EEWORLDEEWORLDEEWORLD

Part Number

Search

81B1F-C28-A25/A25L

Description
Potentiometer, Cermet, 2W, 1000000ohm, 10% +/-Tol, -150,150ppm/Cel, 6363,
CategoryPassive components    The resistor   
File Size979KB,8 Pages
ManufacturerBourns
Websitehttp://www.bourns.com
Environmental Compliance
Download Datasheet Parametric View All

81B1F-C28-A25/A25L Overview

Potentiometer, Cermet, 2W, 1000000ohm, 10% +/-Tol, -150,150ppm/Cel, 6363,

81B1F-C28-A25/A25L Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid770946635
Reach Compliance Codenot_compliant
structureSquare
JESD-609 codee3
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package height15.88 mm
Package length15.88 mm
Package formPCB Mount
Package width15.88 mm
Rated power dissipation(P)2 W
resistance1000000 Ω
Resistor typePOTENTIOMETER
rotation angle240 deg
series81
size code6363
technologyCERMET
Temperature Coefficient-150,150 ppm/°C
Terminal surfaceMatte Tin (Sn)
Tolerance10%
Features
n
Metal shaft and bushing
n
Consistent, smooth quality feel
n
Up to 4 sections available
n
Rotary switch option designed
for “on-off” function control
n
RoHS compliant*
81/82 – 5/8 ˝ Square Single-Turn Panel Control
85/86 – 5/8 ˝ Square Single-Turn Panel Control with Rotary Switch
Potentiometer Specifications
Standard Resistance Range
Linear Tapers (A, B, E, & H)......................................................................... (B & E) 1 K ohms to 1 megohm ................. (A & H) 100 ohms to 1 megohm
Audio Tapers (C, D, F, G, S, & T) ................................................................ (D, G, S, & T) 1 K ohms to 1 megohm ....... (C & F) 1 K ohms to 1 megohm
Total Resistance Tolerance................................................................................. ±20 % or 10 %............................................ ±10 % or 5 %
Independent Linearity ......................................................................................... ±5 % ........................................................... ±5 %
Absolute Minimum Resistance ........................................................................... 2 ohms maximum ....................................... 2 ohms maximum
Effective Electrical Angle .................................................................................... (Linear tapers) 240 ° ± 5 ° .......................... (Linear tapers) 240 ° ± 6 °
(Audio tapers) 225 ° ± 5 °........................... (Audio tapers) 225 ° ± 6 °
Contact Resistance Variation ............................................................................. ±1 % ........................................................... ±1 % or 3 ohms (whichever is greater)
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Sea Level ..................................................................................................... 1,500 VAC minimum .................................. 1,500 VAC minimum
70,000 Feet.................................................................................................. 500 VAC minimum ..................................... 500 VAC minimum
Insulation Resistance (500 VDC) ....................................................................... 1,000 megohms minimum .......................... 1,000 megohms minimum
Power Rating At 70 °C (Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less)
+70 °C Single Section Assembly ................................................................. (Linear tapers) 1 watt ................................. (Linear tapers) 2 watts
(Audio tapers) 0.5 watt ............................... (Audio tapers) 1 watt
+70 °C Multiple Section Assembly ............................................................... (Linear tapers) 0.5 watt/section .................. (Linear tapers) 1 watt/section
(Audio tapers) 0.25 watt/section................. (Audio tapers) 0.5 watt/section
+125 °C ........................................................................................................ 0 watt.......................................................... 0 watt
Theoretical Resolution ........................................................................................ Essentially infinite....................................... Essentially infinite
Operating Temperature Range ........................................................................... -40 °C to +125 °C ....................................... -40 °C to +125 °C
Storage Temperature Range .............................................................................. -55 °C to +125 °C ....................................... -55 °C to +125 °C
Temperature Coefficient Over Storage Temperature Range .............................. ±1,000 ppm/°C ........................................... ±150 ppm/°C
Vibration (Single Section) ................................................................................... 15 G ........................................................... 15 G
Total Resistance Shift .................................................................................. ±2 % maximum .......................................... ±2 % maximum
Voltage Ratio Shift ....................................................................................... ±5 % maximum .......................................... ±5 % maximum
Shock (Single Section) ....................................................................................... 30 G ........................................................... 30 G
Total Resistance Shift .................................................................................. ±2 % maximum .......................................... ±2 % maximum
Voltage Ratio Shift ....................................................................................... ±5 % maximum .......................................... ±5 % maximum
Load Life ............................................................................................................. 1,000 hours ................................................ 1,000 hours
Total Resistance Shift .................................................................................. ±10 % maximum ........................................ ±5 % maximum
Rotational Life (No Load).................................................................................... 100,000 cycles ........................................... 100,000 cycles
Total Resistance Shift .................................................................................. (Linear taper) 10 ohms or .......................... (All tapers) ±5 % TRS maximum
±10 % TRS max. (whichever is greater)
(Audio taper) ±20 % maximum
Contact Resistance Variation @ 50,000 cycles
(Audio taper) ......................................................................................... ±3 % ........................................................... ±3 %
(Linear taper) ........................................................................................ ±2 % ........................................................... ±2 %
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
