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91A1AB28E22 Schematic ( PDF Datasheet ) - Bourns

Teilenummer 91A1AB28E22
Beschreibung Square Single-Turn Panel Control
Hersteller Bourns
Logo Bourns Logo 




Gesamt 6 Seiten
91A1AB28E22 Datasheet, Funktion
Features
Available in a variety of pin-out
configurations
Virtually infinite electrical circuit isolation
Model 96 sealed for board wash
Metal or plastic shaft options
DPST and DPDT switch options
RoHS compliant versions available*
91, 92, 93, 94, 95, 96 - 5/8 ” Square Single-Turn Panel Control
97, 99 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch
Potentiometer Specifications
Initial Electrical Characteristics1
Conductive Plastic Element
Cermet Element
Standard Resistance Range
www.DataShLeineet4aUr T.caopmers (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 Characteristics1
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-303, 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 (Model 96) ...............................................................................IP 65 ...............................................................IP 65
(All Others)..........................................................................................IP 40 ...............................................................IP 40
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.






91A1AB28E22 Datasheet, Funktion
How to Order 90 Series Panel Controls
www.DataSheet4U.com
91 A 2 A - A 28 - A 15 / A15
99 A 2 A - B 28 - A 15 / R51
L
Models 91 - 96: Part number for multiple section potentiometers
must have a taper and resistance value for each section.
L Models 97 & 99: Part number must contain a switch type.
ANTI-ROTATION LUG
A Single .305 ” (7.8 mm) R,
90 °CW
C Single .305 ” (7.8 mm) R,
270 °CW
D No Lug
# SECTIONS
1 Single
2 Dual
APPLICABLE MODELS
Models 91 Thru 96 Only
All Models, 2nd Section is
a Switch in Model 99
BUSHING
A Metal Plain 3/8 ” (9.53 mm) D x 3/8 ” (9.53 mm) L
C Metal Plain 1/4 ” (6.35 mm) D x 1/4 ” (6.35 mm) L
D Plastic Unthreaded 3/8 ” (9.53 mm) D
x 3/8 ” (9.53 mm) L
R Metal Plain 10 mm D x 9 mm L
U Metal Plain 7 mm D x 9 mm L
RoHS IDENTIFIER
L Compliant
Blank Non-Compliant
SWITCH TYPE (MODELS 97 & 99 ONLY)
(R50) DPST N.O./N.C. CW Detent In-Line Term
(R51) DPST N.O./N.C. CCW Detent In-Line Term
(R52) DPST N.O./N.O. CW Detent In-Line Term
(R53) DPST N.O./N.O. CCW Detent In-Line Term
(R54) DPST N.C./N.C. CW Detent In-Line Term
(R55) DPST N.C./N.C. CCW Detent In-Line Term
(R56) DPST N.O./N.C. CW Detent Horz Term
(R57) DPST N.O./N.C. CCW Detent Horz Term
(R58) DPST N.O./N.O. CW Detent Horz Term
(R59) DPST N.O./N.O. CCW Detent Horz Term
(R60) DPST N.C./N.C. CW Detent Horz Term
(R61) DPST N.C./N.C. CCW Detent Horz Term
(R70) DPDT CW Detent In-Line Term
(R71) DPDT CCW Detent In-Line Term
(R72) DPDT CW Detent Horz Term
(R73) DPDT CCW Detent Horz Term
MODEL
91 Single-Turn, In-Line PC Pins
92 Single-Turn, In-Line J-Hooks
93 Single-Turn, L-Pattern PC Pins
94 Single-Turn, L-Pattern J-Hooks
95 Single-Turn, Triangle-Pattern Solder Lugs
96 Single-Turn, In-Line PC Pins, Sealed
97 Single-Turn, L-Pattern PC Pins w/Switch
99 Single-Turn, Triangle-Pattern
Solder Lugs w/Switch
SHAFT TYPE
B Plastic Single Slotted 1/4 " (6.35 mm) D
C Plastic Single Flatted 1/4" (6.35 mm) D
D Plastic Single Plain 1/8" (3.18 mm) D
R Plastic Single Slotted 6 mm D
T Plastic Single Slotted 4 mm D
W Plastic Single Knurled 1/4" (6.35 mm) D
A Metal Single Plain 1/4" (6.35 mm) D
G Metal Single Slotted 1/4" (6.35 mm) D
H Metal Single Flatted 1/4" (6.35 mm) D
J Metal Single Slotted 6 mm D
V Metal Single Slotted 4 mm D
Y Metal Single Knurled 1/4" (6.35 mm) D
SHAFT
LENGTH
(FMS)
AVAILABLE
ONLY IN
BUSHING
Code Description
Code
16 1/2 ”L
A, C, D
20 5/8 ”L
A, C, D
24 3/4 ”L
A, C, D
28 7/8 ”L
A, D
32 1 ”L
A, D
METRIC
12 12 mmL
U
16 16 mmL
R, U
19 19 mmL
R
22 22 mmL
R, U
ELEMENT TYPE
TAPER/TOLERANCE
(A) Linear Cermet ±10 %
(H) Linear Cermet ±5 %
RESISTANCE CODE
VALUE IN OHMS
(05) - 100
(28) -150
(06) - 200
(07) - 250
(08) - 500
(09) - 750
(10) - 1 K
(29) - 1.5 K
(11) - 2 K
(12) - 2.5 K
(13) - 5 K
(14) - 7.5 K
(15) - 10 K
(30) - 15 K
(16) - 20 K
(17) - 25 K
(18) - 50 K
(19) - 75 K
(20) - 100 K
(31) - 150 K
(21) - 200 K
(22) - 250 K
(23) - 500 K
(24) - 750 K
(25) - 1 M
AVAILABLE ONLY IN
LENGTHS
(CODE)
BUSHINGS
(CODE)
16,20,24,28
A,D
24,28
A,D
16,20,24
C
Metric 16,19,22
R
Metric 16,19,22
U
32 A,D
(B) Linear C-P ±20 %
(E) Linear C-P ±10 %
(C) CW Audio Cermet ±10 %
(D) CW Audio C-P ±20 %
(F) CCW Audio Cermet ±10 %
(G) CCW Audio C-P ±20 %
(S) CW Audio C-P ±10 %
(T) CCW Audio C-P ±10 %
(10) - 1 K
(12) - 2.5 K
(13) - 5 K
(15) - 10 K
(16) - 20 K
(17) - 25 K
(10) - 1 K
(12) - 2.5 K
(13) - 5 K
(15) - 10 K
(17) - 25 K
(18) - 50 K
(20) - 100 K
(22) - 250 K
(23) - 500 K
(25) - 1 M
(18) - 50 K
(20) - 100 K
(22) - 250 K
(23) - 500 K
(25) - 1 M
16,20,24,28,32
A
16,20,24,28,32
A
16,20,24,28,32
A
Metric 12,16,19,22 R
Boldface features are Bourns standard options.
All others are available with higher minimum order quantities.
Metric 12,16,19,22 U
24 A
REV. 09/08
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.

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