EEWORLDEEWORLDEEWORLD

Part Number

Search

UAL25-250RF8

Description
res chas mnt 250 ohm 1% 25w
CategoryPassive components   
File Size256KB,4 Pages
ManufacturerRiedon Inc.
Websitehttps://riedon.com/
Environmental Compliance  
Download Datasheet View All

UAL25-250RF8 Overview

res chas mnt 250 ohm 1% 25w

UAL Series
Aluminum Housed Wirewound Resistors
UAL-25-4T
UAL-25-4
UAL-25-4TR
Power Rating 5 to 300Watts
High Temperature: -55°C to +275°C
Excellent Pulse Handling
Resistances from 0.005 to 250kOhms
Tolerance to ±0.01%
Low TCR: ± 20ppm/K Standard
Four Terminal Versions Available
All Welded Construction
SPECIFICATIONS
Type
UAL-5
UAL-10
UAL-25
UAL-50
UAL-100
UAL-180
UAL-250
UAL-300
MIL-R-39009
MIL-R-18546
Style
Power Rating ( W @ 25°C )
Commercial
7.5
a
12.5
a
25
b
50
c
100
d
180
d
250
d
300
e
1
a
b
c
d
e
MIL
5
a
10
a
20
b
30
c
75
d
-
120
d
-
Free Air
4.5
7.5
12
20
40
-
100
75
Resistance
Range
1
0.01 to 22K
0.01 to 47K
0.01 to 90K
0.01 to 250K
0.01 to 50K
0.01 to 50K
0.01 to 50K
0.005 to 100K
RER-60 / RE-60
RER-65 / RE-65
RER-70 / RE-70
RER-75 / RE-75
RER-77 / RE-77
-
RER-80 / RE-80
-
For non-inductive windings, divide maximum resistance by 2
Heatsink Required : 0.040 [1.0] Alum. Plate, 129 in
2
[832 cm
2
] or equiv.
Heatsink Required : 0.040 [1.0] Alum. Plate, 167 in
2
[1077 cm
2
] or equiv.
Heatsink Required : 0.059 [1.5] Alum. Plate, 291 in
2
[1877 cm
2
] or equiv.
Heatsink Required : 0.125 [3.2] Alum. Plate, 294 in
2
[1896 cm
2
] or equiv.
Heatsink Required : 0.125 [3.2] Alum. Plate, 895 in
2
[5780 cm
2
] or equiv.
Ordering Information
For Non-Inductive Windings / insert the letter “N” ( i.e. UALN-25 )
Part Description: Part Type - Resistance - Tolerance - TCR ( If not standard )
Example: UAL-25 10 Ohm 1%
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
www.riedon.com
(626) 284-9901
(626) 284-1704
06/13
Could you please tell me the calling relationship between OemPowerOff, BSPPowerOff and GwesPowerOffSystem?
I would like to ask you: In WINCE42, I call the GwesPowerOffSystem() function, which will call the OEMPowerOff() function in my BSP to perform the shutdown (suspend or deep sleep) operation. However, ...
dagelou Embedded System
FPGA
I am using a Spartan FPGA chip from Xilinx The model number on the chip is: XilinxSPARTANXC2S200EPQG208AGT0829 D3607064A6CThe question I need to ask is: The technical document I downloaded from the of...
haiying2004858 FPGA/CPLD
Upload some oscilloscope information
Good stuff. I spent a lot of effort to get it....
shamoxue DIY/Open Source Hardware
PIC operation problems
I would like to ask why the same code can sometimes run normally, and sometimes not. For example, the LCD display can sometimes display normally, and sometimes can't even clear the screen. Why is this...
dou123dou Microchip MCU
A KEIL project downloaded from the Internet, from which file can I directly check which model of MCU is used in this project
I have a question: If I download a KEIL project from the Internet and open it without using KEIL, from which file in the project can I directly check which MCU model is used in the project?...
深圳小花 MCU
Maple driver 18B20
#define ONEWIRE_DQ 27 //OneWire 引脚int OneWire_Reset(int);int OneWire_ReadByte(int, int);int OneWire_ReadBit(int, int);void OneWire_WriteByte(int, int);void OneWire_WriteBit(int, int);int OneWire_DS18B...
ssawee stm32/stm8

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 895  2774  2153  2450  814  19  56  44  50  17 
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