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Datasheet> All Categories > Passive components> The resistor> 97A2A-H28-D18/R70L
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97A2A-H28-D18/R70L

Description
Potentiometer, Conductive Plastic, 0.25W, 50000ohm, 20% +/-Tol, -1000,1000ppm/Cel, 6398,
CategoryPassive components    The resistor   
File Size340KB，7 Pages
ManufacturerBourns
Websitehttp://www.bourns.com
Environmental Compliance
Download Datasheet Parametric View All

97A2A-H28-D18/R70L Overview

Potentiometer, Conductive Plastic, 0.25W, 50000ohm, 20% +/-Tol, -1000,1000ppm/Cel, 6398,

97A2A-H28-D18/R70L Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid772479235
Reach Compliance Codenot_compliant
structureRotary
Lead length12.7 mm
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package height18.42 mm
Package length15.88 mm
Package formPCB Mount
Package width24.77 mm
Rated power dissipation(P)0.25 W
resistance50000 Ω
Resistor typePOTENTIOMETER
rotation angle225 deg
series97
size code6398
technologyCONDUCTIVE PLASTIC
Temperature Coefficient-1000,1000 ppm/°C
Tolerance20%

97A2A-H28-D18/R70L Preview

*R
oH
VE S C O
AV R M
AI SIO PL
LA N IA
BL S NT
E
Features
■
Virtually infinite electrical circuit isolation
■
Metal or plastic shaft options
■
DPST and DPDT switch options
■
RoHS compliant versions available*
Model 97 & 99
-
5/8 ” Square Single-Turn Panel Control with Rotary Switch
Potentiometer Specifications
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.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Model 97 & 99
-
5/8 ” Square Single-Turn Panel Control with Rotary Switch
Potentiometer Specifications
Mechanical Characteristics
1
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 °
Torque
Starting ........................................................................................................................................... 0.3 max. above average running torque
Running Torque
Single or Dual Section (A & R Bushings) .................................................................................................. 0.21 to 1.06 N-cm (0.3 to 1.5 oz.-in.)
Single or Dual Section (C & U Bushings) .................................................................................................. 0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.)
Mounting .............................................................................................................................................1.7-2.0 N-m (15-18 lb.-in.) maximum
Variation ...................................................................................................................... 0.35 N-cm (0.5 oz.-in.) maximum in 45 ° shaft travel
Weight (Single Section, Metal Bushing)...............................................................................................................................12.7 grams nominal
(Each Additional Section) ....................................................................................................................................................4 grams nominal
Terminals .................................................................................................................................Printed circuit terminals, J-Hooks or solder lugs
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, date code, resistance, manufacturer’s part number
Ganging (Multiple Section Potentiometers).............................................................................................................................2 cups maximum
Hardware ...................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number.
NOTE:
1
At
Performance specifications do not apply to units subjected to printed circuit board cleaning procedures.
room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Model 97 & 99
-
5/8 ” Square Single-Turn Panel Control with Rotary Switch
Rotary Switch Specifications
Initial Electrical Characteristics
1
Contacts:
DPST ........................................................................................................................................................N.O/N.O., N.C./N.C. or N.O./N.C.
DPDT ..........................................................................................................................................................2 N.O./N.C. (break before make)
Power Rating (Resistive Load):
DPST ..................................................................................... 2 A @ 125 volts RMS-60 Hz or 2 A @ 28 VDC, 1 A @ 250 volts RMS-60 Hz
DPDT .....................................................................................................................................1 A @ 125 volts RMS-60 Hz or 1 A @ 28 VDC
Contact Resistance (0.1 VDC-10 mA) ...............................................................................................................................10 milliohms nominal
Contact Bounce ...........................................................................................................................................................5 milliseconds maximum
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Sea Level ........................................................................................................................................................................1500 VAC minimum
Insulation Resistance ................................................................................................................................................. 1000 megohms minimum
Environmental Characteristics
1
Operating Temperature Range .................................................................................................................................................... 0 °C to +70 °C
Exposure Temperature Range ................................................................................................................................................-65 °C to +125 °C
Vibration (Dual Section).................................................................................................................................................................................. 8 G
Contact Resistance .................................................................................................................................................. 10 milliohms maximum