Total Resistance Shift .................................................................................. (B & E tapers) ±10 % maximum ................ ±5 % maximum (all tapers)
(D, G, S & T tapers) ±20 % maximum
Insulation Resistance (500 VDC) ................................................................. 100 megohms minimum ............................. 100 megohms minimum
IP Rating ............................................................................................................. IP40 ............................................................ IP40
Stop Strength
1/4 ˝ and 1/8 ˝ diameter shafts ..........................................................................................................................................................................45.19 N-cm (4 lb.-in.)
7/8 ˝ length shaft .................................................................................................................................................................................................22.6 N-cm (2 lb.-in.)
Mechanical Angle ......................................................................................................................................................................................................................300 ° ±5 °
Torque
Starting and Running Torque (Non-Locking Bushings)
Single Section..................................................................................................................................................................................0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.)
Dual Section ....................................................................................................................................................................................0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.)
Triple Section ...................................................................................................................................................................................0.35 to 1.41 N-cm (0.5 to 2.0 oz.-in.)
Quadruple Section ...........................................................................................................................................................................0.35 to 1.41 N-cm (0.5 to 2.0 oz.-in.)
Starting and Running Torque (Locking Bushings) ....................................................................................................................0.14 to 2.82 N-cm (0.2 to 4.0 oz.-in.)
Shaft Locking Torque with Locknut @ 10 in-lb. (B & E Bushings) .......................................................................................................................14 N-cm (20 oz-in.)
Mounting ...................................................................................................................................................................................1.7-2.0 N-m (15-18 lb.-in.) maximum
Weight (Single Section) ............................................................................................................................................................................................. 21 grams maximum
(Each Additional Section)...................................................................................................................................................................................... 6 grams maximum
Terminals ...........................................................................................................................................................................................Printed circuit terminals or J-Hooks
Soldering Condition .................................................................................. Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 ˝ wire diameter.
Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean flux.
Marking ...........................................................................................Manufacturer’s trademark, wiring diagram, date code and resistance, manufacturer’s part number
Ganging (multiple section potentiometers) ...................................................................................................................................................................... 4 cup maximum
Hardware ...............One lockwasher and one mounting nut is shipped with each potentiometer; locking bushing versions are shipped with one additional locking nut
(Bushing A: H-37-2 & H-38-2; Bushing B: H-37-2, H-38-2 & H-38-4; Bushing C: H-37-1 & H-38-1; Bushing E: H-37-1, H-38-1 & H-38-3; Bushing J: H-37-2 & H-38-2;
Bushing N: H-37-1 & H-38-1; Bushing R: H-37-4 & H-38-9; Bushing S: H-37-4 & H-38-9 & H-38-10; Bushing U: H-37-3 & H-38-8)
For dimensional drawings see pages 3 & 4. For ordering information see page 5.
NOTE: Model 81/82 performance specifications do not apply to units subjected to printed circuit board cleaning procedures.
1
Electrical specifications tested at 250 RPM, at room ambient: +25 °C nominal.
Initial Electrical Characteristics
1
Conductive Plastic Element
Cermet Element
Environmental Characteristics
1
Mechanical Characteristics
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
Specifications are subject to change without notice. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the
last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Software and Tools
Described are: software that includes recorder and data logging capabilities; design tools that simplify active filter creation; GUI that reduces test preparation time; toolkit certified for Linux 2,6...
JasonYoo MCU
A classic book introducing DSP external circuit design
A classic book that systematically introduces DSP peripheral circuit design, including AD\DA (anti-aliasing, oversampling), digital up\down conversion design methods, and memory management, etc. I am ...
呱呱 DSP and ARM Processors
Pads generate BOM without value, finally solved
The bom generated by pads has no value. So you have to check it one by one. Compare it with the bill of materials of orcad. In orcad, the attributes of components have values. I checked it out. It is ...
ienglgge PCB Design
Programmers who have the ability and time to work part-time are welcome to come in
The company has many orders of various types and wants to find a group of truly capable part-time network programmers. Those with ability can sign up. The remuneration and payment method will be discu...
shuimiao11 Embedded System
Permanent magnet brushless motor and its driving technology
This book is divided into 14 chapters, which comprehensively expounds the design and drive control ideas of modern permanent magnet AC motor systems. Starting from the basic characteristics of permane...
arui1999 Download Centre
Why does the SMD LED make a sound?
There are several 0805 SMD LEDs on the board, flashing. If you listen carefully, you can see that the LEDs make sounds when they are on.It's like the sound of a buzzer that's been shrunk by n times. W...
jialaolian Discrete Device

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 1230  147  846  1152  1020  25  3  18  24  21 
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