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94A1A-A20-D18

Description
Potentiometer, Conductive Plastic, 0.25W, 50000ohm, 20% +/-Tol, -1000,1000ppm/Cel, 6350
CategoryPassive components    The resistor   
File Size337KB,5 Pages
ManufacturerBourns
Websitehttp://www.bourns.com
Download Datasheet Parametric View All

94A1A-A20-D18 Overview

Potentiometer, Conductive Plastic, 0.25W, 50000ohm, 20% +/-Tol, -1000,1000ppm/Cel, 6350

94A1A-A20-D18 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
Reach Compliance Codeunknown
ECCN codeEAR99
structureSingle Turn
JESD-609 codee3
Manufacturer's serial number94
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package height17.45 mm
Package length15.88 mm
Package formPanel Mount
Package width12.7 mm
Rated power dissipation(P)0.25 W
resistance50000 Ω
Resistor typePOTENTIOMETER
rotation angle225 deg
series94
size code6350
technologyCONDUCTIVE PLASTIC
Temperature Coefficient-1000,1000 ppm/°C
Terminal surfaceMatte Tin (Sn)
Tolerance20%
*R
oH
VE S CO
AV R M
AI SIO PL
LA N IA
BL S NT
E
Features
Available in a variety of pin-out
configurations
Virtually infinite electrical circuit isolation
Metal or plastic shaft options
RoHS compliant versions available*
Non-RoHS models are currently
available, but not recommended
for new designs. See
Product
Obsolescence Memo
for details.
Model 91, 92, 93, 94 & 95 - 5/8 ” Square Single-Turn Panel Control
Initial Electrical Characteristics
1
Conductive Plastic Element
Cermet Element
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 ...............................10 % or 20 % .................................................... 5% or 10%
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 (Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less)
+70 °C Single Section Assembly ................(Linear tapers) 0.5 watt ...................................... (Linear tapers) 2 watts
(Audio tapers) 0.25 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
Environmental Characteristics
1
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 tapers) 10 ohms or ±15 % TRS max. ......(All tapers) ±5 % TRS max.
(whichever is greater)
(Audio tapers) ±20 % maximum
Contact Resistance Variation
@ 50,000 cycles ........................................... (Linear tapers) ±2 %.............................................±2 %
(Audio tapers) ±3 % .............................................±3 %
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
Total Resistance Shift ................................... (Linear tapers) ±10 % TRS maximum .................(All tapers) ±5 % TRS maximum
(Audio tapers) ±20 % TRS maximum
Insulation Resistance (500 VDC) .................. 100 megohms minimum ......................................100 megohms minimum
IP Rating ............................................................ IP 40 .....................................................................IP 40
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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