Contact Bounce ................................................................................................................................................... 0.1 millisecond maximum
Shock (Dual Section).................................................................................................................................................................................... 20 G
Contact Resistance .................................................................................................................................................. 10 milliohms maximum
Contact Bounce ................................................................................................................................................... 0.1 millisecond maximum
Rotational Life ................................................................................................................................................................................25,000 cycles
Switch Actuating Torque (50% Duty cycle @ Rated Power Load) ........................................................... 1.41 to 4.94 N-cm (2 to 7 oz.-in.)
Contact Resistance ................................................................................................................................................ 100 milliohms maximum
Moisture Resistance (MIL-STD-202, Method 106, Condition B)
Contact Resistance (0.1 VDC-10 mA) ..................................................................................................................... 10 milliohms maximum
Insulation Resistance (After 24 Hours @ Room Temperature) (500 VDC) ..............................................................100 megohms minimum
Housing Material .......................................................................................................High temperature, flame retardant, thermosetting plastic
Mechanical Characteristics
1
Actuating Torque (Each Section, Switch Module Only).............................................................................. 3.53 to 10.59 N-cm (5 to 15 oz.-in.)
Running Torque (Out of Detent, 2-4 Module Assembly) ............................................................................. 0.21 to 1.41 N-cm (0.3 to 2 oz.-in.)
Detent ................................................................................................................................................................................CW or CCW standard
Actuation Angle ......................................................................................................................................................................................20 ° ±5 °
Contact Materials.................................................................................................................................................... Fine silver with gold overlay
Terminal Styles .............................................................................................................................................................................Solder lug only
Standard Orientation ........................................................................................................................................ In-line with control terminals
Optional ....................................................................................................................................................Rotated 90 ° CCW from standard
Terminal Strength (Before and After Soldering Heat Exposure) .................................................................................... 0.9 kg (2 lbs.) minimum
NOTE:
1
At
Performance specifications do not apply to units subjected to printed circuit board cleaning procedures.
room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Model 97 & 99
-
5/8 ” Square Single-Turn Panel Control with Rotary Switch
Product Dimensions
Model 97 PC Pin Terminals, “L” Pattern
MOUNTING
SURFACE
L
12.70 ± .229
(.500 ± .009)
0.79 ± .025
(.031 ± .010)
DIA.
13.72 ± 0.38
(.540 ± .015)
1.37 ± 0.08
(.054 ± .003)
2.36 ± 0.08
(.093 ± .003)
15.88
(.625)
7.92
(.312)
SEE
HOW TO ORDER
CHART FOR
BUSHING OPTIONS.
DIA.
0.81
TYP.
(.032)
5.08 ± 0.38
(.200 ± .015)
11.05 ± 0.20
(.435 ± .008)
R1
1.19
(.047)
“A” STYLE
A.R. LUG
R
9.53
(.375)
12.7 ± 1.02
(.500 ± .040)
2.54
(.100)
2.54
(.100)
0.76 ± 0.05
(.030 ± .002)
TYP.
1
3
2
SEE
NEXT PAGE
FOR SHAFT
OPTIONS.
Model 99 Solder Lug Terminals, "Triangular" Pattern
5.08 ± 1.02
(.200 ± .040)
5.59 ± .20
(.220 ± .008)
4.45 ± .38
(.175 ± .015)
2.54
(.100)
2.54
(.100)
2.03
(.080)
3 PLCS.
.41
(.016)
2.29
1.02
(.040) WIDE X (.090) LONG
3 PLCS.
1
.381
TOLERANCES EXCEPT AS SHOWN: DECIMAL .XXX ± (.015 )FRACTION ± 1/64
9.65
.XX ±
ANGLE ±5 °
(.38)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
3
2
Model 97 & 99
-
5/8 ” Square Single-Turn Panel Control with Rotary Switch
Product Dimensions
Model 97
(2nd Cup - Switch)
MOUNTING
SURFACE
L
2.77 ± .38
(.109 ± .015)
15.88
(.625)
REF.
Horizontal Term.
(Switch Types R57, R59, R61, R73)
18.42 ± 0.38
(.725 ± .015)
15.88
(.625)
3
1
3
4
5
6
2
1
16.89 ± .51
(.665 ± .020)
8.74 ± 0.25
(.344 ± .010)
2.54
(.100)
4 5
2.41 X 1.14 SLOT 6 PLCS
(.095 ± .045)
2.29
6 PLCS.
(.090)
2.54 ± 0.25
2 PLCS.
(.100 ± .010)
6 2
15.88 ± 0.38
(.625 ± .015)
2 PLCS.
2.77 ± .38
(.109 ± .015)
8.26 ± 0.25
(.325 ± .010)
Model 99
(2nd Cup - Switch)
MOUNTING
SURFACE
2.77 ± .38
(.109 ± .015)
24.77 ± .51
(.975 ± .020)
15.88
(.625)
REF.
Switch Module Variations
Shaft Flat Orientation
120 ° ± 5 ° STD.
FLAT ORIENTATION
(SHAFT AT CCW END)
1
CCW
2
POTENTIOMETER
3
3
L
1
TOTAL ROTATION 300 °
5.59 ± .38
(.022 ± .015)
16.89 ± .51
(.665 ± .020)
2.41 X 1.14
SLOT 6 PLCS
(.095 ± .045)
CCW DETENT
25 ° MAX.
ACTUATION
ANGLE
(TYPES 51,
53, 55, 57, 59,
61, 71, 73)
CW DETENT
25 ° MAX.
ACTUATION ANGLE
(TYPES 50, 52, 54,
56, 58, 60, 70, 72)
4 5
6
2
NOTE: Switch terminals shown in vertical position.
3
4
2
4
3
1
DPST (NC/NC)
(TYPES 54, 55, 60, 61)
2
3
1
4
2
DPST (NO/NO)
(TYPES 52, 53, 58, 59)
3
1
4
5
6
2
DPDT (NC/NC)
(TYPES 70, 71, 72, 73)
1
2
3
2.29
6 PLCS.
(.090)
1
DPST (NO/NC)
(TYPES 50, 51, 56, 57)
Switch contacts shown in detent position.
4.45 ± .38
(.175 ± .015)
2.77 ± .38
(.109 ± .015)
.381
TOLERANCES EXCEPT AS SHOWN: DECIMAL .XXX ± (.015 )FRACTION ± 1/64
9.65
.XX ±
ANGLE ±5 °
(.38)
DIMENSIONS:
MM
(INCHES)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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