EEWORLDEEWORLDEEWORLD

Part Number

Search

81FR20

Description
Wirewound Resistors - Through Hole 1watt .2ohm 1% Axial
CategoryPassive components   
File Size291KB,2 Pages
ManufacturerOhmite
Websitehttps://www.ohmite.com
Download Datasheet Parametric View All

81FR20 Online Shopping

Suppliers Part Number Price MOQ In stock  
81FR20 - - View Buy Now

81FR20 Overview

Wirewound Resistors - Through Hole 1watt .2ohm 1% Axial

81FR20 Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerOhmite
Product CategoryWirewound Resistors - Through Hole
RoHSN
Resistance200 mOhms
Power Rating1 W
Tolerance1 %
Temperature Coefficient90 PPM / C
Voltage Rating150 V
Operating Temperature Range+ 25 C to + 275 C
Diameter3.2 mm
Length11.1 mm
Termination StyleAxial
PackagingBulk
ProductPower Resistors Wirewound Silicone Coated
TechnologyWirewound
TypeWirewound Resistor
Mounting StylePCB Mount
Maximum Operating Temperature+ 275 C
Minimum Operating Temperature+ 25 C
Factory Pack Quantity10
Commercial Grade Acrasil
®
‚ Silicone-Ceramic
Conformal Axial Terminal Wirewound
1% Tolerance (5% available)
80 series
rW series
F e at u r e s
Military Grade 80 Series MIL-R-26 Qualified
Ohmite’s highest quality conformal axial terminal
silicone-ceramic coated resistors for applications
requiring high precision and stability. These resistors
have a low temperature coefficient and maintain a
high degree of stability under demanding conditions.
• Designed for precision power applications
• All-welded construction
• RW Series “Mil” value resistors marked with
“Mil” in accordance with MIL-R-26 specifica-
tions
s e r i e s s p e C i F i C at i o n s
Commercial Grade
81F
82
83F
83J
85F
85J
80F
80J
Military Grade
RW70U
RW79U
RW69V
RW74U
RW67V
RW78U
RW68V
Watts
1
2
3
5
10
Ohms
0.1-6K
0.1-8K
0.1-20K
0.1-75K
0.1-150K
Voltage
150
100
200
460
1000
Non-Inductive versions available. Insert “N” before tolerance code. Example: 83NF2K21
CharaCteristiCs
Coating
Silicone-ceramic
Core
Ceramic
Terminals
Solder-coated copper clad axial
Derating
Linearly from 100% @ +25°C to 0% @ +275°C.
Tolerance
±5% (J type), ±1% (F type) (other tolerances available)
Power rating
Based on 25°C free air rating
Maximum ohmic values
See chart
Overload
Under 5 watts: 5 times rated wattage for 5 seconds. 5 watts and over: 10 times
rated wattage for 5 seconds
Temperature coefficient
Under 1Ω; ±90 ppm/°C
1 to 9.99Ω: ±50 ppm/°C
10Ω and over; ±20 ppm/°C
Dielectric withstanding voltage
500 VAC: 1 watt rating; 1000 VAC: 2, 3, 5, 7, and 10 watt rating
Dimensions
(in./mm max.)
Watts
Length
0.406 / 10.3
0.437 / 11.1
Diam.
0.219 / 5.6
0.125 / 3.2
Lead gauge
20
24
1.5 in. /
38.1mm
L
D
85F
85J
80F
80J
83F
83J
82
81F
RW70U
RW79U
RW69V
3
5
10
2
1
0.593 / 15.1
0.937 / 23.8
1.842 / 46.8
0.218 / 5.5
0.343 / 8.7
0.406 /10.3
20
18
18
RW74U
RW67V
RW78U
RW68V
(continued)
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
87
WINCE6.0 What problems will occur if NK is too large?
I upgraded R3 last week, and the compiled NK was 44MB. I downloaded it and the system started up. As a result, two problems occurred; 1. When EBOOT started, the progress bar overflowed (normally it sh...
tencom Embedded System
What do the devices listed in devs mean?
-> devs drv name0 /null1 /tyCo/01 /tyCo/15 host:6 /pty/rlogin.S7 /pty/rlogin.M8 /vio3 /tffs0value = 25 = 0x19...
zl86690115 Embedded System
Submit information from the weekly forum From Sur (Please do not reply! Do not mess with my cheese)
Materials to be submitted in the first week (to be edited) 1. Hercules_FAQ_2012dec.docx (This attachment is compiled by TI engineers, I am just a porter) contains the following: [align=left][color=#00...
Sur Microcontroller MCU
Frequency converter interference signal processing isolation amplifier
[table=98%][tr][td=2,1][color=#03438d][size=14px]Inverter interference signal processing isolation amplifier[/size][/color][/td][/tr][tr][td=2,1]Analog signal isolation amplifier with anti-EMC interfe...
czj110 Power technology
I feel a little sad when studying 430!
I feel a little sad when studying 430!...
虹梁水陌 Microcontroller MCU
Help with the use of non-synthesizable statements?
I am a novice, and when I am learning the non-synthesizable statements of the Verilog language, I don't know how to view the test results of the written test program in Quartus II. For example: I don'...
求知鸟 FPGA/CPLD

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 453  2675  2325  2375  1208  10  54  47  48  25 
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