Diameter: 18 AWG = 0.040” / 20 AWG = 0.032” / 22 AWG = 0.025” / 24 AWG = 0.020”
Where more than one lead is listed / the top value is Standard
For non-inductive windings / divide maximum resistance by 2
This part does not meet the RoHS directive - call factory for details
FIGURE 1—DERATING
120
100
Power (%)
80
60
40
20
0
0
25
50
100
150
200
250
Ambient Temperature (°C)
www.powertron.de
2
For technical questions,
contact
powertron@vpgsensors.com
Document No.: 64326
Revision: 31-01-2015
Legal Disclaimer Notice
Vishay Precision Group, Inc.
Disclaimer
ALL PRODUCTS, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE.
Vishay Precision Group, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “VPG”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in
any other disclosure relating to any product.
The product specifications do not expand or otherwise modify VPG’s terms and conditions of purchase, including but
not limited to, the warranty expressed therein.
VPG makes no warranty, representation or guarantee other than as set forth in the terms and conditions of purchase.
To the maximum extent permitted by applicable law, VPG disclaims (i) any and all liability arising out of the
application or use of any product, (ii) any and all liability, including without limitation special, consequential or
incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose,
non-infringement and merchantability.
Information provided in datasheets and/or specifications may vary from actual results in different applications and
performance may vary over time. Statements regarding the suitability of products for certain types of applications
are based on VPG’s knowledge of typical requirements that are often placed on VPG products. It is the customer’s
responsibility to validate that a particular product with the properties described in the product specification is suitable for
use in a particular application. You should ensure you have the current version of the relevant information by contacting
VPG prior to performing installation or use of the product, such as on our website at vpgsensors.com.
No license, express, implied, or otherwise, to any intellectual property rights is granted by this document, or by any
conduct of VPG.
The products shown herein are not designed for use in life-saving or life-sustaining applications unless otherwise
expressly indicated. Customers using or selling VPG products not expressly indicated for use in such applications do
so entirely at their own risk and agree to fully indemnify VPG for any damages arising or resulting from such use or sale.
Please contact authorized VPG personnel to obtain written terms and conditions regarding products designed for such
applications.
Product names and markings noted herein may be trademarks of their respective owners.
Copyright Vishay Precision Group, Inc., 2014. All rights reserved.
Document No.: 63999
Revision: 15-Jul-2014
www.vpgsensors.com
1
Why does TFT display black and white grids, but the positions of the grids are a little wrong? (Solved!)
The initial value of rgb2 is all '1'. The LCD resolution is 1280X800. [b][size=6] The bottom square should actually be merged with the top one. The horizontal and vertical grid ratio is 16:10, and eac...
jinghong21 FPGA/CPLD
About setting PLL register
First of all, I am a novice and just started to use DSP. Today, I encountered a problem when testing a simple LED flashing program with TMS320F2812. When I wrote 0~4 to the PLLCR register, the program...
yeguizhuan DSP and ARM Processors
How to implement ultrasonic receiving circuit?
I want to make an ultrasonic receiving circuit that receives UV-level 2.5MHz signals. Which amplifier chip should I choose?...
小王电子 Test/Measurement
Waveform drift under wince? ?
[img]http://pic.yupoo.com/pole625/81380599a8bf/ia6exy6r.jpg[/img] This is the waveform under the simulator, using the standard SDK for WinCE5.0. But when the program is loaded on wince, it becomes a d...
hy.rf Embedded System
關於程序在FLASH的燒寫區域,及生成HEX檔
[i=s] 本帖最后由 nt52241930 于 2017-6-29 09:19 编辑 [/i]請教各位 我使用CCS對我目標板先載入程序後,功能都OK 在使用CCS生成INTEL的HEX檔 之後使用K-FLASH軟件,查看目標板內芯片的FLASH值 發現由CCS生成的HEX檔與從芯片讀出的FLASH值,明顯不同想請教各位,這種情況是為什麼?? 有方式可以確認CCS生成的HEX檔嗎??以上 謝謝...
nt52241930 Microcontroller MCU
Openwrt is here, the forum is not very popular, but this year, the recognition of Altera SoC has increased significantly.
Long time no see, what are you busy with now? Are you making a lot of money? It seems that Xiaomei is making a lot of money, and he is doing very well. I have recently worked on openwrt on altera soc....
lelee007 FPGA/CPLD

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2063  1283  2830  1349  2710  42  26  57  28  55 
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