91A1A-B28-B17L Bourns Inc., 91A1A-B28-B17L Datasheet

POT 25K OHM 5/8" SQ 1/2W PLAS

91A1A-B28-B17L

Manufacturer Part Number
91A1A-B28-B17L
Description
POT 25K OHM 5/8" SQ 1/2W PLAS
Manufacturer
Bourns Inc.
Series
91r
Datasheets

Specifications of 91A1A-B28-B17L

Adjustment Type
Side Adjustment
Temperature Coefficient
±1000ppm/°C
Resistance (ohms)
25K
Power (watts)
0.5W, 1/2W
Tolerance
±20%
Number Of Turns
Single
Rotation
300°
Resistive Material
Conductive Plastic
Termination Style
Through Hole
Actuator Length
22.23mm
Actuator Type
Slotted Shaft
Actuator Diameter
6.35mm
Package / Case
Square - 0.625" L x 0.500" W x 0.687" H (15.88mm x 12.70mm x 17.45mm)
Track Resistance
25kohm
Track Taper
Linear
No. Of Turns
1
Resistance Tolerance
± 20%
Power Rating
500mW
Resistance
25 KOhms
Taper
Linear
Element Type
Conductive Plastic
Shaft Type
Slotted
Shaft Length
7/8 in
Shaft Diameter
1/4 in
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Standard Resistance Range
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 °
Contact Resistance Variation ...........................±1 % .................................................................. ±1 % or 3 ohms (whichever is greater)
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
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)
Theoretical Resolution ......................................Essentially infi nite .............................................. Essentially infi nite
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 Coeffi cient Over Storage
Vibration (Single Section) ................................... 15 G ......................................................................15 G
Shock (Single Section) ....................................... 30 G ......................................................................30 G
Load Life ............................................................ 1,000 hours ..........................................................1,000 hours
Rotational Life (No Load) ................................... 100,000 cycles .....................................................100,000 cycles
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
IP Rating ............................................................ IP 40 .....................................................................IP 40
Temperature Range .......................................... ±1,000 ppm/°C .....................................................±150 ppm/°C
Initial Electrical Characteristics
Environmental Characteristics
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
Sea Level ....................................................1,500 VAC minimum .......................................... 1,500 VAC minimum
70,000 Feet .................................................500 VAC minimum ............................................. 500 VAC minimum
+70 °C Single Section Assembly ................(Linear tapers) 0.5 watt ...................................... (Linear tapers) 2 watts
+70 °C Multiple Section Assembly .............(Linear tapers) 0.5 watt/section ......................... (Linear tapers) 1 watt/section
+125 °C .......................................................0 watt ................................................................. 0 watt
Total Resistance Shift ................................... ±2 % maximum ....................................................±2 % maximum
Voltage Ratio Shift ........................................ ±5 % maximum ....................................................±5 % maximum
Total Resistance Shift ................................... ±2 % maximum ....................................................±2 % maximum
Voltage Ratio Shift ........................................ ±5 % maximum ....................................................±5 % maximum
Total Resistance Shift ................................... ±10 % maximum ..................................................±5 % maximum
Total Resistance Shift ................................... (Linear tapers) 10 ohms or ±15 % TRS max. ......(All tapers) ±5 % TRS max.
Contact Resistance Variation
@ 50,000 cycles ........................................... (Linear tapers) ±2 % .............................................±2 %
Total Resistance Shift ................................... (Linear tapers) ±10 % TRS maximum .................(All tapers) ±5 % TRS maximum
Insulation Resistance (500 VDC) .................. 100 megohms minimum ......................................100 megohms minimum
1
1
Model 91, 92, 93, 94 & 95 - 5/8 ” Square Single-Turn Panel Control
Features
Conductive Plastic Element
(Audio tapers) 225 ° ± 5 ° .................................. (Audio tapers) 225 ° ± 6 °
(Audio tapers) 0.25 watt .................................... (Audio tapers) 1 watt
(Audio tapers) 0.25 watt/section ....................... (Audio tapers) 0.5 watt/section
(whichever is greater)
(Audio tapers) ±20 % maximum
(Audio tapers) ±3 % .............................................±3 %
(Audio tapers) ±20 % TRS maximum
Available in a variety of pin-out
confi gurations
Virtually infi nite electrical circuit isolation
Metal or plastic shaft options
RoHS compliant versions available*
Customers should verify actual device performance in their specifi c applications.
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Cermet Element
Specifi cations are subject to change without notice.

Related parts for 91A1A-B28-B17L

91A1A-B28-B17L Summary of contents

Page 1

Initial Electrical Characteristics Standard Resistance Range Linear Tapers ( & H) .........................(B & ohms to 1 megohm ......................... (A & H) 100 ohms to 1 megohm Audio Tapers ( & ...

Page 2

Model 91, 92, 93, 94 & 5/8 ” Square Single-Turn Panel Control 1 Mechanical Characteristics Stop Strength (1/4 ” D shaft) .............................................................................................................................................45.19 N-cm (4 lb.-in.) (1/8 ” D shaft) .............................................................................................................................................33.89 N-cm (3 lb.-in.) Mechanical Angle .................................................................................................................................................................................300 ° ±5 ...

Page 3

Model 91, 92, 93, 94 & 5/8 ” Square Single-Turn Panel Control Product Dimensions Model 91 PC Pin Terminals, In-Line MOUNTING SURFACE 22.86 ± 0.43 L (.900 ± .017) 12.70 ± .229 (.500 ± .009) 0.79 ± .025 ...

Page 4

Model 91, 92, 93, 94 & 5/8 ” Square Single-Turn Panel Control Product Dimensions Plastic SHAFT TYPE "B" (USES BUSHING A) Shaft 1.60+.38/-.00 Styles (.063+.015/-.000) 6.32+.000/-.152 1.19 (.249+.000/.006) (.047) DIA. STD. LENGTHS: 12.70 15.88 19.05 22.23 (.500) (.625) ...

Page 5

How to Order Model 91, 92, 93, 94 & 95 Panel Controls ANTI-ROTATION LUG A Single .305 ” (7.8 mm ° Lug # SECTIONS 1 Single 2 Dual BUSHING A Metal ...

Related keywords